Mercurial > hg > th-libs
annotate th_util.h @ 156:f9254c34ad05
Add new utility function for linked lists, th_llist_free_func_node().
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Sat, 07 Feb 2015 01:37:11 +0200 |
parents | b4e1b15a64e1 |
children | e96c900ca6f1 |
rev | line source |
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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 |
144 | 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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10 |
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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> |
75 | 19 #include <unistd.h> |
16 | 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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36 |
92 | 37 |
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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 |
6 | 43 #define TH_PROG_AUTHOR NULL |
44 #define TH_PROG_LICENSE NULL | |
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45 #else |
148 | 46 #define TH_PROG_AUTHOR "By Matti 'ccr' Hämäläinen (C) Copyright 2015 TNSP" |
6 | 47 #define TH_PROG_LICENSE "This software is licensed under GNU GPL version 2" |
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48 #endif |
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49 |
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50 |
95 | 51 // Replacement for assert() |
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52 #ifdef HAVE_NO_ASSERT |
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53 # ifdef NDEBUG |
129 | 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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59 |
96 | 60 |
61 /* Error codes | |
62 */ | |
97 | 63 enum |
64 { | |
96 | 65 // General error codes |
66 THERR_OK = 0, | |
67 THERR_PROGRESS, // Status OK, but operation in progress | |
68 | |
69 THERR_INTERNAL, | |
70 | |
71 THERR_FOPEN, | |
72 THERR_FREAD, | |
73 THERR_FWRITE, | |
74 THERR_FSEEK, | |
75 THERR_NOT_FOUND, // Resource/data not found | |
76 | |
77 THERR_INVALID_DATA, // Some data was invalid | |
78 THERR_MALLOC, // Memory allocation failure | |
79 THERR_ALREADY_INIT, // Resource has already been initialized | |
80 THERR_INIT_FAIL, // General initialization failure | |
81 THERR_INVALID_ARGS, | |
82 | |
83 THERR_NULLPTR, // NULL pointer specified in critical argument | |
84 THERR_NOT_SUPPORTED,// Operation not supported | |
85 THERR_OUT_OF_DATA, | |
86 THERR_EXTRA_DATA, | |
87 THERR_BOUNDS, | |
88 THERR_TIMED_OUT, | |
89 | |
90 // Network errors | |
91 THERR_AUTH_FAILED, | |
92 }; | |
93 | |
94 #define TH_SYSTEM_ERRORS 100000 | |
95 | |
97 | 96 /* Log levels |
97 */ | |
98 enum | |
99 { | |
100 THLOG_NONE = 0, | |
101 THLOG_ERROR, | |
102 THLOG_WARNING, | |
103 THLOG_INFO, | |
104 THLOG_DEBUG, | |
105 }; | |
106 | |
96 | 107 |
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108 /* Global variables |
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109 */ |
19 | 110 extern int th_verbosityLevel; |
111 extern char *th_prog_name, | |
60 | 112 *th_prog_desc, |
19 | 113 *th_prog_version, |
114 *th_prog_author, | |
115 *th_prog_license; | |
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116 |
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117 /* Functions |
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118 */ |
60 | 119 void th_init(char *name, char *desc, char *version, |
120 char *author, char *license); | |
121 void th_print_banner(FILE *outFile, const char *binName, const char *usage); | |
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122 |
143 | 123 int th_term_width(); |
124 int th_term_height(); | |
125 | |
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126 int th_get_error(); |
99 | 127 int th_errno_to_error(int error); |
96 | 128 const char *th_error_str(int error); |
129 | |
6 | 130 void THERR(const char *, ...); |
131 void THMSG(int, const char *, ...); | |
132 void THPRINT(int, const char *, ...); | |
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133 |
11 | 134 void THERR_V(const char *, va_list); |
135 void THMSG_V(int, const char *, va_list); | |
136 void THPRINT_V(int, const char *, va_list); | |
137 | |
6 | 138 void *th_malloc(size_t); |
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139 void *th_malloc0(size_t); |
6 | 140 void *th_calloc(size_t, size_t); |
141 void *th_realloc(void *, size_t); | |
142 void th_free(void *); | |
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143 |
16 | 144 |
145 /* Doubly linked list handling | |
146 */ | |
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147 typedef struct _th_llist_t |
69 | 148 { |
16 | 149 void *data; |
150 size_t num; | |
152
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151 struct _th_llist_t *prev, *next; |
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152 } th_llist_t; |
16 | 153 |
154 | |
152
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155 th_llist_t * th_llist_new(void *data); |
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156 void th_llist_free(th_llist_t *list); |
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157 void th_llist_free_func(th_llist_t *list, void (*freefunc)(void *data)); |
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158 void th_llist_free_func_node(th_llist_t *list, void (*freefunc)(th_llist_t *node)); |
16 | 159 |
152
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160 void th_llist_append_node(th_llist_t **list, th_llist_t *node); |
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161 th_llist_t * th_llist_append(th_llist_t **list, void *data); |
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162 void th_llist_prepend_node(th_llist_t **list, th_llist_t *node); |
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163 th_llist_t * th_llist_prepend(th_llist_t **list, void *data); |
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164 void th_llist_delete(th_llist_t **list, const void *data); |
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165 void th_llist_delete_node(th_llist_t **list, th_llist_t *node); |
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166 void th_llist_delete_node_fast(th_llist_t **list, th_llist_t *node); |
16 | 167 |
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168 th_llist_t * th_llist_get_nth(th_llist_t *list, const size_t n); |
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169 size_t th_llist_length(const th_llist_t *list); |
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170 ssize_t th_llist_position(const th_llist_t *list, const th_llist_t *node); |
16 | 171 |
152
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172 void th_llist_foreach(th_llist_t *list, void (*func)(th_llist_t *node, void *userdata), void *data); |
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173 int th_llist_foreach_cond(th_llist_t *list, int (*func)(th_llist_t *node, void *userdata), void *data, th_llist_t **res); |
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174 |
152
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175 th_llist_t * th_llist_find(th_llist_t *list, const void *data); |
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176 th_llist_t * th_llist_find_func(th_llist_t *list, const void *userdata, int (compare)(const void *, const void *)); |
16 | 177 |
178 | |
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179 /* Ringbuffer implementation |
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180 */ |
69 | 181 typedef struct |
182 { | |
33 | 183 char **data; |
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184 int n, size; |
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185 void (*deallocator)(void *); |
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186 } qringbuf_t; |
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187 |
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188 qringbuf_t * th_ringbuf_new(const size_t size, void (*mdeallocator)(void *)); |
95 | 189 BOOL th_ringbuf_grow(qringbuf_t *buf, const size_t n); |
190 void th_ringbuf_free(qringbuf_t *buf); | |
191 void th_ringbuf_add(qringbuf_t *buf, void *ptr); | |
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192 |
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193 |
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194 /* Growing buffers |
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195 */ |
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196 #define TH_BUFGROW (32) |
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197 |
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198 |
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199 typedef struct |
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200 { |
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201 BOOL allocated; |
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202 uint8_t *data; |
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203 size_t size, len, mingrow; |
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204 } th_growbuf_t; |
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205 |
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206 |
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207 /* Simple growing string buffer |
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208 */ |
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209 BOOL th_strbuf_grow(char **buf, size_t *bufsize, size_t *len, const size_t grow); |
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210 BOOL th_strbuf_putch(char **buf, size_t *bufsize, size_t *len, const char ch); |
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211 BOOL th_strbuf_puts(char **buf, size_t *bufsize, size_t *len, const char *str); |
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212 |
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213 |
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214 /* Growing byte buffer |
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215 */ |
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216 void th_growbuf_init(th_growbuf_t *buf, const size_t mingrow); |
115
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217 void th_growbuf_clear(th_growbuf_t *buf); |
109
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218 th_growbuf_t *th_growbuf_new(const size_t mingrow); |
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219 void th_growbuf_free(th_growbuf_t *buf); |
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220 |
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221 |
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222 BOOL th_growbuf_grow(th_growbuf_t *buf, const size_t grow); |
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223 BOOL th_growbuf_puts(th_growbuf_t *buf, const char *str, BOOL eos); |
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224 BOOL th_growbuf_putch(th_growbuf_t *buf, const char ch); |
120
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225 BOOL th_growbuf_put_str(th_growbuf_t *buf, const void *s, const size_t len); |
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226 BOOL th_growbuf_put_u8(th_growbuf_t *buf, const uint8_t val); |
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227 BOOL th_growbuf_put_u16_be(th_growbuf_t *buf, const uint16_t val); |
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228 BOOL th_growbuf_put_u16_le(th_growbuf_t *buf, const uint16_t val); |
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229 BOOL th_growbuf_put_u32_be(th_growbuf_t *buf, const uint32_t val); |
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230 BOOL th_growbuf_put_u32_le(th_growbuf_t *buf, const uint32_t val); |
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231 |
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232 |
0
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233 #ifdef __cplusplus |
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234 } |
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235 #endif |
129 | 236 #endif // TH_UTIL_H |