On failure, mmap() returns MAP_FAILED, which may or may not be -1.
Signed-off-by: Mans Rullgard <[email protected]>
---
libavutil/file.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/libavutil/file.c b/libavutil/file.c
index 3dcce7c..f0e48b5 100644
--- a/libavutil/file.c
+++ b/libavutil/file.c
@@ -75,7 +75,7 @@ int av_file_map(const char *filename, uint8_t **bufptr,
size_t *size,
#if HAVE_MMAP
ptr = mmap(NULL, *size, PROT_READ|PROT_WRITE, MAP_PRIVATE, fd, 0);
- if ((int)(ptr) == -1) {
+ if (ptr == MAP_FAILED) {
err = AVERROR(errno);
av_strerror(err, errbuf, sizeof(errbuf));
av_log(&file_log_ctx, AV_LOG_ERROR, "Error occurred in mmap(): %s\n",
errbuf);
--
1.7.5.3
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