[FFmpeg-devel] [PATCH 06/25] avfilter/graphdump: Don't return truncated string

Andreas Rheinhardt andreas.rheinhardt at outlook.com
Fri Aug 27 17:27:06 EEST 2021


Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>
---
 libavfilter/graphdump.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/libavfilter/graphdump.c b/libavfilter/graphdump.c
index cf3296550c..099125bea8 100644
--- a/libavfilter/graphdump.c
+++ b/libavfilter/graphdump.c
@@ -159,8 +159,10 @@ char *avfilter_graph_dump(AVFilterGraph *graph, const char *options)
 
     av_bprint_init(&buf, 0, AV_BPRINT_SIZE_COUNT_ONLY);
     avfilter_graph_dump_to_buf(&buf, graph);
-    av_bprint_init(&buf, buf.len + 1, buf.len + 1);
+    dump = av_malloc(buf.len + 1);
+    if (!dump)
+        return NULL;
+    av_bprint_init_for_buffer(&buf, dump, buf.len + 1);
     avfilter_graph_dump_to_buf(&buf, graph);
-    av_bprint_finalize(&buf, &dump);
     return dump;
 }
-- 
2.30.2



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