linux下测试文件属性

最新推荐文章于 2022-12-17 17:01:52 发布

原创最新推荐文章于 2022-12-17 17:01:52 发布 · 432 阅读

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#linux C语言测试文件属性

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#include <sys/types.h>
#include <sys/stat.h>
#include <time.h>
#include <stdio.h>
#include <stdlib.h>

int main(int argc, char *argv[])
{
   struct stat sb;

   if (argc != 2) {
       fprintf(stderr, "Usage: %s <pathname>\n", argv[0]);
       exit(EXIT_FAILURE);
   }

   if (stat(argv[1], &sb) == -1) {
       perror("stat");
       exit(EXIT_FAILURE);
   }

   printf("File type:                ");

   switch (sb.st_mode & S_IFMT) {
   case S_IFBLK:  printf("block device\n");            break;
   case S_IFCHR:  printf("character device\n");        break;
   case S_IFDIR:  printf("directory\n");               break;
   case S_IFIFO:  printf("FIFO/pipe\n");               break;
   case S_IFLNK:  printf("symlink\n");                 break;
   case S_IFREG:  printf("regular file\n");            break;
   case S_IFSOCK: printf("socket\n");                  break;
   default:       printf("unknown?\n");                break;
   }

   printf("I-node number:            %ld\n", (long) sb.st_ino);





	printf("Mode:                     %lo (octal)\n",
           (unsigned long) sb.st_mode);

   printf("Link count:               %ld\n", (long) sb.st_nlink);
   printf("Ownership:                UID=%ld   GID=%ld\n",
           (long) sb.st_uid, (long) sb.st_gid);

   printf("Preferred I/O block size: %ld bytes\n",
           (long) sb.st_blksize);
   printf("File size:                %lld bytes\n",
           (long long) sb.st_size);
   printf("Blocks allocated:         %lld\n",
           (long long) sb.st_blocks);

   printf("Last status change:       %s", ctime(&sb.st_ctime));
   printf("Last file access:         %s", ctime(&sb.st_atime));
   printf("Last file modification:   %s", ctime(&sb.st_mtime));

   exit(EXIT_SUCCESS);
}