Mercurial > gnulib
view tests/test-strtold1.c @ 40212:8da9577294da
unistr/*, uniconv/*: Fix undefined behaviour.
Reported by Jeffrey Walton <noloader@gmail.com>.
* lib/unistr/u-cpy.h (FUNC): Don't invoke memcpy with a zero size.
* lib/unistr/u-cpy-alloc.h (FUNC): Likewise.
* lib/uniconv/u8-conv-from-enc.c (u8_conv_from_encoding): Likewise.
* lib/uniconv/u8-conv-to-enc.c (u8_conv_to_encoding): Likewise.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sat, 09 Mar 2019 00:01:47 +0100 |
parents | 31ab89a208b9 |
children |
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/* Test of strtold() in a French locale. Copyright (C) 2019 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. */ #include <config.h> #include <stdlib.h> #include <errno.h> #include <locale.h> #include "macros.h" int main (int argc, char *argv[]) { /* Try to set the locale by implicitly looking at the LC_ALL environment variable. configure should already have checked that the locale is supported. */ if (setlocale (LC_ALL, "") == NULL) return 1; { const char input[] = "1,"; char *ptr; long double result; errno = 0; result = strtold (input, &ptr); ASSERT (result == 1.0L); ASSERT (ptr == input + 2); ASSERT (errno == 0); } { const char input[] = ",5"; char *ptr; long double result; errno = 0; result = strtold (input, &ptr); ASSERT (result == 0.5L); ASSERT (ptr == input + 2); ASSERT (errno == 0); } { const char input[] = "1,5"; char *ptr; long double result; errno = 0; result = strtold (input, &ptr); ASSERT (result == 1.5L); ASSERT (ptr == input + 3); ASSERT (errno == 0); } { const char input[] = "1.5"; char *ptr; long double result; errno = 0; result = strtold (input, &ptr); ASSERT (result == 1.0L); ASSERT (ptr == input + 1); ASSERT (errno == 0); } { const char input[] = "123.456,789"; char *ptr; long double result; errno = 0; result = strtold (input, &ptr); ASSERT (result == 123.0L); ASSERT (ptr == input + 3); ASSERT (errno == 0); } { const char input[] = "123,456.789"; char *ptr; long double result; errno = 0; result = strtold (input, &ptr); ASSERT (result > 123.45L && result < 123.46L); ASSERT (ptr == input + 7); ASSERT (errno == 0); } return 0; }