t/helper/test-crontab.c

   1 #include "test-tool.h"
   2
   3 /*
   4  * Usage: test-tool crontab <file> -l|<input>
   5  *
   6  * If -l is specified, then write the contents of <file> to stdout.
   7  * Otherwise, copy the contents of <input> into <file>.
   8  */
   9 int cmd__crontab(int argc, const char **argv)
  10 {
  11         int a;
  12         FILE *from, *to;
  13
  14         if (argc != 3)
  15                 usage("test-tool crontab <file> -l|<input>");
  16
  17         if (!strcmp(argv[2], "-l")) {
  18                 from = fopen(argv[1], "r");
  19                 if (!from)
  20                         return 0;
  21                 to = stdout;
  22         } else {
  23                 from = xfopen(argv[2], "r");
  24                 to = xfopen(argv[1], "w");
  25         }
  26
  27         while ((a = fgetc(from)) != EOF)
  28                 fputc(a, to);
  29
  30         fclose(from);
  31         if (to != stdout)
  32                 fclose(to);
  33
  34         return 0;
  35 }