mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-10 15:22:04 +00:00
forgot these :P
This commit is contained in:
Bill Currie
parent
b5df1c816a
commit
e118a9136a
2 changed files with 500 additions and 0 deletions
279
libs/util/dirent.c
Normal file
279
libs/util/dirent.c
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/*
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* dirent.c
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*
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* Derived from DIRLIB.C by Matt J. Weinstein
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* This note appears in the DIRLIB.H
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* DIRLIB.H by M. J. Weinstein Released to public domain 1-Jan-89
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*
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* Updated by Jeremy Bettis <jeremy@hksys.com>
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* Significantly revised and rewinddir, seekdir and telldir added by Colin
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* Peters <colin@fu.is.saga-u.ac.jp>
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*
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* $Id$
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*
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*/
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#include <stdlib.h>
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#include <errno.h>
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#include <string.h>
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#include <io.h>
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#include <direct.h>
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#include <sys/stat.h>
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#include <dirent.h>
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#define SUFFIX "*"
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#define SLASH "\\"
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#ifndef S_ISDIR
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#define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR) /* is a directory */
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#endif S_ISDIR
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/*
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* opendir
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*
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* Returns a pointer to a DIR structure appropriately filled in to begin
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* searching a directory.
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*/
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DIR *
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opendir (const char *szPath)
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{
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DIR *nd;
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struct _stat statDir;
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errno = 0;
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if (!szPath) {
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errno = EFAULT;
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return (DIR *) 0;
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}
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if (szPath[0] == '\0') {
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errno = ENOTDIR;
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return (DIR *) 0;
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}
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/* Attempt to determine if the given path really is a directory. */
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if (_stat (szPath, &statDir)) {
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/* Error, stat should have set an error value. */
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return (DIR *) 0;
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}
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if (!S_ISDIR (statDir.st_mode)) {
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/* Error, stat reports not a directory. */
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errno = ENOTDIR;
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return (DIR *) 0;
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}
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/* Allocate enough space to store DIR structure and the complete *
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directory path given. */
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nd = (DIR *) calloc (1, sizeof (DIR) + strlen (szPath) + strlen (SLASH) +
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strlen (SUFFIX));
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if (!nd) {
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/* Error, out of memory. */
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errno = ENOMEM;
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return (DIR *) 0;
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}
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/* Create the search expression. */
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strcpy (nd->dd_name, szPath);
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/* Add on a slash if the path does not end with one. */
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if (nd->dd_name[0] != '\0' &&
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nd->dd_name[strlen (nd->dd_name) - 1] != '/' &&
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nd->dd_name[strlen (nd->dd_name) - 1] != '\\') {
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strcat (nd->dd_name, SLASH);
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}
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/* Add on the search pattern */
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strcat (nd->dd_name, SUFFIX);
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/* Initialize handle to -1 so that a premature closedir doesn't try * to
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call _findclose on it. */
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nd->dd_handle = -1;
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/* Initialize the status. */
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nd->dd_stat = 0;
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/* Initialize the dirent structure. ino and reclen are invalid under *
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Win32, and name simply points at the appropriate part of the *
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findfirst_t structure. */
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nd->dd_dir.d_ino = 0;
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nd->dd_dir.d_reclen = 0;
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nd->dd_dir.d_namlen = 0;
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nd->dd_dir.d_name = nd->dd_dta.name;
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return nd;
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}
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/*
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* readdir
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*
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* Return a pointer to a dirent structure filled with the information on the
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* next entry in the directory.
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*/
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struct dirent *
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readdir (DIR * dirp)
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{
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errno = 0;
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/* Check for valid DIR struct. */
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if (!dirp) {
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errno = EFAULT;
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return (struct dirent *) 0;
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}
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if (dirp->dd_dir.d_name != dirp->dd_dta.name) {
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/* The structure does not seem to be set up correctly. */
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errno = EINVAL;
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return (struct dirent *) 0;
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}
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if (dirp->dd_stat < 0) {
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/* We have already returned all files in the directory * (or the
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structure has an invalid dd_stat). */
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return (struct dirent *) 0;
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} else if (dirp->dd_stat == 0) {
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/* We haven't started the search yet. */
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/* Start the search */
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dirp->dd_handle = _findfirst (dirp->dd_name, &(dirp->dd_dta));
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if (dirp->dd_handle == -1) {
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/* Whoops! Seems there are no files in that * directory. */
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dirp->dd_stat = -1;
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} else {
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dirp->dd_stat = 1;
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}
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} else {
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/* Get the next search entry. */
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if (_findnext (dirp->dd_handle, &(dirp->dd_dta))) {
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/* We are off the end or otherwise error. */
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_findclose (dirp->dd_handle);
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dirp->dd_handle = -1;
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dirp->dd_stat = -1;
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} else {
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/* Update the status to indicate the correct * number. */
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dirp->dd_stat++;
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}
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}
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if (dirp->dd_stat > 0) {
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/* Successfully got an entry. Everything about the file is * already
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appropriately filled in except the length of the * file name. */
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dirp->dd_dir.d_namlen = strlen (dirp->dd_dir.d_name);
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return &dirp->dd_dir;
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}
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return (struct dirent *) 0;
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}
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/*
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* closedir
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*
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* Frees up resources allocated by opendir.
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*/
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int
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closedir (DIR * dirp)
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{
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int rc;
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errno = 0;
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rc = 0;
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if (!dirp) {
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errno = EFAULT;
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return -1;
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}
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if (dirp->dd_handle != -1) {
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rc = _findclose (dirp->dd_handle);
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}
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/* Delete the dir structure. */
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free (dirp);
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return rc;
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}
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/*
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* rewinddir
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*
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* Return to the beginning of the directory "stream". We simply call findclose
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* and then reset things like an opendir.
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*/
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void
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rewinddir (DIR * dirp)
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{
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errno = 0;
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if (!dirp) {
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errno = EFAULT;
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return;
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}
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if (dirp->dd_handle != -1) {
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_findclose (dirp->dd_handle);
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}
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dirp->dd_handle = -1;
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dirp->dd_stat = 0;
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}
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/*
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* telldir
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*
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* Returns the "position" in the "directory stream" which can be used with
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* seekdir to go back to an old entry. We simply return the value in stat.
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*/
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long
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telldir (DIR * dirp)
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{
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errno = 0;
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if (!dirp) {
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errno = EFAULT;
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return -1;
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}
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return dirp->dd_stat;
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}
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/*
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* seekdir
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*
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* Seek to an entry previously returned by telldir. We rewind the directory
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* and call readdir repeatedly until either dd_stat is the position number
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* or -1 (off the end). This is not perfect, in that the directory may
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* have changed while we weren't looking. But that is probably the case with
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* any such system.
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*/
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void
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seekdir (DIR * dirp, long lPos)
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{
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errno = 0;
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if (!dirp) {
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errno = EFAULT;
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return;
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}
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if (lPos < -1) {
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/* Seeking to an invalid position. */
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errno = EINVAL;
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return;
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} else if (lPos == -1) {
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/* Seek past end. */
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if (dirp->dd_handle != -1) {
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_findclose (dirp->dd_handle);
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}
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dirp->dd_handle = -1;
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dirp->dd_stat = -1;
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} else {
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/* Rewind and read forward to the appropriate index. */
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rewinddir (dirp);
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while ((dirp->dd_stat < lPos) && readdir (dirp));
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}
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}
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221
libs/util/fnmatch.c
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221
libs/util/fnmatch.c
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@ -0,0 +1,221 @@
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/*
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fnmatch.c
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(description)
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Copyright (C) 1991, 1992, 1993 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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$Id$
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifndef _GNU_SOURCE
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# define _GNU_SOURCE
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#endif
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#include <errno.h>
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#include <ctype.h>
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#include "fnmatch.h"
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/* Comment out all this code if we are using the GNU C Library, and are not
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actually compiling the library itself. This code is part of the GNU C
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Library, but also included in many other GNU distributions. Compiling
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and linking in this code is a waste when using the GNU C library
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(especially if it is a shared library). Rather than having every GNU
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program understand `configure --with-gnu-libc' and omit the object files,
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it is simpler to just do this in the source for each such file. */
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#if defined (_LIBC) || !defined (__GNU_LIBRARY__)
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#if !defined(__GNU_LIBRARY__) && !defined(STDC_HEADERS)
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extern int errno;
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#endif
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/* Match STRING against the filename pattern PATTERN, returning zero if
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it matches, nonzero if not. */
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int
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fnmatch (pattern, string, flags)
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const char *pattern;
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const char *string;
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int flags;
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{
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register const char *p = pattern, *n = string;
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register unsigned char c;
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/* Note that this evalutes C many times. */
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#define FOLD(c) ((flags & FNM_CASEFOLD) && isupper (c) ? tolower (c) : (c))
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#ifdef _WIN32
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flags |= FNM_CASEFOLD;
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#endif
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while ((c = *p++) != '\0') {
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c = FOLD (c);
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switch (c) {
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case '?':
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if (*n == '\0')
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return FNM_NOMATCH;
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else if ((flags & FNM_FILE_NAME) && *n == '/')
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return FNM_NOMATCH;
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else if ((flags & FNM_PERIOD) && *n == '.' &&
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(n == string
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|| ((flags & FNM_FILE_NAME)
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&& n[-1] == '/'))) return FNM_NOMATCH;
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break;
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case '\\':
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if (!(flags & FNM_NOESCAPE)) {
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c = *p++;
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c = FOLD (c);
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}
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if (FOLD ((unsigned char) *n) != c)
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return FNM_NOMATCH;
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break;
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case '*':
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if ((flags & FNM_PERIOD) && *n == '.' &&
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(n == string || ((flags & FNM_FILE_NAME) && n[-1] == '/')))
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return FNM_NOMATCH;
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for (c = *p++; c == '?' || c == '*'; c = *p++, ++n)
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if (((flags & FNM_FILE_NAME) && *n == '/') ||
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(c == '?' && *n == '\0'))
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return FNM_NOMATCH;
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if (c == '\0')
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return 0;
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{
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unsigned char c1 = (!(flags & FNM_NOESCAPE)
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&& c == '\\') ? *p : c;
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c1 = FOLD (c1);
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for (--p; *n != '\0'; ++n)
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if ((c == '[' || FOLD ((unsigned char) *n) == c1) &&
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fnmatch (p, n, flags & ~FNM_PERIOD) == 0)
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return 0;
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return FNM_NOMATCH;
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}
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case '[':
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{
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/* Nonzero if the sense of the character class is
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inverted. */
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register int not;
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if (*n == '\0')
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return FNM_NOMATCH;
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if ((flags & FNM_PERIOD) && *n == '.' &&
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(n == string
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|| ((flags & FNM_FILE_NAME)
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&& n[-1] == '/'))) return FNM_NOMATCH;
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not = (*p == '!' || *p == '^');
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if (not)
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++p;
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c = *p++;
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for (;;) {
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register unsigned char cstart = c, cend = c;
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if (!(flags & FNM_NOESCAPE) && c == '\\')
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cstart = cend = *p++;
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cstart = cend = FOLD (cstart);
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if (c == '\0')
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/* [ (unterminated) loses. */
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return FNM_NOMATCH;
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c = *p++;
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c = FOLD (c);
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if ((flags & FNM_FILE_NAME) && c == '/')
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/* [/] can never match. */
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return FNM_NOMATCH;
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if (c == '-' && *p != ']') {
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cend = *p++;
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if (!(flags & FNM_NOESCAPE) && cend == '\\')
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cend = *p++;
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if (cend == '\0')
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return FNM_NOMATCH;
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cend = FOLD (cend);
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c = *p++;
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}
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if (FOLD ((unsigned char) *n) >= cstart
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&& FOLD ((unsigned char) *n) <= cend)
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goto matched;
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if (c == ']')
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break;
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}
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if (!not)
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return FNM_NOMATCH;
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break;
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matched:;
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/* Skip the rest of the [...] that already matched. */
|
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while (c != ']') {
|
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if (c == '\0')
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/* [... (unterminated) loses. */
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return FNM_NOMATCH;
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c = *p++;
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if (!(flags & FNM_NOESCAPE) && c == '\\')
|
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/* XXX 1003.2d11 is unclear if this is right. */
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++p;
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}
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if (not)
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return FNM_NOMATCH;
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}
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break;
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default:
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if (c != FOLD ((unsigned char) *n))
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return FNM_NOMATCH;
|
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}
|
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|
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++n;
|
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}
|
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|
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if (*n == '\0')
|
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return 0;
|
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|
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if ((flags & FNM_LEADING_DIR) && *n == '/')
|
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/* The FNM_LEADING_DIR flag says that "foo*" matches
|
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"foobar/frobozz". */
|
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return 0;
|
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|
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return FNM_NOMATCH;
|
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}
|
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|
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#endif /* _LIBC or not __GNU_LIBRARY__. */
|
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