lavf: add directory listing API

API allows protocol implementations to provide API that
allows to list directory content.
API is similar to POSIX opendir/readdir/closedir.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 16 insertions, 0 deletions

diff --git a/libavformat/url.c b/libavformat/url.c
index acfb0cf2f0..3a2c78bc52 100644
--- a/libavformat/url.c
+++ b/libavformat/url.c
@@ -145,3 +145,19 @@ void ff_make_absolute_url(char *buf, int size, const char *base,
     }
     av_strlcat(buf, rel, size);
 }
+
+AVIODirEntry *ff_alloc_dir_entry(void)
+{
+    AVIODirEntry *entry = av_mallocz(sizeof(AVIODirEntry));
+    if (entry) {
+        entry->type = AVIO_ENTRY_UNKNOWN;
+        entry->size = -1;
+        entry->modification_timestamp = -1;
+        entry->access_timestamp = -1;
+        entry->status_change_timestamp = -1;
+        entry->user_id = -1;
+        entry->group_id = -1;
+        entry->filemode = -1;
+    }
+    return entry;
+}