mysate中stat命令的实现方法

目录一、stat（1）二、man-k,grep-r的使用三、伪代码四、产品代码mystate.c的码云链接五、测试代码，mystat与stat（1）对比一、stat（1）stat作用：用来显...

目录

一、stat（1）

二、man -k ,grep -r的使用

三、伪代码

声明结构体
读入命令行文件路径
调用stat()函数给结构体赋值
逐个打印结构体中的数据

四、产品代码 mystate.c的码云链接

#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);
}

五、测试代码，mystat 与stat（1）对比

到此这篇关于mysate中stat命令的实现方法的文章就介绍到这了,更多相关mysate中stat命令内容请搜索我们以前的文章或继续浏览下面的相关文章希望大家以后多多支持我们！