1 /**************************************************************************** 2 * 3 * ftstdlib.h 4 * 5 * ANSI-specific library and header configuration file (specification 6 * only). 7 * 8 * Copyright (C) 2002-2021 by 9 * David Turner, Robert Wilhelm, and Werner Lemberg. 10 * 11 * This file is part of the FreeType project, and may only be used, 12 * modified, and distributed under the terms of the FreeType project 13 * license, LICENSE.TXT. By continuing to use, modify, or distribute 14 * this file you indicate that you have read the license and 15 * understand and accept it fully. 16 * 17 */ 18 19 20 /************************************************************************** 21 * 22 * This file is used to group all `#includes` to the ANSI~C library that 23 * FreeType normally requires. It also defines macros to rename the 24 * standard functions within the FreeType source code. 25 * 26 * Load a file which defines `FTSTDLIB_H_` before this one to override it. 27 * 28 */ 29 30 31 #ifndef FTSTDLIB_H_ 32 #define FTSTDLIB_H_ 33 34 35 #include <stddef.h> 36 37 #define ft_ptrdiff_t ptrdiff_t 38 39 40 /************************************************************************** 41 * 42 * integer limits 43 * 44 * `UINT_MAX` and `ULONG_MAX` are used to automatically compute the size of 45 * `int` and `long` in bytes at compile-time. So far, this works for all 46 * platforms the library has been tested on. We also check `ULLONG_MAX` 47 * to see whether we can use 64-bit `long long` later on. 48 * 49 * Note that on the extremely rare platforms that do not provide integer 50 * types that are _exactly_ 16 and 32~bits wide (e.g., some old Crays where 51 * `int` is 36~bits), we do not make any guarantee about the correct 52 * behaviour of FreeType~2 with all fonts. 53 * 54 * In these cases, `ftconfig.h` will refuse to compile anyway with a 55 * message like 'couldn't find 32-bit type' or something similar. 56 * 57 */ 58 59 60 #include <limits.h> 61 62 #define FT_CHAR_BIT CHAR_BIT 63 #define FT_USHORT_MAX USHRT_MAX 64 #define FT_INT_MAX INT_MAX 65 #define FT_INT_MIN INT_MIN 66 #define FT_UINT_MAX UINT_MAX 67 #define FT_LONG_MIN LONG_MIN 68 #define FT_LONG_MAX LONG_MAX 69 #define FT_ULONG_MAX ULONG_MAX 70 #ifdef LLONG_MAX 71 #define FT_LLONG_MAX LLONG_MAX 72 #endif 73 #ifdef LLONG_MIN 74 #define FT_LLONG_MIN LLONG_MIN 75 #endif 76 #ifdef ULLONG_MAX 77 #define FT_ULLONG_MAX ULLONG_MAX 78 #endif 79 80 81 /************************************************************************** 82 * 83 * character and string processing 84 * 85 */ 86 87 88 #include <string.h> 89 90 #define ft_memchr memchr 91 #define ft_memcmp memcmp 92 #define ft_memcpy memcpy 93 #define ft_memmove memmove 94 #define ft_memset memset 95 #define ft_strcat strcat 96 #define ft_strcmp strcmp 97 #define ft_strcpy strcpy 98 #define ft_strlen strlen 99 #define ft_strncmp strncmp 100 #define ft_strncpy strncpy 101 #define ft_strrchr strrchr 102 #define ft_strstr strstr 103 104 105 /************************************************************************** 106 * 107 * file handling 108 * 109 */ 110 111 112 #include <stdio.h> 113 114 #define FT_FILE FILE 115 #define ft_fclose fclose 116 #define ft_fopen fopen 117 #define ft_fread fread 118 #define ft_fseek fseek 119 #define ft_ftell ftell 120 #define ft_sprintf sprintf 121 122 123 /************************************************************************** 124 * 125 * sorting 126 * 127 */ 128 129 130 #include <stdlib.h> 131 132 #define ft_qsort qsort 133 134 135 /************************************************************************** 136 * 137 * memory allocation 138 * 139 */ 140 141 142 #define ft_scalloc calloc 143 #define ft_sfree free 144 #define ft_smalloc malloc 145 #define ft_srealloc realloc 146 147 148 /************************************************************************** 149 * 150 * miscellaneous 151 * 152 */ 153 154 155 #define ft_strtol strtol 156 #define ft_getenv getenv 157 158 159 /************************************************************************** 160 * 161 * execution control 162 * 163 */ 164 165 166 #include <setjmp.h> 167 168 #define ft_jmp_buf jmp_buf /* note: this cannot be a typedef since */ 169 /* `jmp_buf` is defined as a macro */ 170 /* on certain platforms */ 171 172 #define ft_longjmp longjmp 173 #define ft_setjmp( b ) setjmp( *(ft_jmp_buf*) &(b) ) /* same thing here */ 174 175 176 /* The following is only used for debugging purposes, i.e., if */ 177 /* `FT_DEBUG_LEVEL_ERROR` or `FT_DEBUG_LEVEL_TRACE` are defined. */ 178 179 #include <stdarg.h> 180 181 182 #endif /* FTSTDLIB_H_ */ 183 184 185 /* END */ 186