Rename util/ to libutil/

libutil/recurse.c

@@ -0,0 +1,42 @@
+/* See LICENSE file for copyright and license details. */
+#include <dirent.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "../util.h"
+
+void
+recurse(const char *path, void (*fn)(const char *))
+{
+	char buf[PATH_MAX];
+	struct dirent *d;
+	struct stat st;
+	DIR *dp;
+
+	if (lstat(path, &st) == -1 || S_ISDIR(st.st_mode) == 0)
+		return;
+
+	if (!(dp = opendir(path)))
+		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);
+	}
+
+	closedir(dp);
+}