git: 3935c58c2157 - stable/13 - Have stpncpy tests ask the kernel for the page size
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Date: Tue, 03 May 2022 14:04:45 UTC
The branch stable/13 has been updated by andrew: URL: https://cgit.FreeBSD.org/src/commit/?id=3935c58c2157388f973d24495d4187ce4bfbd379 commit 3935c58c2157388f973d24495d4187ce4bfbd379 Author: Andrew Turner <andrew@FreeBSD.org> AuthorDate: 2022-04-07 15:05:57 +0000 Commit: Andrew Turner <andrew@FreeBSD.org> CommitDate: 2022-05-03 14:04:04 +0000 Have stpncpy tests ask the kernel for the page size It may be dynamic so we can't rely on PAGE_SIZE being present or correct. (cherry picked from commit 748f7c8db756361f3ba43623612fcfd13cece268) --- lib/libc/tests/string/stpncpy_test.c | 13 ++++++++----- lib/libc/tests/string/wcsnlen_test.c | 13 ++++++++----- 2 files changed, 16 insertions(+), 10 deletions(-) diff --git a/lib/libc/tests/string/stpncpy_test.c b/lib/libc/tests/string/stpncpy_test.c index 0a7b1d28e9c1..618fa7d0a2ce 100644 --- a/lib/libc/tests/string/stpncpy_test.c +++ b/lib/libc/tests/string/stpncpy_test.c @@ -40,16 +40,19 @@ static char * makebuf(size_t len, int guard_at_end) { char *buf; - size_t alloc_size = roundup2(len, PAGE_SIZE) + PAGE_SIZE; + size_t alloc_size, page_size; + + page_size = getpagesize(); + alloc_size = roundup2(len, page_size) + page_size; buf = mmap(NULL, alloc_size, PROT_READ | PROT_WRITE, MAP_ANON, -1, 0); assert(buf); if (guard_at_end) { - assert(munmap(buf + alloc_size - PAGE_SIZE, PAGE_SIZE) == 0); - return (buf + alloc_size - PAGE_SIZE - len); + assert(munmap(buf + alloc_size - page_size, page_size) == 0); + return (buf + alloc_size - page_size - len); } else { - assert(munmap(buf, PAGE_SIZE) == 0); - return (buf + PAGE_SIZE); + assert(munmap(buf, page_size) == 0); + return (buf + page_size); } } diff --git a/lib/libc/tests/string/wcsnlen_test.c b/lib/libc/tests/string/wcsnlen_test.c index 07870e3a5ca0..7bcd046de5af 100644 --- a/lib/libc/tests/string/wcsnlen_test.c +++ b/lib/libc/tests/string/wcsnlen_test.c @@ -41,16 +41,19 @@ static void * makebuf(size_t len, int guard_at_end) { char *buf; - size_t alloc_size = roundup2(len, PAGE_SIZE) + PAGE_SIZE; + size_t alloc_size, page_size; + + page_size = getpagesize(); + alloc_size = roundup2(len, page_size) + page_size; buf = mmap(NULL, alloc_size, PROT_READ | PROT_WRITE, MAP_ANON, -1, 0); ATF_CHECK(buf); if (guard_at_end) { - ATF_CHECK(munmap(buf + alloc_size - PAGE_SIZE, PAGE_SIZE) == 0); - return (buf + alloc_size - PAGE_SIZE - len); + ATF_CHECK(munmap(buf + alloc_size - page_size, page_size) == 0); + return (buf + alloc_size - page_size - len); } else { - ATF_CHECK(munmap(buf, PAGE_SIZE) == 0); - return (buf + PAGE_SIZE); + ATF_CHECK(munmap(buf, page_size) == 0); + return (buf + page_size); } }