Add a function to convert a number to a av_malloced string.

Originally committed as revision 20829 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 6 insertions, 0 deletions

diff --git a/libavutil/avstring.c b/libavutil/avstring.c
index 8ee2a6b12f..b77b1605ab 100644
--- a/libavutil/avstring.c
+++ b/libavutil/avstring.c
@@ -76,3 +76,9 @@ size_t av_strlcatf(char *dst, size_t size, const char *fmt, ...)
 
     return len;
 }
+
+char *av_d2str(double d){
+    char *str= av_malloc(16);
+    if(str) snprintf(str, 16, "%f", d);
+    return str;
+}