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#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "ste.h"
/* example of libste usage: iterate over $PATH and append argv[1],
print the entries that fit into PATH_MAX. */
int
main(int argc, char *argv[])
{
char *path = getenv("PATH");
if (!path)
path = "";
char *program = argc > 1 ? argv[1] : "xyzzy";
char *pathend = path + strlen(path);
char buf[PATH_MAX];
char *bufend = buf + sizeof buf;
while (1) {
char *pos = buf;
char *colon = stechr(path, pathend, ':');
if (path == colon) /* empty entry */
pos = stecpy(buf, bufend, ".");
else
pos = stecpe(buf, bufend, path, colon);
pos = steprn(pos, bufend, "/%s", program);
if (pos < bufend) { /* no trunaction */
printf("%s\n", buf);
}
if (colon == pathend)
break;
path = colon + 1;
}
}
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