tmux/cfg.c
Nicholas Marriott 8aba77b7be Instead of bailing out on the first configuration file error, carry on,
collecting all the errors, then start with the active window in more mode
displaying them.
2010-02-06 17:15:33 +00:00

149 lines
3.4 KiB
C

/* $OpenBSD$ */
/*
* 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;
char **cfg_causes;
u_int cfg_ncauses;
/* 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 printflike3
cfg_add_cause(u_int *ncauses, char ***causes, const char *fmt, ...)
{
char *cause;
va_list ap;
va_start(ap, fmt);
xvasprintf(&cause, fmt, ap);
va_end(ap);
*causes = xrealloc(*causes, *ncauses + 1, sizeof **causes);
(*causes)[(*ncauses)++] = cause;
}
/*
* Load configuration file. Returns -1 for an error with a list of messages in
* causes. Note that causes and ncauses must be initialised by the caller!
*/
int
load_cfg(
const char *path, struct cmd_ctx *ctxin, u_int *ncauses, char ***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(ncauses, 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(
ncauses, 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(
ncauses, causes, "%s: %d: %s", path, n, cfg_cause);
xfree(cfg_cause);
continue;
}
}
if (line != NULL)
xfree(line);
fclose(f);
if (*ncauses != 0)
return (-1);
return (0);
}