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330 lines
7.4 KiB
330 lines
7.4 KiB
4 months ago
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/*
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* Localized printf/puts functions for CUPS.
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*
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* Copyright 2007-2014 by Apple Inc.
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* Copyright 2002-2007 by Easy Software Products.
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*
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* Licensed under Apache License v2.0. See the file "LICENSE" for more information.
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*/
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/*
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* Include necessary headers...
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*/
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#include "cups-private.h"
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#include "debug-internal.h"
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/*
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* '_cupsLangPrintError()' - Print a message followed by a standard error.
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*/
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void
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_cupsLangPrintError(const char *prefix, /* I - Non-localized message prefix */
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const char *message)/* I - Message */
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{
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ssize_t bytes; /* Number of bytes formatted */
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int last_errno; /* Last error */
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char buffer[2048], /* Message buffer */
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*bufptr, /* Pointer into buffer */
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output[8192]; /* Output buffer */
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_cups_globals_t *cg; /* Global data */
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/*
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* Range check...
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*/
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if (!message)
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return;
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/*
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* Save the errno value...
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*/
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last_errno = errno;
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/*
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* Get the message catalog...
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*/
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cg = _cupsGlobals();
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if (!cg->lang_default)
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cg->lang_default = cupsLangDefault();
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/*
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* Format the message...
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*/
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if (prefix)
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{
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snprintf(buffer, sizeof(buffer), "%s:", prefix);
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bufptr = buffer + strlen(buffer);
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}
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else
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bufptr = buffer;
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snprintf(bufptr, sizeof(buffer) - (size_t)(bufptr - buffer),
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/* TRANSLATORS: Message is "subject: error" */
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_cupsLangString(cg->lang_default, _("%s: %s")),
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_cupsLangString(cg->lang_default, message), strerror(last_errno));
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strlcat(buffer, "\n", sizeof(buffer));
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/*
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* Convert and write to stderr...
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*/
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bytes = cupsUTF8ToCharset(output, (cups_utf8_t *)buffer, sizeof(output),
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cg->lang_default->encoding);
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if (bytes > 0)
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fwrite(output, 1, (size_t)bytes, stderr);
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}
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/*
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* '_cupsLangPrintFilter()' - Print a formatted filter message string to a file.
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*/
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int /* O - Number of bytes written */
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_cupsLangPrintFilter(
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FILE *fp, /* I - File to write to */
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const char *prefix, /* I - Non-localized message prefix */
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const char *message, /* I - Message string to use */
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...) /* I - Additional arguments as needed */
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{
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ssize_t bytes; /* Number of bytes formatted */
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char temp[2048], /* Temporary format buffer */
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buffer[2048], /* Message buffer */
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output[8192]; /* Output buffer */
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va_list ap; /* Pointer to additional arguments */
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_cups_globals_t *cg; /* Global data */
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/*
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* Range check...
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*/
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if (!fp || !message)
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return (-1);
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cg = _cupsGlobals();
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if (!cg->lang_default)
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cg->lang_default = cupsLangDefault();
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/*
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* Format the string...
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*/
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va_start(ap, message);
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snprintf(temp, sizeof(temp), "%s: %s\n", prefix,
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_cupsLangString(cg->lang_default, message));
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vsnprintf(buffer, sizeof(buffer), temp, ap);
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va_end(ap);
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/*
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* Transcode to the destination charset...
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*/
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bytes = cupsUTF8ToCharset(output, (cups_utf8_t *)buffer, sizeof(output),
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cg->lang_default->encoding);
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/*
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* Write the string and return the number of bytes written...
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*/
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if (bytes > 0)
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return ((int)fwrite(output, 1, (size_t)bytes, fp));
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else
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return ((int)bytes);
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}
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/*
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* '_cupsLangPrintf()' - Print a formatted message string to a file.
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*/
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int /* O - Number of bytes written */
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_cupsLangPrintf(FILE *fp, /* I - File to write to */
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const char *message, /* I - Message string to use */
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...) /* I - Additional arguments as needed */
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{
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ssize_t bytes; /* Number of bytes formatted */
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char buffer[2048], /* Message buffer */
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output[8192]; /* Output buffer */
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va_list ap; /* Pointer to additional arguments */
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_cups_globals_t *cg; /* Global data */
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/*
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* Range check...
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*/
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if (!fp || !message)
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return (-1);
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cg = _cupsGlobals();
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if (!cg->lang_default)
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cg->lang_default = cupsLangDefault();
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/*
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* Format the string...
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*/
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va_start(ap, message);
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vsnprintf(buffer, sizeof(buffer) - 1,
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_cupsLangString(cg->lang_default, message), ap);
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va_end(ap);
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strlcat(buffer, "\n", sizeof(buffer));
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/*
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* Transcode to the destination charset...
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*/
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bytes = cupsUTF8ToCharset(output, (cups_utf8_t *)buffer, sizeof(output),
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cg->lang_default->encoding);
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/*
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* Write the string and return the number of bytes written...
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*/
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if (bytes > 0)
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return ((int)fwrite(output, 1, (size_t)bytes, fp));
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else
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return ((int)bytes);
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}
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/*
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* '_cupsLangPuts()' - Print a static message string to a file.
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*/
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int /* O - Number of bytes written */
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_cupsLangPuts(FILE *fp, /* I - File to write to */
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const char *message) /* I - Message string to use */
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{
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ssize_t bytes; /* Number of bytes formatted */
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char output[8192]; /* Message buffer */
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_cups_globals_t *cg; /* Global data */
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/*
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* Range check...
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*/
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if (!fp || !message)
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return (-1);
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cg = _cupsGlobals();
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if (!cg->lang_default)
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cg->lang_default = cupsLangDefault();
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/*
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* Transcode to the destination charset...
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*/
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bytes = cupsUTF8ToCharset(output,
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(cups_utf8_t *)_cupsLangString(cg->lang_default,
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message),
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sizeof(output) - 4, cg->lang_default->encoding);
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bytes += cupsUTF8ToCharset(output + bytes, (cups_utf8_t *)"\n", (int)(sizeof(output) - (size_t)bytes), cg->lang_default->encoding);
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/*
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* Write the string and return the number of bytes written...
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*/
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if (bytes > 0)
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return ((int)fwrite(output, 1, (size_t)bytes, fp));
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else
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return ((int)bytes);
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}
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/*
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* '_cupsSetLocale()' - Set the current locale and transcode the command-line.
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*/
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void
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_cupsSetLocale(char *argv[]) /* IO - Command-line arguments */
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{
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int i; /* Looping var */
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char buffer[8192]; /* Command-line argument buffer */
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_cups_globals_t *cg; /* Global data */
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#ifdef LC_TIME
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const char *lc_time; /* Current LC_TIME value */
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char new_lc_time[255], /* New LC_TIME value */
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*charset; /* Pointer to character set */
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#endif /* LC_TIME */
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/*
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* Set the locale so that times, etc. are displayed properly.
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*
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* Unfortunately, while we need the localized time value, we *don't*
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* want to use the localized charset for the time value, so we need
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* to set LC_TIME to the locale name with .UTF-8 on the end (if
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* the locale includes a character set specifier...)
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*/
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setlocale(LC_ALL, "");
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#ifdef LC_TIME
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if ((lc_time = setlocale(LC_TIME, NULL)) == NULL)
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lc_time = setlocale(LC_ALL, NULL);
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if (lc_time)
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{
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strlcpy(new_lc_time, lc_time, sizeof(new_lc_time));
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if ((charset = strchr(new_lc_time, '.')) == NULL)
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charset = new_lc_time + strlen(new_lc_time);
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strlcpy(charset, ".UTF-8", sizeof(new_lc_time) - (size_t)(charset - new_lc_time));
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}
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else
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strlcpy(new_lc_time, "C", sizeof(new_lc_time));
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setlocale(LC_TIME, new_lc_time);
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#endif /* LC_TIME */
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/*
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* Initialize the default language info...
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*/
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cg = _cupsGlobals();
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if (!cg->lang_default)
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cg->lang_default = cupsLangDefault();
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/*
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* Transcode the command-line arguments from the locale charset to
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* UTF-8...
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*/
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if (cg->lang_default->encoding != CUPS_US_ASCII &&
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cg->lang_default->encoding != CUPS_UTF8)
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{
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for (i = 1; argv[i]; i ++)
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{
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/*
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* Try converting from the locale charset to UTF-8...
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*/
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if (cupsCharsetToUTF8((cups_utf8_t *)buffer, argv[i], sizeof(buffer),
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cg->lang_default->encoding) < 0)
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continue;
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/*
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* Save the new string if it differs from the original...
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*/
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if (strcmp(buffer, argv[i]))
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argv[i] = strdup(buffer);
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}
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}
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}
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