1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
/***************************************************
* function : copy *
* purpose : copy one file *
* *
* arguments: path to source 'fromDir', *
* path to target 'toDir', *
* filename to copy 'fname' *
* *
* returns : nothing *
* *
* By : Peter Yard (29 May 1991) *
***************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <io.h>
void pmerge(char *path, char *drive, char *dir, char *fname, char *ext);
#define STDOUT fileno(stdout)
void copy(char *fromDir, char *fname, char *toDir)
{
FILE *nul; /* nul will redirect stdout to DOS 'nul' */
char from[FILENAME_MAX], to[FILENAME_MAX], comd[128];
int bytesRead, oldStdout;
/* Create the strings to describe the paths */
pmerge(from, NULL, fromDir, fname, NULL);
pmerge(to, NULL, toDir, fname, NULL);
/* Construct 'comd' string which is a dos command for a copy */
strcpy(comd, "copy ");
strcat(comd, from); strcat(comd, " ");
strcat(comd, to);
/* Redirect stdout to a nul file, kills output to the screen */
nul = fopen("NUL", "w");
oldStdout = dup(STDOUT);
dup2(fileno(nul), STDOUT);
fclose(nul);
system(comd); /* COPY file */
/* Restore stdout and close nul file */
dup2(oldStdout, STDOUT);
close(oldStdout);
/* Display file source and target, */
/* otherwise comment out the next line. */
printf("\n%s copied to %s",from,to);
}
|
