src/functional/stat.c

   1 #include <sys/stat.h>
   2 #include <errno.h>
   3 #include <string.h>
   4 #include <stdio.h>
   5 #include <time.h>
   6 #include <stdint.h>
   7 #include <unistd.h>
   8 #include "test.h"
   9
  10 #define TEST(c, ...) ((c) ? 1 : (t_error(#c" failed: " __VA_ARGS__),0))
  11
  12 int main(void)
  13 {
  14         struct stat st;
  15         FILE *f;
  16         time_t t;
  17
  18         if (TEST(stat(".",&st)==0, "errno = %s\n", strerror(errno))) {
  19                 TEST(S_ISDIR(st.st_mode), "\n");
  20                 TEST(st.st_nlink>0, "%ju\n", (uintmax_t)st.st_nlink);
  21                 t = time(0);
  22                 TEST(st.st_ctime<=t, "%jd > %jd\n", (intmax_t)st.st_ctime, (intmax_t)t);
  23                 TEST(st.st_mtime<=t, "%jd > %jd\n", (intmax_t)st.st_mtime, (intmax_t)t);
  24                 TEST(st.st_atime<=t, "%jd > %jd\n", (intmax_t)st.st_atime, (intmax_t)t);
  25         }
  26
  27         if (TEST(stat("/dev/null",&st)==0, "errno = %s\n", strerror(errno))) {
  28                 TEST(S_ISCHR(st.st_mode), "\n");
  29         }
  30
  31         if ((f = tmpfile())) {
  32                 fputs("hello", f);
  33                 fflush(f);
  34                 if (TEST(fstat(fileno(f),&st)==0, "errnp = %s\n", strerror(errno))) {
  35                         TEST(st.st_uid==geteuid(), "%d vs %d\n", (int)st.st_uid, (int)geteuid());
  36                         TEST(st.st_gid==getegid(), "%d vs %d\n", (int)st.st_uid, (int)geteuid());
  37                         TEST(st.st_size==5, "%jd vs 5\n", (intmax_t)st.st_size);
  38                 }
  39                 fclose(f);
  40         }
  41
  42         return t_status;
  43 }