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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
char *strdup();
#ifdef ALT_PATH_SEP
#define SEP ';'
#else
#define SEP ':'
#endif
char *path_search(char *name, char *mode, char *path)
{
FILE *f;
static char *buf;
char *p, *n;
int l;
if (buf) free(buf); buf = 0;
if (!path || !*path || *name == '/')
return (buf = strdup(name));
buf = malloc(strlen(path) + strlen(name) + 2);
for (p = path; *p; p += l)
{
if (*p == SEP) p++;
n = strchr(p, SEP);
if (n) l = n - p;
else l = strlen(p);
strncpy(buf, p, l);
buf[l] = '/';
strcpy(buf+l+1, name);
if ((f = fopen(buf, mode)))
{
fclose(f);
return buf;
}
}
return name;
}
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