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/*
* Written by Udo Munk <udo@umserver.umnet.de>
*
* I don't care what you do with this and I'm not responsible for
* anything which might happen if you use this. This code is provided
* AS IS and there are no guarantees, none.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
/*
* See if file is in any directory in the PATH environment variable.
* If yes return a complete pathname, if not found just return the filename.
*/
char *searchpath(char *file) {
#ifndef __MACOS__
char *path;
char *dir;
static char b[2048];
struct stat s;
char pb[2048];
/* get PATH, if not set just return filename, might be in cwd */
/* added "./" for current path 19990416 by Kin */
if ((path = getenv("PATH")) == NULL) {
strcpy(b, "./");
strcat(b,file);
return(b);
}
/* we have to do this because strtok() is destructive */
strcpy(pb, path);
/* get first directory */
dir = strtok(pb, ":");
/* loop over the directories in PATH and see if the file is there */
while (dir) {
/* build filename from directory/filename */
strcpy(b, dir);
strcat(b, "/");
strcat(b, file);
if (stat(b, &s) == 0) {
return(b); /* yep, there it is */
}
/* get next directory */
dir = strtok(NULL, ":");
}
#endif
/* hm, not found, just return filename, again, might be in cwd */
return(file);
}
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