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/*
* Copyright (C) 2011 Marcin Kościelnicki <koriakin@0x04.net>
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include "util.h"
#include <string.h>
FILE *find_in_path(const char *name, const char *path, char **pfullname) {
if (!path)
return 0;
while (path) {
const char *npath = strchr(path, ':');
size_t plen;
if (npath) {
plen = npath - path;
npath++;
} else {
plen = strlen(path);
}
if (plen) {
char *fullname = malloc(strlen(name) + plen + 2);
strncpy(fullname, path, plen);
fullname[plen] = '/';
fullname[plen+1] = 0;
strcat(fullname, name);
FILE *file = fopen(fullname, "r");
if (file) {
if (pfullname)
*pfullname = fullname;
else
free(fullname);
return file;
}
free(fullname);
}
path = npath;
}
return 0;
}
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