[thirdparty/cups.git] / ppdc / ppdmerge.cxx

//
// PPD file merge utility for the CUPS PPD Compiler.
//
// Copyright 2007-2014 by Apple Inc.
// Copyright 2002-2007 by Easy Software Products.
//
// These coded instructions, statements, and computer programs are the
// property of Apple Inc. and are protected by Federal copyright
// law.  Distribution and use rights are outlined in the file "LICENSE.txt"
// which should have been included with this file.  If this file is
// file is missing or damaged, see the license at "http://www.cups.org/".
//

//
// Include necessary headers...
//

#include <cups/cups-private.h>
#include <cups/ppd-private.h>
#include <cups/array.h>


//
// Local functions...
//

static const char	*ppd_locale(ppd_file_t *ppd);
static void		usage(void);


//
// 'main()' - Main entry for the PPD merge utility.
//

int					// O - Exit status
main(int  argc,				// I - Number of command-line arguments
     char *argv[])			// I - Command-line arguments
{
  int		i;			// Looping var
  char		*opt;			// Current option
  ppd_file_t	*ppd;			// PPD file
  cups_array_t	*ppds;			// Array of PPD files
  const char	*inname,		// First input filename
		*outname;		// Output filename (if any)
  cups_file_t	*infile,		// Input file
		*outfile;		// Output file
  cups_array_t	*languages;		// Languages in file
  const char	*locale;		// Current locale
  char		line[1024];		// Line from file


  _cupsSetLocale(argv);

  // Scan the command-line...
  inname    = NULL;
  outname   = NULL;
  outfile   = NULL;
  languages = NULL;
  ppds      = cupsArrayNew(NULL, NULL);

  for (i = 1; i < argc; i ++)
    if (argv[i][0] == '-')
    {
      for (opt = argv[i] + 1; *opt; opt ++)
        switch (*opt)
	{
	  case 'o' :			// Output file
              if (outname)
	        usage();

	      i ++;
	      if (i >= argc)
        	usage();

	      outname = argv[i];
	      break;

	  default :			// Unknown
	      usage();
	      break;
        }
    }
    else
    {
      // Open and load the PPD file...
      if ((infile = cupsFileOpen(argv[i], "r")) == NULL)
      {
        _cupsLangPrintf(stderr, _("%s: Unable to open %s: %s"), "ppdmerge",
	                argv[i], strerror(errno));
	return (1);
      }

      // Open the PPD file...
      if ((ppd = ppdOpen2(infile)) == NULL)
      {
        ppd_status_t	status;		// PPD open status
	int		curline,	// Current line
			linenum;	// Line number


        status = ppdLastError(&linenum);

	_cupsLangPrintf(stderr,
	                _("%s: Unable to open PPD file: %s on line %d."),
	                "ppdmerge", ppdErrorString(status), linenum);
        cupsFileRewind(infile);

        line[0] = '\0';
	curline = 0;

        while (cupsFileGets(infile, line, sizeof(line)))
	{
	  curline ++;
	  if (curline >= linenum)
	    break;
	}

	_cupsLangPrintf(stderr, "%d: %s", linenum, line);

        cupsFileClose(infile);
	return (1);
      }

      // Figure out the locale...
      if ((locale = ppd_locale(ppd)) == NULL)
      {
        _cupsLangPrintf(stderr,
	                _("ppdmerge: Bad LanguageVersion \"%s\" in %s."),
			ppd->lang_version, argv[i]);
        cupsFileClose(infile);
	ppdClose(ppd);
	return (1);
      }

      if (!strcmp(locale, "en") && !inname && !outfile)
      {
        // Set the English PPD's filename...
	inname    = argv[i];
	languages = _ppdGetLanguages(ppd);

        if (outname && !strcmp(inname, outname))
	{
	  // Rename input filename so that we don't overwrite it...
	  char bckname[1024];		// Backup filename


	  snprintf(bckname, sizeof(bckname), "%s.bck", inname);

	  if (rename(inname, bckname))
	  {
	    _cupsLangPrintf(stderr,
	                    _("ppdmerge: Unable to backup %s to %s - %s"),
			    inname, bckname, strerror(errno));
	    return (1);
	  }

	  inname = bckname;
	}
      }
      else if (strcmp(locale, "en"))
      {
	// Save this PPD for later processing...
        cupsArrayAdd(ppds, ppd);
      }
      else
      {
        // Don't need this PPD...
	_cupsLangPrintf(stderr, _("ppdmerge: Ignoring PPD file %s."),
	                argv[i]);
        ppdClose(ppd);
      }

      // Close and move on...
      cupsFileClose(infile);
    }

  // If no PPDs have been loaded, display the program usage message.
  if (!inname)
    usage();

  // Loop through the PPD files we loaded to generate a new language list...
  if (!languages)
    languages = cupsArrayNew((cups_array_func_t)strcmp, NULL);

  for (ppd = (ppd_file_t *)cupsArrayFirst(ppds);
       ppd;
       ppd = (ppd_file_t *)cupsArrayNext(ppds))
  {
    locale = ppd_locale(ppd);

    if (cupsArrayFind(languages, (void *)locale))
    {
      // Already have this language, remove the PPD from the list.
      ppdClose(ppd);
      cupsArrayRemove(ppds, ppd);
    }
    else
      cupsArrayAdd(languages, (void *)locale);
  }

  // Copy the English PPD starting with a cupsLanguages line...
  infile = cupsFileOpen(inname, "r");

  if (outname)
  {
    const char *ext = strrchr(outname, '.');
    if (ext && !strcmp(ext, ".gz"))
      outfile = cupsFileOpen(outname, "w9");
    else
      outfile = cupsFileOpen(outname, "w");
  }
  else
    outfile = cupsFileStdout();

  cupsFileGets(infile, line, sizeof(line));
  cupsFilePrintf(outfile, "%s\n", line);
  if ((locale = (char *)cupsArrayFirst(languages)) != NULL)
  {
    cupsFilePrintf(outfile, "*cupsLanguages: \"%s", locale);
    while ((locale = (char *)cupsArrayNext(languages)) != NULL)
      cupsFilePrintf(outfile, " %s", locale);
    cupsFilePuts(outfile, "\"\n");
  }

  while (cupsFileGets(infile, line, sizeof(line)))
  {
    if (strncmp(line, "*cupsLanguages:", 15))
      cupsFilePrintf(outfile, "%s\n", line);
  }

  // Loop through the other PPD files we loaded to provide the translations...
  for (ppd = (ppd_file_t *)cupsArrayFirst(ppds);
       ppd;
       ppd = (ppd_file_t *)cupsArrayNext(ppds))
  {
    // Output all of the UI text for this language...
    int			j, k, l;	// Looping vars
    ppd_group_t		*g;		// Option group
    ppd_option_t	*o;		// Option
    ppd_choice_t	*c;		// Choice
    ppd_coption_t	*co;		// Custom option
    ppd_cparam_t	*cp;		// Custom parameter
    ppd_attr_t		*attr;		// PPD attribute

    locale = ppd_locale(ppd);

    cupsFilePrintf(outfile, "*%% %s localization\n", ppd->lang_version);
    cupsFilePrintf(outfile, "*%s.Translation ModelName/%s: \"\"\n", locale,
		   ppd->modelname);

    for (j = ppd->num_groups, g = ppd->groups; j > 0; j --, g ++)
    {
      cupsFilePrintf(outfile, "*%s.Translation %s/%s: \"\"\n", locale,
		     g->name, g->text);

      for (k = g->num_options, o = g->options; k > 0; k --, o ++)
      {
	cupsFilePrintf(outfile, "*%s.Translation %s/%s: \"\"\n", locale,
		       o->keyword, o->text);

	for (l = o->num_choices, c = o->choices; l > 0; l --, c ++)
	  cupsFilePrintf(outfile, "*%s.%s %s/%s: \"\"\n", locale,
			 o->keyword, c->choice, c->text);

	if ((co = ppdFindCustomOption(ppd, o->keyword)) != NULL)
	{
	  snprintf(line, sizeof(line), "Custom%s", o->keyword);
	  attr = ppdFindAttr(ppd, line, "True");
	  cupsFilePrintf(outfile, "*%s.Custom%s True/%s: \"\"\n", locale,
			 o->keyword, attr->text);
	  for (cp = ppdFirstCustomParam(co); cp; cp = ppdNextCustomParam(co))
	    cupsFilePrintf(outfile, "*%s.ParamCustom%s %s/%s: \"\"\n", locale,
			   o->keyword, cp->name, cp->text);
	}
      }
    }

    ppdClose(ppd);
  }

  cupsArrayDelete(ppds);

  cupsFileClose(outfile);

  // Return with no errors.
  return (0);
}


//
// 'ppd_locale()' - Return the locale associated with a PPD file.
//

static const char *			// O - Locale string
ppd_locale(ppd_file_t *ppd)		// I - PPD file
{
  int		i;			// Looping var
  size_t	vlen;			// Length of LanguageVersion string
  static char	locale[255];		// Locale string
  static struct				// LanguageVersion translation table
  {
    const char	*version,		// LanguageVersion string */
		*language;		// Language code */
  }		languages[] =
  {
    { "chinese",		"zh" },
    { "czech",			"cs" },
    { "danish",			"da" },
    { "dutch",			"nl" },
    { "english",		"en" },
    { "finnish",		"fi" },
    { "french",			"fr" },
    { "german",			"de" },
    { "greek",			"el" },
    { "hungarian",		"hu" },
    { "italian",		"it" },
    { "japanese",		"ja" },
    { "korean",			"ko" },
    { "norwegian",		"no" },
    { "polish",			"pl" },
    { "portuguese",		"pt" },
    { "russian",		"ru" },
    { "simplified chinese",	"zh_CN" },
    { "slovak",			"sk" },
    { "spanish",		"es" },
    { "swedish",		"sv" },
    { "traditional chinese",	"zh_TW" },
    { "turkish",		"tr" }
  };


  for (i = 0; i < (int)(sizeof(languages) / sizeof(languages[0])); i ++)
  {
    vlen = strlen(languages[i].version);

    if (!_cups_strncasecmp(ppd->lang_version, languages[i].version, vlen))
    {
      if (ppd->lang_version[vlen] == '-' ||
          ppd->lang_version[vlen] == '_')
        snprintf(locale, sizeof(locale), "%s_%s", languages[i].language,
	         ppd->lang_version + vlen + 1);
      else
        strlcpy(locale, languages[i].language, sizeof(locale));

      return (locale);
    }
  }

  return (NULL);
}

//
// 'usage()' - Show usage and exit.
//

static void
usage(void)
{
  _cupsLangPuts(stdout, _("Usage: ppdmerge [options] filename.ppd [ ... "
                          "filenameN.ppd ]"));
  _cupsLangPuts(stdout, _("Options:"));
  _cupsLangPuts(stdout, _("  -o filename.ppd[.gz]    Set output file "
                          "(otherwise stdout)."));

  exit(1);
}
Commit	Line	Data
ac884b6a	1	//
7e86f2f6	2	// PPD file merge utility for the CUPS PPD Compiler.
ac884b6a	3	//
7e86f2f6 MS	4	// Copyright 2007-2014 by Apple Inc.
7e86f2f6 MS	5	// Copyright 2002-2007 by Easy Software Products.
ac884b6a	6	//
7e86f2f6 MS	7	// These coded instructions, statements, and computer programs are the
	8	// property of Apple Inc. and are protected by Federal copyright
	9	// law. Distribution and use rights are outlined in the file "LICENSE.txt"
	10	// which should have been included with this file. If this file is
	11	// file is missing or damaged, see the license at "http://www.cups.org/".
ac884b6a MS	12	//
	13
	14	//
	15	// Include necessary headers...
	16	//
	17
71e16022	18	#include <cups/cups-private.h>
61cf44e2	19	#include <cups/ppd-private.h>
ac884b6a	20	#include <cups/array.h>
ac884b6a MS	21
	22
	23	//
	24	// Local functions...
	25	//
	26
	27	static const char ppd_locale(ppd_file_t ppd);
	28	static void usage(void);
	29
	30
	31	//
	32	// 'main()' - Main entry for the PPD merge utility.
	33	//
	34
	35	int // O - Exit status
	36	main(int argc, // I - Number of command-line arguments
	37	char *argv[]) // I - Command-line arguments
	38	{
	39	int i; // Looping var
	40	char *opt; // Current option
	41	ppd_file_t *ppd; // PPD file
	42	cups_array_t *ppds; // Array of PPD files
	43	const char *inname, // First input filename
	44	*outname; // Output filename (if any)
	45	cups_file_t *infile, // Input file
	46	*outfile; // Output file
61cf44e2 MS	47	cups_array_t *languages; // Languages in file
	48	const char *locale; // Current locale
	49	char line[1024]; // Line from file
ac884b6a MS	50
ac884b6a MS	51
61cf44e2 MS	52	_cupsSetLocale(argv);
61cf44e2 MS	53
ac884b6a	54	// Scan the command-line...
61cf44e2 MS	55	inname = NULL;
	56	outname = NULL;
	57	outfile = NULL;
	58	languages = NULL;
	59	ppds = cupsArrayNew(NULL, NULL);
ac884b6a MS	60
	61	for (i = 1; i < argc; i ++)
	62	if (argv[i][0] == '-')
	63	{
	64	for (opt = argv[i] + 1; *opt; opt ++)
	65	switch (*opt)
	66	{
	67	case 'o' : // Output file
	68	if (outname)
	69	usage();
	70
	71	i ++;
	72	if (i >= argc)
	73	usage();
	74
	75	outname = argv[i];
	76	break;
	77
	78	default : // Unknown
	79	usage();
	80	break;
	81	}
	82	}
	83	else
	84	{
61cf44e2	85	// Open and load the PPD file...
ac884b6a MS	86	if ((infile = cupsFileOpen(argv[i], "r")) == NULL)
ac884b6a MS	87	{
0837b7e8	88	_cupsLangPrintf(stderr, _("%s: Unable to open %s: %s"), "ppdmerge",
61cf44e2 MS	89	argv[i], strerror(errno));
61cf44e2 MS	90	return (1);
ac884b6a MS	91	}
	92
	93	// Open the PPD file...
	94	if ((ppd = ppdOpen2(infile)) == NULL)
	95	{
	96	ppd_status_t status; // PPD open status
0837b7e8 MS	97	int curline, // Current line
0837b7e8 MS	98	linenum; // Line number
88f9aafc MS	99
88f9aafc MS	100
ac884b6a	101	status = ppdLastError(&linenum);
88f9aafc	102
0837b7e8 MS	103	_cupsLangPrintf(stderr,
0837b7e8 MS	104	_("%s: Unable to open PPD file: %s on line %d."),
f0ab5bff	105	"ppdmerge", ppdErrorString(status), linenum);
ac884b6a	106	cupsFileRewind(infile);
88f9aafc	107
ac884b6a	108	line[0] = '\0';
0837b7e8	109	curline = 0;
88f9aafc	110
ac884b6a MS	111	while (cupsFileGets(infile, line, sizeof(line)))
ac884b6a MS	112	{
0837b7e8 MS	113	curline ++;
0837b7e8 MS	114	if (curline >= linenum)
ac884b6a MS	115	break;
ac884b6a MS	116	}
0837b7e8 MS	117
	118	_cupsLangPrintf(stderr, "%d: %s", linenum, line);
	119
ac884b6a	120	cupsFileClose(infile);
61cf44e2	121	return (1);
ac884b6a	122	}
88f9aafc	123
ac884b6a	124	// Figure out the locale...
61cf44e2	125	if ((locale = ppd_locale(ppd)) == NULL)
ac884b6a	126	{
61cf44e2	127	_cupsLangPrintf(stderr,
0837b7e8	128	_("ppdmerge: Bad LanguageVersion \"%s\" in %s."),
61cf44e2	129	ppd->lang_version, argv[i]);
ac884b6a MS	130	cupsFileClose(infile);
ac884b6a MS	131	ppdClose(ppd);
61cf44e2	132	return (1);
ac884b6a	133	}
61cf44e2	134
ac884b6a MS	135	if (!strcmp(locale, "en") && !inname && !outfile)
	136	{
	137	// Set the English PPD's filename...
61cf44e2 MS	138	inname = argv[i];
	139	languages = _ppdGetLanguages(ppd);
	140
ac884b6a	141	if (outname && !strcmp(inname, outname))
88f9aafc	142	{
ac884b6a MS	143	// Rename input filename so that we don't overwrite it...
ac884b6a MS	144	char bckname[1024]; // Backup filename
88f9aafc MS	145
88f9aafc MS	146
ac884b6a	147	snprintf(bckname, sizeof(bckname), "%s.bck", inname);
88f9aafc	148
ac884b6a MS	149	if (rename(inname, bckname))
ac884b6a MS	150	{
61cf44e2	151	_cupsLangPrintf(stderr,
0837b7e8	152	_("ppdmerge: Unable to backup %s to %s - %s"),
61cf44e2	153	inname, bckname, strerror(errno));
ac884b6a MS	154	return (1);
ac884b6a MS	155	}
ac884b6a	156
61cf44e2	157	inname = bckname;
ac884b6a MS	158	}
ac884b6a MS	159	}
61cf44e2	160	else if (strcmp(locale, "en"))
ac884b6a MS	161	{
	162	// Save this PPD for later processing...
	163	cupsArrayAdd(ppds, ppd);
	164	}
	165	else
	166	{
	167	// Don't need this PPD...
0837b7e8	168	_cupsLangPrintf(stderr, _("ppdmerge: Ignoring PPD file %s."),
61cf44e2	169	argv[i]);
ac884b6a MS	170	ppdClose(ppd);
ac884b6a MS	171	}
88f9aafc	172
ac884b6a MS	173	// Close and move on...
	174	cupsFileClose(infile);
	175	}
	176
	177	// If no PPDs have been loaded, display the program usage message.
	178	if (!inname)
	179	usage();
61cf44e2 MS	180
	181	// Loop through the PPD files we loaded to generate a new language list...
	182	if (!languages)
	183	languages = cupsArrayNew((cups_array_func_t)strcmp, NULL);
	184
	185	for (ppd = (ppd_file_t *)cupsArrayFirst(ppds);
	186	ppd;
	187	ppd = (ppd_file_t *)cupsArrayNext(ppds))
	188	{
	189	locale = ppd_locale(ppd);
	190
	191	if (cupsArrayFind(languages, (void *)locale))
	192	{
	193	// Already have this language, remove the PPD from the list.
	194	ppdClose(ppd);
	195	cupsArrayRemove(ppds, ppd);
	196	}
	197	else
	198	cupsArrayAdd(languages, (void *)locale);
	199	}
	200
	201	// Copy the English PPD starting with a cupsLanguages line...
	202	infile = cupsFileOpen(inname, "r");
	203
	204	if (outname)
	205	{
	206	const char *ext = strrchr(outname, '.');
	207	if (ext && !strcmp(ext, ".gz"))
	208	outfile = cupsFileOpen(outname, "w9");
	209	else
	210	outfile = cupsFileOpen(outname, "w");
	211	}
	212	else
	213	outfile = cupsFileStdout();
	214
	215	cupsFileGets(infile, line, sizeof(line));
	216	cupsFilePrintf(outfile, "%s\n", line);
	217	if ((locale = (char *)cupsArrayFirst(languages)) != NULL)
	218	{
	219	cupsFilePrintf(outfile, "*cupsLanguages: \"%s", locale);
	220	while ((locale = (char *)cupsArrayNext(languages)) != NULL)
	221	cupsFilePrintf(outfile, " %s", locale);
	222	cupsFilePuts(outfile, "\"\n");
	223	}
	224
	225	while (cupsFileGets(infile, line, sizeof(line)))
	226	{
	227	if (strncmp(line, "*cupsLanguages:", 15))
	228	cupsFilePrintf(outfile, "%s\n", line);
	229	}
	230
	231	// Loop through the other PPD files we loaded to provide the translations...
ac884b6a MS	232	for (ppd = (ppd_file_t *)cupsArrayFirst(ppds);
	233	ppd;
	234	ppd = (ppd_file_t *)cupsArrayNext(ppds))
	235	{
	236	// Output all of the UI text for this language...
	237	int j, k, l; // Looping vars
	238	ppd_group_t *g; // Option group
	239	ppd_option_t *o; // Option
	240	ppd_choice_t *c; // Choice
61cf44e2 MS	241	ppd_coption_t *co; // Custom option
	242	ppd_cparam_t *cp; // Custom parameter
	243	ppd_attr_t *attr; // PPD attribute
	244
	245	locale = ppd_locale(ppd);
ac884b6a	246
ac884b6a	247	cupsFilePrintf(outfile, "*%% %s localization\n", ppd->lang_version);
ac884b6a MS	248	cupsFilePrintf(outfile, "*%s.Translation ModelName/%s: \"\"\n", locale,
ac884b6a MS	249	ppd->modelname);
61cf44e2	250
ac884b6a MS	251	for (j = ppd->num_groups, g = ppd->groups; j > 0; j --, g ++)
	252	{
	253	cupsFilePrintf(outfile, "*%s.Translation %s/%s: \"\"\n", locale,
	254	g->name, g->text);
61cf44e2	255
ac884b6a MS	256	for (k = g->num_options, o = g->options; k > 0; k --, o ++)
	257	{
	258	cupsFilePrintf(outfile, "*%s.Translation %s/%s: \"\"\n", locale,
	259	o->keyword, o->text);
61cf44e2	260
ac884b6a MS	261	for (l = o->num_choices, c = o->choices; l > 0; l --, c ++)
	262	cupsFilePrintf(outfile, "*%s.%s %s/%s: \"\"\n", locale,
	263	o->keyword, c->choice, c->text);
61cf44e2 MS	264
	265	if ((co = ppdFindCustomOption(ppd, o->keyword)) != NULL)
	266	{
	267	snprintf(line, sizeof(line), "Custom%s", o->keyword);
	268	attr = ppdFindAttr(ppd, line, "True");
	269	cupsFilePrintf(outfile, "*%s.Custom%s True/%s: \"\"\n", locale,
	270	o->keyword, attr->text);
	271	for (cp = ppdFirstCustomParam(co); cp; cp = ppdNextCustomParam(co))
	272	cupsFilePrintf(outfile, "*%s.ParamCustom%s %s/%s: \"\"\n", locale,
	273	o->keyword, cp->name, cp->text);
	274	}
ac884b6a MS	275	}
ac884b6a MS	276	}
ac884b6a MS	277
	278	ppdClose(ppd);
	279	}
	280
	281	cupsArrayDelete(ppds);
	282
ac884b6a MS	283	cupsFileClose(outfile);
	284
	285	// Return with no errors.
	286	return (0);
ac884b6a MS	287	}
	288
	289
	290	//
	291	// 'ppd_locale()' - Return the locale associated with a PPD file.
	292	//
	293
	294	static const char * // O - Locale string
	295	ppd_locale(ppd_file_t *ppd) // I - PPD file
	296	{
7e86f2f6 MS	297	int i; // Looping var
7e86f2f6 MS	298	size_t vlen; // Length of LanguageVersion string
ac884b6a MS	299	static char locale[255]; // Locale string
	300	static struct // LanguageVersion translation table
	301	{
	302	const char version, // LanguageVersion string /
	303	language; // Language code /
	304	} languages[] =
	305	{
dd1abb6b MS	306	{ "chinese", "zh" },
	307	{ "czech", "cs" },
	308	{ "danish", "da" },
	309	{ "dutch", "nl" },
	310	{ "english", "en" },
	311	{ "finnish", "fi" },
	312	{ "french", "fr" },
	313	{ "german", "de" },
	314	{ "greek", "el" },
	315	{ "hungarian", "hu" },
	316	{ "italian", "it" },
	317	{ "japanese", "ja" },
	318	{ "korean", "ko" },
	319	{ "norwegian", "no" },
	320	{ "polish", "pl" },
	321	{ "portuguese", "pt" },
	322	{ "russian", "ru" },
	323	{ "simplified chinese", "zh_CN" },
	324	{ "slovak", "sk" },
	325	{ "spanish", "es" },
	326	{ "swedish", "sv" },
	327	{ "traditional chinese", "zh_TW" },
	328	{ "turkish", "tr" }
ac884b6a MS	329	};
	330
	331
	332	for (i = 0; i < (int)(sizeof(languages) / sizeof(languages[0])); i ++)
	333	{
	334	vlen = strlen(languages[i].version);
	335
88f9aafc	336	if (!_cups_strncasecmp(ppd->lang_version, languages[i].version, vlen))
ac884b6a MS	337	{
	338	if (ppd->lang_version[vlen] == '-' \|\|
	339	ppd->lang_version[vlen] == '_')
	340	snprintf(locale, sizeof(locale), "%s_%s", languages[i].language,
	341	ppd->lang_version + vlen + 1);
	342	else
	343	strlcpy(locale, languages[i].language, sizeof(locale));
	344
	345	return (locale);
	346	}
	347	}
	348
	349	return (NULL);
	350	}
	351
	352	//
	353	// 'usage()' - Show usage and exit.
	354	//
	355
	356	static void
	357	usage(void)
	358	{
0837b7e8 MS	359	_cupsLangPuts(stdout, _("Usage: ppdmerge [options] filename.ppd [ ... "
	360	"filenameN.ppd ]"));
	361	_cupsLangPuts(stdout, _("Options:"));
84315f46 MS	362	_cupsLangPuts(stdout, _(" -o filename.ppd[.gz] Set output file "
84315f46 MS	363	"(otherwise stdout)."));
ac884b6a MS	364
	365	exit(1);
	366	}