gtk/src/quotestring.c

   1 #include <stdio.h>
   2 #include <string.h>
   3 #include <libgen.h>
   4
   5 #define BUF_SIZE    72
   6
   7 void
   8 usage(char *cmd)
   9 {
  10     printf("%s\n", cmd);
  11     char *base = basename(cmd);
  12     fprintf(stderr, "Usage: %s infile [outfile]\n", base);
  13 }
  14
  15 int
  16 main(int argc, char *argv[])
  17 {
  18     FILE *infile, *outfile;
  19     char in_buffer[BUF_SIZE];
  20     char out_buffer[2*BUF_SIZE];
  21
  22     if (argc < 2 || argc > 3)
  23     {
  24         usage(argv[0]);
  25         return 1;
  26     }
  27     infile = fopen(argv[1], "r");
  28     if (argc < 3)
  29     {
  30         outfile = stdout;
  31     }
  32     else
  33     {
  34         outfile = fopen(argv[2], "w");
  35     }
  36     while (fgets(in_buffer, BUF_SIZE, infile) != NULL)
  37     {
  38                 int ii, jj;
  39         int len;
  40                 int eol = 0;
  41         // Step on any CR LF at end of line
  42         len = strlen(in_buffer);
  43         if (len > 1 && in_buffer[len-1] == '\n' && in_buffer[len-2] == '\r')
  44                 {
  45                         in_buffer[len-1] = 0;
  46                         in_buffer[len-2] = 0;
  47                         eol = 1;
  48                 }
  49         else if (len > 0 && in_buffer[len-1] == '\n')
  50                 {
  51                         in_buffer[len-1] = 0;
  52                         eol = 1;
  53                 }
  54                 for (jj = 0, ii = 0; ii < len; ii++)
  55                 {
  56                         if (in_buffer[ii] == '"')
  57                         {
  58                                 out_buffer[jj++] = '\\';
  59                                 out_buffer[jj++] = in_buffer[ii];
  60                         }
  61                 else if (in_buffer[ii] == '\r')
  62                         { // Skip it
  63                         }
  64                         else
  65                         {
  66                                 out_buffer[jj++] = in_buffer[ii];
  67                         }
  68                 }
  69                 out_buffer[jj] = 0;
  70                 if (eol)
  71                 fprintf(outfile, "\"%s\\n\"\n", out_buffer);
  72                 else
  73                 fprintf(outfile, "\"%s\"\n", out_buffer);
  74     }
  75     fclose(infile);
  76     fclose(outfile);
  77         return 0;
  78 }