tools/tests/darwintests/utimensat.c

   1 #include <sys/cdefs.h>
   2 #include <sys/param.h>
   3 #include <sys/stat.h>
   4 #include <sys/time.h>
   5 #include <errno.h>
   6 #include <fcntl.h>
   7 #include <limits.h>
   8 #include <paths.h>
   9 #include <stdio.h>
  10 #include <string.h>
  11 #include <unistd.h>
  12
  13 #include <darwintest.h>
  14 #include <darwintest_utils.h>
  15
  16 #define FILENAME "utimensat"
  17
  18 static const struct timespec tptr[][2] = {
  19         { { 0x12345678, 987654321 }, { 0x15263748, 123456789 }, },
  20
  21         { { 0, UTIME_NOW }, { 0x15263748, 123456789 }, },
  22         { { 0x12345678, 987654321 }, { 0, UTIME_NOW }, },
  23         { { 0, UTIME_NOW }, { 0, UTIME_NOW }, },
  24
  25         { { 0, UTIME_OMIT }, { 0x15263748, 123456789 }, },
  26         { { 0x12345678, 987654321 }, { 0, UTIME_OMIT }, },
  27         { { 0, UTIME_OMIT }, { 0, UTIME_OMIT }, },
  28
  29         { { 0, UTIME_NOW }, { 0, UTIME_OMIT }, },
  30         { { 0, UTIME_OMIT }, { 0, UTIME_NOW }, },
  31 };
  32
  33 T_DECL(utimensat, "Try various versions of utimensat")
  34 {
  35         T_SETUPBEGIN;
  36         T_ASSERT_POSIX_ZERO(chdir(dt_tmpdir()), NULL);
  37         T_SETUPEND;
  38
  39         struct stat pre_st, post_st;
  40         int fd;
  41
  42         T_ASSERT_POSIX_SUCCESS((fd = open(FILENAME, O_CREAT|O_RDWR, 0644)), NULL);
  43         T_ASSERT_POSIX_ZERO(close(fd), NULL);
  44
  45         for (size_t i = 0; i < sizeof(tptr)/sizeof(tptr[0]); i++) {
  46                 T_LOG("=== {%ld, %ld} {%ld, %ld} ===",
  47                                 tptr[i][0].tv_sec, tptr[i][0].tv_nsec,
  48                                 tptr[i][1].tv_sec, tptr[i][1].tv_nsec);
  49
  50                 struct timespec now;
  51                 clock_gettime(CLOCK_REALTIME, &now);
  52
  53                 T_ASSERT_POSIX_ZERO(stat(FILENAME, &pre_st), NULL);
  54                 T_ASSERT_POSIX_ZERO(utimensat(AT_FDCWD, FILENAME, tptr[i], 0), NULL);
  55                 T_ASSERT_POSIX_ZERO(stat(FILENAME, &post_st), NULL);
  56
  57                 if (tptr[i][0].tv_nsec == UTIME_NOW) {
  58                         T_ASSERT_GE(post_st.st_atimespec.tv_sec, now.tv_sec, NULL);
  59                 } else if (tptr[i][0].tv_nsec == UTIME_OMIT) {
  60                         T_ASSERT_EQ(post_st.st_atimespec.tv_sec, pre_st.st_atimespec.tv_sec, NULL);
  61                         T_ASSERT_EQ(post_st.st_atimespec.tv_nsec, pre_st.st_atimespec.tv_nsec, NULL);
  62                 } else {
  63                         T_ASSERT_EQ(post_st.st_atimespec.tv_sec, tptr[i][0].tv_sec, NULL);
  64                         T_ASSERT_EQ(post_st.st_atimespec.tv_nsec, tptr[i][0].tv_nsec, NULL);
  65                 }
  66
  67                 if (tptr[i][1].tv_nsec == UTIME_NOW) {
  68                         T_ASSERT_GE(post_st.st_mtimespec.tv_sec, now.tv_sec, NULL);
  69                 } else if (tptr[i][1].tv_nsec == UTIME_OMIT) {
  70                         T_ASSERT_EQ(post_st.st_mtimespec.tv_sec, pre_st.st_mtimespec.tv_sec, NULL);
  71                         T_ASSERT_EQ(post_st.st_mtimespec.tv_nsec, pre_st.st_mtimespec.tv_nsec, NULL);
  72                 } else {
  73                         T_ASSERT_EQ(post_st.st_mtimespec.tv_sec, tptr[i][1].tv_sec, NULL);
  74                         T_ASSERT_EQ(post_st.st_mtimespec.tv_nsec, tptr[i][1].tv_nsec, NULL);
  75                 }
  76         }
  77 }