Mercurial > hg > th-libs

annotate th_util.c @ 0:bd61a80a6c54

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Initial import into Mercurial repository. Discarding old cvs/svn history here, because it's cluttered and commit messages are mostly crap.
author Matti Hamalainen <ccr@tnsp.org>
date Wed, 26 Mar 2008 04:41:58 +0200
parents
children 67f4a4233372
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0
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1 /*
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2 * Generic utility-functions, macros and defaults
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3 * Programmed and designed by Matti 'ccr' Hamalainen
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4 * (C) Copyright 2002-2008 Tecnic Software productions (TNSP)
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5 *
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6 * Please read file 'COPYING' for information on license and distribution.
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7 */
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8 #ifdef HAVE_CONFIG_H
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9 #include "config.h"
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10 #endif
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11 #include "th_util.h"
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12 #include <stdio.h>
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13
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14 /*
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15 * Default settings
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16 */
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17 #ifdef TH_NO_DEFAULTS
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18 #define TH_PROG_AUTHOR ""
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19 #define TH_PROG_LICENSE ""
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20 #else
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21 #define TH_PROG_AUTHOR "By Matti 'ccr' Hämäläinen (C) Copyright 2008 TNSP"
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22 #define TH_PROG_LICENSE "This software is licensed under GNU GPL version 2"
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23 #endif
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24
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25 BOOL th_isInitialized = FALSE;
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26 int th_verbosityLevel = 2;
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27 char *th_prog_name = NULL,
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28 *th_prog_fullname = NULL,
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29 *th_prog_version = NULL,
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30 *th_prog_author = NULL,
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31 *th_prog_license = NULL;
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32
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33
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34 /* Initialize th_util-library and global variables
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35 */
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36 void th_init(char *progName, char *progFullName, char *progVersion,
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37 char *progAuthor, char *progLicense)
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38 {
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39 th_prog_name = progName;
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40 th_prog_fullname = progFullName;
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41 th_prog_version = progVersion;
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42
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43 if (progAuthor)
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44 th_prog_author = progAuthor;
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45 else
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46 th_prog_author = TH_PROG_AUTHOR;
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47
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48 if (progLicense)
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49 th_prog_license = progLicense;
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50 else
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51 th_prog_license = TH_PROG_LICENSE;
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52
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53 th_isInitialized = TRUE;
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54 }
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55
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56
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57 /* Print formatted error, warning and information messages
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58 * TODO: Implement th_vfprintf() and friends?
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59 */
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60 void THERR(const char *pcFormat, ...)
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61 {
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62 va_list ap;
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63 assert(th_isInitialized);
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64
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65 va_start(ap, pcFormat);
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66 fprintf(stderr, "%s: ", th_prog_name);
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67 vfprintf(stderr, pcFormat, ap);
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68 va_end(ap);
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69 }
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70
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71
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72 void THMSG(int verbLevel, const char *pcFormat, ...)
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73 {
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74 va_list ap;
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75 assert(th_isInitialized);
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76
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77 /* Check if the current verbosity level is enough */
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78 if (th_verbosityLevel >= verbLevel) {
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79 va_start(ap, pcFormat);
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80 fprintf(stderr, "%s: ", th_prog_name);
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81 vfprintf(stderr, pcFormat, ap);
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82 va_end(ap);
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83 }
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84 }
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85
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86
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87 void THPRINT(int verbLevel, const char *pcFormat, ...)
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88 {
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89 va_list ap;
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90 assert(th_isInitialized);
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91
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92 /* Check if the current verbosity level is enough */
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93 if (th_verbosityLevel >= verbLevel) {
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94 va_start(ap, pcFormat);
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95 vfprintf(stderr, pcFormat, ap);
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96 va_end(ap);
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97 }
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98 }
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99
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100
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101 /* Memory handling routines
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102 */
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103 void *th_malloc(size_t l)
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104 {
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105 return malloc(l);
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106 }
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107
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108
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109 void *th_calloc(size_t n, size_t l)
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110 {
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111 return calloc(n, l);
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112 }
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113
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114
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115 void *th_realloc(void *p, size_t l)
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116 {
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117 return realloc(p, l);
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118 }
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119
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120
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121 void th_free(void *p)
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122 {
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123 /* Check for NULL pointers for portability due to some libc
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124 * implementations not handling free(NULL) too well.
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125 */
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126 if (p) free(p);
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127 }
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128
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129
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130 #ifndef HAVE_MEMSET
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131 void *th_memset(void *p, int c, size_t n)
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132 {
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133 unsigned char *dp = (unsigned char *) p;
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134
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135 while (n--)
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136 *(dp++) = c;
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137
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138 return p;
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139 }
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140 #endif