crawl-ref/source/errors.cc


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

/**
 * @file
 * @brief Handling of error conditions that are not program bugs.
**/

#include <stdarg.h>
#include <errno.h>
#include <string.h>

#include "AppHdr.h"
#include "errors.h"
#include "strings.h"

NORETURN void fail(const char *msg, ...)
{
    va_list args;
    va_start(args, msg);
    string buf = vmake_stringf(msg, args);
    va_end(args);

    // Do we want to call end() right on when there's no one trying catching,
    // or should we risk exception code mess things up?
    throw ext_fail_exception(buf);
}

NORETURN void sysfail(const char *msg, ...)
{
    va_list args;
    va_start(args, msg);
    string buf = vmake_stringf(msg, args);
    va_end(args);

    buf += ": ";
    buf += strerror(errno);

    throw ext_fail_exception(buf);
}

NORETURN void corrupted(const char *msg, ...)
{
    va_list args;
    va_start(args, msg);
    string buf = vmake_stringf(msg, args);
    va_end(args);

    throw corrupted_save(buf);
}