konfs: kon_fsWalk and kon_fsIsAbsolute

1 files changed, 44 insertions, 0 deletions

diff --git a/kon/konfs.h b/kon/konfs.h
index 6fd4c64..9c45e72 100644
--- a/kon/konfs.h
+++ b/kon/konfs.h
@@ -76,6 +76,12 @@ void kon_fsJoin(char *out, size_t size, const char *dir, const char *name);
    Windows is "" */
 int kon_fsParent(char *path);
 
+/* every file in dir and in the folders inside it, as paths from dir with /. folders are not in the list. sorted by name. returns 0 when dir cannot be read */
+int kon_fsWalk(const char *dir, kon_fsList_t *list);
+
+/* 1 when path starts at a root: / or X:/ */
+int kon_fsIsAbsolute(const char *path);
+
 /* the last part of path */
 const char *kon_fsBaseName(const char *path);
 
@@ -349,4 +355,42 @@ int kon_fsRead(const char *dir, kon_fsList_t *list)
 
 #endif /* _WIN32 */
 
+int kon_fsIsAbsolute(const char *path)
+{
+	return kon_fsRootLength_(path) > 0;
+}
+
+static int kon_fsWalk_(const char *base, const char *rel, int depth, kon_fsList_t *out)
+{
+	kon_fsList_t list;
+	char path[KON_FS_PATH], name[KON_FS_PATH];
+	size_t i;
+	int ok = 1;
+
+	if (depth > 32) return 1;
+	kon_fsJoin(path, sizeof(path), base, rel);
+	if (!kon_fsRead(path, &list)) {
+		kon_fsFree(&list);
+		return 0;
+	}
+	for (i = 0; i < list.count && ok; i++) {
+		kon_fsJoin(name, sizeof(name), rel, list.items[i].name);
+		if (list.items[i].isDir) ok = kon_fsWalk_(base, name, depth + 1, out);
+		else ok = kon_fsPush_(out, name, 0, list.items[i].size);
+	}
+	kon_fsFree(&list);
+	return ok;
+}
+
+int kon_fsWalk(const char *dir, kon_fsList_t *list)
+{
+	memset(list, 0, sizeof(*list));
+	if (!kon_fsWalk_(dir, "", 0, list)) {
+		kon_fsFree(list);
+		return 0;
+	}
+	if (list->count > 1) qsort(list->items, list->count, sizeof(kon_fsEntry_t), kon_fsCompare_);
+	return 1;
+}
+
 #endif /* KONFS_IMPLEMENTATION */