176 lines
4.2 KiB
C
176 lines
4.2 KiB
C
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/****************************************************************************
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*
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* ftstdlib.h
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*
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* ANSI-specific library and header configuration file (specification
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* only).
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*
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* Copyright (C) 2002-2020 by
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* David Turner, Robert Wilhelm, and Werner Lemberg.
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*
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* This file is part of the FreeType project, and may only be used,
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* modified, and distributed under the terms of the FreeType project
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* license, LICENSE.TXT. By continuing to use, modify, or distribute
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* this file you indicate that you have read the license and
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* understand and accept it fully.
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*
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*/
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/**************************************************************************
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*
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* This file is used to group all `#includes` to the ANSI~C library that
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* FreeType normally requires. It also defines macros to rename the
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* standard functions within the FreeType source code.
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*
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* Load a file which defines `FTSTDLIB_H_` before this one to override it.
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*
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*/
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#ifndef FTSTDLIB_H_
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#define FTSTDLIB_H_
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#include <stddef.h>
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#define ft_ptrdiff_t ptrdiff_t
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/**************************************************************************
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*
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* integer limits
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*
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* `UINT_MAX` and `ULONG_MAX` are used to automatically compute the size of
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* `int` and `long` in bytes at compile-time. So far, this works for all
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* platforms the library has been tested on.
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*
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* Note that on the extremely rare platforms that do not provide integer
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* types that are _exactly_ 16 and 32~bits wide (e.g., some old Crays where
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* `int` is 36~bits), we do not make any guarantee about the correct
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* behaviour of FreeType~2 with all fonts.
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*
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* In these cases, `ftconfig.h` will refuse to compile anyway with a
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* message like 'couldn't find 32-bit type' or something similar.
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*
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*/
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#include <limits.h>
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#define FT_CHAR_BIT CHAR_BIT
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#define FT_USHORT_MAX USHRT_MAX
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#define FT_INT_MAX INT_MAX
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#define FT_INT_MIN INT_MIN
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#define FT_UINT_MAX UINT_MAX
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#define FT_LONG_MIN LONG_MIN
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#define FT_LONG_MAX LONG_MAX
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#define FT_ULONG_MAX ULONG_MAX
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/**************************************************************************
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*
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* character and string processing
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*
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*/
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#include <string.h>
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#define ft_memchr memchr
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#define ft_memcmp memcmp
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#define ft_memcpy memcpy
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#define ft_memmove memmove
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#define ft_memset memset
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#define ft_strcat strcat
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#define ft_strcmp strcmp
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#define ft_strcpy strcpy
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#define ft_strlen strlen
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#define ft_strncmp strncmp
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#define ft_strncpy strncpy
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#define ft_strrchr strrchr
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#define ft_strstr strstr
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/**************************************************************************
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*
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* file handling
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*
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*/
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#include <stdio.h>
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#define FT_FILE FILE
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#define ft_fclose fclose
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#define ft_fopen fopen
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#define ft_fread fread
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#define ft_fseek fseek
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#define ft_ftell ftell
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#define ft_sprintf sprintf
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/**************************************************************************
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*
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* sorting
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*
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*/
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#include <stdlib.h>
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#define ft_qsort qsort
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/**************************************************************************
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*
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* memory allocation
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*
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*/
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#define ft_scalloc calloc
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#define ft_sfree free
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#define ft_smalloc malloc
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#define ft_srealloc realloc
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/**************************************************************************
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*
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* miscellaneous
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*
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*/
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#define ft_strtol strtol
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#define ft_getenv getenv
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/**************************************************************************
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*
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* execution control
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*
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*/
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#include <setjmp.h>
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#define ft_jmp_buf jmp_buf /* note: this cannot be a typedef since */
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/* `jmp_buf` is defined as a macro */
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/* on certain platforms */
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#define ft_longjmp longjmp
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#define ft_setjmp( b ) setjmp( *(ft_jmp_buf*) &(b) ) /* same thing here */
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/* The following is only used for debugging purposes, i.e., if */
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/* `FT_DEBUG_LEVEL_ERROR` or `FT_DEBUG_LEVEL_TRACE` are defined. */
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#include <stdarg.h>
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#endif /* FTSTDLIB_H_ */
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/* END */
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