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			132 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			132 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* $Id: cfg.c,v 1.18 2009-06-25 16:21:32 nicm Exp $ */
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| 
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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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| 
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| #include <sys/types.h>
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| #include <sys/stat.h>
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| 
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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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| 
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| #include "tmux.h"
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| 
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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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| 
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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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| 
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| char	 *cfg_cause;
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| 
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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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| 
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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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| 
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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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| 
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| int
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| load_cfg(const char *path, char **cause)
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| {
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| 	FILE   	        *f;
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| 	u_int		 n;
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| 	struct stat	 sb;
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| 	char	        *buf, *line, *ptr;
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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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| 
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| 	if (stat(path, &sb) != 0) {
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| 		xasprintf(cause, "%s: %s", path, strerror(errno));
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| 		return (-1);
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| 	}
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| 	if (!S_ISREG(sb.st_mode)) {
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| 		xasprintf(cause, "%s: not a regular file", path);
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| 		return (-1);
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| 	}
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| 
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| 	if ((f = fopen(path, "rb")) == NULL) {
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| 		xasprintf(cause, "%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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| 
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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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| 
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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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| 			goto error;
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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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| 
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| 		ctx.msgdata = NULL;
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| 		ctx.cursession = NULL;
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| 		ctx.curclient = NULL;
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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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| 
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| 		ctx.cmdclient = NULL;
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| 
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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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| 			*cause = cfg_cause;
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| 			goto error;
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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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| 
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| 	return (0);
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| 
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| error:
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| 	fclose(f);
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| 
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| 	xasprintf(&ptr, "%s: %s at line %u", path, *cause, n);
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| 	xfree(*cause);
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| 	*cause = ptr;
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| 	return (1);
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| }
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