1 files changed, 4 insertions, 0 deletions
diff --git a/libavutil/hash.c b/libavutil/hash.c
index 7037b0d6ff..75edb6db78 100644
--- a/libavutil/hash.c
+++ b/libavutil/hash.c
@@ -155,7 +155,11 @@ void av_hash_init(AVHashContext *ctx)
     }
 }
 
+#if FF_API_CRYPTO_SIZE_T
 void av_hash_update(AVHashContext *ctx, const uint8_t *src, int len)
+#else
+void av_hash_update(AVHashContext *ctx, const uint8_t *src, size_t len)
+#endif
 {
     switch (ctx->type) {
     case MD5:     av_md5_update(ctx->ctx, src, len); break;