Jon Stanley | 2d2481d | 2012-09-08 14:00:51 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 Red Hat Inc, Steven Rostedt <srostedt@redhat.com> |
| 3 | * |
| 4 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU Lesser General Public |
| 7 | * License as published by the Free Software Foundation; |
| 8 | * version 2.1 of the License (not later!) |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU Lesser General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU Lesser General Public |
| 16 | * License along with this program; if not, see <http://www.gnu.org/licenses> |
| 17 | * |
| 18 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 19 | */ |
Steven Rostedt | f7d8235 | 2012-04-06 00:47:53 +0200 | [diff] [blame] | 20 | #include <stdio.h> |
| 21 | #include <stdlib.h> |
| 22 | #include <string.h> |
| 23 | #include <stdarg.h> |
| 24 | #include <errno.h> |
| 25 | |
| 26 | #define __weak __attribute__((weak)) |
| 27 | |
| 28 | void __vdie(const char *fmt, va_list ap) |
| 29 | { |
| 30 | int ret = errno; |
| 31 | |
| 32 | if (errno) |
| 33 | perror("trace-cmd"); |
| 34 | else |
| 35 | ret = -1; |
| 36 | |
| 37 | fprintf(stderr, " "); |
| 38 | vfprintf(stderr, fmt, ap); |
| 39 | |
| 40 | fprintf(stderr, "\n"); |
| 41 | exit(ret); |
| 42 | } |
| 43 | |
| 44 | void __die(const char *fmt, ...) |
| 45 | { |
| 46 | va_list ap; |
| 47 | |
| 48 | va_start(ap, fmt); |
| 49 | __vdie(fmt, ap); |
| 50 | va_end(ap); |
| 51 | } |
| 52 | |
| 53 | void __weak die(const char *fmt, ...) |
| 54 | { |
| 55 | va_list ap; |
| 56 | |
| 57 | va_start(ap, fmt); |
| 58 | __vdie(fmt, ap); |
| 59 | va_end(ap); |
| 60 | } |
| 61 | |
| 62 | void __vwarning(const char *fmt, va_list ap) |
| 63 | { |
| 64 | if (errno) |
| 65 | perror("trace-cmd"); |
| 66 | errno = 0; |
| 67 | |
| 68 | fprintf(stderr, " "); |
| 69 | vfprintf(stderr, fmt, ap); |
| 70 | |
| 71 | fprintf(stderr, "\n"); |
| 72 | } |
| 73 | |
| 74 | void __warning(const char *fmt, ...) |
| 75 | { |
| 76 | va_list ap; |
| 77 | |
| 78 | va_start(ap, fmt); |
| 79 | __vwarning(fmt, ap); |
| 80 | va_end(ap); |
| 81 | } |
| 82 | |
| 83 | void __weak warning(const char *fmt, ...) |
| 84 | { |
| 85 | va_list ap; |
| 86 | |
| 87 | va_start(ap, fmt); |
| 88 | __vwarning(fmt, ap); |
| 89 | va_end(ap); |
| 90 | } |
| 91 | |
| 92 | void __vpr_stat(const char *fmt, va_list ap) |
| 93 | { |
| 94 | vprintf(fmt, ap); |
| 95 | printf("\n"); |
| 96 | } |
| 97 | |
| 98 | void __pr_stat(const char *fmt, ...) |
| 99 | { |
| 100 | va_list ap; |
| 101 | |
| 102 | va_start(ap, fmt); |
| 103 | __vpr_stat(fmt, ap); |
| 104 | va_end(ap); |
| 105 | } |
| 106 | |
| 107 | void __weak vpr_stat(const char *fmt, va_list ap) |
| 108 | { |
| 109 | __vpr_stat(fmt, ap); |
| 110 | } |
| 111 | |
| 112 | void __weak pr_stat(const char *fmt, ...) |
| 113 | { |
| 114 | va_list ap; |
| 115 | |
| 116 | va_start(ap, fmt); |
| 117 | __vpr_stat(fmt, ap); |
| 118 | va_end(ap); |
| 119 | } |
| 120 | |
| 121 | void __weak *malloc_or_die(unsigned int size) |
| 122 | { |
| 123 | void *data; |
| 124 | |
| 125 | data = malloc(size); |
| 126 | if (!data) |
| 127 | die("malloc"); |
| 128 | return data; |
| 129 | } |