/* vi:set ts=8 sts=4 sw=4 noet: * * VIM - Vi IMproved by Bram Moolenaar * * Do ":help uganda" in Vim to read copying and usage conditions. * Do ":help credits" in Vim to see a list of people who contributed. * See README.txt for an overview of the Vim source code. */ /* * misc1.c: functions that didn't seem to fit elsewhere */ #include "version.h" #include "vim.h" #if defined(FEAT_CMDL_COMPL) && defined(MSWIN) #include #endif static char_u *vim_version_dir(char_u *vimdir); static char_u *remove_tail(char_u *p, char_u *pend, char_u *name); #define URL_SLASH 1 /* path_is_url() has found "://" */ #define URL_BACKSLASH 2 /* path_is_url() has found ":\\" */ /* All user names (for ~user completion as done by shell). */ #if defined(FEAT_CMDL_COMPL) || defined(PROTO) static garray_T ga_users; #endif /* * Count the size (in window cells) of the indent in the current line. */ int get_indent(void) { #ifdef FEAT_VARTABS return get_indent_str_vtab(ml_get_curline(), (int)curbuf->b_p_ts, curbuf->b_p_vts_array, FALSE); #else return get_indent_str(ml_get_curline(), (int)curbuf->b_p_ts, FALSE); #endif } /* * Count the size (in window cells) of the indent in line "lnum". */ int get_indent_lnum(linenr_T lnum) { #ifdef FEAT_VARTABS return get_indent_str_vtab(ml_get(lnum), (int)curbuf->b_p_ts, curbuf->b_p_vts_array, FALSE); #else return get_indent_str(ml_get(lnum), (int)curbuf->b_p_ts, FALSE); #endif } #if defined(FEAT_FOLDING) || defined(PROTO) /* * Count the size (in window cells) of the indent in line "lnum" of buffer * "buf". */ int get_indent_buf(buf_T *buf, linenr_T lnum) { #ifdef FEAT_VARTABS return get_indent_str_vtab(ml_get_buf(buf, lnum, FALSE), (int)curbuf->b_p_ts, buf->b_p_vts_array, FALSE); #else return get_indent_str(ml_get_buf(buf, lnum, FALSE), (int)buf->b_p_ts, FALSE); #endif } #endif /* * count the size (in window cells) of the indent in line "ptr", with * 'tabstop' at "ts" */ int get_indent_str( char_u *ptr, int ts, int list) /* if TRUE, count only screen size for tabs */ { int count = 0; for (; *ptr; ++ptr) { if (*ptr == TAB) { if (!list || lcs_tab1) /* count a tab for what it is worth */ count += ts - (count % ts); else /* In list mode, when tab is not set, count screen char width * for Tab, displays: ^I */ count += ptr2cells(ptr); } else if (*ptr == ' ') ++count; /* count a space for one */ else break; } return count; } #ifdef FEAT_VARTABS /* * Count the size (in window cells) of the indent in line "ptr", using * variable tabstops. * if "list" is TRUE, count only screen size for tabs. */ int get_indent_str_vtab(char_u *ptr, int ts, int *vts, int list) { int count = 0; for (; *ptr; ++ptr) { if (*ptr == TAB) /* count a tab for what it is worth */ { if (!list || lcs_tab1) count += tabstop_padding(count, ts, vts); else /* In list mode, when tab is not set, count screen char width * for Tab, displays: ^I */ count += ptr2cells(ptr); } else if (*ptr == ' ') ++count; /* count a space for one */ else break; } return count; } #endif /* * Set the indent of the current line. * Leaves the cursor on the first non-blank in the line. * Caller must take care of undo. * "flags": * SIN_CHANGED: call changed_bytes() if the line was changed. * SIN_INSERT: insert the indent in front of the line. * SIN_UNDO: save line for undo before changing it. * Returns TRUE if the line was changed. */ int set_indent( int size, /* measured in spaces */ int flags) { char_u *p; char_u *newline; char_u *oldline; char_u *s; int todo; int ind_len; /* measured in characters */ int line_len; int doit = FALSE; int ind_done = 0; /* measured in spaces */ #ifdef FEAT_VARTABS int ind_col = 0; #endif int tab_pad; int retval = FALSE; int orig_char_len = -1; /* number of initial whitespace chars when 'et' and 'pi' are both set */ /* * First check if there is anything to do and compute the number of * characters needed for the indent. */ todo = size; ind_len = 0; p = oldline = ml_get_curline(); /* Calculate the buffer size for the new indent, and check to see if it * isn't already set */ /* if 'expandtab' isn't set: use TABs; if both 'expandtab' and * 'preserveindent' are set count the number of characters at the * beginning of the line to be copied */ if (!curbuf->b_p_et || (!(flags & SIN_INSERT) && curbuf->b_p_pi)) { /* If 'preserveindent' is set then reuse as much as possible of * the existing indent structure for the new indent */ if (!(flags & SIN_INSERT) && curbuf->b_p_pi) { ind_done = 0; /* count as many characters as we can use */ while (todo > 0 && VIM_ISWHITE(*p)) { if (*p == TAB) { #ifdef FEAT_VARTABS tab_pad = tabstop_padding(ind_done, curbuf->b_p_ts, curbuf->b_p_vts_array); #else tab_pad = (int)curbuf->b_p_ts - (ind_done % (int)curbuf->b_p_ts); #endif /* stop if this tab will overshoot the target */ if (todo < tab_pad) break; todo -= tab_pad; ++ind_len; ind_done += tab_pad; } else { --todo; ++ind_len; ++ind_done; } ++p; } #ifdef FEAT_VARTABS /* These diverge from this point. */ ind_col = ind_done; #endif /* Set initial number of whitespace chars to copy if we are * preserving indent but expandtab is set */ if (curbuf->b_p_et) orig_char_len = ind_len; /* Fill to next tabstop with a tab, if possible */ #ifdef FEAT_VARTABS tab_pad = tabstop_padding(ind_done, curbuf->b_p_ts, curbuf->b_p_vts_array); #else tab_pad = (int)curbuf->b_p_ts - (ind_done % (int)curbuf->b_p_ts); #endif if (todo >= tab_pad && orig_char_len == -1) { doit = TRUE; todo -= tab_pad; ++ind_len; /* ind_done += tab_pad; */ #ifdef FEAT_VARTABS ind_col += tab_pad; #endif } } /* count tabs required for indent */ #ifdef FEAT_VARTABS for (;;) { tab_pad = tabstop_padding(ind_col, curbuf->b_p_ts, curbuf->b_p_vts_array); if (todo < tab_pad) break; if (*p != TAB) doit = TRUE; else ++p; todo -= tab_pad; ++ind_len; ind_col += tab_pad; } #else while (todo >= (int)curbuf->b_p_ts) { if (*p != TAB) doit = TRUE; else ++p; todo -= (int)curbuf->b_p_ts; ++ind_len; /* ind_done += (int)curbuf->b_p_ts; */ } #endif } /* count spaces required for indent */ while (todo > 0) { if (*p != ' ') doit = TRUE; else ++p; --todo; ++ind_len; /* ++ind_done; */ } /* Return if the indent is OK already. */ if (!doit && !VIM_ISWHITE(*p) && !(flags & SIN_INSERT)) return FALSE; /* Allocate memory for the new line. */ if (flags & SIN_INSERT) p = oldline; else p = skipwhite(p); line_len = (int)STRLEN(p) + 1; /* If 'preserveindent' and 'expandtab' are both set keep the original * characters and allocate accordingly. We will fill the rest with spaces * after the if (!curbuf->b_p_et) below. */ if (orig_char_len != -1) { newline = alloc(orig_char_len + size - ind_done + line_len); if (newline == NULL) return FALSE; todo = size - ind_done; ind_len = orig_char_len + todo; /* Set total length of indent in * characters, which may have been * undercounted until now */ p = oldline; s = newline; while (orig_char_len > 0) { *s++ = *p++; orig_char_len--; } /* Skip over any additional white space (useful when newindent is less * than old) */ while (VIM_ISWHITE(*p)) ++p; } else { todo = size; newline = alloc(ind_len + line_len); if (newline == NULL) return FALSE; s = newline; } /* Put the characters in the new line. */ /* if 'expandtab' isn't set: use TABs */ if (!curbuf->b_p_et) { /* If 'preserveindent' is set then reuse as much as possible of * the existing indent structure for the new indent */ if (!(flags & SIN_INSERT) && curbuf->b_p_pi) { p = oldline; ind_done = 0; while (todo > 0 && VIM_ISWHITE(*p)) { if (*p == TAB) { #ifdef FEAT_VARTABS tab_pad = tabstop_padding(ind_done, curbuf->b_p_ts, curbuf->b_p_vts_array); #else tab_pad = (int)curbuf->b_p_ts - (ind_done % (int)curbuf->b_p_ts); #endif /* stop if this tab will overshoot the target */ if (todo < tab_pad) break; todo -= tab_pad; ind_done += tab_pad; } else { --todo; ++ind_done; } *s++ = *p++; } /* Fill to next tabstop with a tab, if possible */ #ifdef FEAT_VARTABS tab_pad = tabstop_padding(ind_done, curbuf->b_p_ts, curbuf->b_p_vts_array); #else tab_pad = (int)curbuf->b_p_ts - (ind_done % (int)curbuf->b_p_ts); #endif if (todo >= tab_pad) { *s++ = TAB; todo -= tab_pad; #ifdef FEAT_VARTABS ind_done += tab_pad; #endif } p = skipwhite(p); } #ifdef FEAT_VARTABS for (;;) { tab_pad = tabstop_padding(ind_done, curbuf->b_p_ts, curbuf->b_p_vts_array); if (todo < tab_pad) break; *s++ = TAB; todo -= tab_pad; ind_done += tab_pad; } #else while (todo >= (int)curbuf->b_p_ts) { *s++ = TAB; todo -= (int)curbuf->b_p_ts; } #endif } while (todo > 0) { *s++ = ' '; --todo; } mch_memmove(s, p, (size_t)line_len); // Replace the line (unless undo fails). if (!(flags & SIN_UNDO) || u_savesub(curwin->w_cursor.lnum) == OK) { ml_replace(curwin->w_cursor.lnum, newline, FALSE); if (flags & SIN_CHANGED) changed_bytes(curwin->w_cursor.lnum, 0); // Correct saved cursor position if it is in this line. if (saved_cursor.lnum == curwin->w_cursor.lnum) { if (saved_cursor.col >= (colnr_T)(p - oldline)) // cursor was after the indent, adjust for the number of // bytes added/removed saved_cursor.col += ind_len - (colnr_T)(p - oldline); else if (saved_cursor.col >= (colnr_T)(s - newline)) // cursor was in the indent, and is now after it, put it back // at the start of the indent (replacing spaces with TAB) saved_cursor.col = (colnr_T)(s - newline); } retval = TRUE; } else vim_free(newline); curwin->w_cursor.col = ind_len; return retval; } /* * Return the indent of the current line after a number. Return -1 if no * number was found. Used for 'n' in 'formatoptions': numbered list. * Since a pattern is used it can actually handle more than numbers. */ int get_number_indent(linenr_T lnum) { colnr_T col; pos_T pos; regmatch_T regmatch; int lead_len = 0; /* length of comment leader */ if (lnum > curbuf->b_ml.ml_line_count) return -1; pos.lnum = 0; #ifdef FEAT_COMMENTS /* In format_lines() (i.e. not insert mode), fo+=q is needed too... */ if ((State & INSERT) || has_format_option(FO_Q_COMS)) lead_len = get_leader_len(ml_get(lnum), NULL, FALSE, TRUE); #endif regmatch.regprog = vim_regcomp(curbuf->b_p_flp, RE_MAGIC); if (regmatch.regprog != NULL) { regmatch.rm_ic = FALSE; /* vim_regexec() expects a pointer to a line. This lets us * start matching for the flp beyond any comment leader... */ if (vim_regexec(®match, ml_get(lnum) + lead_len, (colnr_T)0)) { pos.lnum = lnum; pos.col = (colnr_T)(*regmatch.endp - ml_get(lnum)); pos.coladd = 0; } vim_regfree(regmatch.regprog); } if (pos.lnum == 0 || *ml_get_pos(&pos) == NUL) return -1; getvcol(curwin, &pos, &col, NULL, NULL); return (int)col; } #if defined(FEAT_LINEBREAK) || defined(PROTO) /* * Return appropriate space number for breakindent, taking influencing * parameters into account. Window must be specified, since it is not * necessarily always the current one. */ int get_breakindent_win( win_T *wp, char_u *line) /* start of the line */ { static int prev_indent = 0; /* cached indent value */ static long prev_ts = 0L; /* cached tabstop value */ static char_u *prev_line = NULL; /* cached pointer to line */ static varnumber_T prev_tick = 0; /* changedtick of cached value */ #ifdef FEAT_VARTABS static int *prev_vts = NULL; /* cached vartabs values */ #endif int bri = 0; /* window width minus window margin space, i.e. what rests for text */ const int eff_wwidth = wp->w_width - ((wp->w_p_nu || wp->w_p_rnu) && (vim_strchr(p_cpo, CPO_NUMCOL) == NULL) ? number_width(wp) + 1 : 0); /* used cached indent, unless pointer or 'tabstop' changed */ if (prev_line != line || prev_ts != wp->w_buffer->b_p_ts || prev_tick != CHANGEDTICK(wp->w_buffer) #ifdef FEAT_VARTABS || prev_vts != wp->w_buffer->b_p_vts_array #endif ) { prev_line = line; prev_ts = wp->w_buffer->b_p_ts; prev_tick = CHANGEDTICK(wp->w_buffer); #ifdef FEAT_VARTABS prev_vts = wp->w_buffer->b_p_vts_array; prev_indent = get_indent_str_vtab(line, (int)wp->w_buffer->b_p_ts, wp->w_buffer->b_p_vts_array, wp->w_p_list); #else prev_indent = get_indent_str(line, (int)wp->w_buffer->b_p_ts, wp->w_p_list); #endif } bri = prev_indent + wp->w_p_brishift; /* indent minus the length of the showbreak string */ if (wp->w_p_brisbr) bri -= vim_strsize(p_sbr); /* Add offset for number column, if 'n' is in 'cpoptions' */ bri += win_col_off2(wp); /* never indent past left window margin */ if (bri < 0) bri = 0; /* always leave at least bri_min characters on the left, * if text width is sufficient */ else if (bri > eff_wwidth - wp->w_p_brimin) bri = (eff_wwidth - wp->w_p_brimin < 0) ? 0 : eff_wwidth - wp->w_p_brimin; return bri; } #endif #if defined(FEAT_COMMENTS) || defined(PROTO) /* * get_leader_len() returns the length in bytes of the prefix of the given * string which introduces a comment. If this string is not a comment then * 0 is returned. * When "flags" is not NULL, it is set to point to the flags of the recognized * comment leader. * "backward" must be true for the "O" command. * If "include_space" is set, include trailing whitespace while calculating the * length. */ int get_leader_len( char_u *line, char_u **flags, int backward, int include_space) { int i, j; int result; int got_com = FALSE; int found_one; char_u part_buf[COM_MAX_LEN]; /* buffer for one option part */ char_u *string; /* pointer to comment string */ char_u *list; int middle_match_len = 0; char_u *prev_list; char_u *saved_flags = NULL; result = i = 0; while (VIM_ISWHITE(line[i])) /* leading white space is ignored */ ++i; /* * Repeat to match several nested comment strings. */ while (line[i] != NUL) { /* * scan through the 'comments' option for a match */ found_one = FALSE; for (list = curbuf->b_p_com; *list;) { /* Get one option part into part_buf[]. Advance "list" to next * one. Put "string" at start of string. */ if (!got_com && flags != NULL) *flags = list; /* remember where flags started */ prev_list = list; (void)copy_option_part(&list, part_buf, COM_MAX_LEN, ","); string = vim_strchr(part_buf, ':'); if (string == NULL) /* missing ':', ignore this part */ continue; *string++ = NUL; /* isolate flags from string */ /* If we found a middle match previously, use that match when this * is not a middle or end. */ if (middle_match_len != 0 && vim_strchr(part_buf, COM_MIDDLE) == NULL && vim_strchr(part_buf, COM_END) == NULL) break; /* When we already found a nested comment, only accept further * nested comments. */ if (got_com && vim_strchr(part_buf, COM_NEST) == NULL) continue; /* When 'O' flag present and using "O" command skip this one. */ if (backward && vim_strchr(part_buf, COM_NOBACK) != NULL) continue; /* Line contents and string must match. * When string starts with white space, must have some white space * (but the amount does not need to match, there might be a mix of * TABs and spaces). */ if (VIM_ISWHITE(string[0])) { if (i == 0 || !VIM_ISWHITE(line[i - 1])) continue; /* missing white space */ while (VIM_ISWHITE(string[0])) ++string; } for (j = 0; string[j] != NUL && string[j] == line[i + j]; ++j) ; if (string[j] != NUL) continue; /* string doesn't match */ /* When 'b' flag used, there must be white space or an * end-of-line after the string in the line. */ if (vim_strchr(part_buf, COM_BLANK) != NULL && !VIM_ISWHITE(line[i + j]) && line[i + j] != NUL) continue; /* We have found a match, stop searching unless this is a middle * comment. The middle comment can be a substring of the end * comment in which case it's better to return the length of the * end comment and its flags. Thus we keep searching with middle * and end matches and use an end match if it matches better. */ if (vim_strchr(part_buf, COM_MIDDLE) != NULL) { if (middle_match_len == 0) { middle_match_len = j; saved_flags = prev_list; } continue; } if (middle_match_len != 0 && j > middle_match_len) /* Use this match instead of the middle match, since it's a * longer thus better match. */ middle_match_len = 0; if (middle_match_len == 0) i += j; found_one = TRUE; break; } if (middle_match_len != 0) { /* Use the previously found middle match after failing to find a * match with an end. */ if (!got_com && flags != NULL) *flags = saved_flags; i += middle_match_len; found_one = TRUE; } /* No match found, stop scanning. */ if (!found_one) break; result = i; /* Include any trailing white space. */ while (VIM_ISWHITE(line[i])) ++i; if (include_space) result = i; /* If this comment doesn't nest, stop here. */ got_com = TRUE; if (vim_strchr(part_buf, COM_NEST) == NULL) break; } return result; } /* * Return the offset at which the last comment in line starts. If there is no * comment in the whole line, -1 is returned. * * When "flags" is not null, it is set to point to the flags describing the * recognized comment leader. */ int get_last_leader_offset(char_u *line, char_u **flags) { int result = -1; int i, j; int lower_check_bound = 0; char_u *string; char_u *com_leader; char_u *com_flags; char_u *list; int found_one; char_u part_buf[COM_MAX_LEN]; /* buffer for one option part */ /* * Repeat to match several nested comment strings. */ i = (int)STRLEN(line); while (--i >= lower_check_bound) { /* * scan through the 'comments' option for a match */ found_one = FALSE; for (list = curbuf->b_p_com; *list;) { char_u *flags_save = list; /* * Get one option part into part_buf[]. Advance list to next one. * put string at start of string. */ (void)copy_option_part(&list, part_buf, COM_MAX_LEN, ","); string = vim_strchr(part_buf, ':'); if (string == NULL) /* If everything is fine, this cannot actually * happen. */ continue; *string++ = NUL; /* Isolate flags from string. */ com_leader = string; /* * Line contents and string must match. * When string starts with white space, must have some white space * (but the amount does not need to match, there might be a mix of * TABs and spaces). */ if (VIM_ISWHITE(string[0])) { if (i == 0 || !VIM_ISWHITE(line[i - 1])) continue; while (VIM_ISWHITE(*string)) ++string; } for (j = 0; string[j] != NUL && string[j] == line[i + j]; ++j) /* do nothing */; if (string[j] != NUL) continue; /* * When 'b' flag used, there must be white space or an * end-of-line after the string in the line. */ if (vim_strchr(part_buf, COM_BLANK) != NULL && !VIM_ISWHITE(line[i + j]) && line[i + j] != NUL) continue; if (vim_strchr(part_buf, COM_MIDDLE) != NULL) { // For a middlepart comment, only consider it to match if // everything before the current position in the line is // whitespace. Otherwise we would think we are inside a // comment if the middle part appears somewhere in the middle // of the line. E.g. for C the "*" appears often. for (j = 0; VIM_ISWHITE(line[j]) && j <= i; j++) ; if (j < i) continue; } /* * We have found a match, stop searching. */ found_one = TRUE; if (flags) *flags = flags_save; com_flags = flags_save; break; } if (found_one) { char_u part_buf2[COM_MAX_LEN]; /* buffer for one option part */ int len1, len2, off; result = i; /* * If this comment nests, continue searching. */ if (vim_strchr(part_buf, COM_NEST) != NULL) continue; lower_check_bound = i; /* Let's verify whether the comment leader found is a substring * of other comment leaders. If it is, let's adjust the * lower_check_bound so that we make sure that we have determined * the comment leader correctly. */ while (VIM_ISWHITE(*com_leader)) ++com_leader; len1 = (int)STRLEN(com_leader); for (list = curbuf->b_p_com; *list;) { char_u *flags_save = list; (void)copy_option_part(&list, part_buf2, COM_MAX_LEN, ","); if (flags_save == com_flags) continue; string = vim_strchr(part_buf2, ':'); ++string; while (VIM_ISWHITE(*string)) ++string; len2 = (int)STRLEN(string); if (len2 == 0) continue; /* Now we have to verify whether string ends with a substring * beginning the com_leader. */ for (off = (len2 > i ? i : len2); off > 0 && off + len1 > len2;) { --off; if (!STRNCMP(string + off, com_leader, len2 - off)) { if (i - off < lower_check_bound) lower_check_bound = i - off; } } } } } return result; } #endif /* * Return the number of window lines occupied by buffer line "lnum". */ int plines(linenr_T lnum) { return plines_win(curwin, lnum, TRUE); } int plines_win( win_T *wp, linenr_T lnum, int winheight) /* when TRUE limit to window height */ { #if defined(FEAT_DIFF) || defined(PROTO) /* Check for filler lines above this buffer line. When folded the result * is one line anyway. */ return plines_win_nofill(wp, lnum, winheight) + diff_check_fill(wp, lnum); } int plines_nofill(linenr_T lnum) { return plines_win_nofill(curwin, lnum, TRUE); } int plines_win_nofill( win_T *wp, linenr_T lnum, int winheight) /* when TRUE limit to window height */ { #endif int lines; if (!wp->w_p_wrap) return 1; if (wp->w_width == 0) return 1; #ifdef FEAT_FOLDING /* A folded lines is handled just like an empty line. */ /* NOTE: Caller must handle lines that are MAYBE folded. */ if (lineFolded(wp, lnum) == TRUE) return 1; #endif lines = plines_win_nofold(wp, lnum); if (winheight > 0 && lines > wp->w_height) return (int)wp->w_height; return lines; } /* * Return number of window lines physical line "lnum" will occupy in window * "wp". Does not care about folding, 'wrap' or 'diff'. */ int plines_win_nofold(win_T *wp, linenr_T lnum) { char_u *s; long col; int width; s = ml_get_buf(wp->w_buffer, lnum, FALSE); if (*s == NUL) /* empty line */ return 1; col = win_linetabsize(wp, s, (colnr_T)MAXCOL); /* * If list mode is on, then the '$' at the end of the line may take up one * extra column. */ if (wp->w_p_list && lcs_eol != NUL) col += 1; /* * Add column offset for 'number', 'relativenumber' and 'foldcolumn'. */ width = wp->w_width - win_col_off(wp); if (width <= 0) return 32000; if (col <= width) return 1; col -= width; width += win_col_off2(wp); return (col + (width - 1)) / width + 1; } /* * Like plines_win(), but only reports the number of physical screen lines * used from the start of the line to the given column number. */ int plines_win_col(win_T *wp, linenr_T lnum, long column) { long col; char_u *s; int lines = 0; int width; char_u *line; #ifdef FEAT_DIFF /* Check for filler lines above this buffer line. When folded the result * is one line anyway. */ lines = diff_check_fill(wp, lnum); #endif if (!wp->w_p_wrap) return lines + 1; if (wp->w_width == 0) return lines + 1; line = s = ml_get_buf(wp->w_buffer, lnum, FALSE); col = 0; while (*s != NUL && --column >= 0) { col += win_lbr_chartabsize(wp, line, s, (colnr_T)col, NULL); MB_PTR_ADV(s); } /* * If *s is a TAB, and the TAB is not displayed as ^I, and we're not in * INSERT mode, then col must be adjusted so that it represents the last * screen position of the TAB. This only fixes an error when the TAB wraps * from one screen line to the next (when 'columns' is not a multiple of * 'ts') -- webb. */ if (*s == TAB && (State & NORMAL) && (!wp->w_p_list || lcs_tab1)) col += win_lbr_chartabsize(wp, line, s, (colnr_T)col, NULL) - 1; /* * Add column offset for 'number', 'relativenumber', 'foldcolumn', etc. */ width = wp->w_width - win_col_off(wp); if (width <= 0) return 9999; lines += 1; if (col > width) lines += (col - width) / (width + win_col_off2(wp)) + 1; return lines; } int plines_m_win(win_T *wp, linenr_T first, linenr_T last) { int count = 0; while (first <= last) { #ifdef FEAT_FOLDING int x; /* Check if there are any really folded lines, but also included lines * that are maybe folded. */ x = foldedCount(wp, first, NULL); if (x > 0) { ++count; /* count 1 for "+-- folded" line */ first += x; } else #endif { #ifdef FEAT_DIFF if (first == wp->w_topline) count += plines_win_nofill(wp, first, TRUE) + wp->w_topfill; else #endif count += plines_win(wp, first, TRUE); ++first; } } return (count); } int gchar_pos(pos_T *pos) { char_u *ptr; /* When searching columns is sometimes put at the end of a line. */ if (pos->col == MAXCOL) return NUL; ptr = ml_get_pos(pos); if (has_mbyte) return (*mb_ptr2char)(ptr); return (int)*ptr; } int gchar_cursor(void) { if (has_mbyte) return (*mb_ptr2char)(ml_get_cursor()); return (int)*ml_get_cursor(); } /* * Write a character at the current cursor position. * It is directly written into the block. */ void pchar_cursor(int c) { *(ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE) + curwin->w_cursor.col) = c; } /* * When extra == 0: Return TRUE if the cursor is before or on the first * non-blank in the line. * When extra == 1: Return TRUE if the cursor is before the first non-blank in * the line. */ int inindent(int extra) { char_u *ptr; colnr_T col; for (col = 0, ptr = ml_get_curline(); VIM_ISWHITE(*ptr); ++col) ++ptr; if (col >= curwin->w_cursor.col + extra) return TRUE; else return FALSE; } /* * Skip to next part of an option argument: Skip space and comma. */ char_u * skip_to_option_part(char_u *p) { if (*p == ',') ++p; while (*p == ' ') ++p; return p; } /* * check_status: called when the status bars for the buffer 'buf' * need to be updated */ void check_status(buf_T *buf) { win_T *wp; FOR_ALL_WINDOWS(wp) if (wp->w_buffer == buf && wp->w_status_height) { wp->w_redr_status = TRUE; if (must_redraw < VALID) must_redraw = VALID; } } /* * Ask for a reply from the user, a 'y' or a 'n'. * No other characters are accepted, the message is repeated until a valid * reply is entered or CTRL-C is hit. * If direct is TRUE, don't use vgetc() but ui_inchar(), don't get characters * from any buffers but directly from the user. * * return the 'y' or 'n' */ int ask_yesno(char_u *str, int direct) { int r = ' '; int save_State = State; if (exiting) /* put terminal in raw mode for this question */ settmode(TMODE_RAW); ++no_wait_return; State = CONFIRM; /* mouse behaves like with :confirm */ ++no_mapping; ++allow_keys; /* no mapping here, but recognize keys */ while (r != 'y' && r != 'n') { /* same highlighting as for wait_return */ smsg_attr(HL_ATTR(HLF_R), "%s (y/n)?", str); if (direct) r = get_keystroke(); else r = plain_vgetc(); if (r == Ctrl_C || r == ESC) r = 'n'; msg_putchar(r); /* show what you typed */ } --no_wait_return; State = save_State; --no_mapping; --allow_keys; return r; } /* * Get a key stroke directly from the user. * Ignores mouse clicks and scrollbar events, except a click for the left * button (used at the more prompt). * Doesn't use vgetc(), because it syncs undo and eats mapped characters. * Disadvantage: typeahead is ignored. * Translates the interrupt character for unix to ESC. */ int get_keystroke(void) { char_u *buf = NULL; int buflen = 150; int maxlen; int len = 0; int n; int save_mapped_ctrl_c = mapped_ctrl_c; int waited = 0; mapped_ctrl_c = FALSE; /* mappings are not used here */ for (;;) { cursor_on(); /* Leave some room for check_termcode() to insert a key code into (max * 5 chars plus NUL). And fix_input_buffer() can triple the number of * bytes. */ maxlen = (buflen - 6 - len) / 3; if (buf == NULL) buf = alloc(buflen); else if (maxlen < 10) { char_u *t_buf = buf; /* Need some more space. This might happen when receiving a long * escape sequence. */ buflen += 100; buf = vim_realloc(buf, buflen); if (buf == NULL) vim_free(t_buf); maxlen = (buflen - 6 - len) / 3; } if (buf == NULL) { do_outofmem_msg((long_u)buflen); return ESC; /* panic! */ } /* First time: blocking wait. Second time: wait up to 100ms for a * terminal code to complete. */ n = ui_inchar(buf + len, maxlen, len == 0 ? -1L : 100L, 0); if (n > 0) { /* Replace zero and CSI by a special key code. */ n = fix_input_buffer(buf + len, n); len += n; waited = 0; } else if (len > 0) ++waited; /* keep track of the waiting time */ /* Incomplete termcode and not timed out yet: get more characters */ if ((n = check_termcode(1, buf, buflen, &len)) < 0 && (!p_ttimeout || waited * 100L < (p_ttm < 0 ? p_tm : p_ttm))) continue; if (n == KEYLEN_REMOVED) /* key code removed */ { if (must_redraw != 0 && !need_wait_return && (State & CMDLINE) == 0) { /* Redrawing was postponed, do it now. */ update_screen(0); setcursor(); /* put cursor back where it belongs */ } continue; } if (n > 0) /* found a termcode: adjust length */ len = n; if (len == 0) /* nothing typed yet */ continue; /* Handle modifier and/or special key code. */ n = buf[0]; if (n == K_SPECIAL) { n = TO_SPECIAL(buf[1], buf[2]); if (buf[1] == KS_MODIFIER || n == K_IGNORE) { if (buf[1] == KS_MODIFIER) mod_mask = buf[2]; len -= 3; if (len > 0) mch_memmove(buf, buf + 3, (size_t)len); continue; } break; } if (has_mbyte) { if (MB_BYTE2LEN(n) > len) continue; /* more bytes to get */ buf[len >= buflen ? buflen - 1 : len] = NUL; n = (*mb_ptr2char)(buf); } #ifdef UNIX if (n == intr_char) n = ESC; #endif break; } vim_free(buf); mapped_ctrl_c = save_mapped_ctrl_c; return n; } /* * Get a number from the user. * When "mouse_used" is not NULL allow using the mouse. */ int get_number( int colon, /* allow colon to abort */ int *mouse_used) { int n = 0; int c; int typed = 0; if (mouse_used != NULL) *mouse_used = FALSE; /* When not printing messages, the user won't know what to type, return a * zero (as if CR was hit). */ if (msg_silent != 0) return 0; ++no_mapping; ++allow_keys; /* no mapping here, but recognize keys */ for (;;) { windgoto(msg_row, msg_col); c = safe_vgetc(); if (VIM_ISDIGIT(c)) { n = n * 10 + c - '0'; msg_putchar(c); ++typed; } else if (c == K_DEL || c == K_KDEL || c == K_BS || c == Ctrl_H) { if (typed > 0) { msg_puts("\b \b"); --typed; } n /= 10; } else if (n == 0 && c == ':' && colon) { stuffcharReadbuff(':'); if (!exmode_active) cmdline_row = msg_row; skip_redraw = TRUE; /* skip redraw once */ do_redraw = FALSE; break; } else if (c == CAR || c == NL || c == Ctrl_C || c == ESC) break; } --no_mapping; --allow_keys; return n; } /* * Ask the user to enter a number. * When "mouse_used" is not NULL allow using the mouse and in that case return * the line number. */ int prompt_for_number(int *mouse_used) { int i; int save_cmdline_row; int save_State; /* When using ":silent" assume that was entered. */ if (mouse_used != NULL) msg_puts(_("Type number and or click with mouse (empty cancels): ")); else msg_puts(_("Type number and (empty cancels): ")); // Set the state such that text can be selected/copied/pasted and we still // get mouse events. redraw_after_callback() will not redraw if cmdline_row // is zero. save_cmdline_row = cmdline_row; cmdline_row = 0; save_State = State; State = CMDLINE; i = get_number(TRUE, mouse_used); if (KeyTyped) { /* don't call wait_return() now */ /* msg_putchar('\n'); */ cmdline_row = msg_row - 1; need_wait_return = FALSE; msg_didany = FALSE; msg_didout = FALSE; } else cmdline_row = save_cmdline_row; State = save_State; return i; } void msgmore(long n) { long pn; if (global_busy /* no messages now, wait until global is finished */ || !messaging()) /* 'lazyredraw' set, don't do messages now */ return; /* We don't want to overwrite another important message, but do overwrite * a previous "more lines" or "fewer lines" message, so that "5dd" and * then "put" reports the last action. */ if (keep_msg != NULL && !keep_msg_more) return; if (n > 0) pn = n; else pn = -n; if (pn > p_report) { if (n > 0) vim_snprintf(msg_buf, MSG_BUF_LEN, NGETTEXT("%ld more line", "%ld more lines", pn), pn); else vim_snprintf(msg_buf, MSG_BUF_LEN, NGETTEXT("%ld line less", "%ld fewer lines", pn), pn); if (got_int) vim_strcat((char_u *)msg_buf, (char_u *)_(" (Interrupted)"), MSG_BUF_LEN); if (msg(msg_buf)) { set_keep_msg((char_u *)msg_buf, 0); keep_msg_more = TRUE; } } } /* * flush map and typeahead buffers and give a warning for an error */ void beep_flush(void) { if (emsg_silent == 0) { flush_buffers(FLUSH_MINIMAL); vim_beep(BO_ERROR); } } /* * Give a warning for an error. */ void vim_beep( unsigned val) /* one of the BO_ values, e.g., BO_OPER */ { #ifdef FEAT_EVAL called_vim_beep = TRUE; #endif if (emsg_silent == 0) { if (!((bo_flags & val) || (bo_flags & BO_ALL))) { #ifdef ELAPSED_FUNC static int did_init = FALSE; static elapsed_T start_tv; /* Only beep once per half a second, otherwise a sequence of beeps * would freeze Vim. */ if (!did_init || ELAPSED_FUNC(start_tv) > 500) { did_init = TRUE; ELAPSED_INIT(start_tv); #endif if (p_vb) { out_str_cf(T_VB); } #ifdef ELAPSED_FUNC } #endif } /* When 'debug' contains "beep" produce a message. If we are sourcing * a script or executing a function give the user a hint where the beep * comes from. */ if (vim_strchr(p_debug, 'e') != NULL) { msg_source(HL_ATTR(HLF_W)); msg_attr(_("Beep!"), HL_ATTR(HLF_W)); } } } /* * To get the "real" home directory: * - get value of $HOME * For Unix: * - go to that directory * - do mch_dirname() to get the real name of that directory. * This also works with mounts and links. * Don't do this for MS-DOS, it will change the "current dir" for a drive. * For Windows: */ static char_u *homedir = NULL; void init_homedir(void) { char_u *var; /* In case we are called a second time (when 'encoding' changes). */ VIM_CLEAR(homedir); #ifdef VMS var = mch_getenv((char_u *)"SYS$LOGIN"); #else var = mch_getenv((char_u *)"HOME"); #endif #ifdef MSWIN /* * Typically, $HOME is not defined on Windows, unless the user has * specifically defined it for Vim's sake. However, on Windows NT * platforms, $HOMEDRIVE and $HOMEPATH are automatically defined for * each user. Try constructing $HOME from these. */ if (var == NULL || *var == NUL) { char_u *homedrive, *homepath; homedrive = mch_getenv((char_u *)"HOMEDRIVE"); homepath = mch_getenv((char_u *)"HOMEPATH"); if (homepath == NULL || *homepath == NUL) homepath = (char_u *)"\\"; if (homedrive != NULL && STRLEN(homedrive) + STRLEN(homepath) < MAXPATHL) { sprintf((char *)NameBuff, "%s%s", homedrive, homepath); if (NameBuff[0] != NUL) var = NameBuff; } } if (var == NULL) var = mch_getenv((char_u *)"USERPROFILE"); /* * Weird but true: $HOME may contain an indirect reference to another * variable, esp. "%USERPROFILE%". Happens when $USERPROFILE isn't set * when $HOME is being set. */ if (var != NULL && *var == '%') { char_u *p; char_u *exp; p = vim_strchr(var + 1, '%'); if (p != NULL) { vim_strncpy(NameBuff, var + 1, p - (var + 1)); exp = mch_getenv(NameBuff); if (exp != NULL && *exp != NUL && STRLEN(exp) + STRLEN(p) < MAXPATHL) { vim_snprintf((char *)NameBuff, MAXPATHL, "%s%s", exp, p + 1); var = NameBuff; } } } if (var != NULL && *var == NUL) /* empty is same as not set */ var = NULL; if (enc_utf8 && var != NULL) { int len; char_u *pp = NULL; /* Convert from active codepage to UTF-8. Other conversions are * not done, because they would fail for non-ASCII characters. */ acp_to_enc(var, (int)STRLEN(var), &pp, &len); if (pp != NULL) { homedir = pp; return; } } /* * Default home dir is C:/ * Best assumption we can make in such a situation. */ if (var == NULL) var = (char_u *)"C:/"; #endif if (var != NULL) { #ifdef UNIX /* * Change to the directory and get the actual path. This resolves * links. Don't do it when we can't return. */ if (mch_dirname(NameBuff, MAXPATHL) == OK && mch_chdir((char *)NameBuff) == 0) { if (!mch_chdir((char *)var) && mch_dirname(IObuff, IOSIZE) == OK) var = IObuff; if (mch_chdir((char *)NameBuff) != 0) emsg(_(e_prev_dir)); } #endif homedir = vim_strsave(var); } } #if defined(EXITFREE) || defined(PROTO) void free_homedir(void) { vim_free(homedir); } #ifdef FEAT_CMDL_COMPL void free_users(void) { ga_clear_strings(&ga_users); } #endif #endif /* * Call expand_env() and store the result in an allocated string. * This is not very memory efficient, this expects the result to be freed * again soon. */ char_u * expand_env_save(char_u *src) { return expand_env_save_opt(src, FALSE); } /* * Idem, but when "one" is TRUE handle the string as one file name, only * expand "~" at the start. */ char_u * expand_env_save_opt(char_u *src, int one) { char_u *p; p = alloc(MAXPATHL); if (p != NULL) expand_env_esc(src, p, MAXPATHL, FALSE, one, NULL); return p; } /* * Expand environment variable with path name. * "~/" is also expanded, using $HOME. For Unix "~user/" is expanded. * Skips over "\ ", "\~" and "\$" (not for Win32 though). * If anything fails no expansion is done and dst equals src. */ void expand_env( char_u *src, /* input string e.g. "$HOME/vim.hlp" */ char_u *dst, /* where to put the result */ int dstlen) /* maximum length of the result */ { expand_env_esc(src, dst, dstlen, FALSE, FALSE, NULL); } void expand_env_esc( char_u *srcp, /* input string e.g. "$HOME/vim.hlp" */ char_u *dst, /* where to put the result */ int dstlen, /* maximum length of the result */ int esc, /* escape spaces in expanded variables */ int one, /* "srcp" is one file name */ char_u *startstr) /* start again after this (can be NULL) */ { char_u *src; char_u *tail; int c; char_u *var; int copy_char; int mustfree; /* var was allocated, need to free it later */ int at_start = TRUE; /* at start of a name */ int startstr_len = 0; if (startstr != NULL) startstr_len = (int)STRLEN(startstr); src = skipwhite(srcp); --dstlen; /* leave one char space for "\," */ while (*src && dstlen > 0) { #ifdef FEAT_EVAL /* Skip over `=expr`. */ if (src[0] == '`' && src[1] == '=') { size_t len; var = src; src += 2; (void)skip_expr(&src); if (*src == '`') ++src; len = src - var; if (len > (size_t)dstlen) len = dstlen; vim_strncpy(dst, var, len); dst += len; dstlen -= (int)len; continue; } #endif copy_char = TRUE; if ((*src == '$' #ifdef VMS && at_start #endif ) #if defined(MSWIN) || *src == '%' #endif || (*src == '~' && at_start)) { mustfree = FALSE; /* * The variable name is copied into dst temporarily, because it may * be a string in read-only memory and a NUL needs to be appended. */ if (*src != '~') /* environment var */ { tail = src + 1; var = dst; c = dstlen - 1; #ifdef UNIX /* Unix has ${var-name} type environment vars */ if (*tail == '{' && !vim_isIDc('{')) { tail++; /* ignore '{' */ while (c-- > 0 && *tail && *tail != '}') *var++ = *tail++; } else #endif { while (c-- > 0 && *tail != NUL && ((vim_isIDc(*tail)) #if defined(MSWIN) || (*src == '%' && *tail != '%') #endif )) *var++ = *tail++; } #if defined(MSWIN) || defined(UNIX) #ifdef UNIX if (src[1] == '{' && *tail != '}') #else if (*src == '%' && *tail != '%') #endif var = NULL; else { #ifdef UNIX if (src[1] == '{') #else if (*src == '%') #endif ++tail; #endif *var = NUL; var = vim_getenv(dst, &mustfree); #if defined(MSWIN) || defined(UNIX) } #endif } /* home directory */ else if (src[1] == NUL || vim_ispathsep(src[1]) || vim_strchr((char_u *)" ,\t\n", src[1]) != NULL) { var = homedir; tail = src + 1; } else /* user directory */ { #if defined(UNIX) || (defined(VMS) && defined(USER_HOME)) /* * Copy ~user to dst[], so we can put a NUL after it. */ tail = src; var = dst; c = dstlen - 1; while (c-- > 0 && *tail && vim_isfilec(*tail) && !vim_ispathsep(*tail)) *var++ = *tail++; *var = NUL; #ifdef UNIX /* * If the system supports getpwnam(), use it. * Otherwise, or if getpwnam() fails, the shell is used to * expand ~user. This is slower and may fail if the shell * does not support ~user (old versions of /bin/sh). */ #if defined(HAVE_GETPWNAM) && defined(HAVE_PWD_H) { /* Note: memory allocated by getpwnam() is never freed. * Calling endpwent() apparently doesn't help. */ struct passwd *pw = (*dst == NUL) ? NULL : getpwnam((char *)dst + 1); var = (pw == NULL) ? NULL : (char_u *)pw->pw_dir; } if (var == NULL) #endif { expand_T xpc; ExpandInit(&xpc); xpc.xp_context = EXPAND_FILES; var = ExpandOne(&xpc, dst, NULL, WILD_ADD_SLASH | WILD_SILENT, WILD_EXPAND_FREE); mustfree = TRUE; } #else /* !UNIX, thus VMS */ /* * USER_HOME is a comma-separated list of * directories to search for the user account in. */ { char_u test[MAXPATHL], paths[MAXPATHL]; char_u *path, *next_path, *ptr; stat_T st; STRCPY(paths, USER_HOME); next_path = paths; while (*next_path) { for (path = next_path; *next_path && *next_path != ','; next_path++) ; if (*next_path) *next_path++ = NUL; STRCPY(test, path); STRCAT(test, "/"); STRCAT(test, dst + 1); if (mch_stat(test, &st) == 0) { var = alloc(STRLEN(test) + 1); STRCPY(var, test); mustfree = TRUE; break; } } } #endif /* UNIX */ #else /* cannot expand user's home directory, so don't try */ var = NULL; tail = (char_u *)""; /* for gcc */ #endif /* UNIX || VMS */ } #ifdef BACKSLASH_IN_FILENAME /* If 'shellslash' is set change backslashes to forward slashes. * Can't use slash_adjust(), p_ssl may be set temporarily. */ if (p_ssl && var != NULL && vim_strchr(var, '\\') != NULL) { char_u *p = vim_strsave(var); if (p != NULL) { if (mustfree) vim_free(var); var = p; mustfree = TRUE; forward_slash(var); } } #endif /* If "var" contains white space, escape it with a backslash. * Required for ":e ~/tt" when $HOME includes a space. */ if (esc && var != NULL && vim_strpbrk(var, (char_u *)" \t") != NULL) { char_u *p = vim_strsave_escaped(var, (char_u *)" \t"); if (p != NULL) { if (mustfree) vim_free(var); var = p; mustfree = TRUE; } } if (var != NULL && *var != NUL && (STRLEN(var) + STRLEN(tail) + 1 < (unsigned)dstlen)) { STRCPY(dst, var); dstlen -= (int)STRLEN(var); c = (int)STRLEN(var); /* if var[] ends in a path separator and tail[] starts * with it, skip a character */ if (*var != NUL && after_pathsep(dst, dst + c) #if defined(BACKSLASH_IN_FILENAME) && dst[-1] != ':' #endif && vim_ispathsep(*tail)) ++tail; dst += c; src = tail; copy_char = FALSE; } if (mustfree) vim_free(var); } if (copy_char) /* copy at least one char */ { /* * Recognize the start of a new name, for '~'. * Don't do this when "one" is TRUE, to avoid expanding "~" in * ":edit foo ~ foo". */ at_start = FALSE; if (src[0] == '\\' && src[1] != NUL) { *dst++ = *src++; --dstlen; } else if ((src[0] == ' ' || src[0] == ',') && !one) at_start = TRUE; if (dstlen > 0) { *dst++ = *src++; --dstlen; if (startstr != NULL && src - startstr_len >= srcp && STRNCMP(src - startstr_len, startstr, startstr_len) == 0) at_start = TRUE; } } } *dst = NUL; } /* * Vim's version of getenv(). * Special handling of $HOME, $VIM and $VIMRUNTIME. * Also does ACP to 'enc' conversion for Win32. * "mustfree" is set to TRUE when returned is allocated, it must be * initialized to FALSE by the caller. */ char_u * vim_getenv(char_u *name, int *mustfree) { char_u *p = NULL; char_u *pend; int vimruntime; #ifdef MSWIN WCHAR *wn, *wp; // use "C:/" when $HOME is not set if (STRCMP(name, "HOME") == 0) return homedir; // Use Wide function wn = enc_to_utf16(name, NULL); if (wn == NULL) return NULL; wp = _wgetenv(wn); vim_free(wn); if (wp != NULL && *wp == NUL) // empty is the same as not set wp = NULL; if (wp != NULL) { p = utf16_to_enc(wp, NULL); if (p == NULL) return NULL; *mustfree = TRUE; return p; } #else p = mch_getenv(name); if (p != NULL && *p == NUL) // empty is the same as not set p = NULL; if (p != NULL) return p; #endif // handling $VIMRUNTIME and $VIM is below, bail out if it's another name. vimruntime = (STRCMP(name, "VIMRUNTIME") == 0); if (!vimruntime && STRCMP(name, "VIM") != 0) return NULL; /* * When expanding $VIMRUNTIME fails, try using $VIM/vim or $VIM. * Don't do this when default_vimruntime_dir is non-empty. */ if (vimruntime #ifdef HAVE_PATHDEF && *default_vimruntime_dir == NUL #endif ) { #ifdef MSWIN // Use Wide function wp = _wgetenv(L"VIM"); if (wp != NULL && *wp == NUL) // empty is the same as not set wp = NULL; if (wp != NULL) { char_u *q = utf16_to_enc(wp, NULL); if (q != NULL) { p = vim_version_dir(q); *mustfree = TRUE; if (p == NULL) p = q; } } #else p = mch_getenv((char_u *)"VIM"); if (p != NULL && *p == NUL) // empty is the same as not set p = NULL; if (p != NULL) { p = vim_version_dir(p); if (p != NULL) *mustfree = TRUE; else p = mch_getenv((char_u *)"VIM"); } #endif } /* * When expanding $VIM or $VIMRUNTIME fails, try using: * - the directory name from 'helpfile' (unless it contains '$') * - the executable name from argv[0] */ if (p == NULL) { if (p_hf != NULL && vim_strchr(p_hf, '$') == NULL) p = p_hf; #ifdef USE_EXE_NAME /* * Use the name of the executable, obtained from argv[0]. */ else p = exe_name; #endif if (p != NULL) { /* remove the file name */ pend = gettail(p); /* remove "doc/" from 'helpfile', if present */ if (p == p_hf) pend = remove_tail(p, pend, (char_u *)"doc"); #ifdef USE_EXE_NAME #ifdef MACOS_X /* remove "MacOS" from exe_name and add "Resources/vim" */ if (p == exe_name) { char_u *pend1; char_u *pnew; pend1 = remove_tail(p, pend, (char_u *)"MacOS"); if (pend1 != pend) { pnew = alloc(pend1 - p + 15); if (pnew != NULL) { STRNCPY(pnew, p, (pend1 - p)); STRCPY(pnew + (pend1 - p), "Resources/vim"); p = pnew; pend = p + STRLEN(p); } } } #endif /* remove "src/" from exe_name, if present */ if (p == exe_name) pend = remove_tail(p, pend, (char_u *)"src"); #endif /* for $VIM, remove "runtime/" or "vim54/", if present */ if (!vimruntime) { pend = remove_tail(p, pend, (char_u *)RUNTIME_DIRNAME); pend = remove_tail(p, pend, (char_u *)VIM_VERSION_NODOT); } /* remove trailing path separator */ if (pend > p && after_pathsep(p, pend)) --pend; #ifdef MACOS_X if (p == exe_name || p == p_hf) #endif /* check that the result is a directory name */ p = vim_strnsave(p, (int)(pend - p)); if (p != NULL && !mch_isdir(p)) VIM_CLEAR(p); else { #ifdef USE_EXE_NAME /* may add "/vim54" or "/runtime" if it exists */ if (vimruntime && (pend = vim_version_dir(p)) != NULL) { vim_free(p); p = pend; } #endif *mustfree = TRUE; } } } #ifdef HAVE_PATHDEF /* When there is a pathdef.c file we can use default_vim_dir and * default_vimruntime_dir */ if (p == NULL) { /* Only use default_vimruntime_dir when it is not empty */ if (vimruntime && *default_vimruntime_dir != NUL) { p = default_vimruntime_dir; *mustfree = FALSE; } else if (*default_vim_dir != NUL) { if (vimruntime && (p = vim_version_dir(default_vim_dir)) != NULL) *mustfree = TRUE; else { p = default_vim_dir; *mustfree = FALSE; } } } #endif /* * Set the environment variable, so that the new value can be found fast * next time, and others can also use it (e.g. Perl). */ if (p != NULL) { if (vimruntime) { vim_setenv((char_u *)"VIMRUNTIME", p); didset_vimruntime = TRUE; } else { vim_setenv((char_u *)"VIM", p); didset_vim = TRUE; } } return p; } /* * Check if the directory "vimdir/" or "vimdir/runtime" exists. * Return NULL if not, return its name in allocated memory otherwise. */ static char_u * vim_version_dir(char_u *vimdir) { char_u *p; if (vimdir == NULL || *vimdir == NUL) return NULL; p = concat_fnames(vimdir, (char_u *)VIM_VERSION_NODOT, TRUE); if (p != NULL && mch_isdir(p)) return p; vim_free(p); p = concat_fnames(vimdir, (char_u *)RUNTIME_DIRNAME, TRUE); if (p != NULL && mch_isdir(p)) return p; vim_free(p); return NULL; } /* * If the string between "p" and "pend" ends in "name/", return "pend" minus * the length of "name/". Otherwise return "pend". */ static char_u * remove_tail(char_u *p, char_u *pend, char_u *name) { int len = (int)STRLEN(name) + 1; char_u *newend = pend - len; if (newend >= p && fnamencmp(newend, name, len - 1) == 0 && (newend == p || after_pathsep(p, newend))) return newend; return pend; } #if defined(FEAT_EVAL) || defined(PROTO) void vim_unsetenv(char_u *var) { #ifdef HAVE_UNSETENV unsetenv((char *)var); #else vim_setenv(var, (char_u *)""); #endif } #endif /* * Our portable version of setenv. */ void vim_setenv(char_u *name, char_u *val) { #ifdef HAVE_SETENV mch_setenv((char *)name, (char *)val, 1); #else char_u *envbuf; /* * Putenv does not copy the string, it has to remain * valid. The allocated memory will never be freed. */ envbuf = alloc(STRLEN(name) + STRLEN(val) + 2); if (envbuf != NULL) { sprintf((char *)envbuf, "%s=%s", name, val); putenv((char *)envbuf); } #endif #ifdef FEAT_GETTEXT /* * When setting $VIMRUNTIME adjust the directory to find message * translations to $VIMRUNTIME/lang. */ if (*val != NUL && STRICMP(name, "VIMRUNTIME") == 0) { char_u *buf = concat_str(val, (char_u *)"/lang"); if (buf != NULL) { bindtextdomain(VIMPACKAGE, (char *)buf); vim_free(buf); } } #endif } #if defined(FEAT_CMDL_COMPL) || defined(PROTO) /* * Function given to ExpandGeneric() to obtain an environment variable name. */ char_u * get_env_name( expand_T *xp UNUSED, int idx) { #ifndef __WIN32__ /* Borland C++ 5.2 has this in a header file. */ extern char **environ; #endif #define ENVNAMELEN 100 static char_u name[ENVNAMELEN]; char_u *str; int n; str = (char_u *)environ[idx]; if (str == NULL) return NULL; for (n = 0; n < ENVNAMELEN - 1; ++n) { if (str[n] == '=' || str[n] == NUL) break; name[n] = str[n]; } name[n] = NUL; return name; #endif } /* * Add a user name to the list of users in ga_users. * Do nothing if user name is NULL or empty. */ static void add_user(char_u *user, int need_copy) { char_u *user_copy = (user != NULL && need_copy) ? vim_strsave(user) : user; if (user_copy == NULL || *user_copy == NUL || ga_grow(&ga_users, 1) == FAIL) { if (need_copy) vim_free(user); return; } ((char_u **)(ga_users.ga_data))[ga_users.ga_len++] = user_copy; } /* * Find all user names for user completion. * Done only once and then cached. */ static void init_users(void) { static int lazy_init_done = FALSE; if (lazy_init_done) return; lazy_init_done = TRUE; ga_init2(&ga_users, sizeof(char_u *), 20); #if defined(HAVE_GETPWENT) && defined(HAVE_PWD_H) { struct passwd *pw; setpwent(); while ((pw = getpwent()) != NULL) add_user((char_u *)pw->pw_name, TRUE); endpwent(); } #elif defined(MSWIN) { DWORD nusers = 0, ntotal = 0, i; PUSER_INFO_0 uinfo; if (NetUserEnum(NULL, 0, 0, (LPBYTE *)&uinfo, MAX_PREFERRED_LENGTH, &nusers, &ntotal, NULL) == NERR_Success) { for (i = 0; i < nusers; i++) add_user(utf16_to_enc(uinfo[i].usri0_name, NULL), FALSE); NetApiBufferFree(uinfo); } } #endif #if defined(HAVE_GETPWNAM) { char_u *user_env = mch_getenv((char_u *)"USER"); // The $USER environment variable may be a valid remote user name (NIS, // LDAP) not already listed by getpwent(), as getpwent() only lists // local user names. If $USER is not already listed, check whether it // is a valid remote user name using getpwnam() and if it is, add it to // the list of user names. if (user_env != NULL && *user_env != NUL) { int i; for (i = 0; i < ga_users.ga_len; i++) { char_u *local_user = ((char_u **)ga_users.ga_data)[i]; if (STRCMP(local_user, user_env) == 0) break; } if (i == ga_users.ga_len) { struct passwd *pw = getpwnam((char *)user_env); if (pw != NULL) add_user((char_u *)pw->pw_name, TRUE); } } } #endif } /* * Function given to ExpandGeneric() to obtain an user names. */ char_u * get_users(expand_T *xp UNUSED, int idx) { init_users(); if (idx < ga_users.ga_len) return ((char_u **)ga_users.ga_data)[idx]; return NULL; } /* * Check whether name matches a user name. Return: * 0 if name does not match any user name. * 1 if name partially matches the beginning of a user name. * 2 is name fully matches a user name. */ int match_user(char_u *name) { int i; int n = (int)STRLEN(name); int result = 0; init_users(); for (i = 0; i < ga_users.ga_len; i++) { if (STRCMP(((char_u **)ga_users.ga_data)[i], name) == 0) return 2; /* full match */ if (STRNCMP(((char_u **)ga_users.ga_data)[i], name, n) == 0) result = 1; /* partial match */ } return result; } /* * Replace home directory by "~" in each space or comma separated file name in * 'src'. * If anything fails (except when out of space) dst equals src. */ void home_replace( buf_T *buf, /* when not NULL, check for help files */ char_u *src, /* input file name */ char_u *dst, /* where to put the result */ int dstlen, /* maximum length of the result */ int one) /* if TRUE, only replace one file name, include spaces and commas in the file name. */ { size_t dirlen = 0, envlen = 0; size_t len; char_u *homedir_env, *homedir_env_orig; char_u *p; if (src == NULL) { *dst = NUL; return; } /* * If the file is a help file, remove the path completely. */ if (buf != NULL && buf->b_help) { vim_snprintf((char *)dst, dstlen, "%s", gettail(src)); return; } /* * We check both the value of the $HOME environment variable and the * "real" home directory. */ if (homedir != NULL) dirlen = STRLEN(homedir); #ifdef VMS homedir_env_orig = homedir_env = mch_getenv((char_u *)"SYS$LOGIN"); #else homedir_env_orig = homedir_env = mch_getenv((char_u *)"HOME"); #endif #ifdef MSWIN if (homedir_env == NULL) homedir_env_orig = homedir_env = mch_getenv((char_u *)"USERPROFILE"); #endif /* Empty is the same as not set. */ if (homedir_env != NULL && *homedir_env == NUL) homedir_env = NULL; #if defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) if (homedir_env != NULL && *homedir_env == '~') { int usedlen = 0; int flen; char_u *fbuf = NULL; flen = (int)STRLEN(homedir_env); (void)modify_fname((char_u *)":p", FALSE, &usedlen, &homedir_env, &fbuf, &flen); flen = (int)STRLEN(homedir_env); if (flen > 0 && vim_ispathsep(homedir_env[flen - 1])) /* Remove the trailing / that is added to a directory. */ homedir_env[flen - 1] = NUL; } #endif if (homedir_env != NULL) envlen = STRLEN(homedir_env); if (!one) src = skipwhite(src); while (*src && dstlen > 0) { /* * Here we are at the beginning of a file name. * First, check to see if the beginning of the file name matches * $HOME or the "real" home directory. Check that there is a '/' * after the match (so that if e.g. the file is "/home/pieter/bla", * and the home directory is "/home/piet", the file does not end up * as "~er/bla" (which would seem to indicate the file "bla" in user * er's home directory)). */ p = homedir; len = dirlen; for (;;) { if (len && fnamencmp(src, p, len) == 0 && (vim_ispathsep(src[len]) || (!one && (src[len] == ',' || src[len] == ' ')) || src[len] == NUL)) { src += len; if (--dstlen > 0) *dst++ = '~'; /* * If it's just the home directory, add "/". */ if (!vim_ispathsep(src[0]) && --dstlen > 0) *dst++ = '/'; break; } if (p == homedir_env) break; p = homedir_env; len = envlen; } /* if (!one) skip to separator: space or comma */ while (*src && (one || (*src != ',' && *src != ' ')) && --dstlen > 0) *dst++ = *src++; /* skip separator */ while ((*src == ' ' || *src == ',') && --dstlen > 0) *dst++ = *src++; } /* if (dstlen == 0) out of space, what to do??? */ *dst = NUL; if (homedir_env != homedir_env_orig) vim_free(homedir_env); } /* * Like home_replace, store the replaced string in allocated memory. * When something fails, NULL is returned. */ char_u * home_replace_save( buf_T *buf, /* when not NULL, check for help files */ char_u *src) /* input file name */ { char_u *dst; unsigned len; len = 3; /* space for "~/" and trailing NUL */ if (src != NULL) /* just in case */ len += (unsigned)STRLEN(src); dst = alloc(len); if (dst != NULL) home_replace(buf, src, dst, len, TRUE); return dst; } /* * Compare two file names and return: * FPC_SAME if they both exist and are the same file. * FPC_SAMEX if they both don't exist and have the same file name. * FPC_DIFF if they both exist and are different files. * FPC_NOTX if they both don't exist. * FPC_DIFFX if one of them doesn't exist. * For the first name environment variables are expanded if "expandenv" is * TRUE. */ int fullpathcmp( char_u *s1, char_u *s2, int checkname, // when both don't exist, check file names int expandenv) { #ifdef UNIX char_u exp1[MAXPATHL]; char_u full1[MAXPATHL]; char_u full2[MAXPATHL]; stat_T st1, st2; int r1, r2; if (expandenv) expand_env(s1, exp1, MAXPATHL); else vim_strncpy(exp1, s1, MAXPATHL - 1); r1 = mch_stat((char *)exp1, &st1); r2 = mch_stat((char *)s2, &st2); if (r1 != 0 && r2 != 0) { /* if mch_stat() doesn't work, may compare the names */ if (checkname) { if (fnamecmp(exp1, s2) == 0) return FPC_SAMEX; r1 = vim_FullName(exp1, full1, MAXPATHL, FALSE); r2 = vim_FullName(s2, full2, MAXPATHL, FALSE); if (r1 == OK && r2 == OK && fnamecmp(full1, full2) == 0) return FPC_SAMEX; } return FPC_NOTX; } if (r1 != 0 || r2 != 0) return FPC_DIFFX; if (st1.st_dev == st2.st_dev && st1.st_ino == st2.st_ino) return FPC_SAME; return FPC_DIFF; #else char_u *exp1; /* expanded s1 */ char_u *full1; /* full path of s1 */ char_u *full2; /* full path of s2 */ int retval = FPC_DIFF; int r1, r2; /* allocate one buffer to store three paths (alloc()/free() is slow!) */ if ((exp1 = alloc(MAXPATHL * 3)) != NULL) { full1 = exp1 + MAXPATHL; full2 = full1 + MAXPATHL; if (expandenv) expand_env(s1, exp1, MAXPATHL); else vim_strncpy(exp1, s1, MAXPATHL - 1); r1 = vim_FullName(exp1, full1, MAXPATHL, FALSE); r2 = vim_FullName(s2, full2, MAXPATHL, FALSE); /* If vim_FullName() fails, the file probably doesn't exist. */ if (r1 != OK && r2 != OK) { if (checkname && fnamecmp(exp1, s2) == 0) retval = FPC_SAMEX; else retval = FPC_NOTX; } else if (r1 != OK || r2 != OK) retval = FPC_DIFFX; else if (fnamecmp(full1, full2)) retval = FPC_DIFF; else retval = FPC_SAME; vim_free(exp1); } return retval; #endif } /* * Get the tail of a path: the file name. * When the path ends in a path separator the tail is the NUL after it. * Fail safe: never returns NULL. */ char_u * gettail(char_u *fname) { char_u *p1, *p2; if (fname == NULL) return (char_u *)""; for (p1 = p2 = get_past_head(fname); *p2;) /* find last part of path */ { if (vim_ispathsep_nocolon(*p2)) p1 = p2 + 1; MB_PTR_ADV(p2); } return p1; } /* * Get pointer to tail of "fname", including path separators. Putting a NUL * here leaves the directory name. Takes care of "c:/" and "//". * Always returns a valid pointer. */ char_u * gettail_sep(char_u *fname) { char_u *p; char_u *t; p = get_past_head(fname); /* don't remove the '/' from "c:/file" */ t = gettail(fname); while (t > p && after_pathsep(fname, t)) --t; #ifdef VMS /* path separator is part of the path */ ++t; #endif return t; } /* * get the next path component (just after the next path separator). */ char_u * getnextcomp(char_u *fname) { while (*fname && !vim_ispathsep(*fname)) MB_PTR_ADV(fname); if (*fname) ++fname; return fname; } /* * Get a pointer to one character past the head of a path name. * Unix: after "/"; DOS: after "c:\"; Amiga: after "disk:/"; Mac: no head. * If there is no head, path is returned. */ char_u * get_past_head(char_u *path) { char_u *retval; #if defined(MSWIN) /* may skip "c:" */ if (isalpha(path[0]) && path[1] == ':') retval = path + 2; else retval = path; #else retval = path; #endif while (vim_ispathsep(*retval)) ++retval; return retval; } /* * Return TRUE if 'c' is a path separator. * Note that for MS-Windows this includes the colon. */ int vim_ispathsep(int c) { #ifdef UNIX return (c == '/'); /* UNIX has ':' inside file names */ #else #ifdef BACKSLASH_IN_FILENAME return (c == ':' || c == '/' || c == '\\'); #else #ifdef VMS /* server"user passwd"::device:[full.path.name]fname.extension;version" */ return (c == ':' || c == '[' || c == ']' || c == '/' || c == '<' || c == '>' || c == '"'); #else return (c == ':' || c == '/'); #endif /* VMS */ #endif #endif } /* * Like vim_ispathsep(c), but exclude the colon for MS-Windows. */ int vim_ispathsep_nocolon(int c) { return vim_ispathsep(c) #ifdef BACKSLASH_IN_FILENAME && c != ':' #endif ; } /* * Shorten the path of a file from "~/foo/../.bar/fname" to "~/f/../.b/fname" * It's done in-place. */ void shorten_dir(char_u *str) { char_u *tail, *s, *d; int skip = FALSE; tail = gettail(str); d = str; for (s = str;; ++s) { if (s >= tail) /* copy the whole tail */ { *d++ = *s; if (*s == NUL) break; } else if (vim_ispathsep(*s)) /* copy '/' and next char */ { *d++ = *s; skip = FALSE; } else if (!skip) { *d++ = *s; /* copy next char */ if (*s != '~' && *s != '.') /* and leading "~" and "." */ skip = TRUE; if (has_mbyte) { int l = mb_ptr2len(s); while (--l > 0) *d++ = *++s; } } } } /* * Return TRUE if the directory of "fname" exists, FALSE otherwise. * Also returns TRUE if there is no directory name. * "fname" must be writable!. */ int dir_of_file_exists(char_u *fname) { char_u *p; int c; int retval; p = gettail_sep(fname); if (p == fname) return TRUE; c = *p; *p = NUL; retval = mch_isdir(fname); *p = c; return retval; } /* * Versions of fnamecmp() and fnamencmp() that handle '/' and '\' equally * and deal with 'fileignorecase'. */ int vim_fnamecmp(char_u *x, char_u *y) { #ifdef BACKSLASH_IN_FILENAME return vim_fnamencmp(x, y, MAXPATHL); #else if (p_fic) return MB_STRICMP(x, y); return STRCMP(x, y); #endif } int vim_fnamencmp(char_u *x, char_u *y, size_t len) { #ifdef BACKSLASH_IN_FILENAME char_u *px = x; char_u *py = y; int cx = NUL; int cy = NUL; while (len > 0) { cx = PTR2CHAR(px); cy = PTR2CHAR(py); if (cx == NUL || cy == NUL || ((p_fic ? MB_TOLOWER(cx) != MB_TOLOWER(cy) : cx != cy) && !(cx == '/' && cy == '\\') && !(cx == '\\' && cy == '/'))) break; len -= MB_PTR2LEN(px); px += MB_PTR2LEN(px); py += MB_PTR2LEN(py); } if (len == 0) return 0; return (cx - cy); #else if (p_fic) return MB_STRNICMP(x, y, len); return STRNCMP(x, y, len); #endif } /* * Concatenate file names fname1 and fname2 into allocated memory. * Only add a '/' or '\\' when 'sep' is TRUE and it is necessary. */ char_u * concat_fnames(char_u *fname1, char_u *fname2, int sep) { char_u *dest; dest = alloc(STRLEN(fname1) + STRLEN(fname2) + 3); if (dest != NULL) { STRCPY(dest, fname1); if (sep) add_pathsep(dest); STRCAT(dest, fname2); } return dest; } /* * Concatenate two strings and return the result in allocated memory. * Returns NULL when out of memory. */ char_u * concat_str(char_u *str1, char_u *str2) { char_u *dest; size_t l = STRLEN(str1); dest = alloc(l + STRLEN(str2) + 1L); if (dest != NULL) { STRCPY(dest, str1); STRCPY(dest + l, str2); } return dest; } /* * Add a path separator to a file name, unless it already ends in a path * separator. */ void add_pathsep(char_u *p) { if (*p != NUL && !after_pathsep(p, p + STRLEN(p))) STRCAT(p, PATHSEPSTR); } /* * FullName_save - Make an allocated copy of a full file name. * Returns NULL when out of memory. */ char_u * FullName_save( char_u *fname, int force) /* force expansion, even when it already looks * like a full path name */ { char_u *buf; char_u *new_fname = NULL; if (fname == NULL) return NULL; buf = alloc(MAXPATHL); if (buf != NULL) { if (vim_FullName(fname, buf, MAXPATHL, force) != FAIL) new_fname = vim_strsave(buf); else new_fname = vim_strsave(fname); vim_free(buf); } return new_fname; } void prepare_to_exit(void) { #if defined(SIGHUP) && defined(SIG_IGN) /* Ignore SIGHUP, because a dropped connection causes a read error, which * makes Vim exit and then handling SIGHUP causes various reentrance * problems. */ signal(SIGHUP, SIG_IGN); #endif { windgoto((int)Rows - 1, 0); /* * Switch terminal mode back now, so messages end up on the "normal" * screen (if there are two screens). */ settmode(TMODE_COOK); stoptermcap(); } } /* * Preserve files and exit. * When called IObuff must contain a message. * NOTE: This may be called from deathtrap() in a signal handler, avoid unsafe * functions, such as allocating memory. */ void preserve_exit(void) { buf_T *buf; prepare_to_exit(); /* Setting this will prevent free() calls. That avoids calling free() * recursively when free() was invoked with a bad pointer. */ really_exiting = TRUE; out_str(IObuff); screen_start(); /* don't know where cursor is now */ ml_close_notmod(); /* close all not-modified buffers */ FOR_ALL_BUFFERS(buf) { if (buf->b_ml.ml_mfp != NULL && buf->b_ml.ml_mfp->mf_fname != NULL) { OUT_STR("Vim: preserving files...\n"); screen_start(); /* don't know where cursor is now */ ml_sync_all(FALSE, FALSE); /* preserve all swap files */ break; } } ml_close_all(FALSE); /* close all memfiles, without deleting */ OUT_STR("Vim: Finished.\n"); getout(1); } /* * return TRUE if "fname" exists. */ int vim_fexists(char_u *fname) { stat_T st; if (mch_stat((char *)fname, &st)) return FALSE; return TRUE; } /* * Check for CTRL-C pressed, but only once in a while. * Should be used instead of ui_breakcheck() for functions that check for * each line in the file. Calling ui_breakcheck() each time takes too much * time, because it can be a system call. */ #ifndef BREAKCHECK_SKIP #define BREAKCHECK_SKIP 32 #endif static int breakcheck_count = 0; void line_breakcheck(void) { if (++breakcheck_count >= BREAKCHECK_SKIP) { breakcheck_count = 0; ui_breakcheck(); } } /* * Like line_breakcheck() but check 10 times less often. */ void fast_breakcheck(void) { if (++breakcheck_count >= BREAKCHECK_SKIP * 10) { breakcheck_count = 0; ui_breakcheck(); } } /* * Invoke expand_wildcards() for one pattern. * Expand items like "%:h" before the expansion. * Returns OK or FAIL. */ int expand_wildcards_eval( char_u **pat, /* pointer to input pattern */ int *num_file, /* resulting number of files */ char_u ***file, /* array of resulting files */ int flags) /* EW_DIR, etc. */ { int ret = FAIL; char_u *eval_pat = NULL; char_u *exp_pat = *pat; char *ignored_msg; int usedlen; if (*exp_pat == '%' || *exp_pat == '#' || *exp_pat == '<') { ++emsg_off; eval_pat = eval_vars(exp_pat, exp_pat, &usedlen, NULL, &ignored_msg, NULL); --emsg_off; if (eval_pat != NULL) exp_pat = concat_str(eval_pat, exp_pat + usedlen); } if (exp_pat != NULL) ret = expand_wildcards(1, &exp_pat, num_file, file, flags); if (eval_pat != NULL) { vim_free(exp_pat); vim_free(eval_pat); } return ret; } /* * Expand wildcards. Calls gen_expand_wildcards() and removes files matching * 'wildignore'. * Returns OK or FAIL. When FAIL then "num_files" won't be set. */ int expand_wildcards( int num_pat, /* number of input patterns */ char_u **pat, /* array of input patterns */ int *num_files, /* resulting number of files */ char_u ***files, /* array of resulting files */ int flags) /* EW_DIR, etc. */ { int retval; int i, j; char_u *p; int non_suf_match; /* number without matching suffix */ retval = gen_expand_wildcards(num_pat, pat, num_files, files, flags); /* When keeping all matches, return here */ if ((flags & EW_KEEPALL) || retval == FAIL) return retval; #ifdef FEAT_WILDIGN /* * Remove names that match 'wildignore'. */ if (*p_wig) { char_u *ffname; /* check all files in (*files)[] */ for (i = 0; i < *num_files; ++i) { ffname = FullName_save((*files)[i], FALSE); if (ffname == NULL) /* out of memory */ break; #ifdef VMS vms_remove_version(ffname); #endif if (match_file_list(p_wig, (*files)[i], ffname)) { /* remove this matching file from the list */ vim_free((*files)[i]); for (j = i; j + 1 < *num_files; ++j) (*files)[j] = (*files)[j + 1]; --*num_files; --i; } vim_free(ffname); } /* If the number of matches is now zero, we fail. */ if (*num_files == 0) { VIM_CLEAR(*files); return FAIL; } } #endif /* * Move the names where 'suffixes' match to the end. */ if (*num_files > 1) { non_suf_match = 0; for (i = 0; i < *num_files; ++i) { if (!match_suffix((*files)[i])) { /* * Move the name without matching suffix to the front * of the list. */ p = (*files)[i]; for (j = i; j > non_suf_match; --j) (*files)[j] = (*files)[j - 1]; (*files)[non_suf_match++] = p; } } } return retval; } /* * Return TRUE if "fname" matches with an entry in 'suffixes'. */ int match_suffix(char_u *fname) { int fnamelen, setsuflen; char_u *setsuf; #define MAXSUFLEN 30 /* maximum length of a file suffix */ char_u suf_buf[MAXSUFLEN]; fnamelen = (int)STRLEN(fname); setsuflen = 0; for (setsuf = p_su; *setsuf;) { setsuflen = copy_option_part(&setsuf, suf_buf, MAXSUFLEN, ".,"); if (setsuflen == 0) { char_u *tail = gettail(fname); /* empty entry: match name without a '.' */ if (vim_strchr(tail, '.') == NULL) { setsuflen = 1; break; } } else { if (fnamelen >= setsuflen && fnamencmp(suf_buf, fname + fnamelen - setsuflen, (size_t)setsuflen) == 0) break; setsuflen = 0; } } return (setsuflen != 0); } #if !defined(NO_EXPANDPATH) || defined(PROTO) #ifdef VIM_BACKTICK static int vim_backtick(char_u *p); static int expand_backtick(garray_T *gap, char_u *pat, int flags); #endif #if defined(MSWIN) /* * File name expansion code for MS-DOS, Win16 and Win32. It's here because * it's shared between these systems. */ /* * comparison function for qsort in dos_expandpath() */ static int pstrcmp(const void *a, const void *b) { return (pathcmp(*(char **)a, *(char **)b, -1)); } /* * Recursively expand one path component into all matching files and/or * directories. Adds matches to "gap". Handles "*", "?", "[a-z]", "**", etc. * Return the number of matches found. * "path" has backslashes before chars that are not to be expanded, starting * at "path[wildoff]". * Return the number of matches found. * NOTE: much of this is identical to unix_expandpath(), keep in sync! */ static int dos_expandpath( garray_T *gap, char_u *path, int wildoff, int flags, /* EW_* flags */ int didstar) /* expanded "**" once already */ { char_u *buf; char_u *path_end; char_u *p, *s, *e; int start_len = gap->ga_len; char_u *pat; regmatch_T regmatch; int starts_with_dot; int matches; int len; int starstar = FALSE; static int stardepth = 0; // depth for "**" expansion HANDLE hFind = INVALID_HANDLE_VALUE; WIN32_FIND_DATAW wfb; WCHAR *wn = NULL; // UCS-2 name, NULL when not used. char_u *matchname; int ok; /* Expanding "**" may take a long time, check for CTRL-C. */ if (stardepth > 0) { ui_breakcheck(); if (got_int) return 0; } // Make room for file name. When doing encoding conversion the actual // length may be quite a bit longer, thus use the maximum possible length. buf = alloc(MAXPATHL); if (buf == NULL) return 0; /* * Find the first part in the path name that contains a wildcard or a ~1. * Copy it into buf, including the preceding characters. */ p = buf; s = buf; e = NULL; path_end = path; while (*path_end != NUL) { /* May ignore a wildcard that has a backslash before it; it will * be removed by rem_backslash() or file_pat_to_reg_pat() below. */ if (path_end >= path + wildoff && rem_backslash(path_end)) *p++ = *path_end++; else if (*path_end == '\\' || *path_end == ':' || *path_end == '/') { if (e != NULL) break; s = p + 1; } else if (path_end >= path + wildoff && vim_strchr((char_u *)"*?[~", *path_end) != NULL) e = p; if (has_mbyte) { len = (*mb_ptr2len)(path_end); STRNCPY(p, path_end, len); p += len; path_end += len; } else *p++ = *path_end++; } e = p; *e = NUL; /* now we have one wildcard component between s and e */ /* Remove backslashes between "wildoff" and the start of the wildcard * component. */ for (p = buf + wildoff; p < s; ++p) if (rem_backslash(p)) { STRMOVE(p, p + 1); --e; --s; } /* Check for "**" between "s" and "e". */ for (p = s; p < e; ++p) if (p[0] == '*' && p[1] == '*') starstar = TRUE; starts_with_dot = *s == '.'; pat = file_pat_to_reg_pat(s, e, NULL, FALSE); if (pat == NULL) { vim_free(buf); return 0; } /* compile the regexp into a program */ if (flags & (EW_NOERROR | EW_NOTWILD)) ++emsg_silent; regmatch.rm_ic = TRUE; /* Always ignore case */ regmatch.regprog = vim_regcomp(pat, RE_MAGIC); if (flags & (EW_NOERROR | EW_NOTWILD)) --emsg_silent; vim_free(pat); if (regmatch.regprog == NULL && (flags & EW_NOTWILD) == 0) { vim_free(buf); return 0; } /* remember the pattern or file name being looked for */ matchname = vim_strsave(s); /* If "**" is by itself, this is the first time we encounter it and more * is following then find matches without any directory. */ if (!didstar && stardepth < 100 && starstar && e - s == 2 && *path_end == '/') { STRCPY(s, path_end + 1); ++stardepth; (void)dos_expandpath(gap, buf, (int)(s - buf), flags, TRUE); --stardepth; } /* Scan all files in the directory with "dir/ *.*" */ STRCPY(s, "*.*"); wn = enc_to_utf16(buf, NULL); if (wn != NULL) hFind = FindFirstFileW(wn, &wfb); ok = (hFind != INVALID_HANDLE_VALUE); while (ok) { p = utf16_to_enc(wfb.cFileName, NULL); // p is allocated here if (p == NULL) break; // out of memory // Ignore entries starting with a dot, unless when asked for. Accept // all entries found with "matchname". if ((p[0] != '.' || starts_with_dot || ((flags & EW_DODOT) && p[1] != NUL && (p[1] != '.' || p[2] != NUL))) && (matchname == NULL || (regmatch.regprog != NULL && vim_regexec(®match, p, (colnr_T)0)) || ((flags & EW_NOTWILD) && fnamencmp(path + (s - buf), p, e - s) == 0))) { STRCPY(s, p); len = (int)STRLEN(buf); if (starstar && stardepth < 100) { /* For "**" in the pattern first go deeper in the tree to * find matches. */ STRCPY(buf + len, "/**"); STRCPY(buf + len + 3, path_end); ++stardepth; (void)dos_expandpath(gap, buf, len + 1, flags, TRUE); --stardepth; } STRCPY(buf + len, path_end); if (mch_has_exp_wildcard(path_end)) { /* need to expand another component of the path */ /* remove backslashes for the remaining components only */ (void)dos_expandpath(gap, buf, len + 1, flags, FALSE); } else { /* no more wildcards, check if there is a match */ /* remove backslashes for the remaining components only */ if (*path_end != 0) backslash_halve(buf + len + 1); if (mch_getperm(buf) >= 0) /* add existing file */ addfile(gap, buf, flags); } } vim_free(p); ok = FindNextFileW(hFind, &wfb); /* If no more matches and no match was used, try expanding the name * itself. Finds the long name of a short filename. */ if (!ok && matchname != NULL && gap->ga_len == start_len) { STRCPY(s, matchname); FindClose(hFind); vim_free(wn); wn = enc_to_utf16(buf, NULL); if (wn != NULL) hFind = FindFirstFileW(wn, &wfb); else hFind = INVALID_HANDLE_VALUE; ok = (hFind != INVALID_HANDLE_VALUE); VIM_CLEAR(matchname); } } FindClose(hFind); vim_free(wn); vim_free(buf); vim_regfree(regmatch.regprog); vim_free(matchname); matches = gap->ga_len - start_len; if (matches > 0) qsort(((char_u **)gap->ga_data) + start_len, (size_t)matches, sizeof(char_u *), pstrcmp); return matches; } int mch_expandpath( garray_T *gap, char_u *path, int flags) /* EW_* flags */ { return dos_expandpath(gap, path, 0, flags, FALSE); } #endif // MSWIN #if (defined(UNIX) && !defined(VMS)) || defined(USE_UNIXFILENAME) || defined(PROTO) /* * Unix style wildcard expansion code. * It's here because it's used both for Unix and Mac. */ static int pstrcmp(const void *a, const void *b) { return (pathcmp(*(char **)a, *(char **)b, -1)); } /* * Recursively expand one path component into all matching files and/or * directories. Adds matches to "gap". Handles "*", "?", "[a-z]", "**", etc. * "path" has backslashes before chars that are not to be expanded, starting * at "path + wildoff". * Return the number of matches found. * NOTE: much of this is identical to dos_expandpath(), keep in sync! */ int unix_expandpath( garray_T *gap, char_u *path, int wildoff, int flags, /* EW_* flags */ int didstar) /* expanded "**" once already */ { char_u *buf; char_u *path_end; char_u *p, *s, *e; int start_len = gap->ga_len; char_u *pat; regmatch_T regmatch; int starts_with_dot; int matches; int len; int starstar = FALSE; static int stardepth = 0; /* depth for "**" expansion */ DIR *dirp; struct dirent *dp; /* Expanding "**" may take a long time, check for CTRL-C. */ if (stardepth > 0) { ui_breakcheck(); if (got_int) return 0; } /* make room for file name */ buf = alloc(STRLEN(path) + BASENAMELEN + 5); if (buf == NULL) return 0; /* * Find the first part in the path name that contains a wildcard. * When EW_ICASE is set every letter is considered to be a wildcard. * Copy it into "buf", including the preceding characters. */ p = buf; s = buf; e = NULL; path_end = path; while (*path_end != NUL) { /* May ignore a wildcard that has a backslash before it; it will * be removed by rem_backslash() or file_pat_to_reg_pat() below. */ if (path_end >= path + wildoff && rem_backslash(path_end)) *p++ = *path_end++; else if (*path_end == '/') { if (e != NULL) break; s = p + 1; } else if (path_end >= path + wildoff && (vim_strchr((char_u *)"*?[{~$", *path_end) != NULL || (!p_fic && (flags & EW_ICASE) && isalpha(PTR2CHAR(path_end))))) e = p; if (has_mbyte) { len = (*mb_ptr2len)(path_end); STRNCPY(p, path_end, len); p += len; path_end += len; } else *p++ = *path_end++; } e = p; *e = NUL; /* Now we have one wildcard component between "s" and "e". */ /* Remove backslashes between "wildoff" and the start of the wildcard * component. */ for (p = buf + wildoff; p < s; ++p) if (rem_backslash(p)) { STRMOVE(p, p + 1); --e; --s; } /* Check for "**" between "s" and "e". */ for (p = s; p < e; ++p) if (p[0] == '*' && p[1] == '*') starstar = TRUE; /* convert the file pattern to a regexp pattern */ starts_with_dot = *s == '.'; pat = file_pat_to_reg_pat(s, e, NULL, FALSE); if (pat == NULL) { vim_free(buf); return 0; } /* compile the regexp into a program */ if (flags & EW_ICASE) regmatch.rm_ic = TRUE; /* 'wildignorecase' set */ else regmatch.rm_ic = p_fic; /* ignore case when 'fileignorecase' is set */ if (flags & (EW_NOERROR | EW_NOTWILD)) ++emsg_silent; regmatch.regprog = vim_regcomp(pat, RE_MAGIC); if (flags & (EW_NOERROR | EW_NOTWILD)) --emsg_silent; vim_free(pat); if (regmatch.regprog == NULL && (flags & EW_NOTWILD) == 0) { vim_free(buf); return 0; } /* If "**" is by itself, this is the first time we encounter it and more * is following then find matches without any directory. */ if (!didstar && stardepth < 100 && starstar && e - s == 2 && *path_end == '/') { STRCPY(s, path_end + 1); ++stardepth; (void)unix_expandpath(gap, buf, (int)(s - buf), flags, TRUE); --stardepth; } /* open the directory for scanning */ *s = NUL; dirp = opendir(*buf == NUL ? "." : (char *)buf); /* Find all matching entries */ if (dirp != NULL) { for (;;) { dp = readdir(dirp); if (dp == NULL) break; if ((dp->d_name[0] != '.' || starts_with_dot || ((flags & EW_DODOT) && dp->d_name[1] != NUL && (dp->d_name[1] != '.' || dp->d_name[2] != NUL))) && ((regmatch.regprog != NULL && vim_regexec(®match, (char_u *)dp->d_name, (colnr_T)0)) || ((flags & EW_NOTWILD) && fnamencmp(path + (s - buf), dp->d_name, e - s) == 0))) { STRCPY(s, dp->d_name); len = STRLEN(buf); if (starstar && stardepth < 100) { /* For "**" in the pattern first go deeper in the tree to * find matches. */ STRCPY(buf + len, "/**"); STRCPY(buf + len + 3, path_end); ++stardepth; (void)unix_expandpath(gap, buf, len + 1, flags, TRUE); --stardepth; } STRCPY(buf + len, path_end); if (mch_has_exp_wildcard(path_end)) /* handle more wildcards */ { /* need to expand another component of the path */ /* remove backslashes for the remaining components only */ (void)unix_expandpath(gap, buf, len + 1, flags, FALSE); } else { stat_T sb; /* no more wildcards, check if there is a match */ /* remove backslashes for the remaining components only */ if (*path_end != NUL) backslash_halve(buf + len + 1); /* add existing file or symbolic link */ if ((flags & EW_ALLLINKS) ? mch_lstat((char *)buf, &sb) >= 0 : mch_getperm(buf) >= 0) { #ifdef MACOS_CONVERT size_t precomp_len = STRLEN(buf) + 1; char_u *precomp_buf = mac_precompose_path(buf, precomp_len, &precomp_len); if (precomp_buf) { mch_memmove(buf, precomp_buf, precomp_len); vim_free(precomp_buf); } #endif addfile(gap, buf, flags); } } } } closedir(dirp); } vim_free(buf); vim_regfree(regmatch.regprog); matches = gap->ga_len - start_len; if (matches > 0) qsort(((char_u **)gap->ga_data) + start_len, matches, sizeof(char_u *), pstrcmp); return matches; } #endif #if defined(FEAT_SEARCHPATH) || defined(FEAT_CMDL_COMPL) || defined(PROTO) /* * Sort "gap" and remove duplicate entries. "gap" is expected to contain a * list of file names in allocated memory. */ void remove_duplicates(garray_T *gap) { int i; int j; char_u **fnames = (char_u **)gap->ga_data; sort_strings(fnames, gap->ga_len); for (i = gap->ga_len - 1; i > 0; --i) if (fnamecmp(fnames[i - 1], fnames[i]) == 0) { vim_free(fnames[i]); for (j = i + 1; j < gap->ga_len; ++j) fnames[j - 1] = fnames[j]; --gap->ga_len; } } #endif /* * Return TRUE if "p" contains what looks like an environment variable. * Allowing for escaping. */ static int has_env_var(char_u *p) { for (; *p; MB_PTR_ADV(p)) { if (*p == '\\' && p[1] != NUL) ++p; else if (vim_strchr((char_u *) #if defined(MSWIN) "$%" #else "$" #endif , *p) != NULL) return TRUE; } return FALSE; } #ifdef SPECIAL_WILDCHAR /* * Return TRUE if "p" contains a special wildcard character, one that Vim * cannot expand, requires using a shell. */ static int has_special_wildchar(char_u *p) { for (; *p; MB_PTR_ADV(p)) { // Disallow line break characters. if (*p == '\r' || *p == '\n') break; // Allow for escaping. if (*p == '\\' && p[1] != NUL && p[1] != '\r' && p[1] != '\n') ++p; else if (vim_strchr((char_u *)SPECIAL_WILDCHAR, *p) != NULL) { // A { must be followed by a matching }. if (*p == '{' && vim_strchr(p, '}') == NULL) continue; // A quote and backtick must be followed by another one. if ((*p == '`' || *p == '\'') && vim_strchr(p, *p) == NULL) continue; return TRUE; } } return FALSE; } #endif /* * Generic wildcard expansion code. * * Characters in "pat" that should not be expanded must be preceded with a * backslash. E.g., "/path\ with\ spaces/my\*star*" * * Return FAIL when no single file was found. In this case "num_file" is not * set, and "file" may contain an error message. * Return OK when some files found. "num_file" is set to the number of * matches, "file" to the array of matches. Call FreeWild() later. */ int gen_expand_wildcards( int num_pat, /* number of input patterns */ char_u **pat, /* array of input patterns */ int *num_file, /* resulting number of files */ char_u ***file, /* array of resulting files */ int flags) /* EW_* flags */ { int i; garray_T ga; char_u *p; static int recursive = FALSE; int add_pat; int retval = OK; #if defined(FEAT_SEARCHPATH) int did_expand_in_path = FALSE; #endif /* * expand_env() is called to expand things like "~user". If this fails, * it calls ExpandOne(), which brings us back here. In this case, always * call the machine specific expansion function, if possible. Otherwise, * return FAIL. */ if (recursive) #ifdef SPECIAL_WILDCHAR return mch_expand_wildcards(num_pat, pat, num_file, file, flags); #else return FAIL; #endif #ifdef SPECIAL_WILDCHAR /* * If there are any special wildcard characters which we cannot handle * here, call machine specific function for all the expansion. This * avoids starting the shell for each argument separately. * For `=expr` do use the internal function. */ for (i = 0; i < num_pat; i++) { if (has_special_wildchar(pat[i]) #ifdef VIM_BACKTICK && !(vim_backtick(pat[i]) && pat[i][1] == '=') #endif ) return mch_expand_wildcards(num_pat, pat, num_file, file, flags); } #endif recursive = TRUE; /* * The matching file names are stored in a growarray. Init it empty. */ ga_init2(&ga, (int)sizeof(char_u *), 30); for (i = 0; i < num_pat; ++i) { add_pat = -1; p = pat[i]; #ifdef VIM_BACKTICK if (vim_backtick(p)) { add_pat = expand_backtick(&ga, p, flags); if (add_pat == -1) retval = FAIL; } else #endif { /* * First expand environment variables, "~/" and "~user/". */ if ((has_env_var(p) && !(flags & EW_NOTENV)) || *p == '~') { p = expand_env_save_opt(p, TRUE); if (p == NULL) p = pat[i]; #ifdef UNIX /* * On Unix, if expand_env() can't expand an environment * variable, use the shell to do that. Discard previously * found file names and start all over again. */ else if (has_env_var(p) || *p == '~') { vim_free(p); ga_clear_strings(&ga); i = mch_expand_wildcards(num_pat, pat, num_file, file, flags | EW_KEEPDOLLAR); recursive = FALSE; return i; } #endif } /* * If there are wildcards: Expand file names and add each match to * the list. If there is no match, and EW_NOTFOUND is given, add * the pattern. * If there are no wildcards: Add the file name if it exists or * when EW_NOTFOUND is given. */ if (mch_has_exp_wildcard(p)) { #if defined(FEAT_SEARCHPATH) if ((flags & EW_PATH) && !mch_isFullName(p) && !(p[0] == '.' && (vim_ispathsep(p[1]) || (p[1] == '.' && vim_ispathsep(p[2]))))) { /* :find completion where 'path' is used. * Recursiveness is OK here. */ recursive = FALSE; add_pat = expand_in_path(&ga, p, flags); recursive = TRUE; did_expand_in_path = TRUE; } else #endif add_pat = mch_expandpath(&ga, p, flags); } } if (add_pat == -1 || (add_pat == 0 && (flags & EW_NOTFOUND))) { char_u *t = backslash_halve_save(p); /* When EW_NOTFOUND is used, always add files and dirs. Makes * "vim c:/" work. */ if (flags & EW_NOTFOUND) addfile(&ga, t, flags | EW_DIR | EW_FILE); else addfile(&ga, t, flags); vim_free(t); } #if defined(FEAT_SEARCHPATH) if (did_expand_in_path && ga.ga_len > 0 && (flags & EW_PATH)) uniquefy_paths(&ga, p); #endif if (p != pat[i]) vim_free(p); } *num_file = ga.ga_len; *file = (ga.ga_data != NULL) ? (char_u **)ga.ga_data : (char_u **)""; recursive = FALSE; return ((flags & EW_EMPTYOK) || ga.ga_data != NULL) ? retval : FAIL; } #ifdef VIM_BACKTICK /* * Return TRUE if we can expand this backtick thing here. */ static int vim_backtick(char_u *p) { return (*p == '`' && *(p + 1) != NUL && *(p + STRLEN(p) - 1) == '`'); } /* * Expand an item in `backticks` by executing it as a command. * Currently only works when pat[] starts and ends with a `. * Returns number of file names found, -1 if an error is encountered. */ static int expand_backtick( garray_T *gap, char_u *pat, int flags) /* EW_* flags */ { char_u *p; char_u *cmd; char_u *buffer; int cnt = 0; int i; /* Create the command: lop off the backticks. */ cmd = vim_strnsave(pat + 1, (int)STRLEN(pat) - 2); if (cmd == NULL) return -1; #ifdef FEAT_EVAL if (*cmd == '=') /* `={expr}`: Expand expression */ buffer = eval_to_string(cmd + 1, &p, TRUE); else #endif buffer = get_cmd_output(cmd, NULL, (flags & EW_SILENT) ? SHELL_SILENT : 0, NULL); vim_free(cmd); if (buffer == NULL) return -1; cmd = buffer; while (*cmd != NUL) { cmd = skipwhite(cmd); /* skip over white space */ p = cmd; while (*p != NUL && *p != '\r' && *p != '\n') /* skip over entry */ ++p; /* add an entry if it is not empty */ if (p > cmd) { i = *p; *p = NUL; addfile(gap, cmd, flags); *p = i; ++cnt; } cmd = p; while (*cmd != NUL && (*cmd == '\r' || *cmd == '\n')) ++cmd; } vim_free(buffer); return cnt; } #endif /* VIM_BACKTICK */ /* * Add a file to a file list. Accepted flags: * EW_DIR add directories * EW_FILE add files * EW_EXEC add executable files * EW_NOTFOUND add even when it doesn't exist * EW_ADDSLASH add slash after directory name * EW_ALLLINKS add symlink also when the referred file does not exist */ void addfile( garray_T *gap, char_u *f, /* filename */ int flags) { char_u *p; int isdir; stat_T sb; /* if the file/dir/link doesn't exist, may not add it */ if (!(flags & EW_NOTFOUND) && ((flags & EW_ALLLINKS) ? mch_lstat((char *)f, &sb) < 0 : mch_getperm(f) < 0)) return; #ifdef FNAME_ILLEGAL /* if the file/dir contains illegal characters, don't add it */ if (vim_strpbrk(f, (char_u *)FNAME_ILLEGAL) != NULL) return; #endif isdir = mch_isdir(f); if ((isdir && !(flags & EW_DIR)) || (!isdir && !(flags & EW_FILE))) return; /* If the file isn't executable, may not add it. Do accept directories. * When invoked from expand_shellcmd() do not use $PATH. */ if (!isdir && (flags & EW_EXEC) && !mch_can_exe(f, NULL, !(flags & EW_SHELLCMD))) return; /* Make room for another item in the file list. */ if (ga_grow(gap, 1) == FAIL) return; p = alloc(STRLEN(f) + 1 + isdir); if (p == NULL) return; STRCPY(p, f); #ifdef BACKSLASH_IN_FILENAME slash_adjust(p); #endif /* * Append a slash or backslash after directory names if none is present. */ #ifndef DONT_ADD_PATHSEP_TO_DIR if (isdir && (flags & EW_ADDSLASH)) add_pathsep(p); #endif ((char_u **)gap->ga_data)[gap->ga_len++] = p; } #endif /* !NO_EXPANDPATH */ #if defined(VIM_BACKTICK) || defined(FEAT_EVAL) || defined(PROTO) #ifndef SEEK_SET #define SEEK_SET 0 #endif #ifndef SEEK_END #define SEEK_END 2 #endif /* * Get the stdout of an external command. * If "ret_len" is NULL replace NUL characters with NL. When "ret_len" is not * NULL store the length there. * Returns an allocated string, or NULL for error. */ char_u * get_cmd_output( char_u *cmd, char_u *infile, /* optional input file name */ int flags, /* can be SHELL_SILENT */ int *ret_len) { char_u *tempname; char_u *command; char_u *buffer = NULL; int len; int i = 0; FILE *fd; if (check_restricted() || check_secure()) return NULL; /* get a name for the temp file */ if ((tempname = vim_tempname('o', FALSE)) == NULL) { emsg(_(e_notmp)); return NULL; } /* Add the redirection stuff */ command = make_filter_cmd(cmd, infile, tempname); if (command == NULL) goto done; /* * Call the shell to execute the command (errors are ignored). * Don't check timestamps here. */ ++no_check_timestamps; call_shell(command, SHELL_DOOUT | SHELL_EXPAND | flags); --no_check_timestamps; vim_free(command); /* * read the names from the file into memory */ #ifdef VMS /* created temporary file is not always readable as binary */ fd = mch_fopen((char *)tempname, "r"); #else fd = mch_fopen((char *)tempname, READBIN); #endif if (fd == NULL) { semsg(_(e_notopen), tempname); goto done; } fseek(fd, 0L, SEEK_END); len = ftell(fd); /* get size of temp file */ fseek(fd, 0L, SEEK_SET); buffer = alloc(len + 1); if (buffer != NULL) i = (int)fread((char *)buffer, (size_t)1, (size_t)len, fd); fclose(fd); mch_remove(tempname); if (buffer == NULL) goto done; #ifdef VMS len = i; /* VMS doesn't give us what we asked for... */ #endif if (i != len) { semsg(_(e_notread), tempname); VIM_CLEAR(buffer); } else if (ret_len == NULL) { /* Change NUL into SOH, otherwise the string is truncated. */ for (i = 0; i < len; ++i) if (buffer[i] == NUL) buffer[i] = 1; buffer[len] = NUL; /* make sure the buffer is terminated */ } else *ret_len = len; done: vim_free(tempname); return buffer; } #endif /* * Free the list of files returned by expand_wildcards() or other expansion * functions. */ void FreeWild(int count, char_u **files) { if (count <= 0 || files == NULL) return; while (count--) vim_free(files[count]); vim_free(files); } /* * Return TRUE when need to go to Insert mode because of 'insertmode'. * Don't do this when still processing a command or a mapping. * Don't do this when inside a ":normal" command. */ int goto_im(void) { return (p_im && stuff_empty() && typebuf_typed()); } /* * Returns the isolated name of the shell in allocated memory: * - Skip beyond any path. E.g., "/usr/bin/csh -f" -> "csh -f". * - Remove any argument. E.g., "csh -f" -> "csh". * But don't allow a space in the path, so that this works: * "/usr/bin/csh --rcfile ~/.cshrc" * But don't do that for Windows, it's common to have a space in the path. */ char_u * get_isolated_shell_name(void) { char_u *p; #ifdef MSWIN p = gettail(p_sh); p = vim_strnsave(p, (int)(skiptowhite(p) - p)); #else p = skiptowhite(p_sh); if (*p == NUL) { /* No white space, use the tail. */ p = vim_strsave(gettail(p_sh)); } else { char_u *p1, *p2; /* Find the last path separator before the space. */ p1 = p_sh; for (p2 = p_sh; p2 < p; MB_PTR_ADV(p2)) if (vim_ispathsep(*p2)) p1 = p2 + 1; p = vim_strnsave(p1, (int)(p - p1)); } #endif return p; } /* * Check if the "://" of a URL is at the pointer, return URL_SLASH. * Also check for ":\\", which MS Internet Explorer accepts, return * URL_BACKSLASH. */ int path_is_url(char_u *p) { if (STRNCMP(p, "://", (size_t)3) == 0) return URL_SLASH; else if (STRNCMP(p, ":\\\\", (size_t)3) == 0) return URL_BACKSLASH; return 0; } /* * Check if "fname" starts with "name://". Return URL_SLASH if it does. * Return URL_BACKSLASH for "name:\\". * Return zero otherwise. */ int path_with_url(char_u *fname) { char_u *p; for (p = fname; isalpha(*p); ++p) ; return path_is_url(p); } /* * Return TRUE if "name" is a full (absolute) path name or URL. */ int vim_isAbsName(char_u *name) { return (path_with_url(name) != 0 || mch_isFullName(name)); } /* * Get absolute file name into buffer "buf[len]". * * return FAIL for failure, OK otherwise */ int vim_FullName( char_u *fname, char_u *buf, int len, int force) /* force expansion even when already absolute */ { int retval = OK; int url; *buf = NUL; if (fname == NULL) return FAIL; url = path_with_url(fname); if (!url) retval = mch_FullName(fname, buf, len, force); if (url || retval == FAIL) { /* something failed; use the file name (truncate when too long) */ vim_strncpy(buf, fname, len - 1); } #if defined(MSWIN) slash_adjust(buf); #endif return retval; }