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
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
|
/* Copyright (C) 2000 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#include "mysys_priv.h"
#include "mysys_err.h"
#include <m_string.h>
#include <stdarg.h>
#include <m_ctype.h>
/* Define some external variables for error handling */
const char ** NEAR my_errmsg[MAXMAPS]={0,0,0,0};
char NEAR errbuff[NRERRBUFFS][ERRMSGSIZE];
/*
Error message to user
SYNOPSIS
my_error()
nr Errno
MyFlags Flags
... variable list
NOTE
The following subset of printf format is supported:
"%[0-9.-]*l?[sdu]", where all length flags are parsed but ignored.
Additionally "%.*s" is supported and "%.*[ud]" is correctly parsed but
length value is ignored.
*/
int my_error(int nr,myf MyFlags, ...)
{
va_list ap;
uint olen, plen;
reg1 const char *tpos;
reg2 char *endpos;
char * par;
char ebuff[ERRMSGSIZE+20];
int prec_chars;
my_bool prec_supplied;
DBUG_ENTER("my_error");
LINT_INIT(prec_chars); /* protected by prec_supplied */
va_start(ap,MyFlags);
DBUG_PRINT("my", ("nr: %d MyFlags: %d errno: %d", nr, MyFlags, errno));
if (nr / ERRMOD == GLOB && my_errmsg[GLOB] == 0)
init_glob_errs();
olen=(uint) strlen(tpos=my_errmsg[nr / ERRMOD][nr % ERRMOD]);
endpos=ebuff;
while (*tpos)
{
if (tpos[0] != '%')
{
*endpos++= *tpos++; /* Copy ordinary char */
continue;
}
if (*++tpos == '%') /* test if %% */
{
olen--;
}
else
{
/*
Skip size/precision flags to be compatible with printf.
The only size/precision flag supported is "%.*s".
"%.*u" and "%.*d" cause
*/
prec_supplied= 0;
if (*tpos== '.')
{
tpos++;
olen--;
if (*tpos == '*')
{
tpos++;
olen--;
prec_chars= va_arg(ap, int); /* get length parameter */
prec_supplied= 1;
}
}
if (!prec_supplied)
{
while (my_isdigit(&my_charset_latin1, *tpos) || *tpos == '.' ||
*tpos == '-')
tpos++;
if (*tpos == 'l') /* Skipp 'l' argument */
tpos++;
}
if (*tpos == 's') /* String parameter */
{
par = va_arg(ap, char *);
plen = (uint) strlen(par);
if (prec_supplied && prec_chars > 0)
plen= min((uint)prec_chars, plen);
if (olen + plen < ERRMSGSIZE+2) /* Replace if possible */
{
memcpy(endpos,par, plen);
endpos += plen;
tpos++;
olen+=plen-2;
continue;
}
}
else if (*tpos == 'd' || *tpos == 'u') /* Integer parameter */
{
register int iarg;
iarg = va_arg(ap, int);
if (*tpos == 'd')
plen= (uint) (int10_to_str((long) iarg, endpos, -10) - endpos);
else
plen= (uint) (int10_to_str((long) (uint) iarg, endpos, 10) - endpos);
if (olen + plen < ERRMSGSIZE+2) /* Replace parameter if possible */
{
endpos+=plen;
tpos++;
olen+=plen-2;
continue;
}
}
}
*endpos++='%'; /* % used as % or unknown code */
}
*endpos='\0'; /* End of errmessage */
va_end(ap);
DBUG_RETURN((*error_handler_hook)(nr, ebuff, MyFlags));
}
/*
Error as printf
SYNOPSIS
my_printf_error()
error Errno
format Format string
MyFlags Flags
... variable list
*/
int my_printf_error(uint error, const char *format, myf MyFlags, ...)
{
va_list args;
char ebuff[ERRMSGSIZE+20];
va_start(args,MyFlags);
(void) vsprintf (ebuff,format,args);
va_end(args);
return (*error_handler_hook)(error, ebuff, MyFlags);
}
/*
Give message using error_handler_hook
SYNOPSIS
my_message()
error Errno
str Error message
MyFlags Flags
*/
int my_message(uint error, const char *str, register myf MyFlags)
{
return (*error_handler_hook)(error, str, MyFlags);
}
|
