/* $Id: cfg.c,v 1.1.1.2 2011/08/17 18:40:04 jmmv Exp $ */ /* * Copyright (c) 2008 Nicholas Marriott * * 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 #include #include #include #include #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; int retval; if ((f = fopen(path, "rb")) == NULL) { cfg_add_cause(causes, "%s: %s", path, strerror(errno)); return (-1); } n = 0; line = NULL; retval = 0; 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; if (cmd_list_exec(cmdlist, &ctx) == 1) retval = 1; cmd_list_free(cmdlist); if (cfg_cause != NULL) { cfg_add_cause(causes, "%s: %d: %s", path, n, cfg_cause); xfree(cfg_cause); } } if (line != NULL) xfree(line); fclose(f); return (retval); }