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											2012-09-08 14:00:51 -04:00
										 |  |  | /*
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							|  |  |  |  * Copyright (C) 2010 Red Hat Inc, Steven Rostedt <srostedt@redhat.com> | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | 
					
						
							|  |  |  |  * This program is free software; you can redistribute it and/or | 
					
						
							|  |  |  |  * modify it under the terms of the GNU Lesser General Public | 
					
						
							|  |  |  |  * License as published by the Free Software Foundation; | 
					
						
							|  |  |  |  * version 2.1 of the License (not later!) | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  * This program is distributed in the hope that it will be useful, | 
					
						
							|  |  |  |  * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
					
						
							|  |  |  |  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
					
						
							|  |  |  |  * GNU Lesser General Public License for more details. | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  * You should have received a copy of the GNU Lesser General Public | 
					
						
							|  |  |  |  * License along with this program; if not,  see <http://www.gnu.org/licenses>
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							|  |  |  |  * | 
					
						
							|  |  |  |  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | 
					
						
							|  |  |  |  */ | 
					
						
							| 
									
										
										
										
											2012-04-06 00:47:53 +02:00
										 |  |  | #include <stdio.h>
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							|  |  |  | #include <stdlib.h>
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							|  |  |  | #include <string.h>
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							|  |  |  | #include <stdarg.h>
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							|  |  |  | #include <errno.h>
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							|  |  |  | 
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							|  |  |  | #define __weak __attribute__((weak))
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							|  |  |  | 
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							|  |  |  | void __vdie(const char *fmt, va_list ap) | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  | 	int ret = errno; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	if (errno) | 
					
						
							|  |  |  | 		perror("trace-cmd"); | 
					
						
							|  |  |  | 	else | 
					
						
							|  |  |  | 		ret = -1; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	fprintf(stderr, "  "); | 
					
						
							|  |  |  | 	vfprintf(stderr, fmt, ap); | 
					
						
							|  |  |  | 
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							|  |  |  | 	fprintf(stderr, "\n"); | 
					
						
							|  |  |  | 	exit(ret); | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
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							|  |  |  | void __die(const char *fmt, ...) | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  | 	va_list ap; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	va_start(ap, fmt); | 
					
						
							|  |  |  | 	__vdie(fmt, ap); | 
					
						
							|  |  |  | 	va_end(ap); | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
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							|  |  |  | void __weak die(const char *fmt, ...) | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  | 	va_list ap; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	va_start(ap, fmt); | 
					
						
							|  |  |  | 	__vdie(fmt, ap); | 
					
						
							|  |  |  | 	va_end(ap); | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
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							|  |  |  | void __vwarning(const char *fmt, va_list ap) | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  | 	if (errno) | 
					
						
							|  |  |  | 		perror("trace-cmd"); | 
					
						
							|  |  |  | 	errno = 0; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	fprintf(stderr, "  "); | 
					
						
							|  |  |  | 	vfprintf(stderr, fmt, ap); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	fprintf(stderr, "\n"); | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
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							|  |  |  | void __warning(const char *fmt, ...) | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  | 	va_list ap; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	va_start(ap, fmt); | 
					
						
							|  |  |  | 	__vwarning(fmt, ap); | 
					
						
							|  |  |  | 	va_end(ap); | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
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							|  |  |  | void __weak warning(const char *fmt, ...) | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  | 	va_list ap; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	va_start(ap, fmt); | 
					
						
							|  |  |  | 	__vwarning(fmt, ap); | 
					
						
							|  |  |  | 	va_end(ap); | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
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							|  |  |  | void __vpr_stat(const char *fmt, va_list ap) | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  | 	vprintf(fmt, ap); | 
					
						
							|  |  |  | 	printf("\n"); | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
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							|  |  |  | void __pr_stat(const char *fmt, ...) | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  | 	va_list ap; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	va_start(ap, fmt); | 
					
						
							|  |  |  | 	__vpr_stat(fmt, ap); | 
					
						
							|  |  |  | 	va_end(ap); | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
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							|  |  |  | void __weak vpr_stat(const char *fmt, va_list ap) | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  | 	__vpr_stat(fmt, ap); | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
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							|  |  |  | void __weak pr_stat(const char *fmt, ...) | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  | 	va_list ap; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	va_start(ap, fmt); | 
					
						
							|  |  |  | 	__vpr_stat(fmt, ap); | 
					
						
							|  |  |  | 	va_end(ap); | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
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							|  |  |  | void __weak *malloc_or_die(unsigned int size) | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  | 	void *data; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	data = malloc(size); | 
					
						
							|  |  |  | 	if (!data) | 
					
						
							|  |  |  | 		die("malloc"); | 
					
						
							|  |  |  | 	return data; | 
					
						
							|  |  |  | } |