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
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
/*
* c_time - time functions
*
* Copyright (c) 2008-2013 by Andreas Schneider <asn@cryptomilk.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include "c_private.h"
#include "c_string.h"
#include "c_string.h"
#include "c_time.h"
struct timespec c_tspecdiff(struct timespec time1, struct timespec time0) {
struct timespec ret;
int xsec = 0;
int sign = 1;
if (time0.tv_nsec > time1.tv_nsec) {
xsec = (int) ((time0.tv_nsec - time1.tv_nsec) / (1E9 + 1));
time0.tv_nsec -= (long int) (1E9 * xsec);
time0.tv_sec += xsec;
}
if ((time1.tv_nsec - time0.tv_nsec) > 1E9) {
xsec = (int) ((time1.tv_nsec - time0.tv_nsec) / 1E9);
time0.tv_nsec += (long int) (1E9 * xsec);
time0.tv_sec -= xsec;
}
ret.tv_sec = time1.tv_sec - time0.tv_sec;
ret.tv_nsec = time1.tv_nsec - time0.tv_nsec;
if (time1.tv_sec < time0.tv_sec) {
sign = -1;
}
ret.tv_sec = ret.tv_sec * sign;
return ret;
}
double c_secdiff(struct timespec clock1, struct timespec clock0) {
double ret;
struct timespec diff;
diff = c_tspecdiff(clock1, clock0);
ret = diff.tv_sec;
ret += (double) diff.tv_nsec / (double) 1E9;
return ret;
}
#ifdef HAVE_UTIMES
int c_utimes(const char *uri, const struct timeval *times) {
mbchar_t *wuri = c_utf8_to_locale(uri);
int ret = utimes(wuri, times);
c_free_locale_string(wuri);
return ret;
}
#else // HAVE_UTIMES
#ifdef _WIN32
// implementation for utimes taken from KDE mingw headers
#include <errno.h>
#include <wtypes.h>
#define CSYNC_SECONDS_SINCE_1601 11644473600LL
#define CSYNC_USEC_IN_SEC 1000000LL
//after Microsoft KB167296
static void UnixTimevalToFileTime(struct timeval t, LPFILETIME pft)
{
LONGLONG ll;
ll = Int32x32To64(t.tv_sec, CSYNC_USEC_IN_SEC*10) + t.tv_usec*10 + CSYNC_SECONDS_SINCE_1601*CSYNC_USEC_IN_SEC*10;
pft->dwLowDateTime = (DWORD)ll;
pft->dwHighDateTime = ll >> 32;
}
int c_utimes(const char *uri, const struct timeval *times) {
FILETIME LastAccessTime;
FILETIME LastModificationTime;
HANDLE hFile;
mbchar_t *wuri = c_utf8_to_locale( uri );
if(times) {
UnixTimevalToFileTime(times[0], &LastAccessTime);
UnixTimevalToFileTime(times[1], &LastModificationTime);
}
else {
GetSystemTimeAsFileTime(&LastAccessTime);
GetSystemTimeAsFileTime(&LastModificationTime);
}
hFile=CreateFileW(wuri, FILE_WRITE_ATTRIBUTES, FILE_SHARE_DELETE | FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL+FILE_FLAG_BACKUP_SEMANTICS, NULL);
if(hFile==INVALID_HANDLE_VALUE) {
switch(GetLastError()) {
case ERROR_FILE_NOT_FOUND:
errno=ENOENT;
break;
case ERROR_PATH_NOT_FOUND:
case ERROR_INVALID_DRIVE:
errno=ENOTDIR;
break;
/*case ERROR_WRITE_PROTECT: //CreateFile sets ERROR_ACCESS_DENIED on read-only devices
* errno=EROFS;
* break;*/
case ERROR_ACCESS_DENIED:
errno=EACCES;
break;
default:
errno=ENOENT; //what other errors can occur?
}
return -1;
}
if(!SetFileTime(hFile, NULL, &LastAccessTime, &LastModificationTime)) {
//can this happen?
errno=ENOENT;
CloseHandle(hFile);
return -1;
}
CloseHandle(hFile);
c_free_locale_string(wuri);
return 0;
}
#endif // _WIN32
#endif // HAVE_UTIMES
|
