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
59
60
61
62
63
64
|
/*
* Simple _utime() wrapper for setting the mod. time on files
* to the current system time.
*
*/
#if !defined(_MSC_VER) && !defined(__MINGW32__) && !defined(_WIN32)
#error "Win32-only, the platform you're using is supposed to have 'touch' already."
#else
#include <stdio.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
#include <errno.h>
#include <utime.h>
int
main(int argc, char** argv)
{
int rc;
int i=0;
int fd;
int wBitSet = 0;
struct _stat sb;
if (argc == 1) {
fprintf(stderr, "Usage: %s <files>\n", argv[0]);
return 1;
}
while (i++ < (argc-1)) {
if ( (_access(argv[i], 00) < 0) && (errno == ENOENT || errno == EACCES) ) {
/* File doesn't exist, try creating it. */
if ( (fd = _open(argv[i], _O_CREAT | _O_EXCL | _O_TRUNC, _S_IREAD | _S_IWRITE)) < 0 ) {
fprintf(stderr, "Unable to create %s, skipping.\n", argv[i]);
} else {
_close(fd);
}
}
if ( (_access(argv[i], 02)) < 0 ) {
/* No write permission, try setting it first. */
if (_stat(argv[i], &sb) < 0) {
fprintf(stderr, "Unable to change mod. time for %s (%d)\n", argv[i], errno);
continue;
}
if (_chmod(argv[i], (sb.st_mode & _S_IREAD) | _S_IWRITE) < 0) {
fprintf(stderr, "Unable to change mod. time for %s (%d)\n", argv[i], errno);
continue;
}
wBitSet = 1;
}
if ( (rc = _utime(argv[i],NULL)) < 0) {
fprintf(stderr, "Unable to change mod. time for %s (%d)\n", argv[i], errno);
}
if (wBitSet) {
/* Turn the file back into a read-only file */
_chmod(argv[i], (sb.st_mode & _S_IREAD));
wBitSet = 0;
}
}
return 0;
}
#endif
|