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
|
#include "lib9.h"
#include <Windows.h>
static char errstring[ERRMAX];
enum
{
Magic = 0xffffff
};
static void
winerror(int e, char *buf, uint nerr)
{
int r;
char buf2[ERRMAX], *p, *q;
r = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM,
0, e, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
buf2, sizeof(buf2), 0);
if(r == 0)
snprint(buf2, ERRMAX, "windows error %d", e);
q = buf2;
for(p = buf2; *p; p++) {
if(*p == '\r')
continue;
if(*p == '\n')
*q++ = ' ';
else
*q++ = *p;
}
*q = '\0';
utfecpy(buf, buf+nerr, buf2);
}
void
werrstr(char *fmt, ...)
{
va_list arg;
va_start(arg, fmt);
vseprint(errstring, errstring+sizeof(errstring), fmt, arg);
va_end(arg);
SetLastError(Magic);
}
int
errstr(char *buf, uint nerr)
{
DWORD le;
le = GetLastError();
if(le == Magic)
utfecpy(buf, buf+nerr, errstring);
else
winerror(le, buf, nerr);
return 1;
}
void
oserrstr(char *buf, uint nerr)
{
winerror(GetLastError(), buf, nerr);
}
|
