cups/langprintf.c

   1 /*
   2  * "$Id$"
   3  *
   4  *   Localized printf/puts functions for the Common UNIX Printing
   5  *   System (CUPS).
   6  *
   7  *   Copyright 2002-2006 by Easy Software Products.
   8  *
   9  *   These coded instructions, statements, and computer programs are the
  10  *   property of Easy Software Products and are protected by Federal
  11  *   copyright law.  Distribution and use rights are outlined in the file
  12  *   "LICENSE.txt" which should have been included with this file.  If this
  13  *   file is missing or damaged please contact Easy Software Products
  14  *   at:
  15  *
  16  *       Attn: CUPS Licensing Information
  17  *       Easy Software Products
  18  *       44141 Airport View Drive, Suite 204
  19  *       Hollywood, Maryland 20636 USA
  20  *
  21  *       Voice: (301) 373-9600
  22  *       EMail: cups-info@cups.org
  23  *         WWW: http://www.cups.org
  24  *
  25  *   This file is subject to the Apple OS-Developed Software exception.
  26  *
  27  * Contents:
  28  *
  29  *   _cupsLangPrintf() - Print a formatted message string to a file.
  30  *   _cupsLangPuts()   - Print a static message string to a file.
  31  */
  32
  33 /*
  34  * Include necessary headers...
  35  */
  36
  37 #include <stdio.h>
  38 #include "globals.h"
  39
  40
  41 /*
  42  * '_cupsLangPrintf()' - Print a formatted message string to a file.
  43  */
  44
  45 int                                     /* O - Number of bytes written */
  46 _cupsLangPrintf(FILE        *fp,        /* I - File to write to */
  47                 const char  *message,   /* I - Message string to use */
  48                 ...)                    /* I - Additional arguments as needed */
  49 {
  50   int           bytes;                  /* Number of bytes formatted */
  51   char          buffer[2048],           /* Message buffer */
  52                 output[8192];           /* Output buffer */
  53   va_list       ap;                     /* Pointer to additional arguments */
  54   _cups_globals_t *cg;                  /* Global data */
  55
  56
  57  /*
  58   * Range check...
  59   */
  60
  61   if (!fp || !message)
  62     return (-1);
  63
  64   cg = _cupsGlobals();
  65
  66   if (!cg->lang_default)
  67     cg->lang_default = cupsLangDefault();
  68
  69  /*
  70   * Format the string...
  71   */
  72
  73   va_start(ap, message);
  74   bytes = vsnprintf(buffer, sizeof(buffer),
  75                     _cupsLangString(cg->lang_default, message), ap);
  76   va_end(ap);
  77
  78  /*
  79   * Transcode to the destination charset...
  80   */
  81
  82   bytes = cupsUTF8ToCharset(output, (cups_utf8_t *)buffer, sizeof(output),
  83                             cg->lang_default->encoding);
  84
  85  /*
  86   * Write the string and return the number of bytes written...
  87   */
  88
  89   if (bytes > 0)
  90     return (fwrite(output, 1, bytes, fp));
  91   else
  92     return (bytes);
  93 }
  94
  95
  96 /*
  97  * '_cupsLangPuts()' - Print a static message string to a file.
  98  */
  99
 100 int                                     /* O - Number of bytes written */
 101 _cupsLangPuts(FILE        *fp,          /* I - File to write to */
 102               const char  *message)     /* I - Message string to use */
 103 {
 104   int           bytes;                  /* Number of bytes formatted */
 105   char          output[2048];           /* Message buffer */
 106   _cups_globals_t *cg;                  /* Global data */
 107
 108
 109  /*
 110   * Range check...
 111   */
 112
 113   if (!fp || !message)
 114     return (-1);
 115
 116   cg = _cupsGlobals();
 117
 118   if (!cg->lang_default)
 119     cg->lang_default = cupsLangDefault();
 120
 121  /*
 122   * Transcode to the destination charset...
 123   */
 124
 125   bytes = cupsUTF8ToCharset(output,
 126                             (cups_utf8_t *)_cupsLangString(cg->lang_default,
 127                                                            message),
 128                             sizeof(output), cg->lang_default->encoding);
 129
 130  /*
 131   * Write the string and return the number of bytes written...
 132   */
 133
 134   if (bytes > 0)
 135     return (fwrite(output, 1, bytes, fp));
 136   else
 137     return (bytes);
 138 }
 139
 140
 141 /*
 142  * End of "$Id$".
 143  */