t/helper/test-crontab.c

   1 #include "test-tool.h"
   2 #include "cache.h"
   3
   4 /*
   5  * Usage: test-tool crontab <file> -l|<input>
   6  *
   7  * If -l is specified, then write the contents of <file> to stdout.
   8  * Otherwise, copy the contents of <input> into <file>.
   9  */
  10 int cmd__crontab(int argc, const char **argv)
  11 {
  12         int a;
  13         FILE *from, *to;
  14
  15         if (argc != 3)
  16                 usage("test-tool crontab <file> -l|<input>");
  17
  18         if (!strcmp(argv[2], "-l")) {
  19                 from = fopen(argv[1], "r");
  20                 if (!from)
  21                         return 0;
  22                 to = stdout;
  23         } else {
  24                 from = xfopen(argv[2], "r");
  25                 to = xfopen(argv[1], "w");
  26         }
  27
  28         while ((a = fgetc(from)) != EOF)
  29                 fputc(a, to);
  30
  31         fclose(from);
  32         if (to != stdout)
  33                 fclose(to);
  34
  35         return 0;
  36 }