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7ac48069 | 1 | /* $Id$ |
73cf66ba | 2 | * |
7ac48069 | 3 | * Argument validation routines |
73cf66ba | 4 | * |
7ac48069 | 5 | * Copyright (C) 1987-1998 by the Massachusetts Institute of Technology |
6 | * For copying and distribution information, please see the file | |
7 | * <mit-copyright.h>. | |
73cf66ba | 8 | */ |
9 | ||
73cf66ba | 10 | #include <mit-copyright.h> |
73cf66ba | 11 | #include "mr_server.h" |
03c05291 | 12 | #include "query.h" |
7ac48069 | 13 | #include "qrtn.h" |
14 | ||
73cf66ba | 15 | #include <ctype.h> |
7ac48069 | 16 | #include <stdlib.h> |
03c05291 | 17 | #include <string.h> |
7ac48069 | 18 | #include <unistd.h> |
19 | ||
73cf66ba | 20 | EXEC SQL INCLUDE sqlca; |
21 | EXEC SQL INCLUDE sqlda; | |
7ac48069 | 22 | |
23 | RCSID("$Header$"); | |
73cf66ba | 24 | |
03c05291 | 25 | extern char *whoami, *table_name[], *sqlbuffer[QMAXARGS]; |
26 | extern int dbms_errno, mr_errcode; | |
73cf66ba | 27 | |
28 | EXEC SQL BEGIN DECLARE SECTION; | |
29 | extern char stmt_buf[]; | |
30 | EXEC SQL END DECLARE SECTION; | |
31 | ||
03c05291 | 32 | int validate_chars(char *argv[], struct valobj *vo); |
33 | int validate_id(struct query *, char *argv[], struct valobj *vo); | |
34 | int validate_name(char *argv[], struct valobj *vo); | |
35 | int validate_rename(char *argv[], struct valobj *vo); | |
36 | int validate_type(char *argv[], struct valobj *vo); | |
37 | int validate_typedata(struct query *, char *argv[], struct valobj *vo); | |
38 | int validate_len(char *argv[], struct valobj *vo); | |
f802fd0d | 39 | int validate_num(char *argv[], struct valobj *vo); |
73cf66ba | 40 | |
5eaef520 | 41 | extern SQLDA *sqlald(int, int, int); |
7ac48069 | 42 | SQLDA *mr_alloc_sqlda(void); |
960b073b | 43 | |
03c05291 | 44 | EXEC SQL WHENEVER SQLERROR DO dbmserr(); |
73cf66ba | 45 | |
46 | /* Validation Routines */ | |
47 | ||
44d12d58 | 48 | int validate_row(struct query *q, char *argv[], struct validate *v) |
73cf66ba | 49 | { |
5eaef520 | 50 | EXEC SQL BEGIN DECLARE SECTION; |
5eaef520 | 51 | int rowcount; |
52 | EXEC SQL END DECLARE SECTION; | |
263a36d4 | 53 | char *qual; |
5eaef520 | 54 | |
55 | /* build where clause */ | |
263a36d4 | 56 | qual = build_qual(v->qual, v->argc, argv); |
5eaef520 | 57 | |
5eaef520 | 58 | /* look for the record */ |
59 | sprintf(stmt_buf, "SELECT COUNT (*) FROM %s WHERE %s", | |
60 | table_name[q->rtable], qual); | |
61 | dosql(sqlbuffer); | |
263a36d4 | 62 | free(qual); |
5eaef520 | 63 | if (dbms_errno) |
64 | return mr_errcode; | |
65 | ||
66 | rowcount = atoi(sqlbuffer[0]); | |
67 | if (rowcount == 0) | |
68 | return MR_NO_MATCH; | |
69 | if (rowcount > 1) | |
70 | return MR_NOT_UNIQUE; | |
71 | return MR_EXISTS; | |
73cf66ba | 72 | } |
73 | ||
44d12d58 | 74 | int validate_fields(struct query *q, char *argv[], struct valobj *vo, int n) |
73cf66ba | 75 | { |
44d12d58 | 76 | int status; |
73cf66ba | 77 | |
5eaef520 | 78 | while (--n >= 0) |
79 | { | |
80 | switch (vo->type) | |
81 | { | |
73cf66ba | 82 | case V_NAME: |
5eaef520 | 83 | status = validate_name(argv, vo); |
84 | break; | |
73cf66ba | 85 | |
86 | case V_ID: | |
5eaef520 | 87 | status = validate_id(q, argv, vo); |
88 | break; | |
73cf66ba | 89 | |
90 | case V_TYPE: | |
5eaef520 | 91 | status = validate_type(argv, vo); |
92 | break; | |
73cf66ba | 93 | |
94 | case V_TYPEDATA: | |
5eaef520 | 95 | status = validate_typedata(q, argv, vo); |
96 | break; | |
73cf66ba | 97 | |
98 | case V_RENAME: | |
5eaef520 | 99 | status = validate_rename(argv, vo); |
100 | break; | |
73cf66ba | 101 | |
102 | case V_CHAR: | |
5eaef520 | 103 | status = validate_chars(argv, vo); |
104 | break; | |
03c05291 | 105 | |
106 | case V_LEN: | |
5eaef520 | 107 | status = validate_len(argv, vo); |
108 | break; | |
73cf66ba | 109 | |
f802fd0d | 110 | case V_NUM: |
111 | status = validate_num(argv, vo); | |
112 | break; | |
73cf66ba | 113 | } |
114 | ||
5eaef520 | 115 | if (status != MR_EXISTS) |
116 | return status; | |
117 | vo++; | |
73cf66ba | 118 | } |
119 | ||
5eaef520 | 120 | if (dbms_errno) |
121 | return mr_errcode; | |
122 | return MR_SUCCESS; | |
73cf66ba | 123 | } |
124 | ||
125 | ||
126 | /* validate_chars: verify that there are no illegal characters in | |
127 | * the string. Legal characters are printing chars other than | |
128 | * ", *, ?, \, [ and ]. | |
129 | */ | |
130 | static int illegalchars[] = { | |
5eaef520 | 131 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* ^@ - ^O */ |
132 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* ^P - ^_ */ | |
133 | 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, /* SPACE - / */ | |
134 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, /* 0 - ? */ | |
135 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* : - O */ | |
136 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, /* P - _ */ | |
137 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* ` - o */ | |
138 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, /* p - ^? */ | |
139 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
140 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
141 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
142 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
143 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
144 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
145 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
146 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
73cf66ba | 147 | }; |
148 | ||
44d12d58 | 149 | int validate_chars(char *argv[], struct valobj *vo) |
73cf66ba | 150 | { |
5eaef520 | 151 | char *s = argv[vo->index]; |
5eaef520 | 152 | EXEC SQL BEGIN DECLARE SECTION; |
153 | int len; | |
154 | char *tname, *cname; | |
155 | EXEC SQL END DECLARE SECTION; | |
156 | ||
157 | /* check for bad characters */ | |
158 | while (*s) | |
159 | { | |
7ac48069 | 160 | if (illegalchars[(int)*s++]) |
5eaef520 | 161 | return MR_BAD_CHAR; |
162 | } | |
03c05291 | 163 | |
5eaef520 | 164 | /* check for length */ |
165 | tname = table_name[vo->table]; | |
166 | cname = vo->namefield; | |
167 | EXEC SQL SELECT data_length INTO :len FROM user_tab_columns | |
168 | WHERE table_name = UPPER(:tname) AND column_name = UPPER(:cname); | |
03c05291 | 169 | |
5eaef520 | 170 | if ((strlen(argv[vo->index]) > len) && |
171 | strcmp(argv[vo->index], UNIQUE_LOGIN)) /* kludge... sigh */ | |
64798e00 | 172 | return MR_ARG_TOO_LONG; |
03c05291 | 173 | |
5eaef520 | 174 | return MR_EXISTS; |
73cf66ba | 175 | } |
176 | ||
177 | ||
44d12d58 | 178 | int validate_id(struct query *q, char *argv[], struct valobj *vo) |
73cf66ba | 179 | { |
5eaef520 | 180 | EXEC SQL BEGIN DECLARE SECTION; |
181 | char *name, *namefield, *idfield; | |
182 | int id, rowcount, tbl; | |
183 | EXEC SQL END DECLARE SECTION; | |
184 | int status; | |
44d12d58 | 185 | char *c; |
5eaef520 | 186 | |
187 | name = argv[vo->index]; | |
188 | tbl = vo->table; | |
189 | namefield = vo->namefield; | |
190 | idfield = vo->idfield; | |
191 | ||
8bf97744 | 192 | if (tbl == MACHINE_TABLE || tbl == SUBNET_TABLE) |
5eaef520 | 193 | { |
8bf97744 | 194 | for (c = name; *c; c++) |
5eaef520 | 195 | { |
8bf97744 | 196 | if (islower(*c)) |
197 | *c = toupper(*c); | |
5eaef520 | 198 | } |
5eaef520 | 199 | } |
8bf97744 | 200 | status = name_to_id(name, tbl, &id); |
201 | if (status == 0) | |
5eaef520 | 202 | { |
03c05291 | 203 | *(int *)argv[vo->index] = id; |
5eaef520 | 204 | return MR_EXISTS; |
73cf66ba | 205 | } |
8bf97744 | 206 | else if (status == MR_NO_MATCH && tbl == STRINGS_TABLE && |
207 | (q->type == APPEND || q->type == UPDATE)) | |
208 | { | |
4cad12bc | 209 | if (strlen(name) >= STRINGS_STRING_SIZE) |
210 | return MR_ARG_TOO_LONG; | |
8bf97744 | 211 | id = add_string(name); |
8bf97744 | 212 | *(int *)argv[vo->index] = id; |
213 | return MR_EXISTS; | |
214 | } | |
215 | else if (status == MR_NO_MATCH || status == MR_NOT_UNIQUE) | |
216 | return vo->error; | |
217 | else | |
218 | return status; | |
73cf66ba | 219 | } |
220 | ||
44d12d58 | 221 | int validate_name(char *argv[], struct valobj *vo) |
73cf66ba | 222 | { |
5eaef520 | 223 | char *name, *namefield; |
44d12d58 | 224 | char *c; |
5eaef520 | 225 | |
226 | name = argv[vo->index]; | |
227 | namefield = vo->namefield; | |
228 | if (vo->table == SERVERS_TABLE && !strcmp(namefield, "name")) | |
229 | { | |
230 | for (c = name; *c; c++) | |
231 | { | |
73cf66ba | 232 | if (islower(*c)) |
233 | *c = toupper(*c); | |
5eaef520 | 234 | } |
73cf66ba | 235 | } |
5eaef520 | 236 | sprintf(stmt_buf, "SELECT DISTINCT COUNT(*) FROM %s WHERE %s.%s = '%s'", |
237 | table_name[vo->table], table_name[vo->table], namefield, name); | |
238 | dosql(sqlbuffer); | |
03c05291 | 239 | |
5eaef520 | 240 | if (dbms_errno) |
241 | return mr_errcode; | |
242 | return (atoi(sqlbuffer[0]) == 1) ? MR_EXISTS : vo->error; | |
73cf66ba | 243 | } |
244 | ||
5eaef520 | 245 | int validate_rename(char *argv[], struct valobj *vo) |
73cf66ba | 246 | { |
5eaef520 | 247 | EXEC SQL BEGIN DECLARE SECTION; |
248 | char *name, *namefield, *idfield; | |
249 | int id; | |
250 | EXEC SQL END DECLARE SECTION; | |
251 | int status; | |
44d12d58 | 252 | char *c; |
5eaef520 | 253 | |
254 | status = validate_chars(argv, vo); | |
255 | if (status != MR_EXISTS) | |
256 | return status; | |
257 | name = argv[vo->index]; | |
258 | /* minor kludge to upcasify machine names */ | |
259 | if (vo->table == MACHINE_TABLE) | |
260 | { | |
261 | for (c = name; *c; c++) | |
262 | { | |
263 | if (islower(*c)) | |
264 | *c = toupper(*c); | |
265 | } | |
266 | } | |
267 | namefield = vo->namefield; | |
268 | idfield = vo->idfield; | |
269 | id = -1; | |
270 | if (idfield == 0) | |
271 | { | |
272 | if (!strcmp(argv[vo->index], argv[vo->index - 1])) | |
273 | return MR_EXISTS; | |
274 | sprintf(stmt_buf, "SELECT %s FROM %s WHERE %s = '%s'", | |
275 | namefield, table_name[vo->table], namefield, name); | |
276 | dosql(sqlbuffer); | |
277 | ||
278 | if (dbms_errno) | |
279 | return mr_errcode; | |
280 | if (sqlca.sqlcode == SQL_NO_MATCH) | |
281 | return MR_EXISTS; /* how's _that_ for intuitive? */ | |
282 | else | |
283 | return vo->error; | |
73cf66ba | 284 | } |
5eaef520 | 285 | status = name_to_id(name, vo->table, &id); |
286 | if (status == MR_NO_MATCH || id == *(int *)argv[vo->index - 1]) | |
287 | return MR_EXISTS; | |
288 | else | |
289 | return vo->error; | |
73cf66ba | 290 | } |
291 | ||
292 | ||
44d12d58 | 293 | int validate_type(char *argv[], struct valobj *vo) |
73cf66ba | 294 | { |
5eaef520 | 295 | EXEC SQL BEGIN DECLARE SECTION; |
296 | char *typename; | |
297 | char *val; | |
298 | int cnt; | |
299 | EXEC SQL END DECLARE SECTION; | |
44d12d58 | 300 | char *c; |
5eaef520 | 301 | |
302 | typename = vo->namefield; | |
303 | c = val = argv[vo->index]; | |
304 | while (*c) | |
305 | { | |
7ac48069 | 306 | if (illegalchars[(int)*c++]) |
5eaef520 | 307 | return MR_BAD_CHAR; |
73cf66ba | 308 | } |
309 | ||
5eaef520 | 310 | /* uppercase type fields */ |
311 | for (c = val; *c; c++) | |
312 | { | |
313 | if (islower(*c)) | |
314 | *c = toupper(*c); | |
315 | } | |
73cf66ba | 316 | |
5eaef520 | 317 | EXEC SQL SELECT COUNT(trans) INTO :cnt FROM alias |
318 | WHERE name = :typename AND type = 'TYPE' AND trans = :val; | |
319 | if (dbms_errno) | |
320 | return mr_errcode; | |
321 | return cnt ? MR_EXISTS : vo->error; | |
73cf66ba | 322 | } |
323 | ||
324 | /* validate member or type-specific data field */ | |
325 | ||
44d12d58 | 326 | int validate_typedata(struct query *q, char *argv[], struct valobj *vo) |
73cf66ba | 327 | { |
5eaef520 | 328 | EXEC SQL BEGIN DECLARE SECTION; |
329 | char *name; | |
330 | char *field_type; | |
331 | char data_type[129]; | |
332 | int id; | |
333 | EXEC SQL END DECLARE SECTION; | |
334 | int status; | |
44d12d58 | 335 | char *c; |
5eaef520 | 336 | |
337 | /* get named object */ | |
338 | name = argv[vo->index]; | |
339 | ||
340 | /* get field type string (known to be at index-1) */ | |
341 | field_type = argv[vo->index - 1]; | |
342 | ||
343 | /* get corresponding data type associated with field type name */ | |
344 | EXEC SQL SELECT trans INTO :data_type FROM alias | |
345 | WHERE name = :field_type AND type = 'TYPEDATA'; | |
346 | if (dbms_errno) | |
347 | return mr_errcode; | |
348 | if (sqlca.sqlerrd[2] != 1) | |
349 | return MR_TYPE; | |
350 | ||
351 | /* now retrieve the record id corresponding to the named object */ | |
352 | if (strchr(data_type, ' ')) | |
353 | *strchr(data_type, ' ') = '\0'; | |
354 | if (!strcmp(data_type, "user")) | |
355 | { | |
356 | /* USER */ | |
357 | if (strchr(name, '@')) | |
358 | return MR_USER; | |
359 | status = name_to_id(name, USERS_TABLE, &id); | |
360 | if (status && (status == MR_NO_MATCH || status == MR_NOT_UNIQUE)) | |
361 | return MR_USER; | |
362 | if (status) | |
363 | return status; | |
364 | } | |
365 | else if (!strcmp(data_type, "list")) | |
366 | { | |
367 | /* LIST */ | |
368 | status = name_to_id(name, LIST_TABLE, &id); | |
369 | if (status && status == MR_NOT_UNIQUE) | |
370 | return MR_LIST; | |
371 | if (status == MR_NO_MATCH) | |
372 | { | |
373 | /* if idfield is non-zero, then if argv[0] matches the string | |
374 | * that we're trying to resolve, we should get the value of | |
375 | * numvalues.[idfield] for the id. | |
376 | */ | |
a59f007b | 377 | if (vo->idfield && (*(int *)argv[0] == *(int *)argv[vo->index])) |
5eaef520 | 378 | { |
379 | set_next_object_id(q->validate->object_id, q->rtable, 0); | |
380 | name = vo->idfield; | |
381 | EXEC SQL SELECT value INTO :id FROM numvalues | |
382 | WHERE name = :name; | |
383 | if (sqlca.sqlerrd[2] != 1) | |
384 | return MR_LIST; | |
385 | } | |
386 | else | |
387 | return MR_LIST; | |
388 | } | |
389 | else if (status) | |
390 | return status; | |
391 | } | |
392 | else if (!strcmp(data_type, "machine")) | |
393 | { | |
394 | /* MACHINE */ | |
395 | for (c = name; *c; c++) | |
396 | { | |
397 | if (islower(*c)) | |
398 | *c = toupper(*c); | |
399 | } | |
400 | status = name_to_id(name, MACHINE_TABLE, &id); | |
401 | if (status && (status == MR_NO_MATCH || status == MR_NOT_UNIQUE)) | |
402 | return MR_MACHINE; | |
403 | if (status) | |
404 | return status; | |
405 | } | |
406 | else if (!strcmp(data_type, "string")) | |
407 | { | |
408 | /* STRING */ | |
409 | status = name_to_id(name, STRINGS_TABLE, &id); | |
410 | if (status && status == MR_NOT_UNIQUE) | |
411 | return MR_STRING; | |
412 | if (status == MR_NO_MATCH) | |
413 | { | |
414 | if (q->type != APPEND && q->type != UPDATE) | |
415 | return MR_STRING; | |
4cad12bc | 416 | if (strlen(name) >= STRINGS_STRING_SIZE) |
417 | return MR_ARG_TOO_LONG; | |
5eaef520 | 418 | id = add_string(name); |
5eaef520 | 419 | } |
420 | else if (status) | |
421 | return status; | |
73cf66ba | 422 | } |
46b6f1f6 | 423 | else if (!strcmp(data_type, "none") || !strcmp(data_type, "all")) |
5eaef520 | 424 | id = 0; |
425 | else | |
426 | return MR_TYPE; | |
73cf66ba | 427 | |
5eaef520 | 428 | /* now set value in argv */ |
429 | *(int *)argv[vo->index] = id; | |
73cf66ba | 430 | |
5eaef520 | 431 | return MR_EXISTS; |
73cf66ba | 432 | } |
433 | ||
434 | ||
03c05291 | 435 | /* Make sure the data fits in the field */ |
44d12d58 | 436 | int validate_len(char *argv[], struct valobj *vo) |
03c05291 | 437 | { |
5eaef520 | 438 | EXEC SQL BEGIN DECLARE SECTION; |
439 | int len; | |
440 | char *tname, *cname; | |
441 | EXEC SQL END DECLARE SECTION; | |
03c05291 | 442 | |
5eaef520 | 443 | tname = table_name[vo->table]; |
444 | cname = vo->namefield; | |
445 | EXEC SQL SELECT data_length INTO :len FROM user_tab_columns | |
446 | WHERE table_name = UPPER(:tname) AND column_name = UPPER(:cname); | |
03c05291 | 447 | |
5eaef520 | 448 | if ((strlen(argv[vo->index]) > len) && |
449 | strcmp(argv[vo->index], UNIQUE_LOGIN)) /* kludge... sigh */ | |
64798e00 | 450 | return MR_ARG_TOO_LONG; |
03c05291 | 451 | |
5eaef520 | 452 | return MR_EXISTS; |
03c05291 | 453 | } |
454 | ||
f802fd0d | 455 | /* Make sure the data is numeric */ |
456 | int validate_num(char *argv[], struct valobj *vo) | |
457 | { | |
458 | char *p = argv[vo->index]; | |
459 | ||
460 | if (!strcmp(p, UNIQUE_GID) || !strcmp(p, UNIQUE_UID)) | |
461 | { | |
462 | strcpy(p, "-1"); | |
463 | return MR_EXISTS; | |
464 | } | |
465 | ||
466 | if (*p == '-') | |
467 | p++; | |
6bd10afd | 468 | if (!*p) |
469 | return MR_INTEGER; | |
470 | ||
f802fd0d | 471 | for (; *p; p++) |
472 | { | |
473 | if (*p < '0' || *p > '9') | |
474 | return MR_INTEGER; | |
475 | } | |
476 | ||
477 | return MR_EXISTS; | |
478 | } | |
479 | ||
695afd0d | 480 | /* Check the database at startup time. */ |
03c05291 | 481 | |
482 | void sanity_check_database(void) | |
483 | { | |
5eaef520 | 484 | EXEC SQL BEGIN DECLARE SECTION; |
485 | int oid, id; | |
486 | EXEC SQL END DECLARE SECTION; | |
695afd0d | 487 | |
5eaef520 | 488 | /* Sometimes a crash can leave strings_id in numvalues in an |
489 | incorrect state. Check for that and fix it. */ | |
695afd0d | 490 | |
5eaef520 | 491 | EXEC SQL SELECT value INTO :oid FROM numvalues WHERE name = 'strings_id'; |
695afd0d | 492 | |
5eaef520 | 493 | for (id = oid + 1; sqlca.sqlcode == 0; id++) |
494 | { | |
495 | EXEC SQL SELECT string_id INTO :id FROM strings | |
496 | WHERE string_id = :id; | |
497 | } | |
695afd0d | 498 | |
5eaef520 | 499 | if (id != oid + 1) |
500 | EXEC SQL UPDATE numvalues SET value = :id - 1 WHERE name = 'strings_id'; | |
03c05291 | 501 | } |
502 | ||
503 | ||
504 | char *sqlbuffer[QMAXARGS]; | |
73cf66ba | 505 | |
506 | /* Dynamic SQL support routines */ | |
7ac48069 | 507 | SQLDA *mr_alloc_sqlda(void) |
73cf66ba | 508 | { |
5eaef520 | 509 | SQLDA *it; |
44d12d58 | 510 | int j; |
5eaef520 | 511 | |
512 | it = sqlald(QMAXARGS, ARGLEN, 0); | |
513 | if (!it) | |
514 | { | |
515 | com_err(whoami, MR_NO_MEM, "setting up SQLDA"); | |
516 | exit(1); | |
73cf66ba | 517 | } |
518 | ||
5eaef520 | 519 | for (j = 0; j < QMAXARGS; j++) |
520 | { | |
e688520a | 521 | it->V[j] = sqlbuffer[j] = xmalloc(ARGLEN); |
5eaef520 | 522 | it->T[j] = 97; /* 97 = CHARZ = null-terminated string */ |
523 | it->L[j] = ARGLEN; | |
73cf66ba | 524 | } |
03c05291 | 525 | |
5eaef520 | 526 | return it; |
73cf66ba | 527 | } |
528 | ||
73cf66ba | 529 | /* Adds a string to the string table. Returns the id number. |
5eaef520 | 530 | * |
73cf66ba | 531 | */ |
5eaef520 | 532 | int add_string(char *nm) |
73cf66ba | 533 | { |
5eaef520 | 534 | EXEC SQL BEGIN DECLARE SECTION; |
7ac48069 | 535 | char *name = nm; |
5eaef520 | 536 | int id; |
537 | EXEC SQL END DECLARE SECTION; | |
538 | ||
539 | EXEC SQL SELECT value INTO :id FROM numvalues WHERE name = 'strings_id'; | |
540 | id++; | |
541 | EXEC SQL UPDATE numvalues SET value = :id WHERE name = 'strings_id'; | |
542 | ||
7ac48069 | 543 | EXEC SQL INSERT INTO strings (string_id, string) VALUES (:id, :name); |
5eaef520 | 544 | |
545 | return id; | |
73cf66ba | 546 | } |