[FFmpeg-cvslog] file: implement url_check() callback in the file and pipe protocols
Stefano Sabatini
git at videolan.org
Thu Apr 14 03:24:36 CEST 2011
ffmpeg | branch: master | Stefano Sabatini <stefano.sabatini-lala at poste.it> | Thu Sep 30 13:21:42 2010 +0200| [313176565cf813a1a9cd5b8bc3f59c0b9696390e] | committer: Anton Khirnov
file: implement url_check() callback in the file and pipe protocols
Signed-off-by: Anton Khirnov <anton at khirnov.net>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=313176565cf813a1a9cd5b8bc3f59c0b9696390e
---
libavformat/file.c | 16 ++++++++++++++++
1 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/libavformat/file.c b/libavformat/file.c
index 31067ed..1dcb2c8 100644
--- a/libavformat/file.c
+++ b/libavformat/file.c
@@ -95,6 +95,20 @@ static int file_close(URLContext *h)
return close(fd);
}
+static int file_check(URLContext *h, int mask)
+{
+ struct stat st;
+ int ret = stat(h->filename, &st);
+ if (ret < 0)
+ return AVERROR(errno);
+
+ ret |= st.st_mode&S_IRUSR ? mask&AVIO_RDONLY : 0;
+ ret |= st.st_mode&S_IWUSR ? mask&AVIO_WRONLY : 0;
+ ret |= st.st_mode&S_IWUSR && st.st_mode&S_IRUSR ? mask&AVIO_RDWR : 0;
+
+ return ret;
+}
+
URLProtocol ff_file_protocol = {
.name = "file",
.url_open = file_open,
@@ -103,6 +117,7 @@ URLProtocol ff_file_protocol = {
.url_seek = file_seek,
.url_close = file_close,
.url_get_file_handle = file_get_handle,
+ .url_check = file_check,
};
#endif /* CONFIG_FILE_PROTOCOL */
@@ -137,6 +152,7 @@ URLProtocol ff_pipe_protocol = {
.url_read = file_read,
.url_write = file_write,
.url_get_file_handle = file_get_handle,
+ .url_check = file_check,
};
#endif /* CONFIG_PIPE_PROTOCOL */
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