diff options
Diffstat (limited to 'sysdeps/x86_64/x32')
| -rw-r--r-- | sysdeps/x86_64/x32/Makefile | 2 | ||||
| -rw-r--r-- | sysdeps/x86_64/x32/tst-size_t-strncpy.c | 58 |
2 files changed, 59 insertions, 1 deletions
diff --git a/sysdeps/x86_64/x32/Makefile b/sysdeps/x86_64/x32/Makefile index db30283..2a9e20a 100644 --- a/sysdeps/x86_64/x32/Makefile +++ b/sysdeps/x86_64/x32/Makefile @@ -8,7 +8,7 @@ endif ifeq ($(subdir),string) tests += tst-size_t-memchr tst-size_t-memcmp tst-size_t-memcpy \ tst-size_t-memrchr tst-size_t-memset tst-size_t-strncasecmp \ - tst-size_t-strncmp + tst-size_t-strncmp tst-size_t-strncpy endif ifeq ($(subdir),wcsmbs) diff --git a/sysdeps/x86_64/x32/tst-size_t-strncpy.c b/sysdeps/x86_64/x32/tst-size_t-strncpy.c new file mode 100644 index 0000000..4dec71e --- /dev/null +++ b/sysdeps/x86_64/x32/tst-size_t-strncpy.c @@ -0,0 +1,58 @@ +/* Test strncpy with size_t in the lower 32 bits of 64-bit register. + Copyright (C) 2019 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#define TEST_NAME "strncpy" +#include "test-size_t.h" + +IMPL (strncpy, 1) + +typedef char *(*proto_t) (char *, const char*, size_t); + +static void * +__attribute__ ((noinline, noclone)) +do_strncpy (parameter_t a, parameter_t b) +{ + return CALL (&b, a.p, b.p, a.len); +} + +static int +test_main (void) +{ + test_init (); + + parameter_t dest = { { page_size }, buf1 }; + parameter_t src = { { 0 }, buf2 }; + + int ret = 0; + FOR_EACH_IMPL (impl, 0) + { + src.fn = impl->fn; + do_strncpy (dest, src); + int res = strncmp (dest.p, src.p, dest.len); + if (res) + { + error (0, 0, "Wrong result in function %s: %i != 0", + impl->name, res); + ret = 1; + } + } + + return ret ? EXIT_FAILURE : EXIT_SUCCESS; +} + +#include <support/test-driver.c> |