xz: Fix assertion related to posix_fadvise().
Input file can be a FIFO or something else that doesn't
support posix_fadvise() so don't check the return value
even with an assertion. Nothing bad happens if the call
to posix_fadvise() fails.
diff --git a/src/xz/file_io.c b/src/xz/file_io.c
index f9807a6..61b10f9 100644
--- a/src/xz/file_io.c
+++ b/src/xz/file_io.c
@@ -511,14 +511,8 @@
#endif
#ifdef HAVE_POSIX_FADVISE
- const int fadvise_ret = posix_fadvise(
- pair->src_fd, 0, 0, POSIX_FADV_SEQUENTIAL);
-
- // It shouldn't fail, but if it does anyway, it doesn't matter.
- // Check it with an assertion so that if something gets messed
- // up in the future, it will get caught when debugging is enabled.
- assert(fadvise_ret == 0);
- (void)fadvise_ret;
+ // It will fail with some special files like FIFOs but that is fine.
+ (void)posix_fadvise(pair->src_fd, 0, 0, POSIX_FADV_SEQUENTIAL);
#endif
return false;
