1 /*
2 * Copyright (c) 2009-2021, Google LLC
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of Google LLC nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL Google LLC BE LIABLE FOR ANY DIRECT,
20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 #include "upb/base/status.h"
29
30 #include <errno.h>
31 #include <float.h>
32 #include <stdarg.h>
33 #include <stdlib.h>
34 #include <string.h>
35
36 // Must be last.
37 #include "upb/port/def.inc"
38
upb_Status_Clear(upb_Status * status)39 void upb_Status_Clear(upb_Status* status) {
40 if (!status) return;
41 status->ok = true;
42 status->msg[0] = '\0';
43 }
44
upb_Status_IsOk(const upb_Status * status)45 bool upb_Status_IsOk(const upb_Status* status) { return status->ok; }
46
upb_Status_ErrorMessage(const upb_Status * status)47 const char* upb_Status_ErrorMessage(const upb_Status* status) {
48 return status->msg;
49 }
50
upb_Status_SetErrorMessage(upb_Status * status,const char * msg)51 void upb_Status_SetErrorMessage(upb_Status* status, const char* msg) {
52 if (!status) return;
53 status->ok = false;
54 strncpy(status->msg, msg, _kUpb_Status_MaxMessage - 1);
55 status->msg[_kUpb_Status_MaxMessage - 1] = '\0';
56 }
57
upb_Status_SetErrorFormat(upb_Status * status,const char * fmt,...)58 void upb_Status_SetErrorFormat(upb_Status* status, const char* fmt, ...) {
59 va_list args;
60 va_start(args, fmt);
61 upb_Status_VSetErrorFormat(status, fmt, args);
62 va_end(args);
63 }
64
upb_Status_VSetErrorFormat(upb_Status * status,const char * fmt,va_list args)65 void upb_Status_VSetErrorFormat(upb_Status* status, const char* fmt,
66 va_list args) {
67 if (!status) return;
68 status->ok = false;
69 vsnprintf(status->msg, sizeof(status->msg), fmt, args);
70 status->msg[_kUpb_Status_MaxMessage - 1] = '\0';
71 }
72
upb_Status_VAppendErrorFormat(upb_Status * status,const char * fmt,va_list args)73 void upb_Status_VAppendErrorFormat(upb_Status* status, const char* fmt,
74 va_list args) {
75 size_t len;
76 if (!status) return;
77 status->ok = false;
78 len = strlen(status->msg);
79 vsnprintf(status->msg + len, sizeof(status->msg) - len, fmt, args);
80 status->msg[_kUpb_Status_MaxMessage - 1] = '\0';
81 }
82