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mmap() fails for size == 0 with EINVAL unless the mapping is anonymous.

This commit is contained in:
mlelstv 2023-12-11 09:26:08 +00:00
parent 096391dfcd
commit d233f49979
1 changed files with 5 additions and 5 deletions
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10
tests/dev/audio/audiotest.c
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@ -1,4 +1,4 @@
/* $NetBSD: audiotest.c,v 1.31 2023/08/03 08:36:38 rin Exp $ */
/* $NetBSD: audiotest.c,v 1.32 2023/12/11 09:26:08 mlelstv Exp $ */
/*
* Copyright (C) 2019 Tetsuya Isaki. All rights reserved.
@ -26,7 +26,7 @@
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: audiotest.c,v 1.31 2023/08/03 08:36:38 rin Exp $");
__RCSID("$NetBSD: audiotest.c,v 1.32 2023/12/11 09:26:08 mlelstv Exp $");
#include <errno.h>
#include <fcntl.h>
@ -2773,13 +2773,13 @@ test_mmap_len(size_t len, off_t offset, int exp)
reset_after_mmap();
}
#define f(l, o, e) test_mmap_len(l, o, e)
DEF(mmap_len_0) { f(0, 0, 0); } /* len is 0 */
DEF(mmap_len_0) { f(0, 0, EINVAL); } /* len is 0 */
DEF(mmap_len_1) { f(1, 0, 0); } /* len is smaller than lsize */
DEF(mmap_len_2) { f(LS, 0, 0); } /* len is the same as lsize */
DEF(mmap_len_3) { f(LS1, 0, EOVERFLOW); } /* len is larger */
DEF(mmap_len_4) { f(0, -1, EINVAL); } /* offset is negative */
DEF(mmap_len_5) { f(0, LS, 0); } /* pointless param but ok */
DEF(mmap_len_6) { f(0, LS1, EOVERFLOW); } /* exceed */
DEF(mmap_len_5) { f(0, LS, EINVAL); } /* len is 0 */
DEF(mmap_len_6) { f(0, LS1, EINVAL); } /* len is 0 */
DEF(mmap_len_7) { f(1, LS, EOVERFLOW); } /* exceed */
/*
* When you treat the offset as 32bit, offset will be 0 and thus it