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#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <malloc.h>
extern char *ProgName;
static char *InDir(path,name)
char *path;
char *name;
{
char *s;
if ((s = strchr(path,':')) != (char *)0)
*s == '\0';
if (*path == '\0')
return (char *)0;
if ((s = malloc(2 + strlen(path) + strlen(name))) == (char *)0) {
(void) fprintf(stderr,
"%s: cannot malloc for %s/%s\n",
ProgName,path,name
);
return (char *)0;
}
(void) sprintf(s,"%s/%s",path,name);
if (access(s,F_OK) == 0)
return s;
(void) free(s);
return (char *)0;
}
char *scanpath(path,name)
char *path;
char *name;
{
char *s;
if (path == (char *)0)
return (char *)0;
for (;;) {
char *where;
if (where = InDir(path,name))
return where;
if ((s = strchr(path,':')) == (char *)0)
return (char *)0;
path = s+1;
}
}
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