[FFmpeg-devel] [PATCH 2/3] Implement url_check() in the file and pipe protocols.

[Stefano Sabatini]

---
 libavformat/file.c |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/libavformat/file.c b/libavformat/file.c
index 3c3f42f..ba6037d 100644
--- a/libavformat/file.c
+++ b/libavformat/file.c
@@ -94,6 +94,16 @@ static int file_close(URLContext *h)
     return close(fd);
 }
 
+static int file_check(URLContext *h, int flags)
+{
+    struct stat st;
+    int ret = stat(h->filename, &st);
+    if (ret < 0)
+        return AVERROR(errno);
+
+    return !!(st.st_mode & flags);
+}
+
 URLProtocol file_protocol = {
     "file",
     file_open,
@@ -102,6 +112,7 @@ URLProtocol file_protocol = {
     file_seek,
     file_close,
     .url_get_file_handle = file_get_handle,
+    .url_check = file_check,
 };
 
 #endif /* CONFIG_FILE_PROTOCOL */
@@ -136,6 +147,7 @@ URLProtocol pipe_protocol = {
     file_read,
     file_write,
     .url_get_file_handle = file_get_handle,
+    .url_check = file_check,
 };
 
 #endif /* CONFIG_PIPE_PROTOCOL */
-- 
1.7.1