1/*********************************************************************
2 *
3 * This is based on code created by Peter Harvey,
4 * (pharvey@codebydesign.com).
5 *
6 * Modified and extended by Nick Gorham
7 * (nick@lurcher.org).
8 *
9 * Any bugs or problems should be considered the fault of Nick and not
10 * Peter.
11 *
12 * copyright (c) 1999 Nick Gorham
13 *
14 * This library is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU Lesser General Public
16 * License as published by the Free Software Foundation; either
17 * version 2 of the License, or (at your option) any later version.
18 *
19 * This library is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22 * Lesser General Public License for more details.
23 *
24 * You should have received a copy of the GNU Lesser General Public
25 * License along with this library; if not, write to the Free Software
26 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 *
28 **********************************************************************
29 *
30 * $Id: SQLSetDescFieldW.c,v 1.8 2009/02/18 17:59:08 lurcher Exp $
31 *
32 * $Log: SQLSetDescFieldW.c,v $
33 * Revision 1.8 2009/02/18 17:59:08 lurcher
34 * Shift to using config.h, the compile lines were making it hard to spot warnings
35 *
36 * Revision 1.7 2008/08/29 08:01:39 lurcher
37 * Alter the way W functions are passed to the driver
38 *
39 * Revision 1.6 2007/03/05 09:49:24 lurcher
40 * Get it to build on VMS again
41 *
42 * Revision 1.5 2007/02/28 15:37:48 lurcher
43 * deal with drivers that call internal W functions and end up in the driver manager. controlled by the --enable-handlemap configure arg
44 *
45 * Revision 1.4 2006/04/18 10:24:47 lurcher
46 * Add a couple of changes from Mark Vanderwiel
47 *
48 * Revision 1.3 2003/10/30 18:20:46 lurcher
49 *
50 * Fix broken thread protection
51 * Remove SQLNumResultCols after execute, lease S4/S% to driver
52 * Fix string overrun in SQLDriverConnect
53 * Add initial support for Interix
54 *
55 * Revision 1.2 2002/12/05 17:44:31 lurcher
56 *
57 * Display unknown return values in return logging
58 *
59 * Revision 1.1.1.1 2001/10/17 16:40:07 lurcher
60 *
61 * First upload to SourceForge
62 *
63 * Revision 1.4 2001/07/03 09:30:41 nick
64 *
65 * Add ability to alter size of displayed message in the log
66 *
67 * Revision 1.3 2001/04/17 16:29:39 nick
68 *
69 * More checks and autotest fixes
70 *
71 * Revision 1.2 2001/04/12 17:43:36 nick
72 *
73 * Change logging and added autotest to odbctest
74 *
75 * Revision 1.1 2000/12/31 20:30:54 nick
76 *
77 * Add UNICODE support
78 *
79 *
80 *
81 **********************************************************************/
82
83#include <config.h>
84#include "drivermanager.h"
85
86static char const rcsid[]= "$RCSfile: SQLSetDescFieldW.c,v $";
87
88SQLRETURN SQLSetDescFieldW( SQLHDESC descriptor_handle,
89 SQLSMALLINT rec_number,
90 SQLSMALLINT field_identifier,
91 SQLPOINTER value,
92 SQLINTEGER buffer_length )
93{
94 /*
95 * not quite sure how the descriptor can be
96 * allocated to a statement, all the documentation talks
97 * about state transitions on statement states, but the
98 * descriptor may be allocated with more than one statement
99 * at one time. Which one should I check ?
100 */
101 DMHDESC descriptor = (DMHDESC) descriptor_handle;
102 SQLRETURN ret;
103 SQLCHAR s1[ 100 + LOG_MESSAGE_LEN ];
104 int isStrField = 0;
105
106 /*
107 * check descriptor
108 */
109
110 if ( !__validate_desc( descriptor ))
111 {
112 dm_log_write( __FILE__,
113 __LINE__,
114 LOG_INFO,
115 LOG_INFO,
116 "Error: SQL_INVALID_HANDLE" );
117
118#ifdef WITH_HANDLE_REDIRECT
119 {
120 DMHDESC parent_desc;
121
122 parent_desc = find_parent_handle( descriptor, SQL_HANDLE_DESC );
123
124 if ( parent_desc ) {
125 dm_log_write( __FILE__,
126 __LINE__,
127 LOG_INFO,
128 LOG_INFO,
129 "Info: found parent handle" );
130
131 if ( CHECK_SQLSETDESCFIELDW( parent_desc -> connection ))
132 {
133 dm_log_write( __FILE__,
134 __LINE__,
135 LOG_INFO,
136 LOG_INFO,
137 "Info: calling redirected driver function" );
138
139 return SQLSETDESCFIELDW( parent_desc -> connection,
140 descriptor,
141 rec_number,
142 field_identifier,
143 value,
144 buffer_length );
145 }
146 }
147 }
148#endif
149 return SQL_INVALID_HANDLE;
150 }
151
152 function_entry( descriptor );
153
154 if ( log_info.log_flag )
155 {
156 sprintf( descriptor -> msg, "\n\t\tEntry:\
157\n\t\t\tDescriptor = %p\
158\n\t\t\tRec Number = %d\
159\n\t\t\tField Ident = %s\
160\n\t\t\tValue = %p\
161\n\t\t\tBuffer Length = %d",
162 descriptor,
163 rec_number,
164 __desc_attr_as_string( s1, field_identifier ),
165 value,
166 (int)buffer_length );
167
168 dm_log_write( __FILE__,
169 __LINE__,
170 LOG_INFO,
171 LOG_INFO,
172 descriptor -> msg );
173 }
174
175 thread_protect( SQL_HANDLE_DESC, descriptor );
176
177 if ( descriptor -> connection -> state < STATE_C4 )
178 {
179 dm_log_write( __FILE__,
180 __LINE__,
181 LOG_INFO,
182 LOG_INFO,
183 "Error: HY010" );
184
185 __post_internal_error( &descriptor -> error,
186 ERROR_HY010, NULL,
187 descriptor -> connection -> environment -> requested_version );
188
189 return function_return_nodrv( SQL_HANDLE_DESC, descriptor, SQL_ERROR );
190 }
191
192 /*
193 * check status of statements associated with this descriptor
194 */
195
196 if( __check_stmt_from_desc( descriptor, STATE_S8 ) ||
197 __check_stmt_from_desc( descriptor, STATE_S9 ) ||
198 __check_stmt_from_desc( descriptor, STATE_S10 ) ||
199 __check_stmt_from_desc( descriptor, STATE_S11 ) ||
200 __check_stmt_from_desc( descriptor, STATE_S12 ) ||
201 __check_stmt_from_desc( descriptor, STATE_S13 ) ||
202 __check_stmt_from_desc( descriptor, STATE_S14 ) ||
203 __check_stmt_from_desc( descriptor, STATE_S15 )) {
204
205 dm_log_write( __FILE__,
206 __LINE__,
207 LOG_INFO,
208 LOG_INFO,
209 "Error: HY010" );
210
211 __post_internal_error( &descriptor -> error,
212 ERROR_HY010, NULL,
213 descriptor -> connection -> environment -> requested_version );
214
215 return function_return_nodrv( SQL_HANDLE_DESC, descriptor, SQL_ERROR );
216 }
217
218 if ( rec_number < 0 )
219 {
220 __post_internal_error( &descriptor -> error,
221 ERROR_07009, NULL,
222 descriptor -> connection -> environment -> requested_version );
223
224 return function_return_nodrv( SQL_HANDLE_DESC, descriptor, SQL_ERROR );
225 }
226
227 switch ( field_identifier )
228 {
229 /* Fixed-length fields: buffer_length is ignored */
230 case SQL_DESC_ALLOC_TYPE:
231 case SQL_DESC_ARRAY_SIZE:
232 case SQL_DESC_ARRAY_STATUS_PTR:
233 case SQL_DESC_BIND_OFFSET_PTR:
234 case SQL_DESC_BIND_TYPE:
235 case SQL_DESC_COUNT:
236 case SQL_DESC_ROWS_PROCESSED_PTR:
237 case SQL_DESC_AUTO_UNIQUE_VALUE:
238 case SQL_DESC_CASE_SENSITIVE:
239 case SQL_DESC_CONCISE_TYPE:
240 case SQL_DESC_DATA_PTR:
241 case SQL_DESC_DATETIME_INTERVAL_CODE:
242 case SQL_DESC_DATETIME_INTERVAL_PRECISION:
243 case SQL_DESC_DISPLAY_SIZE:
244 case SQL_DESC_FIXED_PREC_SCALE:
245 case SQL_DESC_INDICATOR_PTR:
246 case SQL_DESC_LENGTH:
247 case SQL_DESC_NULLABLE:
248 case SQL_DESC_NUM_PREC_RADIX:
249 case SQL_DESC_OCTET_LENGTH:
250 case SQL_DESC_OCTET_LENGTH_PTR:
251 case SQL_DESC_PARAMETER_TYPE:
252 case SQL_DESC_PRECISION:
253 case SQL_DESC_ROWVER:
254 case SQL_DESC_SCALE:
255 case SQL_DESC_SEARCHABLE:
256 case SQL_DESC_TYPE:
257 case SQL_DESC_UNNAMED:
258 case SQL_DESC_UNSIGNED:
259 case SQL_DESC_UPDATABLE:
260 isStrField = 0;
261 break;
262 /* Pointer to data: buffer_length must be valid */
263 case SQL_DESC_BASE_COLUMN_NAME:
264 case SQL_DESC_BASE_TABLE_NAME:
265 case SQL_DESC_CATALOG_NAME:
266 case SQL_DESC_LABEL:
267 case SQL_DESC_LITERAL_PREFIX:
268 case SQL_DESC_LITERAL_SUFFIX:
269 case SQL_DESC_LOCAL_TYPE_NAME:
270 case SQL_DESC_NAME:
271 case SQL_DESC_SCHEMA_NAME:
272 case SQL_DESC_TABLE_NAME:
273 case SQL_DESC_TYPE_NAME:
274 isStrField = 1;
275 break;
276 default:
277 isStrField = buffer_length != SQL_IS_POINTER && buffer_length != SQL_IS_INTEGER
278 && buffer_length != SQL_IS_UINTEGER && buffer_length != SQL_IS_SMALLINT &&
279 buffer_length != SQL_IS_USMALLINT;
280 }
281
282 if ( isStrField && buffer_length < 0 && buffer_length != SQL_NTS)
283 {
284 __post_internal_error( &descriptor -> error,
285 ERROR_HY090, NULL,
286 descriptor -> connection -> environment -> requested_version );
287
288 return function_return_nodrv( SQL_HANDLE_DESC, descriptor, SQL_ERROR );
289 }
290
291 if ( field_identifier == SQL_DESC_COUNT && (intptr_t)value < 0 )
292 {
293 __post_internal_error( &descriptor -> error,
294 ERROR_07009, NULL,
295 descriptor -> connection -> environment -> requested_version );
296
297 return function_return_nodrv( SQL_HANDLE_DESC, descriptor, SQL_ERROR );
298 }
299
300 if ( field_identifier == SQL_DESC_PARAMETER_TYPE && (intptr_t)value != SQL_PARAM_INPUT
301 && (intptr_t)value != SQL_PARAM_OUTPUT && (intptr_t)value != SQL_PARAM_INPUT_OUTPUT &&
302 (intptr_t)value != SQL_PARAM_INPUT_OUTPUT_STREAM && (intptr_t)value != SQL_PARAM_OUTPUT_STREAM )
303 {
304 __post_internal_error( &descriptor -> error,
305 ERROR_HY105, NULL,
306 descriptor -> connection -> environment -> requested_version );
307
308 return function_return_nodrv( SQL_HANDLE_DESC, descriptor, SQL_ERROR );
309 }
310
311 if ( descriptor -> connection -> unicode_driver ||
312 CHECK_SQLSETDESCFIELDW( descriptor -> connection ))
313 {
314 if ( !CHECK_SQLSETDESCFIELDW( descriptor -> connection ))
315 {
316 dm_log_write( __FILE__,
317 __LINE__,
318 LOG_INFO,
319 LOG_INFO,
320 "Error: IM001" );
321
322 __post_internal_error( &descriptor -> error,
323 ERROR_IM001, NULL,
324 descriptor -> connection -> environment -> requested_version );
325
326 return function_return_nodrv( SQL_HANDLE_DESC, descriptor, SQL_ERROR );
327 }
328
329 ret = SQLSETDESCFIELDW( descriptor -> connection,
330 descriptor -> driver_desc,
331 rec_number,
332 field_identifier,
333 value,
334 buffer_length );
335
336 if ( log_info.log_flag )
337 {
338 sprintf( descriptor -> msg,
339 "\n\t\tExit:[%s]",
340 __get_return_status( ret, s1 ));
341
342 dm_log_write( __FILE__,
343 __LINE__,
344 LOG_INFO,
345 LOG_INFO,
346 descriptor -> msg );
347 }
348 }
349 else
350 {
351 SQLCHAR *ascii_str = NULL;
352
353 if ( !CHECK_SQLSETDESCFIELD( descriptor -> connection ))
354 {
355 dm_log_write( __FILE__,
356 __LINE__,
357 LOG_INFO,
358 LOG_INFO,
359 "Error: IM001" );
360
361 __post_internal_error( &descriptor -> error,
362 ERROR_IM001, NULL,
363 descriptor -> connection -> environment -> requested_version );
364
365 return function_return_nodrv( SQL_HANDLE_DESC, descriptor, SQL_ERROR );
366 }
367
368 /*
369 * is it a char arg...
370 */
371
372 switch ( field_identifier )
373 {
374 case SQL_DESC_NAME: /* This is the only R/W SQLCHAR* type */
375 ascii_str = (SQLCHAR*) unicode_to_ansi_alloc( value, buffer_length, descriptor -> connection, NULL );
376 value = ascii_str;
377 buffer_length = strlen((char*) ascii_str );
378 break;
379
380 default:
381 break;
382 }
383
384 ret = SQLSETDESCFIELD( descriptor -> connection,
385 descriptor -> driver_desc,
386 rec_number,
387 field_identifier,
388 value,
389 buffer_length );
390
391 if ( log_info.log_flag )
392 {
393 sprintf( descriptor -> msg,
394 "\n\t\tExit:[%s]",
395 __get_return_status( ret, s1 ));
396
397 dm_log_write( __FILE__,
398 __LINE__,
399 LOG_INFO,
400 LOG_INFO,
401 descriptor -> msg );
402 }
403
404 if ( ascii_str )
405 {
406 free( ascii_str );
407 }
408 }
409
410 return function_return( SQL_HANDLE_DESC, descriptor, ret );
411}
412