The documentation states that av_file_map can only be used for reading and for
WIN32 we are already requesting a read only mapping.
Signed-off-by: Marton Balint <c...@passwd.hu>
---
libavutil/file.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavutil/file.c b/libavutil/file.c
index 24a86c3f35..2153e51379 100644
--- a/libavutil/file.c
+++ b/libavutil/file.c
@@ -86,7 +86,7 @@ int av_file_map(const char *filename, uint8_t **bufptr,
size_t *size,
*size = off_size;
#if HAVE_MMAP
- ptr = mmap(NULL, *size, PROT_READ|PROT_WRITE, MAP_PRIVATE, fd, 0);
+ ptr = mmap(NULL, *size, PROT_READ, MAP_PRIVATE, fd, 0);
if (ptr == MAP_FAILED) {
err = AVERROR(errno);
av_strerror(err, errbuf, sizeof(errbuf));
--
2.16.4
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