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
|
/* $OpenBSD: cfg.c,v 1.11 2010/05/25 19:47:30 nicm Exp $ */
/*
* Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include "tmux.h"
/*
* Config file parser. Pretty quick and simple, each line is parsed into a
* argv array and executed as a command.
*/
void printflike2 cfg_print(struct cmd_ctx *, const char *, ...);
void printflike2 cfg_error(struct cmd_ctx *, const char *, ...);
char *cfg_cause;
int cfg_finished;
struct causelist cfg_causes = ARRAY_INITIALIZER;
/* ARGSUSED */
void printflike2
cfg_print(unused struct cmd_ctx *ctx, unused const char *fmt, ...)
{
}
/* ARGSUSED */
void printflike2
cfg_error(unused struct cmd_ctx *ctx, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
xvasprintf(&cfg_cause, fmt, ap);
va_end(ap);
}
void printflike2
cfg_add_cause(struct causelist *causes, const char *fmt, ...)
{
char *cause;
va_list ap;
va_start(ap, fmt);
xvasprintf(&cause, fmt, ap);
va_end(ap);
ARRAY_ADD(causes, cause);
}
/*
* Load configuration file. Returns -1 for an error with a list of messages in
* causes. Note that causes must be initialised by the caller!
*/
int
load_cfg(const char *path, struct cmd_ctx *ctxin, struct causelist *causes)
{
FILE *f;
u_int n;
char *buf, *line, *cause;
size_t len;
struct cmd_list *cmdlist;
struct cmd_ctx ctx;
if ((f = fopen(path, "rb")) == NULL) {
cfg_add_cause(causes, "%s: %s", path, strerror(errno));
return (-1);
}
n = 0;
line = NULL;
while ((buf = fgetln(f, &len))) {
if (buf[len - 1] == '\n')
buf[len - 1] = '\0';
else {
line = xrealloc(line, 1, len + 1);
memcpy(line, buf, len);
line[len] = '\0';
buf = line;
}
n++;
if (cmd_string_parse(buf, &cmdlist, &cause) != 0) {
if (cause == NULL)
continue;
cfg_add_cause(causes, "%s: %u: %s", path, n, cause);
xfree(cause);
continue;
}
if (cmdlist == NULL)
continue;
cfg_cause = NULL;
if (ctxin == NULL) {
ctx.msgdata = NULL;
ctx.curclient = NULL;
ctx.cmdclient = NULL;
} else {
ctx.msgdata = ctxin->msgdata;
ctx.curclient = ctxin->curclient;
ctx.cmdclient = ctxin->cmdclient;
}
ctx.error = cfg_error;
ctx.print = cfg_print;
ctx.info = cfg_print;
cfg_cause = NULL;
cmd_list_exec(cmdlist, &ctx);
cmd_list_free(cmdlist);
if (cfg_cause != NULL) {
cfg_add_cause(causes, "%s: %d: %s", path, n, cfg_cause);
xfree(cfg_cause);
continue;
}
}
if (line != NULL)
xfree(line);
fclose(f);
if (ARRAY_LENGTH(causes) != 0)
return (-1);
return (0);
}
|
