add chown

util/recurse.c

@@ -0,0 +1,40 @@
+/* See LICENSE file for copyright and license details. */
+#include <dirent.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include "../util.h"
+
+void
+recurse(const char *path, void (*fn)(const char *))
+{
+	char *buf;
+	long size;
+	struct dirent *d;
+	DIR *dp;
+
+	if(!(dp = opendir(path))) {
+		if(errno == ENOTDIR)
+			return;
+		else
+			eprintf("opendir %s:", path);
+	}
+	if((size = pathconf(".", _PC_PATH_MAX)) < 0)
+		size = BUFSIZ;
+	if(!(buf = malloc(size)))
+		eprintf("malloc:");
+	if(!getcwd(buf, size))
+		eprintf("getcwd:");
+	if(chdir(path) != 0)
+		eprintf("chdir %s:", path);
+	while((d = readdir(dp)))
+		if(strcmp(d->d_name, ".") && strcmp(d->d_name, ".."))
+			fn(d->d_name);
+
+	closedir(dp);
+	if(chdir(buf) != 0)
+		eprintf("chdir %s:", buf);
+	free(buf);
+}