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144 lines
3.3 KiB
C
144 lines
3.3 KiB
C
/* $Id: cfg.c,v 1.27 2010-06-06 00:04:18 tcunha Exp $ */
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/*
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* Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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#include "tmux.h"
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/*
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* Config file parser. Pretty quick and simple, each line is parsed into a
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* argv array and executed as a command.
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*/
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void printflike2 cfg_print(struct cmd_ctx *, const char *, ...);
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void printflike2 cfg_error(struct cmd_ctx *, const char *, ...);
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char *cfg_cause;
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int cfg_finished;
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struct causelist cfg_causes = ARRAY_INITIALIZER;
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/* ARGSUSED */
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void printflike2
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cfg_print(unused struct cmd_ctx *ctx, unused const char *fmt, ...)
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{
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}
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/* ARGSUSED */
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void printflike2
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cfg_error(unused struct cmd_ctx *ctx, const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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xvasprintf(&cfg_cause, fmt, ap);
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va_end(ap);
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}
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void printflike2
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cfg_add_cause(struct causelist *causes, const char *fmt, ...)
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{
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char *cause;
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va_list ap;
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va_start(ap, fmt);
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xvasprintf(&cause, fmt, ap);
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va_end(ap);
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ARRAY_ADD(causes, cause);
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}
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/*
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* Load configuration file. Returns -1 for an error with a list of messages in
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* causes. Note that causes must be initialised by the caller!
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*/
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int
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load_cfg(const char *path, struct cmd_ctx *ctxin, struct causelist *causes)
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{
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FILE *f;
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u_int n;
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char *buf, *line, *cause;
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size_t len;
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struct cmd_list *cmdlist;
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struct cmd_ctx ctx;
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if ((f = fopen(path, "rb")) == NULL) {
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cfg_add_cause(causes, "%s: %s", path, strerror(errno));
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return (-1);
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}
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n = 0;
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line = NULL;
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while ((buf = fgetln(f, &len))) {
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if (buf[len - 1] == '\n')
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buf[len - 1] = '\0';
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else {
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line = xrealloc(line, 1, len + 1);
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memcpy(line, buf, len);
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line[len] = '\0';
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buf = line;
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}
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n++;
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if (cmd_string_parse(buf, &cmdlist, &cause) != 0) {
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if (cause == NULL)
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continue;
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cfg_add_cause(causes, "%s: %u: %s", path, n, cause);
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xfree(cause);
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continue;
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}
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if (cmdlist == NULL)
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continue;
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cfg_cause = NULL;
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if (ctxin == NULL) {
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ctx.msgdata = NULL;
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ctx.curclient = NULL;
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ctx.cmdclient = NULL;
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} else {
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ctx.msgdata = ctxin->msgdata;
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ctx.curclient = ctxin->curclient;
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ctx.cmdclient = ctxin->cmdclient;
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}
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ctx.error = cfg_error;
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ctx.print = cfg_print;
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ctx.info = cfg_print;
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cfg_cause = NULL;
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cmd_list_exec(cmdlist, &ctx);
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cmd_list_free(cmdlist);
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if (cfg_cause != NULL) {
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cfg_add_cause(causes, "%s: %d: %s", path, n, cfg_cause);
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xfree(cfg_cause);
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continue;
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}
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}
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if (line != NULL)
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xfree(line);
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fclose(f);
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if (ARRAY_LENGTH(causes) != 0)
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return (-1);
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return (0);
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}
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