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
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
/* copyright (c) 2007 magnus auvinen, see licence.txt for more info */
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include "e_system.h"
#include "e_config.h"
/* buffered stream for reading lines, should perhaps be something smaller */
typedef struct
{
char buffer[4*1024];
unsigned buffer_pos;
unsigned buffer_size;
unsigned buffer_max_size;
IOHANDLE io;
} LINEREADER;
void linereader_init(LINEREADER *lr, IOHANDLE io)
{
lr->buffer_max_size = 4*1024;
lr->buffer_size = 0;
lr->buffer_pos = 0;
lr->io = io;
}
char *linereader_get(LINEREADER *lr)
{
unsigned line_start = lr->buffer_pos;
while(1)
{
if(lr->buffer_pos >= lr->buffer_size)
{
/* fetch more */
/* move the remaining part to the front */
unsigned read;
unsigned left = lr->buffer_size - line_start;
if(line_start > lr->buffer_size)
left = 0;
if(left)
mem_move(lr->buffer, &lr->buffer[line_start], left);
lr->buffer_pos = left;
/* fill the buffer */
read = io_read(lr->io, &lr->buffer[lr->buffer_pos], lr->buffer_max_size-lr->buffer_pos);
lr->buffer_size = left + read;
line_start = 0;
if(!read)
{
if(left)
{
lr->buffer[left] = 0; /* return the last line */
lr->buffer_pos = left;
lr->buffer_size = left;
return lr->buffer;
}
else
return 0x0; /* we are done! */
}
}
else
{
if(lr->buffer[lr->buffer_pos] == '\n' || lr->buffer[lr->buffer_pos] == '\r')
{
/* line found */
lr->buffer[lr->buffer_pos] = 0;
lr->buffer_pos++;
return &lr->buffer[line_start];
}
else
lr->buffer_pos++;
}
}
}
CONFIGURATION config;
void config_reset()
{
#define MACRO_CONFIG_INT(name,def,min,max) config.name = def;
#define MACRO_CONFIG_STR(name,len,def) strncpy(config.name, def, len);
#include "e_config_variables.h"
#undef MACRO_CONFIG_INT
#undef MACRO_CONFIG_STR
}
void strip_spaces(char **p)
{
char *s = *p;
char *end;
while (*s == ' ')
++s;
end = s + strlen(s);
while (end > s && *(end - 1) == ' ')
*--end = 0;
}
void config_set(const char *line)
{
const char *c = strchr(line, '=');
if (c)
{
char var[256];
char val[256];
char *var_str = var;
char *val_str = val;
strcpy(val, c+1);
mem_copy(var, line, c - line);
var[c - line] = 0;
strip_spaces(&var_str);
strip_spaces(&val_str);
#define MACRO_CONFIG_INT(name,def,min,max) { if (strcmp(#name, var_str) == 0) config_set_ ## name (&config, atoi(val_str)); }
#define MACRO_CONFIG_STR(name,len,def) { if (strcmp(#name, var_str) == 0) { config_set_ ## name (&config, val_str); } }
#include "e_config_variables.h"
#undef MACRO_CONFIG_INT
#undef MACRO_CONFIG_STR
}
}
void config_load(const char *filename)
{
IOHANDLE file;
dbg_msg("config/load", "loading %s", filename);
file = io_open(filename, IOFLAG_READ);
if(file)
{
char *line;
LINEREADER lr;
linereader_init(&lr, file);
while ((line = linereader_get(&lr)))
config_set(line);
io_close(file);
}
}
void config_save(const char *filename)
{
IOHANDLE file;
dbg_msg("config/save", "saving config to %s", filename);
file = io_open(filename, IOFLAG_WRITE);
if(file)
{
#if defined(CONF_FAMILY_WINDOWS)
const char newline[] = "\r\n";
#else
const char newline[] = "\n";
#endif
const int newline_len = sizeof(newline)-1;
#define MACRO_CONFIG_INT(name,def,min,max) { char str[256]; sprintf(str, "%s=%i%s", #name, config.name, newline); io_write(file, str, strlen(str)); }
#define MACRO_CONFIG_STR(name,len,def) { io_write(file, #name, strlen(#name)); io_write(file, "=", 1); io_write(file, config.name, strlen(config.name)); io_write(file, newline, newline_len); }
#include "e_config_variables.h"
#undef MACRO_CONFIG_INT
#undef MACRO_CONFIG_STR
io_close(file);
}
else
dbg_msg("config/save", "couldn't open %s for writing. :(", filename);
}
#define MACRO_CONFIG_INT(name,def,min,max) int config_get_ ## name (CONFIGURATION *c) { return c->name; }
#define MACRO_CONFIG_STR(name,len,def) const char *config_get_ ## name (CONFIGURATION *c) { return c->name; }
#include "e_config_variables.h"
#undef MACRO_CONFIG_INT
#undef MACRO_CONFIG_STR
#define MACRO_CONFIG_INT(name,def,min,max) void config_set_ ## name (CONFIGURATION *c, int val) { if(min != max) { if (val < min) val = min; if (max != 0 && val > max) val = max; } c->name = val; }
#define MACRO_CONFIG_STR(name,len,def) void config_set_ ## name (CONFIGURATION *c, const char *str) { strncpy(c->name, str, len-1); c->name[sizeof(c->name)-1] = 0; }
#include "e_config_variables.h"
#undef MACRO_CONFIG_INT
#undef MACRO_CONFIG_STR
|