Only write to wav files that were opened to be written to.

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@330203 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/formats/format_wav.c b/formats/format_wav.c
index f8f8a9cf549866dafec7be6eced5e45e277ce998..023cd4037689e387319b66a1a8a8eccd69f0b7da 100644 (file)
--- a/formats/format_wav.c
+++ b/formats/format_wav.c
@@ -340,6 +340,10 @@ static void wav_close(struct ast_filestream *s)
        char zero = 0;
        struct wav_desc *fs = (struct wav_desc *)s->_private;
 
+       if ((s->mode & O_RDONLY) == O_RDONLY) {
+               return;
+       }
+
        if (s->filename) {
                update_header(s->f);
        }