Cody Northrop | 0d5881e | 2014-09-17 14:06:55 -0600 | [diff] [blame] | 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 | #if defined(_GNU_SOURCE) && !defined(__CYGWIN__) && !defined(__FreeBSD__) && \ |
| 39 | !defined(__HAIKU__) && !defined(__UCLIBC__) |
| 40 | #define GLSL_HAVE_LOCALE_T |
| 41 | #endif |
| 42 | |
| 43 | #ifdef GLSL_HAVE_LOCALE_T |
| 44 | static struct locale_initializer { |
| 45 | locale_initializer() { loc = newlocale(LC_CTYPE_MASK, "C", NULL); } |
| 46 | locale_t loc; |
| 47 | } loc_init; |
| 48 | #endif |
| 49 | |
| 50 | |
| 51 | /** |
| 52 | * Wrapper around strtod which uses the "C" locale so the decimal |
| 53 | * point is always '.' |
| 54 | */ |
| 55 | double |
| 56 | glsl_strtod(const char *s, char **end) |
| 57 | { |
| 58 | #ifdef GLSL_HAVE_LOCALE_T |
| 59 | return strtod_l(s, end, loc_init.loc); |
| 60 | #else |
| 61 | return strtod(s, end); |
| 62 | #endif |
| 63 | } |
| 64 | |
| 65 | |
| 66 | /** |
| 67 | * Wrapper around strtof which uses the "C" locale so the decimal |
| 68 | * point is always '.' |
| 69 | */ |
| 70 | float |
| 71 | glsl_strtof(const char *s, char **end) |
| 72 | { |
| 73 | #ifdef GLSL_HAVE_LOCALE_T |
| 74 | return strtof_l(s, end, loc_init.loc); |
| 75 | #elif _XOPEN_SOURCE >= 600 || _ISOC99_SOURCE |
| 76 | return strtof(s, end); |
| 77 | #else |
| 78 | return (float) strtod(s, end); |
| 79 | #endif |
| 80 | } |