[FFmpeg-cvslog] fftools/cmdutils: Use av_strstart() instead of strncmp()

[Andreas Rheinhardt]

ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at outlook.com> | Tue Aug 10 20:19:25 2021 +0200| [c66bb56d9aa819ff952eb7159d014c7c3265016a] | committer: Andreas Rheinhardt

fftools/cmdutils: Use av_strstart() instead of strncmp()

This also avoids hardcoding lengths.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=c66bb56d9aa819ff952eb7159d014c7c3265016a
---

 fftools/cmdutils.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/fftools/cmdutils.c b/fftools/cmdutils.c
index 64237a4796..6d0bcd6085 100644
--- a/fftools/cmdutils.c
+++ b/fftools/cmdutils.c
@@ -903,20 +903,18 @@ int opt_loglevel(void *optctx, const char *opt, const char *arg)
         if (!i && !cmd) {
             flags = 0;  /* missing relative prefix, build absolute value */
         }
-        if (!strncmp(token, "repeat", 6)) {
+        if (av_strstart(token, "repeat", &arg)) {
             if (cmd == '-') {
                 flags |= AV_LOG_SKIP_REPEATED;
             } else {
                 flags &= ~AV_LOG_SKIP_REPEATED;
             }
-            arg = token + 6;
-        } else if (!strncmp(token, "level", 5)) {
+        } else if (av_strstart(token, "level", &arg)) {
             if (cmd == '-') {
                 flags &= ~AV_LOG_PRINT_LEVEL;
             } else {
                 flags |= AV_LOG_PRINT_LEVEL;
             }
-            arg = token + 5;
         } else {
             break;
         }