avstring: Expose the simple name match function

Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/libavutil/avstring.c b/libavutil/avstring.c
index 3ea7be0e1d..eb5c95a01c 100644
--- a/libavutil/avstring.c
+++ b/libavutil/avstring.c
@@ -234,6 +234,26 @@ int av_isxdigit(int c)
     return av_isdigit(c) || (c >= 'a' && c <= 'f');
 }
 
+int av_match_name(const char *name, const char *names)
+{
+    const char *p;
+    int len, namelen;
+
+    if (!name || !names)
+        return 0;
+
+    namelen = strlen(name);
+    while ((p = strchr(names, ','))) {
+        len = FFMAX(p - names, namelen);
+        if (!av_strncasecmp(name, names, len))
+            return 1;
+        names = p + 1;
+    }
+    return !av_strcasecmp(name, names);
+}
+
+
+
 #ifdef TEST
 
 int main(void)