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1 | /* Error reporting facilities. |
2 | ||
213516ef | 3 | Copyright (C) 1986-2023 Free Software Foundation, Inc. |
ef87c8bb GB |
4 | |
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 3 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
19 | ||
727605ca | 20 | #include "common-defs.h" |
ef87c8bb | 21 | #include "errors.h" |
a83c64f5 | 22 | #if defined (USE_WIN32API) || defined(__CYGWIN__) |
02d04eac TT |
23 | #include <windows.h> |
24 | #endif /* USE_WIN32API */ | |
ef87c8bb | 25 | |
268a13a5 | 26 | /* See gdbsupport/errors.h. */ |
ef87c8bb GB |
27 | |
28 | void | |
29 | warning (const char *fmt, ...) | |
30 | { | |
31 | va_list ap; | |
32 | ||
33 | va_start (ap, fmt); | |
34 | vwarning (fmt, ap); | |
35 | va_end (ap); | |
36 | } | |
37 | ||
268a13a5 | 38 | /* See gdbsupport/errors.h. */ |
ef87c8bb GB |
39 | |
40 | void | |
41 | error (const char *fmt, ...) | |
42 | { | |
43 | va_list ap; | |
44 | ||
45 | va_start (ap, fmt); | |
46 | verror (fmt, ap); | |
47 | va_end (ap); | |
48 | } | |
49 | ||
268a13a5 | 50 | /* See gdbsupport/errors.h. */ |
ef87c8bb GB |
51 | |
52 | void | |
f34652de | 53 | internal_error_loc (const char *file, int line, const char *fmt, ...) |
ef87c8bb GB |
54 | { |
55 | va_list ap; | |
56 | ||
57 | va_start (ap, fmt); | |
58 | internal_verror (file, line, fmt, ap); | |
59 | va_end (ap); | |
60 | } | |
e3d6ba5d | 61 | |
268a13a5 | 62 | /* See gdbsupport/errors.h. */ |
e3d6ba5d GB |
63 | |
64 | void | |
f34652de | 65 | internal_warning_loc (const char *file, int line, const char *fmt, ...) |
e3d6ba5d GB |
66 | { |
67 | va_list ap; | |
68 | ||
69 | va_start (ap, fmt); | |
70 | internal_vwarning (file, line, fmt, ap); | |
71 | va_end (ap); | |
72 | } | |
02d04eac | 73 | |
40dfb28b AM |
74 | /* See errors.h. */ |
75 | ||
76 | std::string | |
77 | perror_string (const char *prefix, int errnum) | |
78 | { | |
79 | const char *err; | |
80 | ||
81 | if (errnum != 0) | |
82 | err = safe_strerror (errnum); | |
83 | else | |
84 | err = safe_strerror (errno); | |
85 | return std::string (prefix) + ": " + err; | |
86 | } | |
87 | ||
88 | /* See errors.h. */ | |
89 | ||
90 | void | |
91 | perror_with_name (const char *string, int errnum) | |
92 | { | |
93 | std::string combined = perror_string (string, errnum); | |
94 | ||
95 | error (_("%s."), combined.c_str ()); | |
96 | } | |
97 | ||
a83c64f5 | 98 | #if defined (USE_WIN32API) || defined(__CYGWIN__) |
02d04eac TT |
99 | |
100 | /* See errors.h. */ | |
101 | ||
102 | const char * | |
103 | strwinerror (ULONGEST error) | |
104 | { | |
105 | static char buf[1024]; | |
106 | TCHAR *msgbuf; | |
107 | DWORD lasterr = GetLastError (); | |
108 | DWORD chars = FormatMessage (FORMAT_MESSAGE_FROM_SYSTEM | |
109 | | FORMAT_MESSAGE_ALLOCATE_BUFFER, | |
110 | NULL, | |
111 | error, | |
112 | 0, /* Default language */ | |
113 | (LPTSTR) &msgbuf, | |
114 | 0, | |
115 | NULL); | |
116 | if (chars != 0) | |
117 | { | |
118 | /* If there is an \r\n appended, zap it. */ | |
119 | if (chars >= 2 | |
120 | && msgbuf[chars - 2] == '\r' | |
121 | && msgbuf[chars - 1] == '\n') | |
122 | { | |
123 | chars -= 2; | |
124 | msgbuf[chars] = 0; | |
125 | } | |
126 | ||
127 | if (chars > ARRAY_SIZE (buf) - 1) | |
128 | { | |
129 | chars = ARRAY_SIZE (buf) - 1; | |
130 | msgbuf [chars] = 0; | |
131 | } | |
132 | ||
133 | #ifdef UNICODE | |
134 | wcstombs (buf, msgbuf, chars + 1); | |
135 | #else | |
136 | strncpy (buf, msgbuf, chars + 1); | |
137 | #endif | |
138 | LocalFree (msgbuf); | |
139 | } | |
140 | else | |
141 | sprintf (buf, "unknown win32 error (%u)", (unsigned) error); | |
142 | ||
143 | SetLastError (lasterr); | |
144 | return buf; | |
145 | } | |
146 | ||
147 | #endif /* USE_WIN32API */ |