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author | Frederic Berat <fberat@redhat.com> | 2023-06-20 20:18:53 +0200 |
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committer | Siddhesh Poyarekar <siddhesh@sourceware.org> | 2023-06-22 00:20:55 -0400 |
commit | 427dbaee86bcec31ba2fe9a42f32842cf17c4e77 (patch) | |
tree | a14fb2e6e3691af6042de4a4de9454176527f756 /stdio-common/tst-vfprintf-mbs-prec.c | |
parent | 1bc85effd549ae42318b37555a4c76ebc479b92a (diff) | |
download | glibc-427dbaee86bcec31ba2fe9a42f32842cf17c4e77.tar.gz glibc-427dbaee86bcec31ba2fe9a42f32842cf17c4e77.tar.xz glibc-427dbaee86bcec31ba2fe9a42f32842cf17c4e77.zip |
stdio-common: tests: Incorrect maxlen parameter for swprintf
Few tests using swprintf are passing incorrect maxlen parameter. This triggers an abort when _FORTIFY_SOURCE is enabled. Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Diffstat (limited to 'stdio-common/tst-vfprintf-mbs-prec.c')
-rw-r--r-- | stdio-common/tst-vfprintf-mbs-prec.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/stdio-common/tst-vfprintf-mbs-prec.c b/stdio-common/tst-vfprintf-mbs-prec.c index 38350ed60f..41c4139f21 100644 --- a/stdio-common/tst-vfprintf-mbs-prec.c +++ b/stdio-common/tst-vfprintf-mbs-prec.c @@ -441,7 +441,8 @@ test_mbs_long (const char *mbs, const wchar_t *wide, const size_t *length) static void test_wide_long (const char *mbs, const wchar_t *wide, const size_t *length) { - wchar_t buf[2000]; +#define BUF_SIZE 2000 + wchar_t buf[BUF_SIZE]; _Static_assert (sizeof (buf) > sizeof (wchar_t) * WIDE_STRING_LENGTH, "buffer size consistent with string length"); const wchar_t *suffix = L"||TERM"; @@ -450,13 +451,13 @@ test_wide_long (const char *mbs, const wchar_t *wide, const size_t *length) /* Test formatting of the entire string. */ { - int ret = swprintf (buf, sizeof (buf), L"%s%ls", mbs, suffix); + int ret = swprintf (buf, BUF_SIZE, L"%s%ls", mbs, suffix); TEST_VERIFY (ret == WIDE_STRING_LENGTH + wcslen (suffix)); TEST_VERIFY (wmemcmp (buf, wide, WIDE_STRING_LENGTH) == 0); TEST_VERIFY (wcscmp (buf + WIDE_STRING_LENGTH, suffix) == 0); /* Left-justified string, printed in full. */ - ret = swprintf (buf, sizeof (buf), L"%-1500s%ls", mbs, suffix); + ret = swprintf (buf, BUF_SIZE, L"%-1500s%ls", mbs, suffix); TEST_VERIFY (ret == 1500 + wcslen (suffix)); TEST_VERIFY (wmemcmp (buf, wide, WIDE_STRING_LENGTH) == 0); for (size_t i = WIDE_STRING_LENGTH; i < 1500; ++i) @@ -464,7 +465,7 @@ test_wide_long (const char *mbs, const wchar_t *wide, const size_t *length) TEST_VERIFY (wcscmp (buf + 1500, suffix) == 0); /* Right-justified string, printed in full. */ - ret = swprintf (buf, sizeof (buf), L"%1500s%ls", mbs, suffix); + ret = swprintf (buf, BUF_SIZE, L"%1500s%ls", mbs, suffix); TEST_VERIFY (ret == 1500 + wcslen (suffix)); size_t padding = 1500 - WIDE_STRING_LENGTH; for (size_t i = 0; i < padding; ++i) @@ -484,14 +485,14 @@ test_wide_long (const char *mbs, const wchar_t *wide, const size_t *length) printf ("info: %s: wide_len=%d actual_wide_len=%zu\n", __func__, wide_len, actual_wide_len); - int ret = swprintf (buf, sizeof (buf), L"%.*s%ls", + int ret = swprintf (buf, BUF_SIZE, L"%.*s%ls", wide_len, mbs, suffix); TEST_VERIFY (ret == actual_wide_len + wcslen (suffix)); TEST_VERIFY (wmemcmp (buf, wide, actual_wide_len) == 0); TEST_VERIFY (wcscmp (buf + actual_wide_len, suffix) == 0); /* Left-justified string, printed in full. */ - ret = swprintf (buf, sizeof (buf), L"%-1500.*s%ls", + ret = swprintf (buf, BUF_SIZE, L"%-1500.*s%ls", wide_len, mbs, suffix); TEST_VERIFY (ret == 1500 + wcslen (suffix)); TEST_VERIFY (wmemcmp (buf, wide, actual_wide_len) == 0); @@ -500,7 +501,7 @@ test_wide_long (const char *mbs, const wchar_t *wide, const size_t *length) TEST_VERIFY (wcscmp (buf + 1500, suffix) == 0); /* Right-justified string, printed in full. */ - ret = swprintf (buf, sizeof (buf), L"%1500.*s%ls", + ret = swprintf (buf, BUF_SIZE, L"%1500.*s%ls", wide_len, mbs, suffix); TEST_VERIFY (ret == 1500 + wcslen (suffix)); size_t padding = 1500 - actual_wide_len; |