char * path = getenv("PATH");
char * pathbuf;
char * start, * chptr;
- char * buf;
+ char * buf, *local = NULL;
/* If there is a / in the argv[0], it has to be an absolute
path */
if (!path) return NULL;
- start = pathbuf = alloca(strlen(path) + 1);
+ local = start = pathbuf = malloc(strlen(path) + 1);
buf = malloc(strlen(path) + strlen(argv0) + 2);
strcpy(pathbuf, path);
*chptr = '\0';
sprintf(buf, "%s/%s", start, argv0);
- if (!access(buf, X_OK))
- return buf;
+ if (!access(buf, X_OK)) {
+ if (local) free(local);
+ return buf;
+ }
if (chptr)
start = chptr + 1;
} while (start && *start);
free(buf);
+ if (local) free(local);
return NULL;
}