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ef416fc2 | 1 | /* |
bc44d920 | 2 | * "$Id: langprintf.c 6649 2007-07-11 21:46:42Z mike $" |
ef416fc2 | 3 | * |
4 | * Localized printf/puts functions for the Common UNIX Printing | |
5 | * System (CUPS). | |
6 | * | |
bc44d920 | 7 | * Copyright 2007 by Apple Inc. |
b86bc4cf | 8 | * Copyright 2002-2007 by Easy Software Products. |
ef416fc2 | 9 | * |
10 | * These coded instructions, statements, and computer programs are the | |
bc44d920 | 11 | * property of Apple Inc. and are protected by Federal copyright |
12 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
13 | * which should have been included with this file. If this file is | |
14 | * file is missing or damaged, see the license at "http://www.cups.org/". | |
ef416fc2 | 15 | * |
16 | * This file is subject to the Apple OS-Developed Software exception. | |
17 | * | |
18 | * Contents: | |
19 | * | |
20 | * _cupsLangPrintf() - Print a formatted message string to a file. | |
21 | * _cupsLangPuts() - Print a static message string to a file. | |
07725fee | 22 | * _cupsSetLocale() - Set the current locale and transcode the command-line. |
ef416fc2 | 23 | */ |
24 | ||
25 | /* | |
26 | * Include necessary headers... | |
27 | */ | |
28 | ||
29 | #include <stdio.h> | |
fa73b229 | 30 | #include "globals.h" |
ef416fc2 | 31 | |
32 | ||
33 | /* | |
34 | * '_cupsLangPrintf()' - Print a formatted message string to a file. | |
35 | */ | |
36 | ||
37 | int /* O - Number of bytes written */ | |
38 | _cupsLangPrintf(FILE *fp, /* I - File to write to */ | |
ef416fc2 | 39 | const char *message, /* I - Message string to use */ |
40 | ...) /* I - Additional arguments as needed */ | |
41 | { | |
42 | int bytes; /* Number of bytes formatted */ | |
43 | char buffer[2048], /* Message buffer */ | |
44 | output[8192]; /* Output buffer */ | |
45 | va_list ap; /* Pointer to additional arguments */ | |
fa73b229 | 46 | _cups_globals_t *cg; /* Global data */ |
ef416fc2 | 47 | |
48 | ||
49 | /* | |
50 | * Range check... | |
51 | */ | |
52 | ||
53 | if (!fp || !message) | |
54 | return (-1); | |
55 | ||
fa73b229 | 56 | cg = _cupsGlobals(); |
57 | ||
58 | if (!cg->lang_default) | |
59 | cg->lang_default = cupsLangDefault(); | |
ef416fc2 | 60 | |
61 | /* | |
62 | * Format the string... | |
63 | */ | |
64 | ||
65 | va_start(ap, message); | |
66 | bytes = vsnprintf(buffer, sizeof(buffer), | |
fa73b229 | 67 | _cupsLangString(cg->lang_default, message), ap); |
ef416fc2 | 68 | va_end(ap); |
69 | ||
70 | /* | |
71 | * Transcode to the destination charset... | |
72 | */ | |
73 | ||
74 | bytes = cupsUTF8ToCharset(output, (cups_utf8_t *)buffer, sizeof(output), | |
fa73b229 | 75 | cg->lang_default->encoding); |
ef416fc2 | 76 | |
77 | /* | |
78 | * Write the string and return the number of bytes written... | |
79 | */ | |
80 | ||
81 | if (bytes > 0) | |
b86bc4cf | 82 | return ((int)fwrite(output, 1, bytes, fp)); |
ef416fc2 | 83 | else |
84 | return (bytes); | |
85 | } | |
86 | ||
87 | ||
88 | /* | |
89 | * '_cupsLangPuts()' - Print a static message string to a file. | |
90 | */ | |
91 | ||
92 | int /* O - Number of bytes written */ | |
93 | _cupsLangPuts(FILE *fp, /* I - File to write to */ | |
ef416fc2 | 94 | const char *message) /* I - Message string to use */ |
95 | { | |
96 | int bytes; /* Number of bytes formatted */ | |
97 | char output[2048]; /* Message buffer */ | |
fa73b229 | 98 | _cups_globals_t *cg; /* Global data */ |
ef416fc2 | 99 | |
100 | ||
101 | /* | |
102 | * Range check... | |
103 | */ | |
104 | ||
105 | if (!fp || !message) | |
106 | return (-1); | |
107 | ||
fa73b229 | 108 | cg = _cupsGlobals(); |
109 | ||
110 | if (!cg->lang_default) | |
111 | cg->lang_default = cupsLangDefault(); | |
ef416fc2 | 112 | |
113 | /* | |
114 | * Transcode to the destination charset... | |
115 | */ | |
116 | ||
117 | bytes = cupsUTF8ToCharset(output, | |
fa73b229 | 118 | (cups_utf8_t *)_cupsLangString(cg->lang_default, |
119 | message), | |
120 | sizeof(output), cg->lang_default->encoding); | |
ef416fc2 | 121 | |
122 | /* | |
123 | * Write the string and return the number of bytes written... | |
124 | */ | |
125 | ||
126 | if (bytes > 0) | |
b86bc4cf | 127 | return ((int)fwrite(output, 1, bytes, fp)); |
ef416fc2 | 128 | else |
129 | return (bytes); | |
130 | } | |
131 | ||
132 | ||
133 | /* | |
07725fee | 134 | * '_cupsSetLocale()' - Set the current locale and transcode the command-line. |
d09495fa | 135 | */ |
136 | ||
137 | void | |
07725fee | 138 | _cupsSetLocale(char *argv[]) /* IO - Command-line arguments */ |
d09495fa | 139 | { |
07725fee | 140 | int i; /* Looping var */ |
141 | char buffer[8192]; /* Command-line argument buffer */ | |
142 | _cups_globals_t *cg; /* Global data */ | |
d09495fa | 143 | #ifdef LC_TIME |
07725fee | 144 | const char *lc_time; /* Current LC_TIME value */ |
145 | char new_lc_time[255], /* New LC_TIME value */ | |
d09495fa | 146 | *charset; /* Pointer to character set */ |
147 | #endif /* LC_TIME */ | |
148 | ||
149 | ||
150 | /* | |
151 | * Set the locale so that times, etc. are displayed properly. | |
152 | * | |
153 | * Unfortunately, while we need the localized time value, we *don't* | |
154 | * want to use the localized charset for the time value, so we need | |
155 | * to set LC_TIME to the locale name with .UTF-8 on the end (if | |
156 | * the locale includes a character set specifier...) | |
157 | */ | |
158 | ||
159 | setlocale(LC_ALL, ""); | |
160 | ||
161 | #ifdef LC_TIME | |
162 | if ((lc_time = setlocale(LC_TIME, NULL)) == NULL) | |
163 | lc_time = setlocale(LC_ALL, NULL); | |
164 | ||
165 | if (lc_time) | |
166 | { | |
167 | strlcpy(new_lc_time, lc_time, sizeof(new_lc_time)); | |
168 | if ((charset = strchr(new_lc_time, '.')) == NULL) | |
169 | charset = new_lc_time + strlen(new_lc_time); | |
170 | ||
171 | strlcpy(charset, ".UTF-8", sizeof(new_lc_time) - (charset - new_lc_time)); | |
172 | } | |
173 | else | |
174 | strcpy(new_lc_time, "C"); | |
175 | ||
176 | setlocale(LC_TIME, new_lc_time); | |
177 | #endif /* LC_TIME */ | |
07725fee | 178 | |
179 | /* | |
180 | * Initialize the default language info... | |
181 | */ | |
182 | ||
183 | cg = _cupsGlobals(); | |
184 | ||
185 | if (!cg->lang_default) | |
186 | cg->lang_default = cupsLangDefault(); | |
187 | ||
188 | /* | |
189 | * Transcode the command-line arguments from the locale charset to | |
190 | * UTF-8... | |
191 | */ | |
192 | ||
193 | if (cg->lang_default->encoding != CUPS_US_ASCII && | |
194 | cg->lang_default->encoding != CUPS_UTF8) | |
195 | { | |
196 | for (i = 1; argv[i]; i ++) | |
197 | { | |
198 | /* | |
199 | * Try converting from the locale charset to UTF-8... | |
200 | */ | |
201 | ||
202 | if (cupsCharsetToUTF8((cups_utf8_t *)buffer, argv[i], sizeof(buffer), | |
203 | cg->lang_default->encoding) < 0) | |
204 | continue; | |
205 | ||
206 | /* | |
207 | * Save the new string if it differs from the original... | |
208 | */ | |
209 | ||
210 | if (strcmp(buffer, argv[i])) | |
211 | argv[i] = strdup(buffer); | |
212 | } | |
213 | } | |
d09495fa | 214 | } |
215 | ||
216 | ||
217 | /* | |
bc44d920 | 218 | * End of "$Id: langprintf.c 6649 2007-07-11 21:46:42Z mike $". |
ef416fc2 | 219 | */ |