t/helper/test-crontab.c

   1 #include "test-tool.h"
   2 #include "cache.h"
   3
   4 /*
   5  * Usage: test-tool cron <file> [-l]
   6  *
   7  * If -l is specified, then write the contents of <file> to stdout.
   8  * Otherwise, write from stdin 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 && !strcmp(argv[2], "-l")) {
  16                 from = fopen(argv[1], "r");
  17                 if (!from)
  18                         return 0;
  19                 to = stdout;
  20         } else if (argc == 2) {
  21                 from = stdin;
  22                 to = fopen(argv[1], "w");
  23         } else
  24                 return error("unknown arguments");
  25
  26         while ((a = fgetc(from)) != EOF)
  27                 fputc(a, to);
  28
  29         if (argc == 3)
  30                 fclose(from);
  31         else
  32                 fclose(to);
  33
  34         return 0;
  35 }