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/*----------------------------------------------------------------
* search a file from path list
*
* Copyright (C) 1996-1999 Takashi Iwai
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*----------------------------------------------------------------*/
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <sys/fcntl.h>
#include "util.h"
static int file_exists(char *path, char **ext)
{
char *lastp;
if (access(path, R_OK) == 0)
return 1;
if (ext == NULL) return 0;
lastp = path + strlen(path);
for (; *ext; ext++) {
strcpy(lastp, *ext);
if (access(path, R_OK) == 0)
return 1;
}
return 0;
}
int awe_search_file_name(char *fresult, int maxlen, char *fname, char *pathlist, char **ext)
{
char *tok;
char *path;
if (strlen(fname) >= maxlen)
return 0;
/* search the current path at first */
strcpy(fresult, fname);
if (file_exists(fresult, ext))
return 1;
/* then search along path list */
if (fname[0] != '/' && pathlist && *pathlist) {
path = safe_strdup(pathlist);
for (tok = strtok(path, ":"); tok; tok = strtok(NULL, ":")) {
if (*tok && tok[strlen(tok)-1] != '/')
snprintf(fresult, maxlen, "%s/%s", tok, fname);
else
snprintf(fresult, maxlen, "%s%s", tok, fname);
if (file_exists(fresult, ext)) {
safe_free(path);
return 1;
}
}
}
return 0;
}
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