blob: be55c51d11583278d8f50f0c1058d3675dca0fa2 [file] [log] [blame] [raw]
/* $Id: cfg.c,v 1.11 2008-06-19 21:20:24 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 <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.
*/
char *cfg_string(FILE *, char, int);
void printflike2 cfg_print(struct cmd_ctx *, const char *, ...);
void printflike2 cfg_error(struct cmd_ctx *, const char *, ...);
char *cfg_cause;
void printflike2
cfg_print(unused struct cmd_ctx *ctx, unused const char *fmt, ...)
{
}
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);
}
int
load_cfg(const char *path, char **cause)
{
FILE *f;
u_int n;
char *buf, *line, *ptr;
size_t len;
struct cmd *cmd;
struct cmd_ctx ctx;
if ((f = fopen(path, "rb")) == NULL) {
xasprintf(cause, "%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 = cmd_string_parse(buf, cause)) == NULL) {
if (*cause == NULL)
continue;
goto error;
}
cfg_cause = NULL;
ctx.msgdata = NULL;
ctx.cursession = NULL;
ctx.curclient = NULL;
ctx.error = cfg_error;
ctx.print = cfg_print;
ctx.info = cfg_print;
ctx.cmdclient = NULL;
ctx.flags = 0;
cfg_cause = NULL;
cmd_exec(cmd, &ctx);
cmd_free(cmd);
if (cfg_cause != NULL) {
*cause = cfg_cause;
goto error;
}
}
if (line != NULL)
xfree(line);
return (0);
error:
xasprintf(&ptr, "%s: %s at line %u", path, *cause, n);
xfree(*cause);
*cause = ptr;
return (1);
}