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ftstdlib.h
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1 /***************************************************************************/
2 /* */
3 /* ftstdlib.h */
4 /* */
5 /* ANSI-specific library and header configuration file (specification */
6 /* only). */
7 /* */
8 /* Copyright 2002-2018 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 */
45  /* of `int' and `long' in bytes at compile-time. So far, this works */
46  /* for all platforms the library has been tested on. */
47  /* */
48  /* Note that on the extremely rare platforms that do not provide */
49  /* integer types that are _exactly_ 16 and 32 bits wide (e.g. some */
50  /* old Crays where `int' is 36 bits), we do not make any guarantee */
51  /* about the correct behaviour of FT2 with all fonts. */
52  /* */
53  /* In these case, `ftconfig.h' will refuse to compile anyway with a */
54  /* message like `couldn't find 32-bit type' or something similar. */
55  /* */
56  /**********************************************************************/
57 
58 
59 #include <limits.h>
60 
61 #define FT_CHAR_BIT CHAR_BIT
62 #define FT_USHORT_MAX USHRT_MAX
63 #define FT_INT_MAX INT_MAX
64 #define FT_INT_MIN INT_MIN
65 #define FT_UINT_MAX UINT_MAX
66 #define FT_LONG_MIN LONG_MIN
67 #define FT_LONG_MAX LONG_MAX
68 #define FT_ULONG_MAX ULONG_MAX
69 
70 
71  /**********************************************************************/
72  /* */
73  /* character and string processing */
74  /* */
75  /**********************************************************************/
76 
77 
78 #include <string.h>
79 
80 #define ft_memchr memchr
81 #define ft_memcmp memcmp
82 #define ft_memcpy memcpy
83 #define ft_memmove memmove
84 #define ft_memset memset
85 #define ft_strcat strcat
86 #define ft_strcmp strcmp
87 #define ft_strcpy strcpy
88 #define ft_strlen strlen
89 #define ft_strncmp strncmp
90 #define ft_strncpy strncpy
91 #define ft_strrchr strrchr
92 #define ft_strstr strstr
93 
94 
95  /**********************************************************************/
96  /* */
97  /* file handling */
98  /* */
99  /**********************************************************************/
100 
101 
102 #include <stdio.h>
103 
104 #define FT_FILE FILE
105 #define ft_fclose fclose
106 #define ft_fopen fopen
107 #define ft_fread fread
108 #define ft_fseek fseek
109 #define ft_ftell ftell
110 #define ft_sprintf sprintf
111 
112 
113  /**********************************************************************/
114  /* */
115  /* sorting */
116  /* */
117  /**********************************************************************/
118 
119 
120 #include <stdlib.h>
121 
122 #define ft_qsort qsort
123 
124 
125  /**********************************************************************/
126  /* */
127  /* memory allocation */
128  /* */
129  /**********************************************************************/
130 
131 
132 #define ft_scalloc calloc
133 #define ft_sfree free
134 #define ft_smalloc malloc
135 #define ft_srealloc realloc
136 
137 
138  /**********************************************************************/
139  /* */
140  /* miscellaneous */
141  /* */
142  /**********************************************************************/
143 
144 
145 #define ft_strtol strtol
146 #define ft_getenv getenv
147 
148 
149  /**********************************************************************/
150  /* */
151  /* execution control */
152  /* */
153  /**********************************************************************/
154 
155 
156 #include <setjmp.h>
157 
158 #define ft_jmp_buf jmp_buf /* note: this cannot be a typedef since */
159  /* jmp_buf is defined as a macro */
160  /* on certain platforms */
161 
162 #define ft_longjmp longjmp
163 #define ft_setjmp( b ) setjmp( *(ft_jmp_buf*) &(b) ) /* same thing here */
164 
165 
166  /* the following is only used for debugging purposes, i.e., if */
167  /* FT_DEBUG_LEVEL_ERROR or FT_DEBUG_LEVEL_TRACE are defined */
168 
169 #include <stdarg.h>
170 
171 
172 #endif /* FTSTDLIB_H_ */
173 
174 
175 /* END */