tests/zfs-tests/cmd/cp_files.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <unistd.h>
   4 #include <sys/types.h>
   5 #include <sys/stat.h>
   6 #include <fcntl.h>
   7 #include <dirent.h>
   8 #include <errno.h>
   9 #include <string.h>
  10
  11 int
  12 main(int argc, char *argv[])
  13 {
  14         int tfd;
  15         DIR *sdir;
  16         struct dirent *dirent;
  17
  18         if (argc != 3) {
  19                 fprintf(stderr, "Usage: %s SRC DST\n", argv[0]);
  20                 exit(1);
  21         }
  22
  23         sdir = opendir(argv[1]);
  24         if (sdir == NULL) {
  25                 fprintf(stderr, "Failed to open %s: %s\n",
  26                     argv[1], strerror(errno));
  27                 exit(2);
  28         }
  29
  30         tfd = open(argv[2], O_DIRECTORY);
  31         if (tfd < 0) {
  32                 fprintf(stderr, "Failed to open %s: %s\n",
  33                     argv[2], strerror(errno));
  34                 closedir(sdir);
  35                 exit(3);
  36         }
  37
  38         while ((dirent = readdir(sdir)) != NULL) {
  39                 if (dirent->d_name[0] == '.' &&
  40                     (dirent->d_name[1] == '.' || dirent->d_name[1] == '\0'))
  41                         continue;
  42
  43                 int fd = openat(tfd, dirent->d_name, O_CREAT|O_WRONLY, 0666);
  44                 if (fd < 0) {
  45                         fprintf(stderr, "Failed to create %s/%s: %s\n",
  46                             argv[2], dirent->d_name, strerror(errno));
  47                         closedir(sdir);
  48                         close(tfd);
  49                         exit(4);
  50                 }
  51                 close(fd);
  52         }
  53
  54         closedir(sdir);
  55         close(tfd);
  56
  57         return (0);
  58 }