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annotate include/SDL_stdlib.h @ 1341:d02b552e5304

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Configure dynamically generates SDL_config.h I'm still wrestling with autoheader, but this should work for now... Fixed lots of build problems with C library support disabled
author Sam Lantinga <slouken@libsdl.org>
date Tue, 07 Feb 2006 12:11:33 +0000
parents 3692456e7b0f
children 7ba544e2888d
rev   line source
1330
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 #ifndef _SDL_stdlib_h
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24 #define _SDL_stdlib_h
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25
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26 #include "SDL_config.h"
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27
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28 /* AIX requires this to be the first thing in the file. */
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29 #ifndef __GNUC__
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30 # if HAVE_ALLOCA_H
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31 # include <alloca.h>
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32 # else
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33 # ifdef _AIX
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34 #pragma alloca
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35 # else
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36 # ifndef alloca /* predefined by HP cc +Olibcalls */
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37 char *alloca ();
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38 # endif
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39 # endif
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40 # endif
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41 #endif
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42
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43 #ifdef HAVE_STDLIB_H
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44 #include <stdlib.h>
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45 #endif
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46
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47 #ifdef HAVE_MALLOC_H
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48 #include <malloc.h>
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49 #endif
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50
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51 #include "SDL_types.h"
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52
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53 #include "begin_code.h"
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54 /* Set up for C function definitions, even when using C++ */
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55 #ifdef __cplusplus
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56 extern "C" {
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57 #endif
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58
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59 #ifdef HAVE_MALLOC
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60 #define SDL_malloc malloc
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61 #else
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62 extern DECLSPEC void * SDLCALL SDL_malloc(size_t size);
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63 #endif
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64
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65 #ifdef HAVE_CALLOC
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66 #define SDL_calloc calloc
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67 #else
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68 extern DECLSPEC void * SDLCALL SDL_calloc(size_t nmemb, size_t size);
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69 #endif
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70
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71 #ifdef HAVE_REALLOC
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72 #define SDL_realloc realloc
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73 #else
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74 extern DECLSPEC void * SDLCALL SDL_realloc(void *mem, size_t size);
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75 #endif
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76
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77 #ifdef HAVE_FREE
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78 #define SDL_free free
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79 #else
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80 extern DECLSPEC void SDLCALL SDL_free(void *mem);
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81 #endif
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82
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83 #ifdef HAVE_ALLOCA
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84 #define SDL_stack_alloc(type, count) (type*)alloca(sizeof(type)*count)
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85 #define SDL_stack_free(data)
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86 #else
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87 #define SDL_stack_alloc(type, count) (type*)SDL_malloc(sizeof(type)*count)
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88 #define SDL_stack_free(data) SDL_free(data)
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89 #endif
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90
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91 #ifdef HAVE_GETENV
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92 #define SDL_getenv getenv
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93 #else
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94 extern DECLSPEC char * SDLCALL SDL_getenv(const char *name);
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95 #endif
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96
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97 #ifdef HAVE_PUTENV
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98 #define SDL_putenv putenv
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99 #else
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100 extern DECLSPEC int SDLCALL SDL_putenv(const char *variable);
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101 #endif
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102
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103 #ifdef HAVE_QSORT
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104 #define SDL_qsort qsort
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105 #else
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106 extern DECLSPEC void SDLCALL SDL_qsort(void *base, size_t nmemb, size_t size,
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107 int (*compare)(const void *, const void *));
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108 #endif
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109
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110 #ifdef HAVE_ABS
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111 #define SDL_abs abs
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112 #else
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113 #define SDL_abs(X) ((X) < 0 ? -(X) : (X))
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114 #endif
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115
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116 /* Ends C function definitions when using C++ */
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117 #ifdef __cplusplus
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118 }
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119 #endif
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120 #include "close_code.h"
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121
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122 #endif /* _SDL_stdlib_h */