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error: Add error_set_win32 and error_setg_win32

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These functions help maintaining homogeneous formatting of error messages
with Windows error code and description (generated by
g_win32_error_message()).

Signed-off-by: Tomoki Sekiyama <tomoki.sekiyama@hds.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
This commit is contained in:
Tomoki Sekiyama 2013-08-07 11:40:11 -04:00 • committed by Michael Roth
parent d9840e2592
commit 20840d4cfe
2 changed files with 48 additions and 0 deletions
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35
util/error.c
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@ -76,6 +76,41 @@ void error_setg_file_open(Error **errp, int os_errno, const char *filename)
error_setg_errno(errp, os_errno, "Could not open '%s'", filename);
}
#ifdef _WIN32
void error_set_win32(Error **errp, int win32_err, ErrorClass err_class,
const char *fmt, ...)
{
Error *err;
char *msg1;
va_list ap;
if (errp == NULL) {
return;
}
assert(*errp == NULL);
err = g_malloc0(sizeof(*err));
va_start(ap, fmt);
msg1 = g_strdup_vprintf(fmt, ap);
if (win32_err != 0) {
char *msg2 = g_win32_error_message(win32_err);
err->msg = g_strdup_printf("%s: %s (error: %x)", msg1, msg2,
(unsigned)win32_err);
g_free(msg2);
g_free(msg1);
} else {
err->msg = msg1;
}
va_end(ap);
err->err_class = err_class;
*errp = err;
}
#endif
Error *error_copy(const Error *err)
{
Error *err_new;