 |
libDXF 0.0.1
A library with DXF related functions written in C.
|
layer_name.c
Go to the documentation of this file.
00001 00043 #include "layer_name.h" 00044 00045 00051 DxfLayerName * 00052 dxf_layer_name_new () 00053 { 00054 #if DEBUG 00055 DXF_DEBUG_BEGIN 00056 #endif 00057 DxfLayerName *layer_name = NULL; 00058 size_t size; 00059 00060 size = sizeof (DxfLayerName); 00061 /* avoid malloc of 0 bytes */ 00062 if (size == 0) size = 1; 00063 if ((layer_name = malloc (size)) == NULL) 00064 { 00065 fprintf (stderr, 00066 (_("Error in %s () could not allocate memory.\n")), 00067 __FUNCTION__); 00068 layer_name = NULL; 00069 } 00070 else 00071 { 00072 memset (layer_name, 0, size); 00073 } 00074 #if DEBUG 00075 DXF_DEBUG_END 00076 #endif 00077 return (layer_name); 00078 } 00079 00080 00088 DxfLayerName * 00089 dxf_layer_name_init 00090 ( 00091 DxfLayerName *layer_name 00093 ) 00094 { 00095 #if DEBUG 00096 DXF_DEBUG_BEGIN 00097 #endif 00098 /* Do some basic checks. */ 00099 if (layer_name == NULL) 00100 { 00101 fprintf (stderr, 00102 (_("Warning in %s () a NULL pointer was passed.\n")), 00103 __FUNCTION__); 00104 layer_name = dxf_layer_name_new (); 00105 } 00106 if (layer_name == NULL) 00107 { 00108 fprintf (stderr, 00109 (_("Error in %s () could not allocate memory.\n")), 00110 __FUNCTION__); 00111 return (NULL); 00112 } 00113 layer_name->name = strdup (""); 00114 layer_name->length = 0; 00115 layer_name->next = NULL; 00116 #if DEBUG 00117 DXF_DEBUG_END 00118 #endif 00119 return (layer_name); 00120 } 00121 00122 00130 int 00131 dxf_layer_name_free 00132 ( 00133 DxfLayerName *layer_name 00136 ) 00137 { 00138 #if DEBUG 00139 DXF_DEBUG_BEGIN 00140 #endif 00141 /* Do some basic checks. */ 00142 if (layer_name == NULL) 00143 { 00144 fprintf (stderr, 00145 (_("Error in %s () a NULL pointer was passed.\n")), 00146 __FUNCTION__); 00147 return (EXIT_FAILURE); 00148 } 00149 if (layer_name->next != NULL) 00150 { 00151 fprintf (stderr, 00152 (_("Error in %s () pointer to next was not NULL.\n")), 00153 __FUNCTION__); 00154 return (EXIT_FAILURE); 00155 } 00156 free (layer_name->name); 00157 free (layer_name); 00158 layer_name = NULL; 00159 #if DEBUG 00160 DXF_DEBUG_END 00161 #endif 00162 return (EXIT_SUCCESS); 00163 } 00164 00165 00170 void 00171 dxf_layer_name_free_chain 00172 ( 00173 DxfLayerName *layer_names 00175 ) 00176 { 00177 #ifdef DEBUG 00178 DXF_DEBUG_BEGIN 00179 #endif 00180 if (layer_names == NULL) 00181 { 00182 fprintf (stderr, 00183 (_("Warning in %s () a NULL pointer was passed.\n")), 00184 __FUNCTION__); 00185 } 00186 while (layer_names != NULL) 00187 { 00188 struct DxfLayerName *iter = layer_names->next; 00189 dxf_layer_name_free (layer_names); 00190 layer_names = (DxfLayerName *) iter; 00191 } 00192 #if DEBUG 00193 DXF_DEBUG_END 00194 #endif 00195 } 00196 00197 00205 char * 00206 dxf_layer_name_get_name 00207 ( 00208 DxfLayerName *layer_name 00210 ) 00211 { 00212 #if DEBUG 00213 DXF_DEBUG_BEGIN 00214 #endif 00215 /* Do some basic checks. */ 00216 if (layer_name == NULL) 00217 { 00218 fprintf (stderr, 00219 (_("Error in %s () a NULL pointer was passed.\n")), 00220 __FUNCTION__); 00221 return (NULL); 00222 } 00223 if (layer_name->name == NULL) 00224 { 00225 fprintf (stderr, 00226 (_("Error in %s () a NULL pointer was found.\n")), 00227 __FUNCTION__); 00228 return (NULL); 00229 } 00230 #if DEBUG 00231 DXF_DEBUG_END 00232 #endif 00233 return (strdup (layer_name->name)); 00234 } 00235 00236 00240 DxfLayerName * 00241 dxf_layer_name_set_name 00242 ( 00243 DxfLayerName *layer_name, 00245 char *name 00247 ) 00248 { 00249 #if DEBUG 00250 DXF_DEBUG_BEGIN 00251 #endif 00252 /* Do some basic checks. */ 00253 if (layer_name == NULL) 00254 { 00255 fprintf (stderr, 00256 (_("Error in %s () a NULL pointer was passed.\n")), 00257 __FUNCTION__); 00258 return (NULL); 00259 } 00260 if (name == NULL) 00261 { 00262 fprintf (stderr, 00263 (_("Error in %s () a NULL pointer was passed.\n")), 00264 __FUNCTION__); 00265 return (NULL); 00266 } 00267 layer_name->name = strdup (name); 00268 #if DEBUG 00269 DXF_DEBUG_END 00270 #endif 00271 return (layer_name); 00272 } 00273 00274 00281 int 00282 dxf_layer_name_get_length 00283 ( 00284 DxfLayerName *layer_name 00286 ) 00287 { 00288 #if DEBUG 00289 DXF_DEBUG_BEGIN 00290 #endif 00291 /* Do some basic checks. */ 00292 if (layer_name == NULL) 00293 { 00294 fprintf (stderr, 00295 (_("Error in %s () a NULL pointer was passed.\n")), 00296 __FUNCTION__); 00297 return (EXIT_FAILURE); 00298 } 00299 if (layer_name->length < 0) 00300 { 00301 fprintf (stderr, 00302 (_("Error in %s () a negative value was found.\n")), 00303 __FUNCTION__); 00304 return (EXIT_FAILURE); 00305 } 00306 #if DEBUG 00307 DXF_DEBUG_END 00308 #endif 00309 return (layer_name->length); 00310 } 00311 00312 00317 DxfLayerName * 00318 dxf_layer_name_set_length 00319 ( 00320 DxfLayerName *layer_name, 00322 int length 00324 ) 00325 { 00326 #if DEBUG 00327 DXF_DEBUG_BEGIN 00328 #endif 00329 /* Do some basic checks. */ 00330 if (layer_name == NULL) 00331 { 00332 fprintf (stderr, 00333 (_("Error in %s () a NULL pointer was passed.\n")), 00334 __FUNCTION__); 00335 return (NULL); 00336 } 00337 if (length < 0) 00338 { 00339 fprintf (stderr, 00340 (_("Error in %s () a negative value was passed.\n")), 00341 __FUNCTION__); 00342 return (NULL); 00343 } 00344 layer_name->length = length; 00345 #if DEBUG 00346 DXF_DEBUG_END 00347 #endif 00348 return (layer_name); 00349 } 00350 00351 00360 DxfLayerName * 00361 dxf_layer_name_get_next 00362 ( 00363 DxfLayerName *layer_name 00365 ) 00366 { 00367 #if DEBUG 00368 DXF_DEBUG_BEGIN 00369 #endif 00370 /* Do some basic checks. */ 00371 if (layer_name == NULL) 00372 { 00373 fprintf (stderr, 00374 (_("Error in %s () a NULL pointer was passed.\n")), 00375 __FUNCTION__); 00376 return (NULL); 00377 } 00378 if (layer_name->next == NULL) 00379 { 00380 fprintf (stderr, 00381 (_("Error in %s () a NULL pointer was found.\n")), 00382 __FUNCTION__); 00383 return (NULL); 00384 } 00385 #if DEBUG 00386 DXF_DEBUG_END 00387 #endif 00388 return ((DxfLayerName *) layer_name->next); 00389 } 00390 00391 00396 DxfLayerName * 00397 dxf_layer_name_set_next 00398 ( 00399 DxfLayerName *layer_name, 00401 DxfLayerName *next 00404 ) 00405 { 00406 #if DEBUG 00407 DXF_DEBUG_BEGIN 00408 #endif 00409 /* Do some basic checks. */ 00410 if (layer_name == NULL) 00411 { 00412 fprintf (stderr, 00413 (_("Error in %s () a NULL pointer was passed.\n")), 00414 __FUNCTION__); 00415 return (NULL); 00416 } 00417 if (next == NULL) 00418 { 00419 fprintf (stderr, 00420 (_("Error in %s () a NULL pointer was passed.\n")), 00421 __FUNCTION__); 00422 return (NULL); 00423 } 00424 layer_name->next = (struct DxfLayerName *) next; 00425 #if DEBUG 00426 DXF_DEBUG_END 00427 #endif 00428 return (layer_name); 00429 } 00430 00431 00440 DxfLayerName * 00441 dxf_layer_name_get_last 00442 ( 00443 DxfLayerName *layer_name 00445 ) 00446 { 00447 #if DEBUG 00448 DXF_DEBUG_BEGIN 00449 #endif 00450 /* Do some basic checks. */ 00451 if (layer_name == NULL) 00452 { 00453 fprintf (stderr, 00454 (_("Error in %s () a NULL pointer was passed.\n")), 00455 __FUNCTION__); 00456 return (NULL); 00457 } 00458 if (layer_name->next == NULL) 00459 { 00460 fprintf (stderr, 00461 (_("Warning in %s () a NULL pointer was found.\n")), 00462 __FUNCTION__); 00463 return ((DxfLayerName *) layer_name); 00464 } 00465 DxfLayerName *iter = (DxfLayerName *) layer_name->next; 00466 while (iter->next != NULL) 00467 { 00468 iter = (DxfLayerName *) iter->next; 00469 } 00470 #if DEBUG 00471 DXF_DEBUG_END 00472 #endif 00473 return ((DxfLayerName *) iter); 00474 } 00475 00476 00477 /* EOF */
