Mercurial > code
annotate C/port/err.c @ 396:30788c97c58c
Merge branch 'master' of malikania.fr:code
author | David Demelier <markand@malikania.fr> |
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date | Mon, 28 Sep 2015 19:40:26 +0200 |
parents | 0b576ee64d45 |
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rev | line source |
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1 /* |
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2 * err.c -- formtted error messages (portable version) |
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3 * |
98 | 4 * Copyright (c) 2011, 2012, David Demelier <markand@malikania.fr> |
18
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5 * |
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6 * Permission to use, copy, modify, and/or distribute this software for any |
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7 * purpose with or without fee is hereby granted, provided that the above |
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8 * copyright notice and this permission notice appear in all copies. |
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9 * |
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10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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17 */ |
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18 |
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19 #include <stdio.h> |
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20 #include <stdlib.h> |
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21 #include <stdarg.h> |
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22 #include <string.h> |
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23 #include <errno.h> |
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24 |
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25 #include "err.h" |
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26 |
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27 /* |
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28 * These functions implements at least the same functions that can be found |
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29 * in the NetBSD err(3) man page without printing the programe name due to |
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30 * a portability issue. |
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31 */ |
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32 |
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33 void |
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34 err(int val, const char *fmt, ...) |
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35 { |
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36 va_list ap; |
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37 |
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38 va_start(ap, fmt); |
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39 verr(val, fmt, ap); |
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40 va_end(ap); |
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41 } |
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42 |
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43 void |
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44 verr(int val, const char *fmt, va_list ap) |
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45 { |
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46 if (fmt) { |
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47 vfprintf(stderr, fmt, ap); |
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48 fprintf(stderr, ": "); |
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49 } |
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50 |
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51 fprintf(stderr, "%s\n", strerror(errno)); |
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52 exit(val); |
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53 } |
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54 |
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55 void |
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56 errx(int val, const char *fmt, ...) |
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57 { |
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58 va_list ap; |
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59 |
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60 va_start(ap, fmt); |
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61 verrx(val, fmt, ap); |
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62 va_end(ap); |
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63 } |
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64 |
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65 void |
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66 verrx(int val, const char *fmt, va_list ap) |
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67 { |
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68 if (fmt) |
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69 vfprintf(stderr, fmt, ap); |
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70 |
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71 fprintf(stderr, "\n"); |
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72 |
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73 exit(val); |
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74 } |
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75 |
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76 void |
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77 warn(const char *fmt, ...) |
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78 { |
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79 va_list ap; |
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80 |
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81 va_start(ap, fmt); |
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82 vwarn(fmt, ap); |
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83 va_end(ap); |
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84 } |
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85 |
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86 void |
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87 vwarn(const char *fmt, va_list ap) |
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88 { |
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89 if (fmt) { |
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90 vfprintf(stderr, fmt, ap); |
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91 fprintf(stderr, ": "); |
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92 } |
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93 |
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94 fprintf(stderr, "%s\n", strerror(errno)); |
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95 } |
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96 |
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97 void |
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98 warnx(const char *fmt, ...) |
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99 { |
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100 va_list ap; |
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101 |
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102 va_start(ap, fmt); |
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103 vwarnx(fmt, ap); |
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104 va_end(ap); |
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105 } |
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106 |
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107 void |
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108 vwarnx(const char *fmt, va_list ap) |
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109 { |
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110 if (fmt) |
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111 vfprintf(stderr, fmt, ap); |
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112 |
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113 fprintf(stderr, "\n"); |
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114 } |