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/************************************************************************
*
* Purpose: Program to demonstrate the 'stat' function.
* The program will show the modification and access times
* plus the size of a file.
*
* Author: M J Leslie
*
* Date: 01-Jun-95 MJL Minor bug fixed.
* 13-Apr-95 MJL Inital Release
*
* Notes: This function is only available to Unix systems. If you
* are on a DOS machine, this will not compile.
*
* Compile: Change the #define (below) to a suitable file name on your
* system. The file name is not passed on the command line
* as I did not want to complicate the example.
*
************************************************************************/
#include <sys/stat.h> /* declare the 'stat' structure */
#include <sys/types.h>
#include <unistd.h>
#include <stdio.h> /* printf */
#include <time.h>
#define FILENAME "martin" /* PUT YOUR FILE NAME HERE */
/************************************************************************/
char * format_time(time_t cal_time);
void file_stat(char * filename);
/************************************************************************/
main()
{
file_stat(FILENAME);
}
/************************************************************************/
void file_stat(char * filename)
{
struct stat stat_p; /* 'stat_p' is a pointer to a structure
* of type 'stat'. */
/* Get stats for file and place them in
* the structure. */
if ( -1 == stat (filename, &stat_p))
{
printf(" Error occoured attempting to stat %s\n", filename);
exit(0);
}
/* Print a few structure members. */
printf("Stats for %s \n", filename);
printf("Modify time is %s", format_time(stat_p.st_mtime));
/* Access time does not get updated
if the filesystem is NFS mounted! */
printf("Access time is %s", format_time(stat_p.st_atime));
printf("File size is %d bytes\n", stat_p.st_size);
}
/************************************************************************/
char * format_time(time_t cal_time)
{
struct tm *time_struct;
static char string[30];
/* Put the calendar time into a structure
* if type 'tm'. */
time_struct=localtime(&cal_time);
/* Build a formatted date from the
* structure. */
strftime(string, sizeof string, "%h %e %H:%M\n", time_struct);
/* Return the date/time */
return(string);
}
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