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1 | /* | |
2 | * "$Id: langprintf.c 11558 2014-02-06 18:33:34Z msweet $" | |
3 | * | |
4 | * Localized printf/puts functions for CUPS. | |
5 | * | |
6 | * Copyright 2007-2014 by Apple Inc. | |
7 | * Copyright 2002-2007 by Easy Software Products. | |
8 | * | |
9 | * These coded instructions, statements, and computer programs are the | |
10 | * property of Apple Inc. and are protected by Federal copyright | |
11 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
12 | * which should have been included with this file. If this file is | |
13 | * file is missing or damaged, see the license at "http://www.cups.org/". | |
14 | * | |
15 | * This file is subject to the Apple OS-Developed Software exception. | |
16 | */ | |
17 | ||
18 | /* | |
19 | * Include necessary headers... | |
20 | */ | |
21 | ||
22 | #include "cups-private.h" | |
23 | ||
24 | ||
25 | /* | |
26 | * '_cupsLangPrintError()' - Print a message followed by a standard error. | |
27 | */ | |
28 | ||
29 | void | |
30 | _cupsLangPrintError(const char *prefix, /* I - Non-localized message prefix */ | |
31 | const char *message)/* I - Message */ | |
32 | { | |
33 | ssize_t bytes; /* Number of bytes formatted */ | |
34 | int last_errno; /* Last error */ | |
35 | char buffer[2048], /* Message buffer */ | |
36 | *bufptr, /* Pointer into buffer */ | |
37 | output[8192]; /* Output buffer */ | |
38 | _cups_globals_t *cg; /* Global data */ | |
39 | ||
40 | ||
41 | /* | |
42 | * Range check... | |
43 | */ | |
44 | ||
45 | if (!message) | |
46 | return; | |
47 | ||
48 | /* | |
49 | * Save the errno value... | |
50 | */ | |
51 | ||
52 | last_errno = errno; | |
53 | ||
54 | /* | |
55 | * Get the message catalog... | |
56 | */ | |
57 | ||
58 | cg = _cupsGlobals(); | |
59 | ||
60 | if (!cg->lang_default) | |
61 | cg->lang_default = cupsLangDefault(); | |
62 | ||
63 | /* | |
64 | * Format the message... | |
65 | */ | |
66 | ||
67 | if (prefix) | |
68 | { | |
69 | snprintf(buffer, sizeof(buffer), "%s:", prefix); | |
70 | bufptr = buffer + strlen(buffer); | |
71 | } | |
72 | else | |
73 | bufptr = buffer; | |
74 | ||
75 | snprintf(bufptr, sizeof(buffer) - (size_t)(bufptr - buffer), | |
76 | /* TRANSLATORS: Message is "subject: error" */ | |
77 | _cupsLangString(cg->lang_default, _("%s: %s")), | |
78 | _cupsLangString(cg->lang_default, message), strerror(last_errno)); | |
79 | strlcat(buffer, "\n", sizeof(buffer)); | |
80 | ||
81 | /* | |
82 | * Convert and write to stderr... | |
83 | */ | |
84 | ||
85 | bytes = cupsUTF8ToCharset(output, (cups_utf8_t *)buffer, sizeof(output), | |
86 | cg->lang_default->encoding); | |
87 | ||
88 | if (bytes > 0) | |
89 | fwrite(output, 1, (size_t)bytes, stderr); | |
90 | } | |
91 | ||
92 | ||
93 | /* | |
94 | * '_cupsLangPrintFilter()' - Print a formatted filter message string to a file. | |
95 | */ | |
96 | ||
97 | int /* O - Number of bytes written */ | |
98 | _cupsLangPrintFilter( | |
99 | FILE *fp, /* I - File to write to */ | |
100 | const char *prefix, /* I - Non-localized message prefix */ | |
101 | const char *message, /* I - Message string to use */ | |
102 | ...) /* I - Additional arguments as needed */ | |
103 | { | |
104 | ssize_t bytes; /* Number of bytes formatted */ | |
105 | char temp[2048], /* Temporary format buffer */ | |
106 | buffer[2048], /* Message buffer */ | |
107 | output[8192]; /* Output buffer */ | |
108 | va_list ap; /* Pointer to additional arguments */ | |
109 | _cups_globals_t *cg; /* Global data */ | |
110 | ||
111 | ||
112 | /* | |
113 | * Range check... | |
114 | */ | |
115 | ||
116 | if (!fp || !message) | |
117 | return (-1); | |
118 | ||
119 | cg = _cupsGlobals(); | |
120 | ||
121 | if (!cg->lang_default) | |
122 | cg->lang_default = cupsLangDefault(); | |
123 | ||
124 | /* | |
125 | * Format the string... | |
126 | */ | |
127 | ||
128 | va_start(ap, message); | |
129 | snprintf(temp, sizeof(temp), "%s: %s\n", prefix, | |
130 | _cupsLangString(cg->lang_default, message)); | |
131 | vsnprintf(buffer, sizeof(buffer), temp, ap); | |
132 | va_end(ap); | |
133 | ||
134 | /* | |
135 | * Transcode to the destination charset... | |
136 | */ | |
137 | ||
138 | bytes = cupsUTF8ToCharset(output, (cups_utf8_t *)buffer, sizeof(output), | |
139 | cg->lang_default->encoding); | |
140 | ||
141 | /* | |
142 | * Write the string and return the number of bytes written... | |
143 | */ | |
144 | ||
145 | if (bytes > 0) | |
146 | return ((int)fwrite(output, 1, (size_t)bytes, fp)); | |
147 | else | |
148 | return ((int)bytes); | |
149 | } | |
150 | ||
151 | ||
152 | /* | |
153 | * '_cupsLangPrintf()' - Print a formatted message string to a file. | |
154 | */ | |
155 | ||
156 | int /* O - Number of bytes written */ | |
157 | _cupsLangPrintf(FILE *fp, /* I - File to write to */ | |
158 | const char *message, /* I - Message string to use */ | |
159 | ...) /* I - Additional arguments as needed */ | |
160 | { | |
161 | ssize_t bytes; /* Number of bytes formatted */ | |
162 | char buffer[2048], /* Message buffer */ | |
163 | output[8192]; /* Output buffer */ | |
164 | va_list ap; /* Pointer to additional arguments */ | |
165 | _cups_globals_t *cg; /* Global data */ | |
166 | ||
167 | ||
168 | /* | |
169 | * Range check... | |
170 | */ | |
171 | ||
172 | if (!fp || !message) | |
173 | return (-1); | |
174 | ||
175 | cg = _cupsGlobals(); | |
176 | ||
177 | if (!cg->lang_default) | |
178 | cg->lang_default = cupsLangDefault(); | |
179 | ||
180 | /* | |
181 | * Format the string... | |
182 | */ | |
183 | ||
184 | va_start(ap, message); | |
185 | vsnprintf(buffer, sizeof(buffer) - 1, | |
186 | _cupsLangString(cg->lang_default, message), ap); | |
187 | va_end(ap); | |
188 | ||
189 | strlcat(buffer, "\n", sizeof(buffer)); | |
190 | ||
191 | /* | |
192 | * Transcode to the destination charset... | |
193 | */ | |
194 | ||
195 | bytes = cupsUTF8ToCharset(output, (cups_utf8_t *)buffer, sizeof(output), | |
196 | cg->lang_default->encoding); | |
197 | ||
198 | /* | |
199 | * Write the string and return the number of bytes written... | |
200 | */ | |
201 | ||
202 | if (bytes > 0) | |
203 | return ((int)fwrite(output, 1, (size_t)bytes, fp)); | |
204 | else | |
205 | return ((int)bytes); | |
206 | } | |
207 | ||
208 | ||
209 | /* | |
210 | * '_cupsLangPuts()' - Print a static message string to a file. | |
211 | */ | |
212 | ||
213 | int /* O - Number of bytes written */ | |
214 | _cupsLangPuts(FILE *fp, /* I - File to write to */ | |
215 | const char *message) /* I - Message string to use */ | |
216 | { | |
217 | ssize_t bytes; /* Number of bytes formatted */ | |
218 | char output[8192]; /* Message buffer */ | |
219 | _cups_globals_t *cg; /* Global data */ | |
220 | ||
221 | ||
222 | /* | |
223 | * Range check... | |
224 | */ | |
225 | ||
226 | if (!fp || !message) | |
227 | return (-1); | |
228 | ||
229 | cg = _cupsGlobals(); | |
230 | ||
231 | if (!cg->lang_default) | |
232 | cg->lang_default = cupsLangDefault(); | |
233 | ||
234 | /* | |
235 | * Transcode to the destination charset... | |
236 | */ | |
237 | ||
238 | bytes = cupsUTF8ToCharset(output, | |
239 | (cups_utf8_t *)_cupsLangString(cg->lang_default, | |
240 | message), | |
241 | sizeof(output) - 4, cg->lang_default->encoding); | |
242 | bytes += cupsUTF8ToCharset(output + bytes, (cups_utf8_t *)"\n", (int)(sizeof(output) - (size_t)bytes), cg->lang_default->encoding); | |
243 | ||
244 | /* | |
245 | * Write the string and return the number of bytes written... | |
246 | */ | |
247 | ||
248 | if (bytes > 0) | |
249 | return ((int)fwrite(output, 1, (size_t)bytes, fp)); | |
250 | else | |
251 | return ((int)bytes); | |
252 | } | |
253 | ||
254 | ||
255 | /* | |
256 | * '_cupsSetLocale()' - Set the current locale and transcode the command-line. | |
257 | */ | |
258 | ||
259 | void | |
260 | _cupsSetLocale(char *argv[]) /* IO - Command-line arguments */ | |
261 | { | |
262 | int i; /* Looping var */ | |
263 | char buffer[8192]; /* Command-line argument buffer */ | |
264 | _cups_globals_t *cg; /* Global data */ | |
265 | #ifdef LC_TIME | |
266 | const char *lc_time; /* Current LC_TIME value */ | |
267 | char new_lc_time[255], /* New LC_TIME value */ | |
268 | *charset; /* Pointer to character set */ | |
269 | #endif /* LC_TIME */ | |
270 | ||
271 | ||
272 | /* | |
273 | * Set the locale so that times, etc. are displayed properly. | |
274 | * | |
275 | * Unfortunately, while we need the localized time value, we *don't* | |
276 | * want to use the localized charset for the time value, so we need | |
277 | * to set LC_TIME to the locale name with .UTF-8 on the end (if | |
278 | * the locale includes a character set specifier...) | |
279 | */ | |
280 | ||
281 | setlocale(LC_ALL, ""); | |
282 | ||
283 | #ifdef LC_TIME | |
284 | if ((lc_time = setlocale(LC_TIME, NULL)) == NULL) | |
285 | lc_time = setlocale(LC_ALL, NULL); | |
286 | ||
287 | if (lc_time) | |
288 | { | |
289 | strlcpy(new_lc_time, lc_time, sizeof(new_lc_time)); | |
290 | if ((charset = strchr(new_lc_time, '.')) == NULL) | |
291 | charset = new_lc_time + strlen(new_lc_time); | |
292 | ||
293 | strlcpy(charset, ".UTF-8", sizeof(new_lc_time) - (size_t)(charset - new_lc_time)); | |
294 | } | |
295 | else | |
296 | strlcpy(new_lc_time, "C", sizeof(new_lc_time)); | |
297 | ||
298 | setlocale(LC_TIME, new_lc_time); | |
299 | #endif /* LC_TIME */ | |
300 | ||
301 | /* | |
302 | * Initialize the default language info... | |
303 | */ | |
304 | ||
305 | cg = _cupsGlobals(); | |
306 | ||
307 | if (!cg->lang_default) | |
308 | cg->lang_default = cupsLangDefault(); | |
309 | ||
310 | /* | |
311 | * Transcode the command-line arguments from the locale charset to | |
312 | * UTF-8... | |
313 | */ | |
314 | ||
315 | if (cg->lang_default->encoding != CUPS_US_ASCII && | |
316 | cg->lang_default->encoding != CUPS_UTF8) | |
317 | { | |
318 | for (i = 1; argv[i]; i ++) | |
319 | { | |
320 | /* | |
321 | * Try converting from the locale charset to UTF-8... | |
322 | */ | |
323 | ||
324 | if (cupsCharsetToUTF8((cups_utf8_t *)buffer, argv[i], sizeof(buffer), | |
325 | cg->lang_default->encoding) < 0) | |
326 | continue; | |
327 | ||
328 | /* | |
329 | * Save the new string if it differs from the original... | |
330 | */ | |
331 | ||
332 | if (strcmp(buffer, argv[i])) | |
333 | argv[i] = strdup(buffer); | |
334 | } | |
335 | } | |
336 | } | |
337 | ||
338 | ||
339 | /* | |
340 | * End of "$Id: langprintf.c 11558 2014-02-06 18:33:34Z msweet $". | |
341 | */ |