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annotate th_util.h @ 148:bca55caf5c37

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Update copyright year.
author Matti Hamalainen <ccr@tnsp.org>
date Wed, 07 Jan 2015 16:56:29 +0200
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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 #include "th_types.h"
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16 #include <stdio.h>
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17 #include <stdarg.h>
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18 #include <stdlib.h>
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19 #include <unistd.h>
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20 #include <sys/types.h>
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21 #ifndef HAVE_NO_ASSERT
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22 #include <assert.h>
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23 #endif
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24
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25 #ifdef HAVE_STRING_H
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26 #include <string.h>
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27 #else
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28 #ifdef HAVE_STRINGS_H
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29 #include <strings.h>
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30 #endif
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31 #endif
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32
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33 #ifdef HAVE_MEMORY_H
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34 #include <memory.h>
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35 #endif
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38 #ifdef __cplusplus
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39 extern "C" {
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40 #endif
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41
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42 #ifdef TH_NO_DEFAULTS
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43 #define TH_PROG_AUTHOR NULL
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44 #define TH_PROG_LICENSE NULL
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45 #else
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46 #define TH_PROG_AUTHOR "By Matti 'ccr' Hämäläinen (C) Copyright 2015 TNSP"
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47 #define TH_PROG_LICENSE "This software is licensed under GNU GPL version 2"
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48 #endif
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50
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51 // Replacement for assert()
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52 #ifdef HAVE_NO_ASSERT
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53 # ifdef NDEBUG
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54 # define assert(NEXPR) // stub
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55 # else
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56 # define assert(NEXPR) do { if (!(NEXPR)) { fprintf(stderr, "[%s:%d] assert(" # NEXPR ") failed!\n", __FILE__, __LINE__); abort(); } } while (0)
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57 # endif
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58 #endif
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61 /* Error codes
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62 */
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63 enum
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64 {
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65 // General error codes
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66 THERR_OK = 0,
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67 THERR_PROGRESS, // Status OK, but operation in progress
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68
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69 THERR_INTERNAL,
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71 THERR_FOPEN,
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72 THERR_FREAD,
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73 THERR_FWRITE,
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74 THERR_FSEEK,
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75 THERR_NOT_FOUND, // Resource/data not found
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76
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77 THERR_INVALID_DATA, // Some data was invalid
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78 THERR_MALLOC, // Memory allocation failure
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79 THERR_ALREADY_INIT, // Resource has already been initialized
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80 THERR_INIT_FAIL, // General initialization failure
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81 THERR_INVALID_ARGS,
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83 THERR_NULLPTR, // NULL pointer specified in critical argument
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84 THERR_NOT_SUPPORTED,// Operation not supported
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85 THERR_OUT_OF_DATA,
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86 THERR_EXTRA_DATA,
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87 THERR_BOUNDS,
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88 THERR_TIMED_OUT,
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89
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90 // Network errors
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91 THERR_AUTH_FAILED,
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92 };
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93
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94 #define TH_SYSTEM_ERRORS 100000
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96 /* Log levels
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97 */
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98 enum
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99 {
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100 THLOG_NONE = 0,
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101 THLOG_ERROR,
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102 THLOG_WARNING,
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103 THLOG_INFO,
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104 THLOG_DEBUG,
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105 };
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107
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108 /* Global variables
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109 */
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110 extern int th_verbosityLevel;
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111 extern char *th_prog_name,
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112 *th_prog_desc,
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113 *th_prog_version,
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114 *th_prog_author,
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115 *th_prog_license;
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116
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117 /* Functions
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118 */
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119 void th_init(char *name, char *desc, char *version,
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120 char *author, char *license);
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121 void th_print_banner(FILE *outFile, const char *binName, const char *usage);
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122
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123 int th_term_width();
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124 int th_term_height();
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125
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126 int th_get_error();
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127 int th_errno_to_error(int error);
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128 const char *th_error_str(int error);
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129
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130 void THERR(const char *, ...);
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131 void THMSG(int, const char *, ...);
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132 void THPRINT(int, const char *, ...);
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133
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134 void THERR_V(const char *, va_list);
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135 void THMSG_V(int, const char *, va_list);
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136 void THPRINT_V(int, const char *, va_list);
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137
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138 void *th_malloc(size_t);
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139 void *th_malloc0(size_t);
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140 void *th_calloc(size_t, size_t);
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141 void *th_realloc(void *, size_t);
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142 void th_free(void *);
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143
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144
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145 /* Doubly linked list handling
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146 */
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147 typedef struct _qlist_t
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148 {
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149 void *data;
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150 size_t num;
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151 struct _qlist_t *prev, *next;
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152 } qlist_t;
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153
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154
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155 qlist_t * th_llist_new(void *data);
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156 void th_llist_free(qlist_t *list);
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157 void th_llist_free_func(qlist_t *list, void (*freefunc)(void *data));
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158
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159 void th_llist_append_node(qlist_t **list, qlist_t *node);
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160 qlist_t * th_llist_append(qlist_t **list, void *data);
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161 void th_llist_prepend_node(qlist_t **list, qlist_t *node);
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162 qlist_t * th_llist_prepend(qlist_t **list, void *data);
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163 void th_llist_delete(qlist_t **list, const void *data);
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164 void th_llist_delete_node(qlist_t **list, qlist_t *node);
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165 void th_llist_delete_node_fast(qlist_t **list, qlist_t *node);
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166
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167 qlist_t * th_llist_get_nth(qlist_t *list, const size_t n);
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168 size_t th_llist_length(const qlist_t *list);
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169 ssize_t th_llist_position(const qlist_t *list, const qlist_t *node);
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170
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171 void th_llist_foreach(qlist_t *list, void (*func)(qlist_t *node, void *userdata), void *data);
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172 int th_llist_foreach_cond(qlist_t *list, int (*func)(qlist_t *node, void *userdata), void *data, qlist_t **res);
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173
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174 qlist_t * th_llist_find(qlist_t *list, const void *data);
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175 qlist_t * th_llist_find_func(qlist_t *list, const void *userdata, int (compare)(const void *, const void *));
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176
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177
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178 /* Ringbuffer implementation
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179 */
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180 typedef struct
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181 {
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182 char **data;
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183 int n, size;
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184 void (*deallocator)(void *);
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185 } qringbuf_t;
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186
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187 qringbuf_t * th_ringbuf_new(const size_t size, void (*mdeallocator)(void *));
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188 BOOL th_ringbuf_grow(qringbuf_t *buf, const size_t n);
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189 void th_ringbuf_free(qringbuf_t *buf);
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190 void th_ringbuf_add(qringbuf_t *buf, void *ptr);
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191
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192
109
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193 /* Growing buffers
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194 */
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195 #define TH_BUFGROW (32)
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196
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197
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198 typedef struct
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199 {
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200 BOOL allocated;
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201 uint8_t *data;
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202 size_t size, len, mingrow;
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203 } th_growbuf_t;
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204
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205
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206 /* Simple growing string buffer
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207 */
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208 BOOL th_strbuf_grow(char **buf, size_t *bufsize, size_t *len, const size_t grow);
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209 BOOL th_strbuf_putch(char **buf, size_t *bufsize, size_t *len, const char ch);
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210 BOOL th_strbuf_puts(char **buf, size_t *bufsize, size_t *len, const char *str);
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211
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212
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213 /* Growing byte buffer
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214 */
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215 void th_growbuf_init(th_growbuf_t *buf, const size_t mingrow);
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13f001f1ad6e More work on growbuf stuff.
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216 void th_growbuf_clear(th_growbuf_t *buf);
109
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217 th_growbuf_t *th_growbuf_new(const size_t mingrow);
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218 void th_growbuf_free(th_growbuf_t *buf);
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219
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220
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221 BOOL th_growbuf_grow(th_growbuf_t *buf, const size_t grow);
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222 BOOL th_growbuf_puts(th_growbuf_t *buf, const char *str, BOOL eos);
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223 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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224 BOOL th_growbuf_put_str(th_growbuf_t *buf, const void *s, const size_t len);
109
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225 BOOL th_growbuf_put_u8(th_growbuf_t *buf, const uint8_t val);
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226 BOOL th_growbuf_put_u16_be(th_growbuf_t *buf, const uint16_t val);
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227 BOOL th_growbuf_put_u16_le(th_growbuf_t *buf, const uint16_t val);
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228 BOOL th_growbuf_put_u32_be(th_growbuf_t *buf, const uint32_t val);
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229 BOOL th_growbuf_put_u32_le(th_growbuf_t *buf, const uint32_t val);
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230
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231
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232 #ifdef __cplusplus
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233 }
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234 #endif
129
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235 #endif // TH_UTIL_H