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authorStefano Sabatini <stefano.sabatini-lala@poste.it>2010-09-30 13:21:42 +0200
committerAnton Khirnov <anton@khirnov.net>2011-04-13 07:38:18 +0200
commit313176565cf813a1a9cd5b8bc3f59c0b9696390e (patch)
tree205327133a838f11667973e5e9cd3d74c00f34a3 /libavformat/file.c
parent175389c85487822f1ee180ee01cc770df896557f (diff)
file: implement url_check() callback in the file and pipe protocols
Signed-off-by: Anton Khirnov <anton@khirnov.net>
Diffstat (limited to 'libavformat/file.c')
-rw-r--r--libavformat/file.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/libavformat/file.c b/libavformat/file.c
index 31067ede69..1dcb2c8ac5 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 */