Use a #pragma to suppress a bogus GCC 10 warning instead of an assert [BZ 27832].

Reviewed-by: fweimer@redhat.com
This commit is contained in:
Martin Sebor 2021-05-10 14:26:42 -06:00
parent 3c38f69462
commit 30685597a4

View File

@ -792,7 +792,13 @@ write_output (int fd)
+ nhashentries_total * sizeof (stridx_t)));
header->allocate = file_offset;
/* Help GCC 10 see iov_nelts doesn't overflow the writev argument. */
#if __GNUC_PREREQ (10, 0) && !__GNUC_PREREQ (11, 0)
DIAG_PUSH_NEEDS_COMMENT;
/* Avoid GCC 10 false positive warning: specified size exceeds maximum
object size. */
DIAG_IGNORE_NEEDS_COMMENT (10, "-Wstringop-overflow");
#endif
assert (iov_nelts <= INT_MAX);
if (writev (fd, iov, iov_nelts) != keydataoffset)
{
@ -800,6 +806,10 @@ write_output (int fd)
return EXIT_FAILURE;
}
#if __GNUC_PREREQ (10, 0) && !__GNUC_PREREQ (11, 0)
DIAG_POP_NEEDS_COMMENT;
#endif
return EXIT_SUCCESS;
}