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1 | /* | |
2 | * Private string definitions for CUPS. | |
3 | * | |
4 | * Copyright 2007-2015 by Apple Inc. | |
5 | * Copyright 1997-2006 by Easy Software Products. | |
6 | * | |
7 | * These coded instructions, statements, and computer programs are the | |
8 | * property of Apple Inc. and are protected by Federal copyright | |
9 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
10 | * which should have been included with this file. If this file is | |
11 | * missing or damaged, see the license at "http://www.cups.org/". | |
12 | * | |
13 | * This file is subject to the Apple OS-Developed Software exception. | |
14 | */ | |
15 | ||
16 | #ifndef _CUPS_STRING_PRIVATE_H_ | |
17 | # define _CUPS_STRING_PRIVATE_H_ | |
18 | ||
19 | /* | |
20 | * Include necessary headers... | |
21 | */ | |
22 | ||
23 | # include <stdio.h> | |
24 | # include <stdlib.h> | |
25 | # include <stdarg.h> | |
26 | # include <ctype.h> | |
27 | # include <errno.h> | |
28 | # include <locale.h> | |
29 | # include <time.h> | |
30 | ||
31 | # include "config.h" | |
32 | ||
33 | # ifdef HAVE_STRING_H | |
34 | # include <string.h> | |
35 | # endif /* HAVE_STRING_H */ | |
36 | ||
37 | # ifdef HAVE_STRINGS_H | |
38 | # include <strings.h> | |
39 | # endif /* HAVE_STRINGS_H */ | |
40 | ||
41 | # ifdef HAVE_BSTRING_H | |
42 | # include <bstring.h> | |
43 | # endif /* HAVE_BSTRING_H */ | |
44 | ||
45 | # if defined(WIN32) && !defined(__CUPS_SSIZE_T_DEFINED) | |
46 | # define __CUPS_SSIZE_T_DEFINED | |
47 | # include <stddef.h> | |
48 | /* Windows does not support the ssize_t type, so map it to long... */ | |
49 | typedef long ssize_t; /* @private@ */ | |
50 | # endif /* WIN32 && !__CUPS_SSIZE_T_DEFINED */ | |
51 | ||
52 | ||
53 | /* | |
54 | * C++ magic... | |
55 | */ | |
56 | ||
57 | # ifdef __cplusplus | |
58 | extern "C" { | |
59 | # endif /* __cplusplus */ | |
60 | ||
61 | ||
62 | /* | |
63 | * String pool structures... | |
64 | */ | |
65 | ||
66 | # define _CUPS_STR_GUARD 0x12344321 | |
67 | ||
68 | typedef struct _cups_sp_item_s /**** String Pool Item ****/ | |
69 | { | |
70 | # ifdef DEBUG_GUARDS | |
71 | unsigned int guard; /* Guard word */ | |
72 | # endif /* DEBUG_GUARDS */ | |
73 | unsigned int ref_count; /* Reference count */ | |
74 | char str[1]; /* String */ | |
75 | } _cups_sp_item_t; | |
76 | ||
77 | ||
78 | /* | |
79 | * Replacements for the ctype macros that are not affected by locale, since we | |
80 | * really only care about testing for ASCII characters when parsing files, etc. | |
81 | * | |
82 | * The _CUPS_INLINE definition controls whether we get an inline function body, | |
83 | * and external function body, or an external definition. | |
84 | */ | |
85 | ||
86 | # if defined(__GNUC__) || __STDC_VERSION__ >= 199901L | |
87 | # define _CUPS_INLINE static inline | |
88 | # elif defined(_MSC_VER) | |
89 | # define _CUPS_INLINE static __inline | |
90 | # elif defined(_CUPS_STRING_C_) | |
91 | # define _CUPS_INLINE | |
92 | # endif /* __GNUC__ || __STDC_VERSION__ */ | |
93 | ||
94 | # ifdef _CUPS_INLINE | |
95 | _CUPS_INLINE int /* O - 1 on match, 0 otherwise */ | |
96 | _cups_isalnum(int ch) /* I - Character to test */ | |
97 | { | |
98 | return ((ch >= '0' && ch <= '9') || | |
99 | (ch >= 'A' && ch <= 'Z') || | |
100 | (ch >= 'a' && ch <= 'z')); | |
101 | } | |
102 | ||
103 | _CUPS_INLINE int /* O - 1 on match, 0 otherwise */ | |
104 | _cups_isalpha(int ch) /* I - Character to test */ | |
105 | { | |
106 | return ((ch >= 'A' && ch <= 'Z') || | |
107 | (ch >= 'a' && ch <= 'z')); | |
108 | } | |
109 | ||
110 | _CUPS_INLINE int /* O - 1 on match, 0 otherwise */ | |
111 | _cups_islower(int ch) /* I - Character to test */ | |
112 | { | |
113 | return (ch >= 'a' && ch <= 'z'); | |
114 | } | |
115 | ||
116 | _CUPS_INLINE int /* O - 1 on match, 0 otherwise */ | |
117 | _cups_isspace(int ch) /* I - Character to test */ | |
118 | { | |
119 | return (ch == ' ' || ch == '\f' || ch == '\n' || ch == '\r' || ch == '\t' || | |
120 | ch == '\v'); | |
121 | } | |
122 | ||
123 | _CUPS_INLINE int /* O - 1 on match, 0 otherwise */ | |
124 | _cups_isupper(int ch) /* I - Character to test */ | |
125 | { | |
126 | return (ch >= 'A' && ch <= 'Z'); | |
127 | } | |
128 | ||
129 | _CUPS_INLINE int /* O - Converted character */ | |
130 | _cups_tolower(int ch) /* I - Character to convert */ | |
131 | { | |
132 | return (_cups_isupper(ch) ? ch - 'A' + 'a' : ch); | |
133 | } | |
134 | ||
135 | _CUPS_INLINE int /* O - Converted character */ | |
136 | _cups_toupper(int ch) /* I - Character to convert */ | |
137 | { | |
138 | return (_cups_islower(ch) ? ch - 'a' + 'A' : ch); | |
139 | } | |
140 | # else | |
141 | extern int _cups_isalnum(int ch); | |
142 | extern int _cups_isalpha(int ch); | |
143 | extern int _cups_islower(int ch); | |
144 | extern int _cups_isspace(int ch); | |
145 | extern int _cups_isupper(int ch); | |
146 | extern int _cups_tolower(int ch); | |
147 | extern int _cups_toupper(int ch); | |
148 | # endif /* _CUPS_INLINE */ | |
149 | ||
150 | ||
151 | /* | |
152 | * Prototypes... | |
153 | */ | |
154 | ||
155 | extern ssize_t _cups_safe_vsnprintf(char *, size_t, const char *, va_list); | |
156 | extern void _cups_strcpy(char *dst, const char *src); | |
157 | ||
158 | # ifndef HAVE_STRDUP | |
159 | extern char *_cups_strdup(const char *); | |
160 | # define strdup _cups_strdup | |
161 | # endif /* !HAVE_STRDUP */ | |
162 | ||
163 | extern int _cups_strcasecmp(const char *, const char *); | |
164 | ||
165 | extern int _cups_strncasecmp(const char *, const char *, size_t n); | |
166 | ||
167 | # ifndef HAVE_STRLCAT | |
168 | extern size_t _cups_strlcat(char *, const char *, size_t); | |
169 | # define strlcat _cups_strlcat | |
170 | # endif /* !HAVE_STRLCAT */ | |
171 | ||
172 | # ifndef HAVE_STRLCPY | |
173 | extern size_t _cups_strlcpy(char *, const char *, size_t); | |
174 | # define strlcpy _cups_strlcpy | |
175 | # endif /* !HAVE_STRLCPY */ | |
176 | ||
177 | # ifndef HAVE_SNPRINTF | |
178 | extern int _cups_snprintf(char *, size_t, const char *, ...) | |
179 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
180 | # define snprintf _cups_snprintf | |
181 | # endif /* !HAVE_SNPRINTF */ | |
182 | ||
183 | # ifndef HAVE_VSNPRINTF | |
184 | extern int _cups_vsnprintf(char *, size_t, const char *, va_list); | |
185 | # define vsnprintf _cups_vsnprintf | |
186 | # endif /* !HAVE_VSNPRINTF */ | |
187 | ||
188 | /* | |
189 | * String pool functions... | |
190 | */ | |
191 | ||
192 | extern char *_cupsStrAlloc(const char *s); | |
193 | extern void _cupsStrFlush(void); | |
194 | extern void _cupsStrFree(const char *s); | |
195 | extern char *_cupsStrRetain(const char *s); | |
196 | extern size_t _cupsStrStatistics(size_t *alloc_bytes, size_t *total_bytes); | |
197 | ||
198 | ||
199 | /* | |
200 | * Floating point number functions... | |
201 | */ | |
202 | ||
203 | extern char *_cupsStrFormatd(char *buf, char *bufend, double number, | |
204 | struct lconv *loc); | |
205 | extern double _cupsStrScand(const char *buf, char **bufptr, | |
206 | struct lconv *loc); | |
207 | ||
208 | ||
209 | /* | |
210 | * Date function... | |
211 | */ | |
212 | ||
213 | extern char *_cupsStrDate(char *buf, size_t bufsize, time_t timeval); | |
214 | ||
215 | ||
216 | /* | |
217 | * C++ magic... | |
218 | */ | |
219 | ||
220 | # ifdef __cplusplus | |
221 | } | |
222 | # endif /* __cplusplus */ | |
223 | ||
224 | #endif /* !_CUPS_STRING_H_ */ |