first commit

include/libmu/recurse.h

@@ -0,0 +1,54 @@
+#ifndef _RECURSE_H
+#define _RECURSE_H
+
+#include <stdio.h>
+#include <dirent.h>
+#include <string.h>
+#include "make_path.h"
+#include "get_stat.h"
+
+int mu_recurse(const char *restrict prog_name, int link_flag, const char *restrict path, void *restrict arg, int (*file_act)(const char *path, void *p), int (*dir_act)(const char *path, void *p)) {
+
+	struct stat sb;
+	if (mu_get_stats(prog_name, link_flag, path, &sb))
+		return 1;
+
+	if (!S_ISDIR(sb.st_mode) || S_ISLNK(sb.st_mode)) {
+		if (file_act != NULL)
+			return file_act(path, arg);
+	}
+
+	DIR *dir = opendir(path);
+	if (dir == NULL) {
+		if (prog_name != NULL)
+			fprintf(stderr, "%s: %s: Can`t open directory\n", prog_name, path);
+
+		return 1;
+	}
+
+	int ret = 0;
+
+	struct dirent *ep;
+	while ((ep = readdir(dir)) != NULL) {
+		if (!strcmp(ep->d_name, ".") || !strcmp(ep->d_name, ".."))
+			continue;
+
+		char *full_path = mu_make_path(prog_name, path, ep->d_name);
+		if (full_path == NULL)
+			continue;
+
+		if (mu_recurse(prog_name, link_flag, full_path, arg, file_act, dir_act))
+			ret = 1;
+
+		free(full_path);
+	}
+
+	closedir(dir);
+	if (dir_act != NULL)
+		if (dir_act(path, arg))
+			ret = 1;
+
+	return ret;
+}
+
+#endif