Declare the url_write buffer parameter as const

Originally committed as revision 23401 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 2 insertions, 2 deletions

diff --git a/libavformat/avio.h b/libavformat/avio.h
index 9ffe935675..2b15e8d76b 100644
--- a/libavformat/avio.h
+++ b/libavformat/avio.h
@@ -112,7 +112,7 @@ int url_read(URLContext *h, unsigned char *buf, int size);
  * certain there was either an error or the end of file was reached.
  */
 int url_read_complete(URLContext *h, unsigned char *buf, int size);
-int url_write(URLContext *h, unsigned char *buf, int size);
+int url_write(URLContext *h, const unsigned char *buf, int size);
 
 /**
  * Changes the position that will be used by the next read/write
@@ -224,7 +224,7 @@ typedef struct URLProtocol {
     const char *name;
     int (*url_open)(URLContext *h, const char *url, int flags);
     int (*url_read)(URLContext *h, unsigned char *buf, int size);
-    int (*url_write)(URLContext *h, unsigned char *buf, int size);
+    int (*url_write)(URLContext *h, const unsigned char *buf, int size);
     int64_t (*url_seek)(URLContext *h, int64_t pos, int whence);
     int (*url_close)(URLContext *h);
     struct URLProtocol *next;