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
|
/* confparser.h - Configuration file parser for ck ---------------------*- C -*-
*
* This file is part of ck, the config keeper
*
* -----------------------------------------------------------------------------
*
* Copyright (C) 2018 Anastasis Grammenos
* GPLv3 (see LICENCE for the full notice)
*
* -------------------------------------------------------------------------- */
#include "ckutil.h"
#include "confparser.h"
#include "ckerrlog.h"
ERRLOG(configfile);
const char * const CONFIG_NAME = "/ckrc";
void conf_values_initialize(Conf *c) {
#define X(var, str, name) \
c->var = NULL;
CONFIG_VARIABLES_TABLE
#undef X
}
int read_next_line(char *line, FILE *f) {
char nextLine[STR_L];
if (fgets(nextLine, STR_L, f) == NULL) {
return -1;
}
strcpy(line, nextLine);
return 0;
}
ConfVar match_variables(char *line, char matched[]) {
if (line[0] == '#' || str_is_empty(line)) {
return CV_NO_VAL_OR_COMMENT;
}
#define X(var, str, name) \
if (sscanf(line, str, matched) == 1) { \
return CV_##var; \
}
CONFIG_VARIABLES_TABLE
#undef X
return -1;
}
void make_config_name(char * ret, const char *confPath) {
char tmp[STR_L];
strcpy(tmp, confPath);
strcat(tmp, CONFIG_NAME);
strcpy(ret, tmp);
}
int config_file_parse(Conf *conf, UserOpt *opt) {
LOG("Using '%s' for ck configuration directory", opt->confDir);
conf_values_initialize(conf);
FILE *confPtr;
char confName[STR_L];
char line[STR_L];
char matched[STR_L];
make_config_name(confName, opt->confDir);
if ((confPtr = fopen(confName, "r")) == NULL) {
ERR("%s is not readable, check the permissions.", confName)
return -1;
}
while (read_next_line(line, confPtr) == 0) {
if (strlen(line) > STR_L) {
return -1;
}
switch(match_variables(line, matched)) {
#define X(var, str, name) \
case CV_##var: \
conf->var = malloc(strlen(matched)+1); \
strcpy(conf->var, matched); \
if (!util_is_dir(matched)) { \
ERR("%s %s defined in config doesn't exist", \
name, conf->var); \
return -1; \
} \
LOG("Found %s: %s", name, conf->var); \
break;
CONFIG_VARIABLES_TABLE
#undef X
case CV_NO_VAL_OR_COMMENT:
break;
default:
ERR("In line: %s", line);
return -1;
}
}
return 0;
}
void free_conf(Conf *conf) {
#define X(var,str,name) \
if (conf->var) { \
free(conf->var); \
}
CONFIG_VARIABLES_TABLE
#undef X
}
|
