sbase/libutil/recurse.c

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/* See LICENSE file for copyright and license details. */
#include <dirent.h>
#include <limits.h>
#include <stdio.h>
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#include <stdlib.h>
#include <string.h>
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#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
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#include "../util.h"
void
recurse(const char *path, void (*fn)(const char *, int), int follow)
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{
char buf[PATH_MAX];
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struct dirent *d;
struct stat lst, st;
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DIR *dp;
if (lstat(path, &lst) < 0 || stat(path, &st) < 0 ||
!(S_ISDIR(lst.st_mode) ||
(follow != 'P' && S_ISLNK(lst.st_mode) && S_ISDIR(st.st_mode))))
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return;
if (!(dp = opendir(path)))
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eprintf("opendir %s:", path);
while ((d = readdir(dp))) {
if (strcmp(d->d_name, ".") == 0 ||
strcmp(d->d_name, "..") == 0)
continue;
if (strlcpy(buf, path, sizeof(buf)) >= sizeof(buf))
eprintf("path too long\n");
if (buf[strlen(buf) - 1] != '/')
if (strlcat(buf, "/", sizeof(buf)) >= sizeof(buf))
eprintf("path too long\n");
if (strlcat(buf, d->d_name, sizeof(buf)) >= sizeof(buf))
eprintf("path too long\n");
fn(buf, follow == 'H' ? 'P' : follow);
}
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closedir(dp);
}