Mercurial > hg > th-libs
annotate th_util.c @ 457:85fa3d333556
Actually, revert the boolean changes .. meh.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Tue, 02 Jan 2018 23:09:29 +0200 |
| parents | efd33accdc81 |
| children | a90fe2c4c636 |
| 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 #include "th_util.h" |
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9 #include <stdio.h> |
| 96 | 10 #include <errno.h> |
| 11 | |
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12 |
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13 /* Default settings |
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14 */ |
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15 static BOOL th_initialized = FALSE; |
| 60 | 16 int th_verbosityLevel = 2; |
| 17 char *th_prog_name = NULL, | |
| 18 *th_prog_desc = NULL, | |
| 19 *th_prog_version = NULL, | |
| 20 *th_prog_author = NULL, | |
| 21 *th_prog_license = NULL; | |
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22 |
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23 |
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24 /* Initialize th_util-library and global variables |
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25 */ |
| 60 | 26 void th_init(char *name, char *desc, char *version, |
| 27 char *author, char *license) | |
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28 { |
| 60 | 29 th_prog_name = name; |
| 30 th_prog_desc = desc; | |
| 31 th_prog_version = version; | |
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32 |
| 60 | 33 if (author) |
| 34 th_prog_author = author; | |
| 10 | 35 else |
| 36 th_prog_author = TH_PROG_AUTHOR; | |
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37 |
| 60 | 38 if (license) |
| 39 th_prog_license = license; | |
| 10 | 40 else |
| 41 th_prog_license = TH_PROG_LICENSE; | |
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42 |
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43 th_initialized = TRUE; |
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44 } |
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45 |
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46 |
| 64 | 47 void th_print_banner(FILE *outFile, const char *name, const char *usage) |
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48 { |
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49 fprintf(outFile, "\n%s", th_prog_name); |
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50 if (th_prog_version != NULL) |
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51 fprintf(outFile, " v%s", th_prog_version); |
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52 if (th_prog_desc != NULL) |
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53 fprintf(outFile, " (%s)", th_prog_desc); |
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54 fprintf(outFile, "\n"); |
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55 |
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56 if (th_prog_author != NULL) |
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57 fprintf(outFile, "%s\n", th_prog_author); |
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58 |
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59 if (th_prog_license != NULL) |
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60 fprintf(outFile, "%s\n", th_prog_license); |
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61 |
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62 fprintf(outFile, "Usage: %s %s\n", name, usage); |
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63 } |
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64 |
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65 |
| 143 | 66 int th_term_width() |
| 67 { | |
| 68 char *var = getenv("COLUMNS"); | |
| 69 int res = (var != NULL) ? atoi(var) : 80; | |
| 70 if (res < 5) res = 80; | |
| 71 return res; | |
| 72 } | |
| 73 | |
| 74 | |
| 75 int th_term_height() | |
| 76 { | |
| 77 char *var = getenv("LINESS"); | |
| 78 int res = (var != NULL) ? atoi(var) : 25; | |
| 79 if (res < 1) res = 1; | |
| 80 return res; | |
| 81 } | |
| 82 | |
| 83 | |
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84 /* Print formatted error, warning and information messages |
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85 * TODO: Implement th_vfprintf() and friends? |
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86 */ |
| 11 | 87 void THERR_V(const char *fmt, va_list ap) |
| 88 { | |
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89 assert(th_initialized == TRUE); |
| 11 | 90 |
| 91 fprintf(stderr, "%s: ", th_prog_name); | |
| 92 vfprintf(stderr, fmt, ap); | |
| 93 } | |
| 94 | |
| 95 | |
| 96 void THMSG_V(int level, const char *fmt, va_list ap) | |
| 97 { | |
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98 assert(th_initialized == TRUE); |
| 11 | 99 |
| 48 | 100 if (th_verbosityLevel >= level) |
| 101 { | |
| 11 | 102 fprintf(stderr, "%s: ", th_prog_name); |
| 103 vfprintf(stderr, fmt, ap); | |
| 104 } | |
| 105 } | |
| 106 | |
| 107 | |
| 108 void THPRINT_V(int level, const char *fmt, va_list ap) | |
| 109 { | |
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110 assert(th_initialized == TRUE); |
| 11 | 111 |
| 48 | 112 if (th_verbosityLevel >= level) |
| 113 { | |
| 11 | 114 vfprintf(stderr, fmt, ap); |
| 115 } | |
| 116 } | |
| 117 | |
| 118 | |
| 119 void THERR(const char *fmt, ...) | |
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120 { |
| 10 | 121 va_list ap; |
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122 assert(th_initialized == TRUE); |
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123 |
| 11 | 124 va_start(ap, fmt); |
| 125 THERR_V(fmt, ap); | |
| 10 | 126 va_end(ap); |
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127 } |
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128 |
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129 |
| 11 | 130 void THMSG(int level, const char *fmt, ...) |
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131 { |
| 10 | 132 va_list ap; |
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133 assert(th_initialized == TRUE); |
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134 |
| 11 | 135 va_start(ap, fmt); |
| 136 THMSG_V(level, fmt, ap); | |
| 137 va_end(ap); | |
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138 } |
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139 |
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140 |
| 11 | 141 void THPRINT(int level, const char *fmt, ...) |
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142 { |
| 10 | 143 va_list ap; |
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144 assert(th_initialized == TRUE); |
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145 |
| 11 | 146 va_start(ap, fmt); |
| 147 THPRINT_V(level, fmt, ap); | |
| 148 va_end(ap); | |
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149 } |
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150 |
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151 |
| 96 | 152 /* Error handling |
| 153 */ | |
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154 int th_get_error() |
| 96 | 155 { |
| 156 return TH_SYSTEM_ERRORS + errno; | |
| 157 } | |
| 158 | |
| 159 | |
| 99 | 160 int th_errno_to_error(int error) |
| 161 { | |
| 162 return TH_SYSTEM_ERRORS + error; | |
| 163 } | |
| 164 | |
| 165 | |
| 96 | 166 const char *th_error_str(int error) |
| 167 { | |
| 168 if (error >= TH_SYSTEM_ERRORS) | |
| 169 return strerror(error - TH_SYSTEM_ERRORS); | |
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170 |
| 96 | 171 switch (error) |
| 172 { | |
| 173 case THERR_OK: return "No error"; | |
| 174 case THERR_FOPEN: return "File open error"; | |
| 175 case THERR_FREAD: return "Read error"; | |
| 176 case THERR_FWRITE: return "Write error"; | |
| 177 case THERR_FSEEK: return "Seek error"; | |
| 178 case THERR_NOT_FOUND: return "Resource not found"; | |
| 179 | |
| 180 case THERR_INVALID_DATA: return "Invalid data"; | |
| 181 case THERR_MALLOC: return "Memory allocation failure"; | |
| 182 case THERR_ALREADY_INIT: return "Already initialized"; | |
| 183 case THERR_INIT_FAIL: return "Initialization failed"; | |
| 184 case THERR_INVALID_ARGS: return "Invalid arguments"; | |
| 185 | |
| 186 case THERR_NULLPTR: return "NULL pointer"; | |
| 187 case THERR_NOT_SUPPORTED: return "Operation not supported"; | |
| 188 case THERR_OUT_OF_DATA: return "Out of data"; | |
| 189 case THERR_EXTRA_DATA: return "Extra data"; | |
| 190 case THERR_BOUNDS: return "Bounds check failed"; | |
| 191 | |
| 192 case THERR_TIMED_OUT: return "Operation timed out"; | |
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193 |
| 96 | 194 case THERR_AUTH_FAILED: return "Authentication failed"; |
| 195 | |
| 196 default: return "Unknown error"; | |
| 197 } | |
| 198 } | |
| 199 | |
| 200 | |
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201 /* Memory handling routines |
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202 */ |
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203 void *th_malloc(size_t l) |
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204 { |
| 10 | 205 return malloc(l); |
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206 } |
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207 |
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208 |
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209 void *th_malloc0(size_t l) |
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210 { |
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211 return calloc(1, l); |
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212 } |
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213 |
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214 |
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215 void *th_calloc(size_t n, size_t l) |
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216 { |
| 10 | 217 return calloc(n, l); |
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218 } |
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219 |
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220 |
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221 void *th_realloc(void *ptr, size_t l) |
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222 { |
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223 return realloc(ptr, l); |
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224 } |
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225 |
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226 |
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227 void th_free(void *ptr) |
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228 { |
| 10 | 229 /* Check for NULL pointers for portability due to some libc |
| 230 * implementations not handling free(NULL) too well. | |
| 231 */ | |
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232 if (ptr != NULL) free(ptr); |
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233 } |
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234 |
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235 |
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236 void th_free_r_real(void **ptr) |
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237 { |
| 195 | 238 if (ptr != NULL) |
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239 { |
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240 th_free(*ptr); |
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241 *ptr = NULL; |
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242 } |
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243 } |