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-rw-r--r--src/misc1.c1912
1 files changed, 236 insertions, 1676 deletions
diff --git a/src/misc1.c b/src/misc1.c
index ed3f57e110..45dcc327b7 100644
--- a/src/misc1.c
+++ b/src/misc1.c
@@ -18,9 +18,6 @@
# include <lm.h>
#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 ":\\" */
@@ -1593,8 +1590,6 @@ vim_beep(
* For Windows:
* This code is duplicated in init_homedir() in dosinst.c. Keep in sync!
*/
-static char_u *homedir = NULL;
-
void
init_homedir(void)
{
@@ -2046,6 +2041,45 @@ expand_env_esc(
}
/*
+ * 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;
+}
+
+/*
+ * Check if the directory "vimdir/<version>" 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;
+}
+
+/*
* Vim's version of getenv().
* Special handling of $HOME, $VIM and $VIMRUNTIME.
* Also does ACP to 'enc' conversion for Win32.
@@ -2270,45 +2304,6 @@ vim_getenv(char_u *name, int *mustfree)
return p;
}
-/*
- * Check if the directory "vimdir/<version>" 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)
@@ -2529,500 +2524,6 @@ match_user(char_u *name)
}
/*
- * 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 (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;
- }
-
- 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
-# if defined(AMIGA)
- /* may skip "label:" */
- retval = vim_strchr(path, ':');
- if (retval == NULL)
- retval = path;
-# else /* Unix */
- retval = path;
-# endif
-#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.
*/
@@ -3041,45 +2542,6 @@ concat_str(char_u *str1, char_u *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;
-}
-
static void
prepare_to_exit(void)
{
@@ -3154,19 +2616,6 @@ preserve_exit(void)
}
/*
- * 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
@@ -3202,1042 +2651,6 @@ fast_breakcheck(void)
}
}
-/*
- * 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(&regmatch, 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;