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libDXF 0.0.1
A library with DXF related functions written in C.
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comment.c
Go to the documentation of this file.
00001 00043 #include "comment.h" 00044 00050 DxfComment * 00051 dxf_comment_new () 00052 { 00053 #ifdef DEBUG 00054 DXF_DEBUG_BEGIN 00055 #endif 00056 DxfComment *comment = NULL; 00057 size_t size; 00058 00059 size = sizeof (DxfComment); 00060 /* avoid malloc of 0 bytes */ 00061 if (size == 0) size = 1; 00062 if ((comment = malloc (size)) == NULL) 00063 { 00064 fprintf (stderr, 00065 (_("Error in %s () could not allocate memory for a DxfComment struct.\n")), 00066 __FUNCTION__); 00067 comment = NULL; 00068 } 00069 else 00070 { 00071 memset (comment, 0, size); 00072 } 00073 #ifdef DEBUG 00074 DXF_DEBUG_END 00075 #endif 00076 return (comment); 00077 } 00078 00079 00087 DxfComment * 00088 dxf_comment_init 00089 ( 00090 DxfComment *comment 00092 ) 00093 { 00094 #ifdef DEBUG 00095 DXF_DEBUG_BEGIN 00096 #endif 00097 /* Do some basic checks. */ 00098 if (comment == NULL) 00099 { 00100 fprintf (stderr, 00101 (_("Warning in %s () a NULL pointer was passed.\n")), 00102 __FUNCTION__); 00103 comment = dxf_comment_new (); 00104 } 00105 if (comment == NULL) 00106 { 00107 fprintf (stderr, 00108 (_("Error in %s () could not allocate memory for a DxfComment struct.\n")), 00109 __FUNCTION__); 00110 return (NULL); 00111 } 00112 dxf_comment_set_id_code (comment, 0); 00113 dxf_comment_set_value (comment, strdup ("")); 00114 dxf_comment_set_next (comment, NULL); 00115 #ifdef DEBUG 00116 DXF_DEBUG_END 00117 #endif 00118 return (comment); 00119 } 00120 00121 00138 int 00139 dxf_comment_write 00140 ( 00141 DxfFile *fp, 00143 DxfComment *comment 00145 ) 00146 { 00147 #if DEBUG 00148 DXF_DEBUG_BEGIN 00149 #endif 00150 /* Do some basic checks. */ 00151 if (fp == NULL) 00152 { 00153 fprintf (stderr, 00154 (_("Error in %s () a NULL file pointer was passed.\n")), 00155 __FUNCTION__); 00156 return (EXIT_FAILURE); 00157 } 00158 /* Start writing output. */ 00159 DxfComment *iter = (DxfComment *) comment; 00160 while (dxf_comment_get_value (iter) != NULL) 00161 { 00162 fprintf (fp->fp, "999\n%s\n", dxf_comment_get_value (iter)); 00163 iter = dxf_comment_get_next (iter); 00164 } 00165 #if DEBUG 00166 DXF_DEBUG_END 00167 #endif 00168 return (EXIT_SUCCESS); 00169 } 00170 00171 00179 int 00180 dxf_comment_free 00181 ( 00182 DxfComment *comment 00185 ) 00186 { 00187 #ifdef DEBUG 00188 DXF_DEBUG_BEGIN 00189 #endif 00190 if (comment == NULL) 00191 { 00192 fprintf (stderr, 00193 (_("Error in %s () a NULL pointer was passed.\n")), 00194 __FUNCTION__); 00195 return (EXIT_FAILURE); 00196 } 00197 if (comment->next != NULL) 00198 { 00199 fprintf (stderr, 00200 (_("Error in %s () pointer to next was not NULL.\n")), 00201 __FUNCTION__); 00202 return (EXIT_FAILURE); 00203 } 00204 free (dxf_comment_get_value (comment)); 00205 free (comment); 00206 comment = NULL; 00207 #ifdef DEBUG 00208 DXF_DEBUG_END 00209 #endif 00210 return (EXIT_SUCCESS); 00211 } 00212 00213 00218 void 00219 dxf_comment_free_chain 00220 ( 00221 DxfComment *comments 00223 ) 00224 { 00225 #ifdef DEBUG 00226 DXF_DEBUG_BEGIN 00227 #endif 00228 if (comments == NULL) 00229 { 00230 fprintf (stderr, 00231 (_("Warning in %s () a NULL pointer was passed.\n")), 00232 __FUNCTION__); 00233 } 00234 while (comments != NULL) 00235 { 00236 struct DxfComment *iter = comments->next; 00237 dxf_comment_free (comments); 00238 comments = (DxfComment *) iter; 00239 } 00240 #if DEBUG 00241 DXF_DEBUG_END 00242 #endif 00243 } 00244 00245 00251 int 00252 dxf_comment_get_id_code 00253 ( 00254 DxfComment *comment 00256 ) 00257 { 00258 #if DEBUG 00259 DXF_DEBUG_BEGIN 00260 #endif 00261 /* Do some basic checks. */ 00262 if (comment == NULL) 00263 { 00264 fprintf (stderr, 00265 (_("Error in %s () a NULL pointer was passed.\n")), 00266 __FUNCTION__); 00267 return (EXIT_FAILURE); 00268 } 00269 if (comment->id_code < 0) 00270 { 00271 fprintf (stderr, 00272 (_("Error in %s () a negative value was found in the id-code member.\n")), 00273 __FUNCTION__); 00274 return (EXIT_FAILURE); 00275 } 00276 #if DEBUG 00277 DXF_DEBUG_END 00278 #endif 00279 return (comment->id_code); 00280 } 00281 00282 00286 DxfComment * 00287 dxf_comment_set_id_code 00288 ( 00289 DxfComment *comment, 00291 int id_code 00295 ) 00296 { 00297 #if DEBUG 00298 DXF_DEBUG_BEGIN 00299 #endif 00300 /* Do some basic checks. */ 00301 if (comment == NULL) 00302 { 00303 fprintf (stderr, 00304 (_("Error in %s () a NULL pointer was passed.\n")), 00305 __FUNCTION__); 00306 return (NULL); 00307 } 00308 if (id_code < 0) 00309 { 00310 fprintf (stderr, 00311 (_("Error in %s () a negative id-code value was passed.\n")), 00312 __FUNCTION__); 00313 return (NULL); 00314 } 00315 comment->id_code = id_code; 00316 #if DEBUG 00317 DXF_DEBUG_END 00318 #endif 00319 return (comment); 00320 } 00321 00322 00326 char * 00327 dxf_comment_get_value 00328 ( 00329 DxfComment *comment 00331 ) 00332 { 00333 #ifdef DEBUG 00334 DXF_DEBUG_BEGIN 00335 #endif 00336 if (comment == NULL) 00337 { 00338 fprintf (stderr, 00339 (_("Error in %s () a NULL pointer was passed.\n")), 00340 __FUNCTION__); 00341 return (NULL); 00342 } 00343 if (comment->value == NULL) 00344 { 00345 fprintf (stderr, 00346 (_("Warning in %s () a NULL pointer was found.\n")), 00347 __FUNCTION__); 00348 return (NULL); 00349 } 00350 #if DEBUG 00351 DXF_DEBUG_END 00352 #endif 00353 return (comment->value); 00354 } 00355 00356 00360 DxfComment * 00361 dxf_comment_set_value 00362 ( 00363 DxfComment *comment, 00365 char *value 00367 ) 00368 { 00369 #ifdef DEBUG 00370 DXF_DEBUG_BEGIN 00371 #endif 00372 if (comment == NULL) 00373 { 00374 fprintf (stderr, 00375 (_("Error in %s () a NULL pointer was passed.\n")), 00376 __FUNCTION__); 00377 return (NULL); 00378 } 00379 if (value != NULL) 00380 { 00381 fprintf (stderr, 00382 (_("Error in %s () a NULL pointer was passed.\n")), 00383 __FUNCTION__); 00384 return (NULL); 00385 } 00386 comment->value = strdup (value); 00387 #if DEBUG 00388 DXF_DEBUG_END 00389 #endif 00390 return (comment); 00391 } 00392 00393 00402 DxfComment * 00403 dxf_comment_get_next 00404 ( 00405 DxfComment *comment 00407 ) 00408 { 00409 #if DEBUG 00410 DXF_DEBUG_BEGIN 00411 #endif 00412 /* Do some basic checks. */ 00413 if (comment == NULL) 00414 { 00415 fprintf (stderr, 00416 (_("Error in %s () a NULL pointer was passed.\n")), 00417 __FUNCTION__); 00418 return (NULL); 00419 } 00420 if (comment->next == NULL) 00421 { 00422 fprintf (stderr, 00423 (_("Error in %s () a NULL pointer was found in the next member.\n")), 00424 __FUNCTION__); 00425 return (NULL); 00426 } 00427 #if DEBUG 00428 DXF_DEBUG_END 00429 #endif 00430 return ((DxfComment *) comment->next); 00431 } 00432 00433 00438 DxfComment * 00439 dxf_comment_set_next 00440 ( 00441 DxfComment *comment, 00443 DxfComment *next 00445 ) 00446 { 00447 #if DEBUG 00448 DXF_DEBUG_BEGIN 00449 #endif 00450 /* Do some basic checks. */ 00451 if (comment == NULL) 00452 { 00453 fprintf (stderr, 00454 (_("Error in %s () a NULL pointer was passed.\n")), 00455 __FUNCTION__); 00456 return (NULL); 00457 } 00458 if (next == NULL) 00459 { 00460 fprintf (stderr, 00461 (_("Error in %s () a NULL pointer was passed.\n")), 00462 __FUNCTION__); 00463 return (NULL); 00464 } 00465 comment->next = (struct DxfComment *) next; 00466 #if DEBUG 00467 DXF_DEBUG_END 00468 #endif 00469 return (comment); 00470 } 00471 00472 00481 DxfComment * 00482 dxf_comment_get_last 00483 ( 00484 DxfComment *comment 00486 ) 00487 { 00488 #if DEBUG 00489 DXF_DEBUG_BEGIN 00490 #endif 00491 /* Do some basic checks. */ 00492 if (comment == NULL) 00493 { 00494 fprintf (stderr, 00495 (_("Error in %s () a NULL pointer was passed.\n")), 00496 __FUNCTION__); 00497 return (NULL); 00498 } 00499 if (comment->next == NULL) 00500 { 00501 fprintf (stderr, 00502 (_("Warning in %s () a NULL pointer was found in the next member.\n")), 00503 __FUNCTION__); 00504 return ((DxfComment *) comment); 00505 } 00506 DxfComment *iter = (DxfComment *) comment->next; 00507 while (iter->next != NULL) 00508 { 00509 iter = (DxfComment *) iter->next; 00510 } 00511 #if DEBUG 00512 DXF_DEBUG_END 00513 #endif 00514 return ((DxfComment *) iter); 00515 } 00516 00517 00518 /* EOF */
