4 * Copyright IBM, Corp. 2011
7 * Anthony Liguori <aliguori@us.ibm.com>
9 * This work is licensed under the terms of the GNU LGPL, version 2. See
10 * the COPYING.LIB file in the top-level directory.
13 #include "qemu-common.h"
14 #include "qapi/error.h"
15 #include "qemu/error-report.h"
21 const char *src
, *func
;
27 static void error_do_abort(Error
*err
)
29 fprintf(stderr
, "Unexpected error in %s() at %s:%d:\n",
30 err
->func
, err
->src
, err
->line
);
31 error_report_err(err
);
35 static void error_setv(Error
**errp
,
36 const char *src
, int line
, const char *func
,
37 ErrorClass err_class
, const char *fmt
, va_list ap
)
40 int saved_errno
= errno
;
45 assert(*errp
== NULL
);
47 err
= g_malloc0(sizeof(*err
));
48 err
->msg
= g_strdup_vprintf(fmt
, ap
);
49 err
->err_class
= err_class
;
54 if (errp
== &error_abort
) {
63 void error_set_internal(Error
**errp
,
64 const char *src
, int line
, const char *func
,
65 ErrorClass err_class
, const char *fmt
, ...)
70 error_setv(errp
, src
, line
, func
, err_class
, fmt
, ap
);
74 void error_setg_internal(Error
**errp
,
75 const char *src
, int line
, const char *func
,
81 error_setv(errp
, src
, line
, func
, ERROR_CLASS_GENERIC_ERROR
, fmt
, ap
);
85 void error_setg_errno_internal(Error
**errp
,
86 const char *src
, int line
, const char *func
,
87 int os_errno
, const char *fmt
, ...)
91 int saved_errno
= errno
;
98 error_setv(errp
, src
, line
, func
, ERROR_CLASS_GENERIC_ERROR
, fmt
, ap
);
103 (*errp
)->msg
= g_strdup_printf("%s: %s", msg
, strerror(os_errno
));
110 void error_setg_file_open_internal(Error
**errp
,
111 const char *src
, int line
, const char *func
,
112 int os_errno
, const char *filename
)
114 error_setg_errno_internal(errp
, src
, line
, func
, os_errno
,
115 "Could not open '%s'", filename
);
120 void error_setg_win32_internal(Error
**errp
,
121 const char *src
, int line
, const char *func
,
122 int win32_err
, const char *fmt
, ...)
132 error_setv(errp
, src
, line
, func
, ERROR_CLASS_GENERIC_ERROR
, fmt
, ap
);
135 if (win32_err
!= 0) {
137 msg2
= g_win32_error_message(win32_err
);
138 (*errp
)->msg
= g_strdup_printf("%s: %s (error: %x)", msg1
, msg2
,
139 (unsigned)win32_err
);
147 Error
*error_copy(const Error
*err
)
151 err_new
= g_malloc0(sizeof(*err
));
152 err_new
->msg
= g_strdup(err
->msg
);
153 err_new
->err_class
= err
->err_class
;
158 ErrorClass
error_get_class(const Error
*err
)
160 return err
->err_class
;
163 const char *error_get_pretty(Error
*err
)
168 void error_report_err(Error
*err
)
170 error_report("%s", error_get_pretty(err
));
174 void error_free(Error
*err
)
182 void error_propagate(Error
**dst_errp
, Error
*local_err
)
184 if (local_err
&& dst_errp
== &error_abort
) {
185 error_do_abort(local_err
);
186 } else if (dst_errp
&& !*dst_errp
) {
187 *dst_errp
= local_err
;
188 } else if (local_err
) {
189 error_free(local_err
);