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annotate th_util.h @ 197:88986d0b56ef

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Rename th_free_r() to th_free_r_real() and #define a macro wrapper for casting argument to (void **).
author Matti Hamalainen <ccr@tnsp.org>
date Thu, 11 Feb 2016 20:26:47 +0200
parents 87dac812cac4
children e4d6bba7d7a4
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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 2002-2015 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 #ifndef TH_UTIL_H
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9 #define TH_UTIL_H
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11 #ifdef HAVE_CONFIG_H
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12 #include "config.h"
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13 #endif
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14
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15 #if defined(__WIN64) || defined(_WIN64) || defined(__WIN32) || defined(_WIN32)
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16 # define TH_PLAT_WINDOWS 1
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17 #else
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18 # define TH_PLAT_UNIX 1
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19 #endif
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20
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21 #include "th_types.h"
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22 #include <stdio.h>
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23 #include <stdarg.h>
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24 #include <stdlib.h>
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25 #include <unistd.h>
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26 #include <sys/types.h>
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27 #ifndef HAVE_NO_ASSERT
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28 #include <assert.h>
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29 #endif
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30
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31 #ifdef HAVE_STRING_H
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32 #include <string.h>
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33 #else
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34 #ifdef HAVE_STRINGS_H
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35 #include <strings.h>
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36 #endif
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37 #endif
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38
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39 #ifdef HAVE_MEMORY_H
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40 #include <memory.h>
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41 #endif
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44 #ifdef __cplusplus
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45 extern "C" {
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46 #endif
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47
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48 #ifdef TH_NO_DEFAULTS
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49 #define TH_PROG_AUTHOR NULL
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50 #define TH_PROG_LICENSE NULL
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51 #else
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52 #define TH_PROG_AUTHOR "By Matti 'ccr' Hämäläinen (C) Copyright 2015 TNSP"
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53 #define TH_PROG_LICENSE "This software is licensed under GNU GPL version 2"
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54 #endif
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56
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57 // Replacement for assert()
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58 #ifdef HAVE_NO_ASSERT
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59 # ifdef NDEBUG
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60 # define assert(NEXPR) // stub
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61 # else
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62 # define assert(NEXPR) do { if (!(NEXPR)) { fprintf(stderr, "[%s:%d] assert(" # NEXPR ") failed!\n", __FILE__, __LINE__); abort(); } } while (0)
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63 # endif
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64 #endif
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66
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67 /* Error codes
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68 */
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69 enum
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70 {
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71 // General error codes
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72 THERR_OK = 0,
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73 THERR_PROGRESS, // Status OK, but operation in progress
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74
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75 THERR_INTERNAL,
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76
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77 THERR_FOPEN,
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78 THERR_FREAD,
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79 THERR_FWRITE,
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80 THERR_FSEEK,
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81 THERR_NOT_FOUND, // Resource/data not found
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82
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83 THERR_INVALID_DATA, // Some data was invalid
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84 THERR_MALLOC, // Memory allocation failure
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85 THERR_ALREADY_INIT, // Resource has already been initialized
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86 THERR_INIT_FAIL, // General initialization failure
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87 THERR_INVALID_ARGS,
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88
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89 THERR_NULLPTR, // NULL pointer specified in critical argument
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90 THERR_NOT_SUPPORTED,// Operation not supported
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91 THERR_OUT_OF_DATA,
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92 THERR_EXTRA_DATA,
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93 THERR_BOUNDS,
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95 THERR_TIMED_OUT,
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96 THERR_BUSY,
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97 THERR_IO_ERROR,
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98
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99 // Network errors
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100 THERR_AUTH_FAILED,
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101 };
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102
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103 #define TH_SYSTEM_ERRORS 100000
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104
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105 /* Log levels
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106 */
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107 enum
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108 {
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109 THLOG_NONE = 0,
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110 THLOG_ERROR,
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111 THLOG_WARNING,
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112 THLOG_INFO,
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113 THLOG_DEBUG,
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114 };
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115
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116
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117 /* Global variables
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118 */
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119 extern int th_verbosityLevel;
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120 extern char *th_prog_name,
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121 *th_prog_desc,
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122 *th_prog_version,
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123 *th_prog_author,
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124 *th_prog_license;
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125
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126 /* Functions
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127 */
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128 void th_init(char *name, char *desc, char *version,
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129 char *author, char *license);
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130 void th_print_banner(FILE *outFile, const char *binName, const char *usage);
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131
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132 int th_term_width();
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133 int th_term_height();
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134
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135 int th_get_error();
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136 int th_errno_to_error(int error);
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137 const char *th_error_str(int error);
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138
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139 void THERR(const char *fmt, ...);
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140 void THMSG(int level, const char *fmt, ...);
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141 void THPRINT(int level, const char *fmt, ...);
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143 void THERR_V(const char *fmt, va_list ap);
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144 void THMSG_V(int level, const char *fmt, va_list ap);
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145 void THPRINT_V(int level, const char *fmt, va_list ap);
11
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146
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147 void *th_malloc(size_t);
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148 void *th_malloc0(size_t);
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149 void *th_calloc(size_t, size_t);
194
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150 void *th_realloc(void *ptr, size_t);
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151 void th_free(void *ptr);
197
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152 void th_free_r_real(void **ptr);
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153
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154 #define th_free_r(ptr) th_free_r_real((void **) ptr)
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155
16
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156
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157 /* Doubly linked list handling
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158 */
152
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159 typedef struct _th_llist_t
69
28156333ef4c Cosmetics.
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160 {
16
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161 void *data;
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162 size_t num;
152
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163 struct _th_llist_t *prev, *next;
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164 } th_llist_t;
16
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165
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166
152
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167 th_llist_t * th_llist_new(void *data);
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168 void th_llist_free(th_llist_t *list);
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169 void th_llist_free_func(th_llist_t *list, void (*freefunc)(void *data));
156
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170 void th_llist_free_func_node(th_llist_t *list, void (*freefunc)(th_llist_t *node));
16
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171
152
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172 void th_llist_append_node(th_llist_t **list, th_llist_t *node);
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173 th_llist_t * th_llist_append(th_llist_t **list, void *data);
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174 void th_llist_prepend_node(th_llist_t **list, th_llist_t *node);
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175 th_llist_t * th_llist_prepend(th_llist_t **list, void *data);
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176 void th_llist_delete(th_llist_t **list, const void *data);
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177 void th_llist_delete_node(th_llist_t **list, th_llist_t *node);
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178 void th_llist_delete_node_fast(th_llist_t **list, th_llist_t *node);
16
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179
152
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180 th_llist_t * th_llist_get_nth(th_llist_t *list, const size_t n);
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181 size_t th_llist_length(const th_llist_t *list);
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182 ssize_t th_llist_position(const th_llist_t *list, const th_llist_t *node);
16
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183
152
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184 void th_llist_foreach(th_llist_t *list, void (*func)(th_llist_t *node, void *userdata), void *data);
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185 int th_llist_foreach_cond(th_llist_t *list, int (*func)(th_llist_t *node, void *userdata), void *data, th_llist_t **res);
54
48926b3ff598 Add new linked list handling functions: th_llist_foreach() and th_llist_foreach_cond()
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186
152
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187 th_llist_t * th_llist_find(th_llist_t *list, const void *data);
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188 th_llist_t * th_llist_find_func(th_llist_t *list, const void *userdata, int (compare)(const void *, const void *));
16
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189
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190
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191 /* Ringbuffer implementation
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192 */
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193 typedef struct
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194 {
33
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195 char **data;
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196 int n, size;
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197 void (*deallocator)(void *);
157
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198 } th_ringbuf_t;
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199
157
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200 th_ringbuf_t * th_ringbuf_new(const size_t size, void (*mdeallocator)(void *));
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201 BOOL th_ringbuf_grow(th_ringbuf_t *buf, const size_t n);
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202 void th_ringbuf_free(th_ringbuf_t *buf);
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203 void th_ringbuf_add(th_ringbuf_t *buf, void *ptr);
23
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204
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205
109
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206 /* Growing buffers
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207 */
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208 #define TH_BUFGROW (32)
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209
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210
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211 typedef struct
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212 {
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213 BOOL allocated;
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214 uint8_t *data;
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215 size_t size, len, mingrow;
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216 } th_growbuf_t;
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217
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218
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219 /* Simple growing string buffer
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220 */
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221 BOOL th_strbuf_grow(char **buf, size_t *bufsize, size_t *len, const size_t grow);
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222 BOOL th_strbuf_putch(char **buf, size_t *bufsize, size_t *len, const char ch);
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223 BOOL th_strbuf_puts(char **buf, size_t *bufsize, size_t *len, const char *str);
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224
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225
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226 /* Growing byte buffer
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227 */
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228 void th_growbuf_init(th_growbuf_t *buf, const size_t mingrow);
115
13f001f1ad6e More work on growbuf stuff.
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229 void th_growbuf_clear(th_growbuf_t *buf);
109
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230 th_growbuf_t *th_growbuf_new(const size_t mingrow);
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231 void th_growbuf_free(th_growbuf_t *buf);
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232
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233
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234 BOOL th_growbuf_grow(th_growbuf_t *buf, const size_t grow);
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235 BOOL th_growbuf_puts(th_growbuf_t *buf, const char *str, BOOL eos);
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236 BOOL th_growbuf_putch(th_growbuf_t *buf, const char ch);
120
41c2638ee537 Use void* instead of uint8_t* in th_growbuf_put_str()
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237 BOOL th_growbuf_put_str(th_growbuf_t *buf, const void *s, const size_t len);
109
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238 BOOL th_growbuf_put_u8(th_growbuf_t *buf, const uint8_t val);
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239 BOOL th_growbuf_put_u16_be(th_growbuf_t *buf, const uint16_t val);
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diff changeset
240 BOOL th_growbuf_put_u16_le(th_growbuf_t *buf, const uint16_t val);
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diff changeset
241 BOOL th_growbuf_put_u32_be(th_growbuf_t *buf, const uint32_t val);
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diff changeset
242 BOOL th_growbuf_put_u32_le(th_growbuf_t *buf, const uint32_t val);
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243
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244
0
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245 #ifdef __cplusplus
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246 }
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247 #endif
129
aa2d608fb3f3 Cosmetics.
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diff changeset
248 #endif // TH_UTIL_H