diff options
Diffstat (limited to 'sysdeps/generic/glob.c')
-rw-r--r-- | sysdeps/generic/glob.c | 190 |
1 files changed, 113 insertions, 77 deletions
diff --git a/sysdeps/generic/glob.c b/sysdeps/generic/glob.c index 70d125c200..9182c0585a 100644 --- a/sysdeps/generic/glob.c +++ b/sysdeps/generic/glob.c @@ -797,10 +797,10 @@ glob (pattern, flags, errfunc, pglob) int i; struct stat st; for (i = oldcount; i < pglob->gl_pathc; ++i) - if (((flags & GLOB_ALTDIRFUNC) ? - (*pglob->gl_stat) (pglob->gl_pathv[i], &st) : - __stat (pglob->gl_pathv[i], &st)) == 0 && - S_ISDIR (st.st_mode)) + if (((flags & GLOB_ALTDIRFUNC) + ? (*pglob->gl_stat) (pglob->gl_pathv[i], &st) + : __stat (pglob->gl_pathv[i], &st)) == 0 + && S_ISDIR (st.st_mode)) { size_t len = strlen (pglob->gl_pathv[i]) + 2; char *new = realloc (pglob->gl_pathv[i], len); @@ -958,7 +958,7 @@ glob_in_dir (pattern, directory, flags, errfunc, pglob) int (*errfunc) __P ((const char *, int)); glob_t *pglob; { - __ptr_t stream; + __ptr_t stream = NULL; struct globlink { @@ -970,92 +970,127 @@ glob_in_dir (pattern, directory, flags, errfunc, pglob) int meta; int save; - stream = ((flags & GLOB_ALTDIRFUNC) ? - (*pglob->gl_opendir) (directory) : - (__ptr_t) opendir (directory)); - if (stream == NULL) + meta = __glob_pattern_p (pattern, !(flags & GLOB_NOESCAPE)); + if (meta == 0) { - if ((errfunc != NULL && (*errfunc) (directory, errno)) || - (flags & GLOB_ERR)) - return GLOB_ABORTED; + if (flags & (GLOB_NOCHECK|GLOB_NOMAGIC)) + /* We need not do any tests. The PATTERN contains no meta + characters and we must not return an error therefore the + result will always contain exactly the one name. */ + flags |= GLOB_NOCHECK; + else + { + /* Since we use the normal file functions we can also use stat() + to verify the file is there. */ + struct stat st; + size_t patlen = strlen (pattern); + size_t dirlen = strlen (directory); + char *fullname = __alloca (dirlen + 1 + patlen + 1); + +# ifdef HAVE_MEMPCPY + mempcpy (mempcpy (mempcpy (fullname, directory, dirlen), + "/", 1), + pattern, patlen + 1); +# else + memcpy (fullname, directory, dirlen); + fullname[dirlen] = '/'; + memcpy (&fullname[dirlen + 1], pattern, patlen + 1); +# endif + if (((flags & GLOB_ALTDIRFUNC) + ? (*pglob->gl_stat) (fullname, &st) + : __stat (fullname, &st)) == 0) + /* We found this file to be existing. No tell the rest + of the function to copy this name into the result. */ + flags |= GLOB_NOCHECK; + } + nfound = 0; - meta = 0; - } - else if (pattern[0] == '\0') - { - /* This is a special case for matching directories like in - "*a/". */ - names = (struct globlink *) __alloca (sizeof (struct globlink)); - names->name = (char *) malloc (1); - if (names->name == NULL) - goto memory_error; - names->name[0] = '\0'; - names->next = NULL; - nfound = 1; - meta = 0; } else { - nfound = 0; - meta = __glob_pattern_p (pattern, !(flags & GLOB_NOESCAPE)); - if(meta) - flags |= GLOB_MAGCHAR; - - while (1) + if (pattern[0] == '\0') { - const char *name; - size_t len; - struct dirent *d = ((flags & GLOB_ALTDIRFUNC) ? - (*pglob->gl_readdir) (stream) : - readdir ((DIR *) stream)); - if (d == NULL) - break; - if (! REAL_DIR_ENTRY (d)) - continue; + /* This is a special case for matching directories like in + "*a/". */ + names = (struct globlink *) __alloca (sizeof (struct globlink)); + names->name = (char *) malloc (1); + if (names->name == NULL) + goto memory_error; + names->name[0] = '\0'; + names->next = NULL; + nfound = 1; + meta = 0; + } + else + { + stream = ((flags & GLOB_ALTDIRFUNC) + ? (*pglob->gl_opendir) (directory) + : (__ptr_t) opendir (directory)); + if (stream == NULL) + { + if ((errfunc != NULL && (*errfunc) (directory, errno)) + || (flags & GLOB_ERR)) + return GLOB_ABORTED; + nfound = 0; + meta = 0; + } + else + { + int fnm_flags = ((!(flags & GLOB_PERIOD) ? FNM_PERIOD : 0) + | ((flags & GLOB_NOESCAPE) ? FNM_NOESCAPE : 0) +#if defined _AMIGA || defined VMS + | FNM_CASEFOLD +#endif + ); + nfound = 0; + flags |= GLOB_MAGCHAR; + + while (1) + { + const char *name; + size_t len; + struct dirent *d = ((flags & GLOB_ALTDIRFUNC) + ? (*pglob->gl_readdir) (stream) + : readdir ((DIR *) stream)); + if (d == NULL) + break; + if (! REAL_DIR_ENTRY (d)) + continue; #ifdef HAVE_D_TYPE - /* If we shall match only directories use the information - provided by the dirent call if possible. */ - if ((flags & GLOB_ONLYDIR) - && d->d_type != DT_UNKNOWN && d->d_type != DT_DIR) - continue; + /* If we shall match only directories use the information + provided by the dirent call if possible. */ + if ((flags & GLOB_ONLYDIR) + && d->d_type != DT_UNKNOWN && d->d_type != DT_DIR) + continue; #endif - name = d->d_name; + name = d->d_name; - if ((!meta && strcmp (pattern, name) == 0) - || fnmatch (pattern, name, - (!(flags & GLOB_PERIOD) ? FNM_PERIOD : 0) | - ((flags & GLOB_NOESCAPE) ? FNM_NOESCAPE : 0) -#if defined _AMIGA || defined VMS - | FNM_CASEFOLD -#endif - ) == 0) - { - struct globlink *new - = (struct globlink *) __alloca (sizeof (struct globlink)); - len = NAMLEN (d); - new->name = (char *) malloc (len + 1); - if (new->name == NULL) - goto memory_error; + if (fnmatch (pattern, name, fnm_flags) == 0) + { + struct globlink *new = (struct globlink *) + __alloca (sizeof (struct globlink)); + len = NAMLEN (d); + new->name = (char *) malloc (len + 1); + if (new->name == NULL) + goto memory_error; #ifdef HAVE_MEMPCPY - *((char *) mempcpy ((__ptr_t) new->name, name, len)) = '\0'; + *((char *) mempcpy ((__ptr_t) new->name, name, len)) + = '\0'; #else - memcpy ((__ptr_t) new->name, name, len); - new->name[len] = '\0'; + memcpy ((__ptr_t) new->name, name, len); + new->name[len] = '\0'; #endif - new->next = names; - names = new; - ++nfound; - if (!meta) - break; + new->next = names; + names = new; + ++nfound; + } + } } } } - if (nfound == 0 && (flags & GLOB_NOMAGIC) && !meta) - flags |= GLOB_NOCHECK; - if (nfound == 0 && (flags & GLOB_NOCHECK)) { size_t len = strlen (pattern); @@ -1096,10 +1131,11 @@ glob_in_dir (pattern, directory, flags, errfunc, pglob) } save = errno; - if (flags & GLOB_ALTDIRFUNC) - (*pglob->gl_closedir) (stream); - else - closedir ((DIR *) stream); + if (stream != NULL) + if (flags & GLOB_ALTDIRFUNC) + (*pglob->gl_closedir) (stream); + else + closedir ((DIR *) stream); __set_errno (save); return nfound == 0 ? GLOB_NOMATCH : 0; |