workbench/libs/mesa/src/glsl/strtod.c

   1 /*
   2  * Copyright 2010 VMware, Inc.
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sub license, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the
  14  * next paragraph) shall be included in all copies or substantial portions
  15  * of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  20  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  21  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  22  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  23  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  */
  25
  26
  27 #include <stdlib.h>
  28
  29 #ifdef _GNU_SOURCE
  30 #include <locale.h>
  31 #ifdef __APPLE__
  32 #include <xlocale.h>
  33 #endif
  34 #endif
  35
  36 #include "strtod.h"
  37
  38
  39
  40 /**
  41  * Wrapper around strtod which uses the "C" locale so the decimal
  42  * point is always '.'
  43  */
  44 double
  45 glsl_strtod(const char *s, char **end)
  46 {
  47 #if defined(_GNU_SOURCE) && !defined(__CYGWIN__) && !defined(__FreeBSD__)
  48    static locale_t loc = NULL;
  49    if (!loc) {
  50       loc = newlocale(LC_CTYPE_MASK, "C", NULL);
  51    }
  52    return strtod_l(s, end, loc);
  53 #else
  54    return strtod(s, end);
  55 #endif
  56 }