IABSD.fr/xenocara/lib/libXpm/cxpm/cxpm.c

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• Author : matthieu
  Date : 2007-09-30 08:38:09
  Hash : 3fa7de0f
  Message : libXpm 3.5.7

• lib/libXpm/cxpm/cxpm.c

• /*
   * Copyright (C) 1998 Arnaud LE HORS
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to
   * deal in the Software without restriction, including without limitation the
   * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
   * sell copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
   * Arnaud LE HORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
   * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
   * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
   *
   * Except as contained in this notice, the name of Arnaud LE HORS shall not be
   * used in advertising or otherwise to promote the sale, use or other dealings
   * in this Software without prior written authorization from Arnaud LE HORS.
   */
  /* $XFree86: xc/extras/Xpm/cxpm/cxpm.c,v 1.2 2001/08/01 00:44:34 tsi Exp $ */
  
  /*****************************************************************************\
  * cxpm.c:                                                                     *
  *                                                                             *
  *  Check XPM File program                                                     *
  *                                                                             *
  *  Developed by Arnaud Le Hors                                                *
  \*****************************************************************************/
  
  #define CXPMPROG
  
  #ifdef HAVE_CONFIG_H
  #include <config.h>
  #endif
  #include "XpmI.h"
  #ifdef USE_GETTEXT
  #include <locale.h>
  #include <libintl.h>
  #else
  #define gettext(a) (a)
  #endif
  
  #undef xpmGetC
  #define xpmGetC(data) sGetc(data, data->stream.file)
  #define Getc sGetc
  #define Ungetc sUngetc
  
  
  /*
   * special getc and ungetc counting read lines and characters
   * note that 's' could stand both for "special" and "slow" ;-)
   */
  static int
  sGetc(data, file)
      xpmData *data;
      FILE *file;
  {
      int c = getc(data->stream.file);
      if (c == '\n') {
          data->lineNum++;
          data->charNum = 0;
      } else {
          data->charNum++;
      }
      return c;
  }
  
  static void
  sUngetc(data, c, file)
      xpmData *data;
      int c;
      FILE *file;
  {
      ungetc(c, data->stream.file);
      if (c == '\n') {
          data->lineNum--;
          data->charNum = 0;
      } else {
          data->charNum--;
      }
  }
  
  /* include all the code we need (yeah, I know, quite ugly...) */
  #include "data.c"
  #include "parse.c"
  #include "RdFToI.c"	/* only for OpenReadFile and xpmDataClose */
  #include "hashtab.c"
  #include "misc.c"
  #include "Attrib.c"
  #include "Image.c"
  
  void
  ErrorMessage(
      int ErrorStatus,
      xpmData *data)
  
  {
      char *error = NULL;
  
      switch (ErrorStatus) {
      case XpmSuccess:
  	return;
      case XpmOpenFailed:
  	/* L10N_Comments : Error produced when filename does not exist 
  	   or insufficient permissions to open (i.e. cxpm /no/such/file ) */
  	error = gettext("Cannot open file");
  	break;
      case XpmFileInvalid:
  	/* L10N_Comments : Error produced when filename can be read, but
  	   is not an XPM file (i.e. cxpm /dev/null ) */
  	error = gettext("Invalid XPM file");
  	break;
      case XpmNoMemory:
  	/* L10N_Comments : Error produced when filename can be read, but
  	   is too big for memory 
  	   (i.e. limit datasize 32 ; cxpm /usr/dt/backdrops/Crochet.pm ) */
  	error = gettext("Not enough memory");
  	break;
      case XpmColorFailed:
  	/* L10N_Comments : Error produced when filename can be read, but
  	   contains an invalid color specification (need to create test case)*/
  	error = gettext("Failed to parse color");
  	break;
      }
  
      if (error) {
  	/* L10N_Comments : Wrapper around above Xpm errors - %s is
  	   replaced with the contents of the error message retrieved above */
  	fprintf(stderr, gettext("Xpm Error: %s.\n"), error);
  	if (ErrorStatus == XpmFileInvalid && data)
  	/* L10N_Comments : Error produced when filename can be read, but
  	   is not an XPM file (i.e. cxpm /dev/null ) */
  	  fprintf(stderr, gettext("Error found line %d near character %d\n"),
  		  data->lineNum + 1,
  		  data->charNum + 1);
  	exit(1);
      }
  }
  
  int
  main(argc, argv)
      int argc;
      char **argv;
  {
      XpmImage image;
      char *filename;
      int ErrorStatus;
      xpmData data;
  
  #ifdef USE_GETTEXT
      setlocale(LC_ALL,"");
      bindtextdomain("cxpm",LOCALEDIR);
      textdomain("cxpm");
  #endif
  
      if (argc > 1) {
          if (!strcmp(argv[1], "-?") || !strncmp(argv[1], "-h", 2)) {
  	    /* L10N_Comments : Usage message produced by running cxpm -h
  		%s will be replaced by argv[0] (program name) */
  	    fprintf(stderr, gettext("Usage: %s [filename]\n"), argv[0]);
  	    exit(1);
  	}
          filename = argv[1];
      } else {
          filename = NULL;
      }
  
      xpmInitXpmImage(&image);
  
      if ((ErrorStatus = OpenReadFile(filename, &data)) != XpmSuccess)
  	ErrorMessage(ErrorStatus, NULL);
  
      ErrorStatus = xpmParseData(&data, &image, NULL);
      ErrorMessage(ErrorStatus, &data);
  
      xpmDataClose(&data);
      XpmFreeXpmImage(&image);
  
      exit(0);
  }