程序4-6 utime函数实例

 //http://blog.chinaunix.net/uid-24549279-id-71355.html
 /*
  ============================================================================
  Name        : test.c
  Author      : blank
  Version     :
  Copyright   : Your copyright notice
  Description : 程序4-6 utime函数实例
  ============================================================================
 */

 #include <fcntl.h>
 #include <utime.h>
 #include <sys/stat.h>
 #include "ourhdr.h"

 int main(int argc, char *argv[])
 {
     int             i, fd;
     struct stat     statbuf;
     struct utimbuf     timebuf;

     for (i=; i<argc; i++){
         printf("argv[%d] = %s\n", i, argv[i]);
         if (stat(argv[i], &statbuf) < ){//fetch current times
             err_ret("%s: stat error", argv[]);
             continue;
         }

         if ((fd = open(argv[], O_RDWR|O_TRUNC)) < ){
             err_ret("%s: open error", argv[]);
             continue;
         }

         close(fd);
         timebuf.actime = statbuf.st_atim.tv_sec;
         timebuf.modtime = statbuf.st_mtim.tv_sec;
         if (utime(argv[i], &timebuf) < ){
             // retset time
             err_ret("%s: utime error", argv[i]);
             continue;
         }
     }
 }