src/regression/statvfs.c

   1 // commit 7673acd31503016f2af93e187aac98da07af42b4 2014-03-12
   2 // internal statfs struct was wrong on mips
   3 // this test does various sanity checks to catch such bugs
   4 #include <string.h>
   5 #include <errno.h>
   6 #include <sys/statvfs.h>
   7 #include "test.h"
   8
   9 int main(void)
  10 {
  11         struct statvfs f;
  12
  13         if (statvfs("/", &f))
  14                 t_error("statvfs(\"/\") failed: %s\n", strerror(errno));
  15         if (f.f_bsize == 0 || f.f_bsize > 1<<28)
  16                 t_error("/ has bogus f_bsize: %lu\n", (unsigned long)f.f_bsize);
  17         if (f.f_blocks == 0)
  18                 t_error("/ has 0 blocks\n");
  19         if (f.f_blocks < f.f_bfree)
  20                 t_error("/ has more free blocks (%llu) than total blocks (%llu)\n",
  21                         (unsigned long long)f.f_bfree, (unsigned long long)f.f_blocks);
  22         if (f.f_blocks < f.f_bavail)
  23                 t_error("/ has more avail blocks (%llu) than total blocks (%llu)\n",
  24                         (unsigned long long)f.f_bavail, (unsigned long long)f.f_blocks);
  25         if (f.f_files == 0)
  26                 t_error("/ has 0 file nodes\n");
  27         if (f.f_files < f.f_ffree)
  28                 t_error("/ has more free file nodes (%llu) than total file nodes (%llu)\n",
  29                         (unsigned long long)f.f_ffree, (unsigned long long)f.f_files);
  30         if (f.f_files < f.f_favail)
  31                 t_error("/ has more avail file nodes (%llu) than total file nodes (%llu)\n",
  32                         (unsigned long long)f.f_favail, (unsigned long long)f.f_files);
  33         if (f.f_namemax > 1<<16 || f.f_namemax < 8)
  34                 t_error("/ has bogus f_namemax: %lu\n", (unsigned long)f.f_namemax);
  35
  36         return t_status;
  37 }