avutil/common: Add FF_PTR_ADD()

Suggested-by: Andreas Rheinhardt Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit 522a5259e9cc17faf1f83c9cfb93c960a2ecf8a2) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-03-15 09:47:43 +01:00 · 2021-03-15 09:47:43 +01:00 · 135b6f1e2c
commit 135b6f1e2c
parent ff66fe2363
1 changed files with 2 additions and 0 deletions
--- a/libavutil/internal.h
+++ b/libavutil/internal.h
@ -173,6 +173,8 @@
    }\
 }

+#define FF_PTR_ADD(ptr, off) ((off) ? (ptr) + (off) : (ptr))
+
 #include "libm.h"

 /**