examples/testppdx.c

   1 /*
   2  * Test program for PPD data encoding example code.
   3  *
   4  * Compile with:
   5  *
   6  *     gcc -o testppdx -D_PPD_DEPRECATED="" -g testppdx.c ppdx.c -lcups -lz
   7  *
   8  * Copyright 2012 by Apple Inc.
   9  *
  10  * Licensed under Apache License v2.0.  See the file "LICENSE" for more information.
  11  */
  12
  13 /*
  14  * Include necessary headers...
  15  */
  16
  17 #include <stdio.h>
  18 #include <string.h>
  19 #include "ppdx.h"
  20
  21
  22 /*
  23  * 'main()' - Read data from a test PPD file and write out new chunks.
  24  */
  25
  26 int                                     /* O - Exit status */
  27 main(void)
  28 {
  29   int           status = 0;             /* Exit status */
  30   FILE          *fp;                    /* File to read */
  31   char          contents[8193],         /* Contents of file */
  32                 *data;                  /* Data from PPD */
  33   size_t        contsize,               /* File size */
  34                 datasize;               /* Data size */
  35   ppd_file_t    *ppd;                   /* Test PPD */
  36
  37
  38  /*
  39   * Open the PPD and get the data from it...
  40   */
  41
  42   ppd  = ppdOpenFile("testppdx.ppd");
  43   data = ppdxReadData(ppd, "EXData", &datasize);
  44
  45  /*
  46   * Open this source file and read it...
  47   */
  48
  49   fp = fopen("testppdx.c", "r");
  50   if (fp)
  51   {
  52     contsize = fread(contents, 1, sizeof(contents) - 1, fp);
  53     fclose(fp);
  54     contents[contsize] = '\0';
  55   }
  56   else
  57   {
  58     contents[0] = '\0';
  59     contsize    = 0;
  60   }
  61
  62  /*
  63   * Compare data...
  64   */
  65
  66   if (data)
  67   {
  68     if (contsize != datasize)
  69     {
  70       fprintf(stderr, "ERROR: PPD has %ld bytes, test file is %ld bytes.\n",
  71               (long)datasize, (long)contsize);
  72       status = 1;
  73     }
  74     else if (strcmp(contents, data))
  75     {
  76       fputs("ERROR: PPD and test file are not the same.\n", stderr);
  77       status = 1;
  78     }
  79
  80     if (status)
  81     {
  82       if ((fp = fopen("testppdx.dat", "wb")) != NULL)
  83       {
  84         fwrite(data, 1, datasize, fp);
  85         fclose(fp);
  86         fputs("ERROR: See testppdx.dat for data from PPD.\n", stderr);
  87       }
  88       else
  89         perror("Unable to open 'testppdx.dat'");
  90     }
  91
  92     free(data);
  93   }
  94
  95   printf("Encoding %ld bytes for PPD...\n", (long)contsize);
  96
  97   ppdxWriteData("EXData", contents, contsize);
  98
  99   return (1);
 100 }