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/*
* Localized printf/puts functions for CUPS.
*
* Copyright © 2022 by OpenPrinting.
* Copyright © 2007-2014 by Apple Inc.
* Copyright © 2002-2007 by Easy Software Products.
*
* Licensed under Apache License v2.0. See the file "LICENSE" for more
* information.
*/
/*
* Include necessary headers...
*/
#include "cups-private.h"
#include "debug-internal.h"
/*
* '_cupsLangPrintf()' - Print a formatted message string to a file.
*/
ssize_t /* O - Number of bytes written */
_cupsLangPrintf(FILE *fp, /* I - File to write to */
const char *message, /* I - Message string to use */
...) /* I - Additional arguments as needed */
{
ssize_t bytes; /* Number of bytes formatted */
char buffer[2048], /* Message buffer */
output[8192]; /* Output buffer */
va_list ap; /* Pointer to additional arguments */
_cups_globals_t *cg; /* Global data */
/*
* Range check...
*/
if (!fp || !message)
return (-1);
cg = _cupsGlobals();
if (!cg->lang_default)
cg->lang_default = cupsLangDefault();
/*
* Format the string...
*/
va_start(ap, message);
vsnprintf(buffer, sizeof(buffer) - 1, _cupsLangString(cg->lang_default, message), ap);
va_end(ap);
cupsConcatString(buffer, "\n", sizeof(buffer));
/*
* Transcode to the destination charset...
*/
bytes = cupsUTF8ToCharset(output, (cups_utf8_t *)buffer, sizeof(output), cg->lang_default->encoding);
/*
* Write the string and return the number of bytes written...
*/
if (bytes > 0)
return ((ssize_t)fwrite(output, 1, (size_t)bytes, fp));
else
return (bytes);
}
/*
* '_cupsLangPuts()' - Print a static message string to a file.
*/
ssize_t /* O - Number of bytes written */
_cupsLangPuts(FILE *fp, /* I - File to write to */
const char *message) /* I - Message string to use */
{
ssize_t bytes; /* Number of bytes formatted */
char output[8192]; /* Message buffer */
_cups_globals_t *cg; /* Global data */
/*
* Range check...
*/
if (!fp || !message)
return (-1);
cg = _cupsGlobals();
if (!cg->lang_default)
cg->lang_default = cupsLangDefault();
/*
* Transcode to the destination charset...
*/
bytes = cupsUTF8ToCharset(output, (cups_utf8_t *)_cupsLangString(cg->lang_default, message), sizeof(output) - 4, cg->lang_default->encoding);
bytes += cupsUTF8ToCharset(output + bytes, (cups_utf8_t *)"\n", sizeof(output) - (size_t)bytes, cg->lang_default->encoding);
/*
* Write the string and return the number of bytes written...
*/
if (bytes > 0)
return ((ssize_t)fwrite(output, 1, (size_t)bytes, fp));
else
return (bytes);
}
/*
* '_cupsSetLocale()' - Set the current locale and transcode the command-line.
*/
void
_cupsSetLocale(char *argv[]) /* IO - Command-line arguments */
{
int i; /* Looping var */
char buffer[8192]; /* Command-line argument buffer */
_cups_globals_t *cg; /* Global data */
#ifdef LC_TIME
const char *lc_time; /* Current LC_TIME value */
char new_lc_time[255], /* New LC_TIME value */
*charset; /* Pointer to character set */
#endif /* LC_TIME */
/*
* Set the locale so that times, etc. are displayed properly.
*
* Unfortunately, while we need the localized time value, we *don't*
* want to use the localized charset for the time value, so we need
* to set LC_TIME to the locale name with .UTF-8 on the end (if
* the locale includes a character set specifier...)
*/
setlocale(LC_ALL, "");
#ifdef LC_TIME
if ((lc_time = setlocale(LC_TIME, NULL)) == NULL)
lc_time = setlocale(LC_ALL, NULL);
if (lc_time)
{
cupsCopyString(new_lc_time, lc_time, sizeof(new_lc_time));
if ((charset = strchr(new_lc_time, '.')) == NULL)
charset = new_lc_time + strlen(new_lc_time);
cupsCopyString(charset, ".UTF-8", sizeof(new_lc_time) - (size_t)(charset - new_lc_time));
}
else
cupsCopyString(new_lc_time, "C", sizeof(new_lc_time));
setlocale(LC_TIME, new_lc_time);
#endif /* LC_TIME */
/*
* Initialize the default language info...
*/
cg = _cupsGlobals();
if (!cg->lang_default)
cg->lang_default = cupsLangDefault();
/*
* Transcode the command-line arguments from the locale charset to
* UTF-8...
*/
if (cg->lang_default->encoding != CUPS_US_ASCII &&
cg->lang_default->encoding != CUPS_UTF8)
{
for (i = 1; argv[i]; i ++)
{
/*
* Try converting from the locale charset to UTF-8...
*/
if (cupsCharsetToUTF8((cups_utf8_t *)buffer, argv[i], sizeof(buffer),
cg->lang_default->encoding) < 0)
continue;
/*
* Save the new string if it differs from the original...
*/
if (strcmp(buffer, argv[i]))
argv[i] = strdup(buffer);
}
}
}
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