FreeTDS API
tds.h
Go to the documentation of this file.
1 /* FreeTDS - Library of routines accessing Sybase and Microsoft databases
2  * Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 Brian Bruns
3  * Copyright (C) 2010, 2011 Frediano Ziglio
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Library General Public
7  * License as published by the Free Software Foundation; either
8  * version 2 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Library General Public License for more details.
14  *
15  * You should have received a copy of the GNU Library General Public
16  * License along with this library; if not, write to the
17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18  * Boston, MA 02111-1307, USA.
19  */
20 
21 #ifndef _tds_h_
22 #define _tds_h_
23 
24 #ifndef _freetds_config_h_
25 #error should include config.h before
26 #endif
27 
28 #include <stdarg.h>
29 #include <stdio.h>
30 #include <time.h>
31 
32 #ifdef HAVE_STDDEF_H
33 #include <stddef.h>
34 #endif
35 
36 #if HAVE_NETDB_H
37 #include <netdb.h>
38 #endif /* HAVE_NETDB_H */
39 
40 #if HAVE_NETINET_IN_H
41 #include <netinet/in.h>
42 #endif /* HAVE_NET_INET_IN_H */
43 #if HAVE_ARPA_INET_H
44 #include <arpa/inet.h>
45 #endif /* HAVE_ARPA_INET_H */
46 
47 #if HAVE_SYS_SOCKET_H
48 #include <sys/socket.h>
49 #endif /* HAVE_SYS_SOCKET_H */
50 
51 /* forward declaration */
52 typedef struct tdsiconvinfo TDSICONV;
53 typedef struct tds_connection TDSCONNECTION;
54 typedef struct tds_socket TDSSOCKET;
55 typedef struct tds_column TDSCOLUMN;
56 typedef struct tds_bcpinfo TDSBCPINFO;
57 
58 #include <freetds/version.h>
59 #include <freetds/sysdep_private.h>
60 #include <freetds/sysdep_types.h>
61 #include <freetds/thread.h>
62 #include <freetds/bool.h>
63 #include <freetds/macros.h>
64 #include <freetds/utils/string.h>
65 #include <freetds/replacements.h>
66 
67 #include <freetds/pushvis.h>
68 
69 #ifdef __cplusplus
70 extern "C"
71 {
72 #if 0
73 }
74 #endif
75 #endif
76 
83 {
84  const char *freetds_version; /* release version of FreeTDS */
85  const char *sysconfdir; /* location of freetds.conf */
86  const char *last_update; /* latest software_version date among the modules */
87  const char *tdsver; /* TDS protocol version (4.2/4.6/5.0/7.0/7.1) 5.0 */
88  bool msdblib; /* for MS style dblib */
89  bool sybase_compat; /* enable increased Open Client binary compatibility */
90  bool threadsafe; /* compile for thread safety default=no */
91  bool libiconv; /* search for libiconv in DIR/include and DIR/lib */
92  bool iodbc; /* build odbc driver against iODBC in DIR */
93  bool unixodbc; /* build odbc driver against unixODBC in DIR */
94  bool openssl; /* build against OpenSSL */
95  bool gnutls; /* build against GnuTLS */
96  bool mars; /* MARS enabled */
97  bool sspi; /* SSPI enabled */
98  bool kerberos; /* Kerberos enabled */
100 
116 /*
117  * All references to data that touch the wire should use the following typedefs.
118  *
119  * If you have problems on 64-bit machines and the code is
120  * using a native datatype, please change it to use
121  * these. (In the TDS layer only, the API layers have their
122  * own typedefs which equate to these).
123  */
124 typedef char TDS_CHAR; /* 8-bit char */
125 typedef uint8_t TDS_UCHAR; /* 8-bit uchar */
126 typedef uint8_t TDS_TINYINT; /* 8-bit unsigned */
127 typedef int16_t TDS_SMALLINT; /* 16-bit int */
128 typedef uint16_t TDS_USMALLINT; /* 16-bit unsigned */
129 typedef int32_t TDS_INT; /* 32-bit int */
130 typedef uint32_t TDS_UINT; /* 32-bit unsigned */
131 typedef int64_t TDS_INT8; /* 64-bit integer */
132 typedef uint64_t TDS_UINT8; /* 64-bit unsigned */
133 typedef tds_sysdep_real32_type TDS_REAL; /* 32-bit real */
134 typedef tds_sysdep_real64_type TDS_FLOAT; /* 64-bit real */
135 
136 #include <freetds/proto.h>
137 
138 #define TDS_INVALID_TYPE ((TDS_SERVER_TYPE) 0)
139 
144 typedef struct
145 {
146  TDS_UINT8 time;
147  TDS_INT date;
148  TDS_SMALLINT offset;
149  TDS_USMALLINT time_prec:3;
150  TDS_USMALLINT _tds_reserved:10;
151  TDS_USMALLINT has_time:1;
152  TDS_USMALLINT has_date:1;
153  TDS_USMALLINT has_offset:1;
155 
157 typedef struct tdsdaterec
158 {
159  TDS_INT year;
160  TDS_INT quarter;
161  TDS_INT month;
162  TDS_INT day;
163  TDS_INT dayofyear;
164  TDS_INT weekday;
165  TDS_INT hour;
166  TDS_INT minute;
167  TDS_INT second;
168  TDS_INT decimicrosecond;
169  TDS_INT timezone;
170 } TDSDATEREC;
171 
177 extern const int tds_numeric_bytes_per_prec[];
178 
179 typedef int TDSRET;
180 #define TDS_NO_MORE_RESULTS ((TDSRET)1)
181 #define TDS_SUCCESS ((TDSRET)0)
182 #define TDS_FAIL ((TDSRET)-1)
183 #define TDS_CANCELLED ((TDSRET)-2)
184 #define TDS_FAILED(rc) ((rc)<0)
185 #define TDS_SUCCEED(rc) ((rc)>=0)
186 #define TDS_PROPAGATE(rc) \
187  do { TDSRET _tds_ret = (rc); if (TDS_FAILED(_tds_ret)) return _tds_ret; } while(0)
188 
189 #define TDS_INT_CONTINUE 1
190 #define TDS_INT_CANCEL 2
191 #define TDS_INT_TIMEOUT 3
192 
193 
194 #define TDS_NO_COUNT -1
195 
196 #define TDS_ROW_RESULT 4040
197 #define TDS_PARAM_RESULT 4042
198 #define TDS_STATUS_RESULT 4043
199 #define TDS_MSG_RESULT 4044
200 #define TDS_COMPUTE_RESULT 4045
201 #define TDS_CMD_DONE 4046
202 #define TDS_CMD_SUCCEED 4047
203 #define TDS_CMD_FAIL 4048
204 #define TDS_ROWFMT_RESULT 4049
205 #define TDS_COMPUTEFMT_RESULT 4050
206 #define TDS_DESCRIBE_RESULT 4051
207 #define TDS_DONE_RESULT 4052
208 #define TDS_DONEPROC_RESULT 4053
209 #define TDS_DONEINPROC_RESULT 4054
210 #define TDS_OTHERS_RESULT 4055
211 
212 enum tds_token_results
213 {
214  TDS_TOKEN_RES_OTHERS,
215  TDS_TOKEN_RES_ROWFMT,
216  TDS_TOKEN_RES_COMPUTEFMT,
217  TDS_TOKEN_RES_PARAMFMT,
218  TDS_TOKEN_RES_DONE,
219  TDS_TOKEN_RES_ROW,
220  TDS_TOKEN_RES_COMPUTE,
221  TDS_TOKEN_RES_PROC,
222  TDS_TOKEN_RES_MSG,
223  TDS_TOKEN_RES_ENV,
224 };
225 
226 #define TDS_TOKEN_FLAG(flag) TDS_RETURN_##flag = (1 << (TDS_TOKEN_RES_##flag*2)), TDS_STOPAT_##flag = (2 << (TDS_TOKEN_RES_##flag*2))
227 
228 enum tds_token_flags
229 {
230  TDS_HANDLE_ALL = 0,
231  TDS_TOKEN_FLAG(OTHERS),
232  TDS_TOKEN_FLAG(ROWFMT),
233  TDS_TOKEN_FLAG(COMPUTEFMT),
234  TDS_TOKEN_FLAG(PARAMFMT),
235  TDS_TOKEN_FLAG(DONE),
236  TDS_TOKEN_FLAG(ROW),
237  TDS_TOKEN_FLAG(COMPUTE),
238  TDS_TOKEN_FLAG(PROC),
239  TDS_TOKEN_FLAG(MSG),
240  TDS_TOKEN_FLAG(ENV),
241  TDS_TOKEN_RESULTS = TDS_RETURN_ROWFMT|TDS_RETURN_COMPUTEFMT|TDS_RETURN_DONE|TDS_STOPAT_ROW|TDS_STOPAT_COMPUTE|TDS_RETURN_PROC,
242  TDS_TOKEN_TRAILING = TDS_STOPAT_ROWFMT|TDS_STOPAT_COMPUTEFMT|TDS_STOPAT_ROW|TDS_STOPAT_COMPUTE|TDS_STOPAT_MSG|TDS_STOPAT_OTHERS
243 };
244 
249 {
252  , TDS_DONE_ERROR = 0x02
253  , TDS_DONE_INXACT = 0x04
254  , TDS_DONE_PROC = 0x08
255  , TDS_DONE_COUNT = 0x10
257  , TDS_DONE_EVENT = 0x40 /* part of an event notification. */
258  , TDS_DONE_SRVERROR = 0x100
260  /* after the above flags, a TDS_DONE packet has a field describing the state of the transaction */
261  , TDS_DONE_NO_TRAN = 0 /* No transaction in effect */
262  , TDS_DONE_TRAN_SUCCEED = 1 /* Transaction completed successfully */
263  , TDS_DONE_TRAN_PROGRESS= 2 /* Transaction in progress */
264  , TDS_DONE_STMT_ABORT = 3 /* A statement aborted */
265  , TDS_DONE_TRAN_ABORT = 4 /* Transaction aborted */
266 };
267 
268 
269 /*
270  * TDSERRNO is emitted by libtds to the client library's error handler
271  * (which may in turn call the client's error handler).
272  * These match the db-lib msgno, because the same values have the same meaning
273  * in db-lib and ODBC. ct-lib maps them to ct-lib numbers (todo).
274  */
275 typedef enum { TDSEOK = TDS_SUCCESS,
276  TDSEVERDOWN = 100,
277  TDSEINPROGRESS,
278  TDSEICONVIU = 2400,
279  TDSEICONVAVAIL = 2401,
280  TDSEICONVO = 2402,
281  TDSEICONVI = 2403,
282  TDSEICONV2BIG = 2404,
283  TDSEPORTINSTANCE = 2500,
284  TDSESYNC = 20001,
285  TDSEFCON = 20002,
286  TDSETIME = 20003,
287  TDSEREAD = 20004,
288  TDSEWRIT = 20006,
289  TDSESOCK = 20008,
290  TDSECONN = 20009,
291  TDSEMEM = 20010,
292  TDSEINTF = 20012, /* Server name not found in interface file */
293  TDSEUHST = 20013, /* Unknown host machine name. */
294  TDSEPWD = 20014,
295  TDSESEOF = 20017,
296  TDSERPND = 20019,
297  TDSEBTOK = 20020,
298  TDSEOOB = 20022,
299  TDSECLOS = 20056,
300  TDSEUSCT = 20058,
301  TDSEUTDS = 20146,
302  TDSEEUNR = 20185,
303  TDSECAP = 20203,
304  TDSENEG = 20210,
305  TDSEUMSG = 20212,
306  TDSECAPTYP = 20213,
307  TDSECONF = 20214,
308  TDSEBPROBADTYP = 20250,
309  TDSECLOSEIN = 20292
310 } TDSERRNO;
311 
312 
313 enum {
314  TDS_CUR_ISTAT_UNUSED = 0x00,
315  TDS_CUR_ISTAT_DECLARED = 0x01,
316  TDS_CUR_ISTAT_OPEN = 0x02,
317  TDS_CUR_ISTAT_CLOSED = 0x04,
318  TDS_CUR_ISTAT_RDONLY = 0x08,
319  TDS_CUR_ISTAT_UPDATABLE = 0x10,
320  TDS_CUR_ISTAT_ROWCNT = 0x20,
321  TDS_CUR_ISTAT_DEALLOC = 0x40
322 };
323 
324 /* string types */
325 #define TDS_NULLTERM -9
326 
327 
328 typedef union tds_option_arg
329 {
330  TDS_TINYINT ti;
331  TDS_INT i;
332  TDS_CHAR *c;
334 
335 
336 typedef enum tds_encryption_level {
337  TDS_ENCRYPTION_DEFAULT,
338  TDS_ENCRYPTION_OFF,
339  TDS_ENCRYPTION_REQUEST,
340  TDS_ENCRYPTION_REQUIRE
341 } TDS_ENCRYPTION_LEVEL;
342 
343 /*
344  * TODO use system macros for optimization
345  * See mcrypt for reference and linux kernel source for optimization
346  * check if unaligned access and use fast write/read when implemented
347  */
348 #define TDS_BYTE_SWAP16(value) \
349  (((((uint16_t)value)<<8) & 0xFF00u) | \
350  ((((uint16_t)value)>>8) & 0x00FFu))
351 
352 #define TDS_BYTE_SWAP32(value) \
353  (((((uint32_t)value)<<24) & 0xFF000000u)| \
354  ((((uint32_t)value)<< 8) & 0x00FF0000u)| \
355  ((((uint32_t)value)>> 8) & 0x0000FF00u)| \
356  ((((uint32_t)value)>>24) & 0x000000FFu))
357 
358 #define is_end_token(x) ((x) >= TDS_DONE_TOKEN && (x) <= TDS_DONEINPROC_TOKEN)
359 
360 enum {
361  TDS_TYPEFLAG_INVALID = 0,
362  TDS_TYPEFLAG_NULLABLE = 1,
363  TDS_TYPEFLAG_FIXED = 2,
364  TDS_TYPEFLAG_VARIABLE = 4,
365  TDS_TYPEFLAG_COLLATE = 8,
366  TDS_TYPEFLAG_ASCII = 16,
367  TDS_TYPEFLAG_UNICODE = 32,
368  TDS_TYPEFLAG_BINARY = 64,
369  TDS_TYPEFLAG_DATETIME = 128,
370  TDS_TYPEFLAG_NUMERIC = 256,
371  TDS_TYPEFLAG_VARIANT = 512,
372 };
373 
374 extern const uint16_t tds_type_flags_ms[256];
375 #if 0
376 extern const uint16_t tds_type_flags_syb[256];
377 extern const char *const tds_type_names[256];
378 #endif
379 
380 #define is_fixed_type(x) ((tds_type_flags_ms[x] & TDS_TYPEFLAG_FIXED) != 0)
381 #define is_nullable_type(x) ((tds_type_flags_ms[x] & TDS_TYPEFLAG_NULLABLE) != 0)
382 #define is_variable_type(x) ((tds_type_flags_ms[x] & TDS_TYPEFLAG_VARIABLE) != 0)
383 #define is_variant_inner_type(x) ((tds_type_flags_ms[x] & TDS_TYPEFLAG_VARIANT) != 0)
384 
385 
386 #define is_blob_type(x) ((x)==SYBTEXT || (x)==SYBIMAGE || (x)==SYBNTEXT)
387 #define is_blob_col(x) ((x)->column_varint_size > 2)
388 /* large type means it has a two byte size field */
389 /* define is_large_type(x) (x>128) */
390 #define is_numeric_type(x) ((x)==SYBNUMERIC || (x)==SYBDECIMAL)
391 
392 #define is_datetime_type(x) ((tds_type_flags_ms[x] & TDS_TYPEFLAG_DATETIME) != 0)
393 #define is_unicode_type(x) ((tds_type_flags_ms[x] & TDS_TYPEFLAG_UNICODE) != 0)
394 #define is_collate_type(x) ((tds_type_flags_ms[x] & TDS_TYPEFLAG_COLLATE) != 0)
395 #define is_ascii_type(x) ((tds_type_flags_ms[x] & TDS_TYPEFLAG_ASCII) != 0)
396 #define is_binary_type(x) ((tds_type_flags_ms[x] & TDS_TYPEFLAG_BINARY) != 0)
397 #define is_char_type(x) ((tds_type_flags_ms[x] & (TDS_TYPEFLAG_ASCII|TDS_TYPEFLAG_UNICODE)) != 0)
398 #define is_similar_type(x, y) (is_char_type(x) && is_char_type(y))
399 static inline
400 bool is_tds_type_valid(int type)
401 {
402  return (unsigned) type < 256u && tds_type_flags_ms[type] != 0;
403 }
404 
405 
406 #define TDS_MAX_CAPABILITY 32
407 #define MAXPRECISION 77
408 #define TDS_MAX_CONN 4096
409 #define TDS_MAX_DYNID_LEN 30
410 
411 /* defaults to use if no others are found */
412 #define TDS_DEF_SERVER "SYBASE"
413 #define TDS_DEF_BLKSZ 512
414 #define TDS_DEF_CHARSET "iso_1"
415 #define TDS_DEF_LANG "us_english"
416 #if TDS50
417 #define TDS_DEFAULT_VERSION 0x500
418 #define TDS_DEF_PORT 4000
419 #elif TDS71
420 #define TDS_DEFAULT_VERSION 0x701
421 #define TDS_DEF_PORT 1433
422 #elif TDS72
423 #define TDS_DEFAULT_VERSION 0x702
424 #define TDS_DEF_PORT 1433
425 #elif TDS73
426 #define TDS_DEFAULT_VERSION 0x703
427 #define TDS_DEF_PORT 1433
428 #elif TDS74
429 #define TDS_DEFAULT_VERSION 0x704
430 #define TDS_DEF_PORT 1433
431 #else
432 #define TDS_DEFAULT_VERSION 0x000
433 #define TDS_DEF_PORT 1433
434 #endif
435 
436 /* normalized strings from freetds.conf file */
437 #define TDS_STR_VERSION "tds version"
438 #define TDS_STR_BLKSZ "initial block size"
439 #define TDS_STR_SWAPDT "swap broken dates"
440 #define TDS_STR_DUMPFILE "dump file"
441 #define TDS_STR_DEBUGLVL "debug level"
442 #define TDS_STR_DEBUGFLAGS "debug flags"
443 #define TDS_STR_TIMEOUT "timeout"
444 #define TDS_STR_QUERY_TIMEOUT "query timeout"
445 #define TDS_STR_CONNTIMEOUT "connect timeout"
446 #define TDS_STR_HOSTNAME "hostname"
447 #define TDS_STR_HOST "host"
448 #define TDS_STR_PORT "port"
449 #define TDS_STR_TEXTSZ "text size"
450 /* for big endian hosts, obsolete, ignored */
451 #define TDS_STR_EMUL_LE "emulate little endian"
452 #define TDS_STR_CHARSET "charset"
453 #define TDS_STR_CLCHARSET "client charset"
454 #define TDS_STR_USE_UTF_16 "use utf-16"
455 #define TDS_STR_LANGUAGE "language"
456 #define TDS_STR_APPENDMODE "dump file append"
457 #define TDS_STR_DATETIMEFMT "date format"
458 #define TDS_STR_DATEFMT "date-only format"
459 #define TDS_STR_TIMEFMT "time-only format"
460 #define TDS_STR_INSTANCE "instance"
461 #define TDS_STR_ASA_DATABASE "asa database"
462 #define TDS_STR_DATABASE "database"
463 #define TDS_STR_ENCRYPTION "encryption"
464 #define TDS_STR_USENTLMV2 "use ntlmv2"
465 #define TDS_STR_USELANMAN "use lanman"
466 /* conf values */
467 #define TDS_STR_ENCRYPTION_OFF "off"
468 #define TDS_STR_ENCRYPTION_REQUEST "request"
469 #define TDS_STR_ENCRYPTION_REQUIRE "require"
470 /* Defines to enable optional GSSAPI delegation */
471 #define TDS_GSSAPI_DELEGATION "enable gssapi delegation"
472 /* Mutual authentication */
473 #define TDS_STR_MUTUAL_AUTHENTICATION "mutual authentication"
474 /* Kerberos realm name */
475 #define TDS_STR_REALM "realm"
476 /* Kerberos SPN */
477 #define TDS_STR_SPN "spn"
478 /* CA file */
479 #define TDS_STR_CAFILE "ca file"
480 /* CRL file */
481 #define TDS_STR_CRLFILE "crl file"
482 /* check SSL hostname */
483 #define TDS_STR_CHECKSSLHOSTNAME "check certificate hostname"
484 /* database filename to attach on login (MSSQL) */
485 #define TDS_STR_DBFILENAME "database filename"
486 /* Application Intent MSSQL 2012 support */
487 #define TDS_STR_READONLY_INTENT "read-only intent"
488 /* configurable cipher suite to send to openssl's SSL_set_cipher_list() function */
489 #define TLS_STR_OPENSSL_CIPHERS "openssl ciphers"
490 /* enable old TLS v1, required for instance if you are using a really old Windows XP */
491 #define TDS_STR_ENABLE_TLS_V1 "enable tls v1"
492 
493 
494 /* TODO do a better check for alignment than this */
495 typedef union
496 {
497  void *p;
498  int i;
499  int64_t ui;
501 
502 #define TDS_ALIGN_SIZE sizeof(tds_align_struct)
503 
504 typedef struct tds_capability_type
505 {
506  unsigned char type;
507  unsigned char len; /* always sizeof(values) */
508  unsigned char values[TDS_MAX_CAPABILITY/2-2];
510 
511 typedef struct tds_capabilities
512 {
513  TDS_CAPABILITY_TYPE types[2];
515 
516 #define TDS_MAX_LOGIN_STR_SZ 128
517 typedef struct tds_login
518 {
520  int port;
521  TDS_USMALLINT tds_version;
522  int block_size;
523  DSTR language; /* e.g. us-english */
525  TDS_INT connect_timeout;
526  DSTR client_host_name;
527  DSTR server_host_name;
533  DSTR openssl_ciphers;
534  DSTR app_name;
539  DSTR library; /* Ct-Library, DB-Library, TDS-Library or ODBC */
540  TDS_TINYINT encryption_level;
541 
542  TDS_INT query_timeout;
543  TDS_CAPABILITIES capabilities;
544  DSTR client_charset;
545  DSTR database;
546 
547  struct addrinfo *ip_addrs;
548  DSTR instance_name;
549  DSTR dump_file;
550  int debug_flags;
551  int text_size;
552  DSTR routing_address;
553  uint16_t routing_port;
554 
555  unsigned char option_flag2;
556 
557  unsigned int bulk_copy:1;
558  unsigned int suppress_language:1;
559  unsigned int gssapi_use_delegation:1;
560  unsigned int mutual_authentication:1;
561  unsigned int use_ntlmv2:1;
562  unsigned int use_ntlmv2_specified:1;
563  unsigned int use_lanman:1;
564  unsigned int mars:1;
565  unsigned int use_utf16:1;
566  unsigned int use_new_password:1;
567  unsigned int valid_configuration:1;
568  unsigned int check_ssl_hostname:1;
569  unsigned int readonly_intent:1;
570  unsigned int enable_tls_v1:1;
571  unsigned int enable_tls_v1_specified:1;
572  unsigned int server_is_valid:1;
573 } TDSLOGIN;
574 
575 typedef struct tds_headers
576 {
577  const char *qn_options;
578  const char *qn_msgtext;
579  TDS_INT qn_timeout;
580  /* TDS 7.4+: trace activity ID char[20] */
581 } TDSHEADERS;
582 
583 typedef struct tds_locale
584 {
585  char *language;
586  char *server_charset;
587  char *datetime_fmt;
588  char *date_fmt;
589  char *time_fmt;
590 } TDSLOCALE;
591 
596 typedef struct tds_blob
597 {
598  TDS_CHAR *textvalue;
599  TDS_CHAR textptr[16];
600  TDS_CHAR timestamp[8];
601  bool valid_ptr;
602 } TDSBLOB;
603 
607 typedef struct tds_variant
608 {
609  /* this MUST have same position and place of textvalue in tds_blob */
610  TDS_CHAR *data;
611  TDS_INT size;
612  TDS_INT data_len;
613  TDS_SERVER_TYPE type;
614  TDS_UCHAR collation[5];
615 } TDSVARIANT;
616 
621 typedef struct tds_encoding
622 {
624  const char *name;
625  unsigned char min_bytes_per_char;
626  unsigned char max_bytes_per_char;
628  unsigned char canonic;
629 } TDS_ENCODING;
630 
631 typedef struct tds_bcpcoldata
632 {
633  TDS_UCHAR *data;
634  TDS_INT datalen;
635  bool is_null;
636 } BCPCOLDATA;
637 
638 
639 typedef TDSRET tds_func_get_info(TDSSOCKET *tds, TDSCOLUMN *col);
640 typedef TDSRET tds_func_get_data(TDSSOCKET *tds, TDSCOLUMN *col);
641 typedef TDS_INT tds_func_row_len(TDSCOLUMN *col);
642 typedef TDSRET tds_func_put_info(TDSSOCKET *tds, TDSCOLUMN *col);
643 typedef TDSRET tds_func_put_data(TDSSOCKET *tds, TDSCOLUMN *col, int bcp7);
644 typedef int tds_func_check(const TDSCOLUMN *col);
645 
646 typedef struct tds_column_funcs
647 {
648  tds_func_get_info *get_info;
649  tds_func_get_data *get_data;
650  tds_func_row_len *row_len;
656  tds_func_put_info *put_info;
666  tds_func_put_data *put_data;
667 #if ENABLE_EXTRA_CHECKS
668 
682  tds_func_check *check;
683 #endif
684 #if 0
685  TDSRET (*convert)(TDSSOCKET *tds, TDSCOLUMN *col);
686 #endif
688 
693 {
694  const TDSCOLUMNFUNCS *funcs;
695  TDS_INT column_usertype;
696  TDS_INT column_flags;
697 
698  TDS_INT column_size;
700  TDS_SERVER_TYPE column_type;
705  TDS_TINYINT column_varint_size;
707  TDS_TINYINT column_prec;
708  TDS_TINYINT column_scale;
710  struct
711  {
712  TDS_SERVER_TYPE column_type;
713  TDS_INT column_size;
714  } on_server;
715 
718  DSTR table_name;
719  DSTR column_name;
720  DSTR table_column_name;
721 
722  unsigned char *column_data;
723  void (*column_data_free)(struct tds_column *column);
724  unsigned char column_nullable:1;
725  unsigned char column_writeable:1;
726  unsigned char column_identity:1;
727  unsigned char column_key:1;
728  unsigned char column_hidden:1;
729  unsigned char column_output:1;
730  unsigned char column_timestamp:1;
731  unsigned char column_computed:1;
732  TDS_UCHAR column_collation[5];
733 
734  /* additional fields flags for compute results */
735  TDS_SMALLINT column_operand;
736  TDS_TINYINT column_operator;
737 
738  /* FIXME this is data related, not column */
741 
742  /* related to binding or info stored by client libraries */
743  /* FIXME find a best place to store these data, some are unused */
744  TDS_SMALLINT column_bindtype;
745  TDS_SMALLINT column_bindfmt;
746  TDS_UINT column_bindlen;
747  TDS_SMALLINT *column_nullbind;
748  TDS_CHAR *column_varaddr;
749  TDS_INT *column_lenbind;
750  TDS_INT column_textpos;
751  TDS_INT column_text_sqlgetdatapos;
752  TDS_CHAR column_text_sqlputdatainfo;
753  unsigned char column_iconv_left;
754  char column_iconv_buf[9];
755 
756  BCPCOLDATA *bcp_column_data;
765  TDS_INT bcp_prefix_len;
766  TDS_INT bcp_term_len;
767  TDS_CHAR *bcp_terminator;
768 };
769 
770 
772 typedef struct tds_result_info
773 {
774  /* TODO those fields can became a struct */
775  TDSCOLUMN **columns;
776  TDS_USMALLINT num_cols;
777  TDS_USMALLINT computeid;
778  TDS_INT ref_count;
779  TDSSOCKET *attached_to;
780  unsigned char *current_row;
781  void (*row_free)(struct tds_result_info* result, unsigned char *row);
782  TDS_INT row_size;
783 
784  TDS_SMALLINT *bycolumns;
785  TDS_USMALLINT by_cols;
786  bool rows_exist;
787  /* TODO remove ?? used only in dblib */
788  bool more_results;
789 } TDSRESULTINFO;
790 
792 typedef enum tds_states
793 {
800 } TDS_STATE;
801 
802 typedef enum tds_operations
803 {
804  TDS_OP_NONE = 0,
805 
806  /* mssql operations */
807  TDS_OP_CURSOR = TDS_SP_CURSOR,
808  TDS_OP_CURSOROPEN = TDS_SP_CURSOROPEN,
809  TDS_OP_CURSORPREPARE = TDS_SP_CURSORPREPARE,
810  TDS_OP_CURSOREXECUTE = TDS_SP_CURSOREXECUTE,
811  TDS_OP_CURSORPREPEXEC = TDS_SP_CURSORPREPEXEC,
812  TDS_OP_CURSORUNPREPARE = TDS_SP_CURSORUNPREPARE,
813  TDS_OP_CURSORFETCH = TDS_SP_CURSORFETCH,
814  TDS_OP_CURSOROPTION = TDS_SP_CURSOROPTION,
815  TDS_OP_CURSORCLOSE = TDS_SP_CURSORCLOSE,
816  TDS_OP_EXECUTESQL = TDS_SP_EXECUTESQL,
817  TDS_OP_PREPARE = TDS_SP_PREPARE,
818  TDS_OP_EXECUTE = TDS_SP_EXECUTE,
819  TDS_OP_PREPEXEC = TDS_SP_PREPEXEC,
820  TDS_OP_PREPEXECRPC = TDS_SP_PREPEXECRPC,
821  TDS_OP_UNPREPARE = TDS_SP_UNPREPARE,
822 
823  /* sybase operations */
824  TDS_OP_DYN_DEALLOC = 100,
825 } TDS_OPERATION;
826 
827 #define TDS_DBG_LOGIN __FILE__, ((__LINE__ << 4) | 11)
828 #define TDS_DBG_HEADER __FILE__, ((__LINE__ << 4) | 10)
829 #define TDS_DBG_FUNC __FILE__, ((__LINE__ << 4) | 7)
830 #define TDS_DBG_INFO2 __FILE__, ((__LINE__ << 4) | 6)
831 #define TDS_DBG_INFO1 __FILE__, ((__LINE__ << 4) | 5)
832 #define TDS_DBG_NETWORK __FILE__, ((__LINE__ << 4) | 4)
833 #define TDS_DBG_WARN __FILE__, ((__LINE__ << 4) | 3)
834 #define TDS_DBG_ERROR __FILE__, ((__LINE__ << 4) | 2)
835 #define TDS_DBG_SEVERE __FILE__, ((__LINE__ << 4) | 1)
836 
837 #define TDS_DBGFLAG_FUNC 0x80
838 #define TDS_DBGFLAG_INFO2 0x40
839 #define TDS_DBGFLAG_INFO1 0x20
840 #define TDS_DBGFLAG_NETWORK 0x10
841 #define TDS_DBGFLAG_WARN 0x08
842 #define TDS_DBGFLAG_ERROR 0x04
843 #define TDS_DBGFLAG_SEVERE 0x02
844 #define TDS_DBGFLAG_ALL 0xfff
845 #define TDS_DBGFLAG_LOGIN 0x0800
846 #define TDS_DBGFLAG_HEADER 0x0400
847 #define TDS_DBGFLAG_PID 0x1000
848 #define TDS_DBGFLAG_TIME 0x2000
849 #define TDS_DBGFLAG_SOURCE 0x4000
850 #define TDS_DBGFLAG_THREAD 0x8000
851 
852 #if 0
853 
858 enum TDS_DBG_LOG_STATE
859 {
860  TDS_DBG_LOGIN = (1 << 0)
862  , TDS_DBG_API = (1 << 1)
863  , TDS_DBG_ASYNC = (1 << 2)
864  , TDS_DBG_DIAG = (1 << 3)
865  , TDS_DBG_error = (1 << 4)
866  /* TODO: ^^^^^ make upper case when old #defines (above) are removed */
867  /* Log FreeTDS runtime/logic error occurs. */
868  , TDS_DBG_PACKET = (1 << 5)
869  , TDS_DBG_LIBTDS = (1 << 6)
870  , TDS_DBG_CONFIG = (1 << 7)
871  , TDS_DBG_DEFAULT = 0xFE
872 };
873 #endif
874 
875 typedef struct tds_result_info TDSCOMPUTEINFO;
876 
878 
879 typedef struct tds_message
880 {
881  TDS_CHAR *server;
882  TDS_CHAR *message;
883  TDS_CHAR *proc_name;
884  TDS_CHAR *sql_state;
885  TDS_INT msgno;
886  TDS_INT line_number;
887  /* -1 .. 255 */
888  TDS_SMALLINT state;
889  TDS_TINYINT priv_msg_type;
890  TDS_TINYINT severity;
891  /* for library-generated errors */
892  int oserr;
893 } TDSMESSAGE;
894 
895 typedef struct tds_upd_col
896 {
897  struct tds_upd_col *next;
898  TDS_INT colnamelength;
899  char * columnname;
900 } TDSUPDCOL;
901 
902 typedef enum {
903  TDS_CURSOR_STATE_UNACTIONED = 0 /* initial value */
904  , TDS_CURSOR_STATE_REQUESTED = 1 /* called by ct_cursor */
905  , TDS_CURSOR_STATE_SENT = 2 /* sent to server */
906  , TDS_CURSOR_STATE_ACTIONED = 3 /* acknowledged by server */
907 } TDS_CURSOR_STATE;
908 
909 typedef struct tds_cursor_status
910 {
911  TDS_CURSOR_STATE declare;
912  TDS_CURSOR_STATE cursor_row;
913  TDS_CURSOR_STATE open;
914  TDS_CURSOR_STATE fetch;
915  TDS_CURSOR_STATE close;
916  TDS_CURSOR_STATE dealloc;
918 
919 typedef enum tds_cursor_operation
920 {
921  TDS_CURSOR_POSITION = 0,
922  TDS_CURSOR_UPDATE = 1,
923  TDS_CURSOR_DELETE = 2,
924  TDS_CURSOR_INSERT = 4
925 } TDS_CURSOR_OPERATION;
926 
927 typedef enum tds_cursor_fetch
928 {
929  TDS_CURSOR_FETCH_NEXT = 1,
930  TDS_CURSOR_FETCH_PREV,
931  TDS_CURSOR_FETCH_FIRST,
932  TDS_CURSOR_FETCH_LAST,
933  TDS_CURSOR_FETCH_ABSOLUTE,
934  TDS_CURSOR_FETCH_RELATIVE
935 } TDS_CURSOR_FETCH;
936 
940 typedef struct tds_cursor
941 {
942  struct tds_cursor *next;
943  TDS_INT ref_count;
944  char *cursor_name;
945  TDS_INT cursor_id;
946  TDS_TINYINT options;
951  char *query;
952  /* TODO for updatable columns */
953  /* TDS_TINYINT number_upd_cols; */
954  /* TDSUPDCOL *cur_col_list; */
955  TDS_INT cursor_rows;
956  /* TDSPARAMINFO *params; */
958  TDS_USMALLINT srv_status;
959  TDSRESULTINFO *res_info;
960  TDS_INT type, concurrency;
961 } TDSCURSOR;
962 
966 typedef struct tds_env
967 {
970  char *language;
972  char *charset;
974  char *database;
975 } TDSENV;
976 
980 typedef struct tds_dynamic
981 {
982  struct tds_dynamic *next;
983  TDS_INT ref_count;
985  TDS_INT num_id;
991  char id[30];
997  TDS_TINYINT emulated;
1002  /* int dyn_state; */ /* TODO use it */
1003  TDSPARAMINFO *res_info;
1011  TDSPARAMINFO *params;
1013  char *query;
1014 } TDSDYNAMIC;
1015 
1016 typedef enum {
1017  TDS_MULTIPLE_QUERY,
1018  TDS_MULTIPLE_EXECUTE,
1019  TDS_MULTIPLE_RPC
1020 } TDS_MULTIPLE_TYPE;
1021 
1022 typedef struct tds_multiple
1023 {
1024  TDS_MULTIPLE_TYPE type;
1025  unsigned int flags;
1026 } TDSMULTIPLE;
1027 
1028 /* forward declaration */
1029 typedef struct tds_context TDSCONTEXT;
1030 typedef int (*err_handler_t) (const TDSCONTEXT *, TDSSOCKET *, TDSMESSAGE *);
1031 
1033 {
1034  TDSLOCALE *locale;
1035  void *parent;
1036  /* handlers */
1037  int (*msg_handler) (const TDSCONTEXT *, TDSSOCKET *, TDSMESSAGE *);
1038  int (*err_handler) (const TDSCONTEXT *, TDSSOCKET *, TDSMESSAGE *);
1039  int (*int_handler) (void *);
1040  bool money_use_2_digits;
1041 };
1042 
1043 enum TDS_ICONV_ENTRY
1044 {
1045  client2ucs2
1046  , client2server_chardata
1047  , initial_char_conv_count /* keep last */
1048 };
1049 
1050 typedef struct tds_authentication
1051 {
1052  uint8_t *packet;
1053  int packet_len;
1054  /* TDS_MSG_TOKEN type, for TDS5 */
1055  uint16_t msg_type;
1056  TDSRET (*free)(TDSCONNECTION* conn, struct tds_authentication * auth);
1057  TDSRET (*handle_next)(TDSSOCKET * tds, struct tds_authentication * auth, size_t len);
1059 
1060 typedef struct tds_packet
1061 {
1062  struct tds_packet *next;
1063  uint16_t sid;
1064 
1065 #if ENABLE_ODBC_MARS
1066 
1069  uint8_t data_start;
1070 #endif
1071 
1075  unsigned data_len;
1076  unsigned capacity;
1077  unsigned char buf[1];
1078 } TDSPACKET;
1079 
1080 #if ENABLE_ODBC_MARS
1081 #define tds_packet_zero_data_start(pkt) do { (pkt)->data_start = 0; } while(0)
1082 #define tds_packet_get_data_start(pkt) ((pkt)->data_start)
1083 #else
1084 #define tds_packet_zero_data_start(pkt) do { } while(0)
1085 #define tds_packet_get_data_start(pkt) 0
1086 #endif
1087 
1088 typedef struct tds_poll_wakeup
1089 {
1090  TDS_SYS_SOCKET s_signal, s_signaled;
1091 } TDSPOLLWAKEUP;
1092 
1093 /* field related to connection */
1095 {
1096  TDS_USMALLINT tds_version;
1097  TDS_UINT product_version;
1098  char *product_name;
1099 
1100  TDS_SYS_SOCKET s;
1101  TDSPOLLWAKEUP wakeup;
1102  const TDSCONTEXT *tds_ctx;
1103 
1106 
1117 
1118  int char_conv_count;
1119  TDSICONV **char_convs;
1120 
1121  TDS_UCHAR collation[5];
1122  TDS_UCHAR tds72_transaction[8];
1123 
1124  TDS_CAPABILITIES capabilities;
1125  unsigned int use_iconv:1;
1126  unsigned int tds71rev1:1;
1127  unsigned int pending_close:1;
1128  unsigned int encrypt_single_packet:1;
1129 #if ENABLE_ODBC_MARS
1130  unsigned int mars:1;
1131 
1132  TDSSOCKET *in_net_tds;
1133  TDSPACKET *packets;
1134  TDSPACKET *recv_packet;
1135  TDSPACKET *send_packets;
1136  unsigned send_pos, recv_pos;
1137 
1138 #define BUSY_SOCKET ((TDSSOCKET*)(TDS_UINTPTR)1)
1139 #define TDSSOCKET_VALID(tds) (((TDS_UINTPTR)(tds)) > 1)
1140  struct tds_socket **sessions;
1141  unsigned num_sessions;
1142 #endif
1143  tds_mutex list_mtx;
1144 
1145  unsigned num_cached_packets;
1146  TDSPACKET *packet_cache;
1147 
1148  int spid;
1149  int client_spid;
1150 
1155  uint8_t ncharsize;
1156 
1162  uint8_t unicharsize;
1163 
1164  void *tls_session;
1165 #if defined(HAVE_GNUTLS)
1166  void *tls_credentials;
1167 #elif defined(HAVE_OPENSSL)
1168  void *tls_ctx;
1169 #else
1170  void *tls_dummy;
1171 #endif
1172  TDSAUTHENTICATION *authentication;
1173  char *server;
1174 };
1175 
1180 {
1181 #if ENABLE_ODBC_MARS
1182  TDSCONNECTION *conn;
1183 #else
1184  TDSCONNECTION conn[1];
1185 #endif
1186 
1187  void *parent;
1188 
1194  unsigned char *in_buf;
1195 
1202  unsigned char *out_buf;
1203 
1208  unsigned int out_buf_max;
1209  unsigned in_pos;
1210  unsigned out_pos;
1211  unsigned in_len;
1212  unsigned char in_flag;
1213  unsigned char out_flag;
1215  unsigned frozen;
1221 
1222 #if ENABLE_ODBC_MARS
1223 
1227  uint16_t sid;
1228 
1233  tds_condition packet_cond;
1234 
1239  TDSPACKET *sending_packet;
1240  TDS_UINT recv_seq;
1241  TDS_UINT send_seq;
1242  TDS_UINT recv_wnd;
1243  TDS_UINT send_wnd;
1244 #endif
1245  /* packet we received */
1246  TDSPACKET *recv_packet;
1249 
1256  TDSRESULTINFO *res_info;
1257  TDS_UINT num_comp_info;
1258  TDSCOMPUTEINFO **comp_info;
1259  TDSPARAMINFO *param_info;
1261  bool bulk_query;
1262  bool has_status;
1263  bool in_row;
1264  volatile
1265  unsigned char in_cancel;
1267  TDS_INT ret_status;
1268  TDS_STATE state;
1269 
1270  TDS_INT query_timeout;
1271  TDS_INT8 rows_affected;
1277  void (*env_chg_func) (TDSSOCKET * tds, int type, char *oldval, char *newval);
1278  TDS_OPERATION current_op;
1279 
1280  int option_value;
1281  tds_mutex wire_mtx;
1282 };
1283 
1284 #define tds_get_ctx(tds) ((tds)->conn->tds_ctx)
1285 #define tds_set_ctx(tds, val) do { ((tds)->conn->tds_ctx) = (val); } while(0)
1286 #define tds_get_parent(tds) ((tds)->parent)
1287 #define tds_set_parent(tds, val) do { ((tds)->parent) = (val); } while(0)
1288 #define tds_get_s(tds) ((tds)->conn->s)
1289 #define tds_set_s(tds, val) do { ((tds)->conn->s) = (val); } while(0)
1290 
1291 typedef struct tds_tvp_row
1292 {
1293  TDSPARAMINFO *params;
1294  struct tds_tvp_row *next;
1295 } TDS_TVP_ROW;
1296 
1297 typedef struct tds_tvp
1298 {
1299  char *schema;
1300  char *name;
1301  TDSPARAMINFO *metadata;
1302  TDS_TVP_ROW *row;
1303 } TDS_TVP;
1304 
1305 
1306 /* config.c */
1308 typedef void (*TDSCONFPARSE) (const char *option, const char *value, void *param);
1309 bool tds_read_conf_section(FILE * in, const char *section, TDSCONFPARSE tds_conf_parse, void *parse_param);
1310 bool tds_read_conf_file(TDSLOGIN * login, const char *server);
1311 void tds_parse_conf_section(const char *option, const char *value, void *param);
1312 TDSLOGIN *tds_read_config_info(TDSSOCKET * tds, TDSLOGIN * login, TDSLOCALE * locale);
1313 void tds_fix_login(TDSLOGIN* login);
1314 TDS_USMALLINT * tds_config_verstr(const char *tdsver, TDSLOGIN* login);
1315 struct addrinfo *tds_lookup_host(const char *servername);
1316 TDSRET tds_lookup_host_set(const char *servername, struct addrinfo **addr);
1317 const char *tds_addrinfo2str(struct addrinfo *addr, char *name, int namemax);
1318 char *tds_get_home_file(const char *file);
1319 
1320 TDSRET tds_set_interfaces_file_loc(const char *interfloc);
1321 extern const char STD_DATETIME_FMT[];
1322 int tds_parse_boolean(const char *value, int default_value);
1323 int tds_config_boolean(const char *option, const char *value, TDSLOGIN * login);
1324 
1325 TDSLOCALE *tds_get_locale(void);
1326 TDSRET tds_alloc_row(TDSRESULTINFO * res_info);
1327 TDSRET tds_alloc_compute_row(TDSCOMPUTEINFO * res_info);
1328 BCPCOLDATA * tds_alloc_bcp_column_data(unsigned int column_size);
1329 TDSDYNAMIC *tds_lookup_dynamic(TDSCONNECTION * conn, const char *id);
1330 /*@observer@*/ const char *tds_prtype(int token);
1331 int tds_get_varint_size(TDSCONNECTION * conn, int datatype);
1332 TDS_SERVER_TYPE tds_get_cardinal_type(TDS_SERVER_TYPE datatype, int usertype);
1333 
1334 
1335 /* iconv.c */
1336 TDSRET tds_iconv_open(TDSCONNECTION * conn, const char *charset, int use_utf16);
1337 void tds_iconv_close(TDSCONNECTION * conn);
1338 void tds_srv_charset_changed(TDSCONNECTION * conn, const char *charset);
1339 void tds7_srv_charset_changed(TDSCONNECTION * conn, TDS_UCHAR collate[5]);
1340 int tds_iconv_alloc(TDSCONNECTION * conn);
1341 void tds_iconv_free(TDSCONNECTION * conn);
1342 TDSICONV *tds_iconv_from_collate(TDSCONNECTION * conn, TDS_UCHAR collate[5]);
1343 
1344 
1345 /* mem.c */
1346 void tds_free_socket(TDSSOCKET * tds);
1347 void tds_free_all_results(TDSSOCKET * tds);
1348 void tds_free_results(TDSRESULTINFO * res_info);
1349 void tds_free_param_results(TDSPARAMINFO * param_info);
1350 void tds_free_param_result(TDSPARAMINFO * param_info);
1351 void tds_free_msg(TDSMESSAGE * message);
1352 void tds_cursor_deallocated(TDSCONNECTION *conn, TDSCURSOR *cursor);
1353 void tds_release_cursor(TDSCURSOR **pcursor);
1354 void tds_free_bcp_column_data(BCPCOLDATA * coldata);
1355 TDSRESULTINFO *tds_alloc_results(TDS_USMALLINT num_cols);
1356 TDSCOMPUTEINFO **tds_alloc_compute_results(TDSSOCKET * tds, TDS_USMALLINT num_cols, TDS_USMALLINT by_cols);
1357 TDSCONTEXT *tds_alloc_context(void * parent);
1358 void tds_free_context(TDSCONTEXT * locale);
1359 TDSPARAMINFO *tds_alloc_param_result(TDSPARAMINFO * old_param);
1360 void tds_free_input_params(TDSDYNAMIC * dyn);
1361 void tds_release_dynamic(TDSDYNAMIC ** dyn);
1362 static inline
1363 void tds_release_cur_dyn(TDSSOCKET * tds)
1364 {
1366 }
1367 void tds_dynamic_deallocated(TDSCONNECTION *conn, TDSDYNAMIC *dyn);
1368 void tds_set_cur_dyn(TDSSOCKET *tds, TDSDYNAMIC *dyn);
1369 TDSSOCKET *tds_realloc_socket(TDSSOCKET * tds, size_t bufsize);
1370 char *tds_alloc_client_sqlstate(int msgno);
1371 char *tds_alloc_lookup_sqlstate(TDSSOCKET * tds, int msgno);
1372 TDSLOGIN *tds_alloc_login(int use_environment);
1373 TDSDYNAMIC *tds_alloc_dynamic(TDSCONNECTION * conn, const char *id);
1374 void tds_free_login(TDSLOGIN * login);
1375 TDSLOGIN *tds_init_login(TDSLOGIN * login, TDSLOCALE * locale);
1376 TDSLOCALE *tds_alloc_locale(void);
1377 void *tds_alloc_param_data(TDSCOLUMN * curparam);
1378 void tds_free_locale(TDSLOCALE * locale);
1379 TDSCURSOR * tds_alloc_cursor(TDSSOCKET * tds, const char *name, TDS_INT namelen, const char *query, TDS_INT querylen);
1380 void tds_free_row(TDSRESULTINFO * res_info, unsigned char *row);
1381 TDSSOCKET *tds_alloc_socket(TDSCONTEXT * context, unsigned int bufsize);
1382 TDSSOCKET *tds_alloc_additional_socket(TDSCONNECTION *conn);
1383 void tds_set_current_results(TDSSOCKET *tds, TDSRESULTINFO *info);
1384 void tds_detach_results(TDSRESULTINFO *info);
1385 void * tds_realloc(void **pp, size_t new_size);
1386 #define TDS_RESIZE(p, n_elem) \
1387  tds_realloc((void **) &(p), sizeof(*(p)) * (size_t) (n_elem))
1388 #define tds_new(type, n) ((type *) malloc(sizeof(type) * (n)))
1389 #define tds_new0(type, n) ((type *) calloc(n, sizeof(type)))
1390 
1391 TDSPACKET *tds_alloc_packet(void *buf, unsigned len);
1392 TDSPACKET *tds_realloc_packet(TDSPACKET *packet, unsigned len);
1393 void tds_free_packets(TDSPACKET *packet);
1394 TDSBCPINFO *tds_alloc_bcpinfo(void);
1395 void tds_free_bcpinfo(TDSBCPINFO *bcpinfo);
1396 void tds_deinit_bcpinfo(TDSBCPINFO *bcpinfo);
1397 void tds_deinit_tvp(TDS_TVP *table);
1398 
1399 
1400 /* login.c */
1401 void tds_set_packet(TDSLOGIN * tds_login, int packet_size);
1402 void tds_set_port(TDSLOGIN * tds_login, int port);
1403 bool tds_set_passwd(TDSLOGIN * tds_login, const char *password) TDS_WUR;
1404 void tds_set_bulk(TDSLOGIN * tds_login, bool enabled);
1405 bool tds_set_user(TDSLOGIN * tds_login, const char *username) TDS_WUR;
1406 bool tds_set_app(TDSLOGIN * tds_login, const char *application) TDS_WUR;
1407 bool tds_set_host(TDSLOGIN * tds_login, const char *hostname) TDS_WUR;
1408 bool tds_set_library(TDSLOGIN * tds_login, const char *library) TDS_WUR;
1409 bool tds_set_server(TDSLOGIN * tds_login, const char *server) TDS_WUR;
1410 bool tds_set_client_charset(TDSLOGIN * tds_login, const char *charset) TDS_WUR;
1411 bool tds_set_language(TDSLOGIN * tds_login, const char *language) TDS_WUR;
1412 void tds_set_version(TDSLOGIN * tds_login, TDS_TINYINT major_ver, TDS_TINYINT minor_ver);
1413 int tds_connect_and_login(TDSSOCKET * tds, TDSLOGIN * login);
1414 
1415 
1416 /* query.c */
1417 void tds_start_query(TDSSOCKET *tds, unsigned char packet_type);
1418 
1419 TDSRET tds_submit_query(TDSSOCKET * tds, const char *query);
1420 TDSRET tds_submit_query_params(TDSSOCKET * tds, const char *query, TDSPARAMINFO * params, TDSHEADERS * head);
1421 TDSRET tds_submit_queryf(TDSSOCKET * tds, const char *queryf, ...);
1422 TDSRET tds_submit_prepare(TDSSOCKET * tds, const char *query, const char *id, TDSDYNAMIC ** dyn_out, TDSPARAMINFO * params);
1423 TDSRET tds_submit_execdirect(TDSSOCKET * tds, const char *query, TDSPARAMINFO * params, TDSHEADERS * head);
1424 TDSRET tds71_submit_prepexec(TDSSOCKET * tds, const char *query, const char *id, TDSDYNAMIC ** dyn_out, TDSPARAMINFO * params);
1425 TDSRET tds_submit_execute(TDSSOCKET * tds, TDSDYNAMIC * dyn);
1426 TDSRET tds_send_cancel(TDSSOCKET * tds);
1427 const char *tds_next_placeholder(const char *start);
1428 int tds_count_placeholders(const char *query);
1429 int tds_needs_unprepare(TDSCONNECTION * conn, TDSDYNAMIC * dyn);
1430 TDSRET tds_deferred_unprepare(TDSCONNECTION * conn, TDSDYNAMIC * dyn);
1431 TDSRET tds_submit_unprepare(TDSSOCKET * tds, TDSDYNAMIC * dyn);
1432 TDSRET tds_submit_rpc(TDSSOCKET * tds, const char *rpc_name, TDSPARAMINFO * params, TDSHEADERS * head);
1433 TDSRET tds_submit_optioncmd(TDSSOCKET * tds, TDS_OPTION_CMD command, TDS_OPTION option, TDS_OPTION_ARG *param, TDS_INT param_size);
1434 TDSRET tds_submit_begin_tran(TDSSOCKET *tds);
1435 TDSRET tds_submit_rollback(TDSSOCKET *tds, bool cont);
1436 TDSRET tds_submit_commit(TDSSOCKET *tds, bool cont);
1437 TDSRET tds_disconnect(TDSSOCKET * tds);
1438 size_t tds_quote_id(TDSSOCKET * tds, char *buffer, const char *id, int idlen);
1439 size_t tds_quote_id_rpc(TDSSOCKET * tds, char *buffer, const char *id, int idlen);
1440 size_t tds_quote_string(TDSSOCKET * tds, char *buffer, const char *str, int len);
1441 const char *tds_skip_comment(const char *s);
1442 const char *tds_skip_quoted(const char *s);
1443 size_t tds_fix_column_size(TDSSOCKET * tds, TDSCOLUMN * curcol);
1444 const char *tds_convert_string(TDSSOCKET * tds, TDSICONV * char_conv, const char *s, int len, size_t *out_len);
1445 void tds_convert_string_free(const char *original, const char *converted);
1446 #if !ENABLE_EXTRA_CHECKS
1447 #define tds_convert_string_free(original, converted) \
1448  do { if (original != converted) free((char*) converted); } while(0)
1449 #endif
1450 TDSRET tds_get_column_declaration(TDSSOCKET * tds, TDSCOLUMN * curcol, char *out);
1451 
1452 TDSRET tds_cursor_declare(TDSSOCKET * tds, TDSCURSOR * cursor, TDSPARAMINFO *params, int *send);
1453 TDSRET tds_cursor_setrows(TDSSOCKET * tds, TDSCURSOR * cursor, int *send);
1454 TDSRET tds_cursor_open(TDSSOCKET * tds, TDSCURSOR * cursor, TDSPARAMINFO *params, int *send);
1455 TDSRET tds_cursor_fetch(TDSSOCKET * tds, TDSCURSOR * cursor, TDS_CURSOR_FETCH fetch_type, TDS_INT i_row);
1456 TDSRET tds_cursor_get_cursor_info(TDSSOCKET * tds, TDSCURSOR * cursor, TDS_UINT * row_number, TDS_UINT * row_count);
1457 TDSRET tds_cursor_close(TDSSOCKET * tds, TDSCURSOR * cursor);
1458 TDSRET tds_cursor_dealloc(TDSSOCKET * tds, TDSCURSOR * cursor);
1459 TDSRET tds_deferred_cursor_dealloc(TDSCONNECTION *conn, TDSCURSOR * cursor);
1460 TDSRET tds_cursor_update(TDSSOCKET * tds, TDSCURSOR * cursor, TDS_CURSOR_OPERATION op, TDS_INT i_row, TDSPARAMINFO * params);
1461 TDSRET tds_cursor_setname(TDSSOCKET * tds, TDSCURSOR * cursor);
1462 
1463 TDSRET tds_multiple_init(TDSSOCKET *tds, TDSMULTIPLE *multiple, TDS_MULTIPLE_TYPE type, TDSHEADERS * head);
1464 TDSRET tds_multiple_done(TDSSOCKET *tds, TDSMULTIPLE *multiple);
1465 TDSRET tds_multiple_query(TDSSOCKET *tds, TDSMULTIPLE *multiple, const char *query, TDSPARAMINFO * params);
1466 TDSRET tds_multiple_execute(TDSSOCKET *tds, TDSMULTIPLE *multiple, TDSDYNAMIC * dyn);
1467 
1468 
1469 /* token.c */
1470 TDSRET tds_process_cancel(TDSSOCKET * tds);
1471 TDSRET tds_process_login_tokens(TDSSOCKET * tds);
1472 TDSRET tds_process_simple_query(TDSSOCKET * tds);
1473 int tds5_send_optioncmd(TDSSOCKET * tds, TDS_OPTION_CMD tds_command, TDS_OPTION tds_option, TDS_OPTION_ARG * tds_argument,
1474  TDS_INT * tds_argsize);
1475 TDSRET tds_process_tokens(TDSSOCKET * tds, /*@out@*/ TDS_INT * result_type, /*@out@*/ int *done_flags, unsigned flag);
1476 
1477 
1478 /* data.c */
1479 void tds_set_param_type(TDSCONNECTION * conn, TDSCOLUMN * curcol, TDS_SERVER_TYPE type);
1480 void tds_set_column_type(TDSCONNECTION * conn, TDSCOLUMN * curcol, TDS_SERVER_TYPE type);
1481 #ifdef WORDS_BIGENDIAN
1482 void tds_swap_datatype(int coltype, void *b);
1483 #endif
1484 
1485 
1486 /* tds_convert.c */
1487 TDSRET tds_datecrack(TDS_INT datetype, const void *di, TDSDATEREC * dr);
1488 TDS_SERVER_TYPE tds_get_conversion_type(TDS_SERVER_TYPE srctype, int colsize);
1489 extern const char tds_hex_digits[];
1490 
1491 
1492 /* write.c */
1493 int tds_init_write_buf(TDSSOCKET * tds);
1494 int tds_put_n(TDSSOCKET * tds, const void *buf, size_t n);
1495 int tds_put_string(TDSSOCKET * tds, const char *buf, int len);
1496 int tds_put_int(TDSSOCKET * tds, TDS_INT i);
1497 int tds_put_int8(TDSSOCKET * tds, TDS_INT8 i);
1498 int tds_put_smallint(TDSSOCKET * tds, TDS_SMALLINT si);
1500 #define tds_put_tinyint(tds, ti) tds_put_byte(tds,ti)
1501 int tds_put_byte(TDSSOCKET * tds, unsigned char c);
1502 TDSRET tds_flush_packet(TDSSOCKET * tds);
1503 int tds_put_buf(TDSSOCKET * tds, const unsigned char *buf, int dsize, int ssize);
1504 
1505 
1506 /* read.c */
1507 unsigned char tds_get_byte(TDSSOCKET * tds);
1508 void tds_unget_byte(TDSSOCKET * tds);
1509 unsigned char tds_peek(TDSSOCKET * tds);
1510 TDS_USMALLINT tds_get_usmallint(TDSSOCKET * tds);
1511 #define tds_get_smallint(tds) ((TDS_SMALLINT) tds_get_usmallint(tds))
1512 TDS_UINT tds_get_uint(TDSSOCKET * tds);
1513 #define tds_get_int(tds) ((TDS_INT) tds_get_uint(tds))
1514 TDS_UINT8 tds_get_uint8(TDSSOCKET * tds);
1515 #define tds_get_int8(tds) ((TDS_INT8) tds_get_uint8(tds))
1516 size_t tds_get_string(TDSSOCKET * tds, size_t string_len, char *dest, size_t dest_size);
1517 TDSRET tds_get_char_data(TDSSOCKET * tds, char *dest, size_t wire_size, TDSCOLUMN * curcol);
1518 bool tds_get_n(TDSSOCKET * tds, /*@out@*/ /*@null@*/ void *dest, size_t n);
1519 int tds_get_size_by_type(TDS_SERVER_TYPE servertype);
1520 DSTR* tds_dstr_get(TDSSOCKET * tds, DSTR * s, size_t len);
1521 
1522 
1523 /* util.c */
1524 int tdserror (const TDSCONTEXT * tds_ctx, TDSSOCKET * tds, int msgno, int errnum);
1525 TDS_STATE tds_set_state(TDSSOCKET * tds, TDS_STATE state);
1526 void tds_swap_bytes(void *buf, int bytes);
1527 unsigned int tds_gettime_ms(void);
1528 char *tds_strndup(const void *s, TDS_INTPTR len);
1529 
1530 
1531 /* log.c */
1532 typedef struct tdsdump_off_item {
1533  struct tdsdump_off_item *next;
1534  tds_thread_id thread_id;
1536 void tdsdump_off(TDSDUMP_OFF_ITEM *off_item);
1537 void tdsdump_on(TDSDUMP_OFF_ITEM *off_item);
1538 int tdsdump_isopen(void);
1539 #include <freetds/popvis.h>
1540 int tdsdump_open(const char *filename);
1541 #include <freetds/pushvis.h>
1542 void tdsdump_close(void);
1543 void tdsdump_dump_buf(const char* file, unsigned int level_line, const char *msg, const void *buf, size_t length);
1544 void tdsdump_col(const TDSCOLUMN *col);
1545 #undef tdsdump_log
1546 void tdsdump_log(const char* file, unsigned int level_line, const char *fmt, ...)
1547 #if defined(__GNUC__) && __GNUC__ >= 2
1548 #if defined(__MINGW32__)
1549  __attribute__ ((__format__ (ms_printf, 3, 4)))
1550 #else
1551  __attribute__ ((__format__ (__printf__, 3, 4)))
1552 #endif
1553 #endif
1554 ;
1555 #define TDSDUMP_LOG_FAST if (TDS_UNLIKELY(tds_write_dump)) tdsdump_log
1556 #define tdsdump_log TDSDUMP_LOG_FAST
1557 #define TDSDUMP_BUF_FAST if (TDS_UNLIKELY(tds_write_dump)) tdsdump_dump_buf
1558 #define tdsdump_dump_buf TDSDUMP_BUF_FAST
1559 
1560 extern int tds_write_dump;
1561 extern int tds_debug_flags;
1562 extern int tds_g_append_mode;
1563 
1564 
1565 /* net.c */
1566 TDSERRNO tds_open_socket(TDSSOCKET * tds, struct addrinfo *ipaddr, unsigned int port, int timeout, int *p_oserr);
1567 void tds_close_socket(TDSSOCKET * tds);
1568 int tds7_get_instance_ports(FILE *output, struct addrinfo *addr);
1569 int tds7_get_instance_port(struct addrinfo *addr, const char *instance);
1570 char *tds_prwsaerror(int erc);
1571 void tds_prwsaerror_free(char *s);
1572 int tds_connection_read(TDSSOCKET * tds, unsigned char *buf, int buflen);
1573 int tds_connection_write(TDSSOCKET *tds, const unsigned char *buf, int buflen, int final);
1574 #define TDSSELREAD POLLIN
1575 #define TDSSELWRITE POLLOUT
1576 int tds_select(TDSSOCKET * tds, unsigned tds_sel, int timeout_seconds);
1577 void tds_connection_close(TDSCONNECTION *conn);
1578 int tds_goodread(TDSSOCKET * tds, unsigned char *buf, int buflen);
1579 int tds_goodwrite(TDSSOCKET * tds, const unsigned char *buffer, size_t buflen);
1580 void tds_socket_flush(TDS_SYS_SOCKET sock);
1581 int tds_socket_set_nonblocking(TDS_SYS_SOCKET sock);
1582 int tds_wakeup_init(TDSPOLLWAKEUP *wakeup);
1583 void tds_wakeup_close(TDSPOLLWAKEUP *wakeup);
1584 void tds_wakeup_send(TDSPOLLWAKEUP *wakeup, char cancel);
1585 static inline TDS_SYS_SOCKET tds_wakeup_get_fd(const TDSPOLLWAKEUP *wakeup)
1586 {
1587  return wakeup->s_signaled;
1588 }
1589 
1590 
1591 /* packet.c */
1592 int tds_read_packet(TDSSOCKET * tds);
1593 TDSRET tds_write_packet(TDSSOCKET * tds, unsigned char final);
1594 #if ENABLE_ODBC_MARS
1595 int tds_append_cancel(TDSSOCKET *tds);
1596 TDSRET tds_append_syn(TDSSOCKET *tds);
1597 TDSRET tds_append_fin(TDSSOCKET *tds);
1598 #else
1599 int tds_put_cancel(TDSSOCKET * tds);
1600 #endif
1601 
1602 typedef struct tds_freeze {
1604  TDSSOCKET *tds;
1608  unsigned pkt_pos;
1610  unsigned size_len;
1611 } TDSFREEZE;
1612 
1613 void tds_freeze(TDSSOCKET *tds, TDSFREEZE *freeze, unsigned size_len);
1614 size_t tds_freeze_written(TDSFREEZE *freeze);
1615 TDSRET tds_freeze_abort(TDSFREEZE *freeze);
1616 TDSRET tds_freeze_close(TDSFREEZE *freeze);
1617 TDSRET tds_freeze_close_len(TDSFREEZE *freeze, int32_t size);
1618 
1619 static void inline
1620 tds_set_current_send_packet(TDSSOCKET *tds, TDSPACKET *pkt)
1621 {
1622  tds->send_packet = pkt;
1623  tds->out_buf = pkt->buf + tds_packet_get_data_start(pkt);
1624 }
1625 
1626 /* Macros to allow some indentation of the packets.
1627  *
1628  * The 3 nested fake loops require some explanation:
1629  * - first is to allows to declare variables;
1630  * - second is to force using brackets;
1631  * - third is to avoids that a break inside will skip the close.
1632  */
1633 #define TDS_START_LEN_GENERIC(tds_socket, len) do { \
1634  TDSFREEZE current_freeze[1]; \
1635  tds_freeze((tds_socket), current_freeze, (len)); do { do
1636 #define TDS_END_LEN while(0); } while(tds_freeze_close(current_freeze), 0); } while(0);
1637 
1638 #define TDS_START_LEN_TINYINT(tds_socket) TDS_START_LEN_GENERIC(tds_socket, 1)
1639 #define TDS_START_LEN_USMALLINT(tds_socket) TDS_START_LEN_GENERIC(tds_socket, 2)
1640 #define TDS_START_LEN_UINT(tds_socket) TDS_START_LEN_GENERIC(tds_socket, 4)
1641 
1642 /* vstrbuild.c */
1643 TDSRET tds_vstrbuild(char *buffer, int buflen, int *resultlen, const char *text, int textlen, const char *formats, int formatlen,
1644  va_list ap);
1645 
1646 
1647 /* numeric.c */
1648 char *tds_money_to_string(const TDS_MONEY * money, char *s, bool use_2_digits);
1649 TDS_INT tds_numeric_to_string(const TDS_NUMERIC * numeric, char *s);
1650 TDS_INT tds_numeric_change_prec_scale(TDS_NUMERIC * numeric, unsigned char new_prec, unsigned char new_scale);
1651 
1652 
1653 /* getmac.c */
1654 void tds_getmac(TDS_SYS_SOCKET s, unsigned char mac[6]);
1655 
1656 
1657 /* challenge.c */
1658 #ifndef HAVE_SSPI
1659 TDSAUTHENTICATION * tds_ntlm_get_auth(TDSSOCKET * tds);
1660 TDSAUTHENTICATION * tds_gss_get_auth(TDSSOCKET * tds);
1661 #else
1662 TDSAUTHENTICATION * tds_sspi_get_auth(TDSSOCKET * tds);
1663 #endif
1664 TDSRET tds5_gss_send(TDSSOCKET *tds);
1665 
1666 
1667 /* random.c */
1668 void tds_random_buffer(unsigned char *out, int len);
1669 
1670 
1671 /* sec_negotiate.c */
1672 TDSAUTHENTICATION * tds5_negotiate_get_auth(TDSSOCKET * tds);
1673 static inline
1674 void tds5_negotiate_set_msg_type(TDSAUTHENTICATION * tds_auth, unsigned msg_type)
1675 {
1676  if (tds_auth)
1677  tds_auth->msg_type = msg_type;
1678 }
1679 
1680 
1681 /* bulk.c */
1682 
1685 {
1686  TDS_BCP_IN = 1,
1687  TDS_BCP_OUT = 2,
1688  TDS_BCP_QUERYOUT = 3
1689 };
1690 
1691 typedef struct tds5_colinfo
1692 {
1693  TDS_TINYINT type;
1694  TDS_TINYINT status;
1695  TDS_SMALLINT offset;
1696  TDS_INT length;
1697 } TDS5COLINFO;
1698 
1700 {
1701  void *parent;
1702  DSTR hint;
1703  DSTR tablename;
1704  TDS_CHAR *insert_stmt;
1705  TDS_INT direction;
1706  TDS_INT identity_insert_on;
1707  TDS_INT xfer_init;
1708  TDS_INT bind_count;
1709  TDSRESULTINFO *bindinfo;
1710  TDS5COLINFO *sybase_colinfo;
1711  TDS_INT sybase_count;
1712 };
1713 
1714 TDSRET tds_bcp_init(TDSSOCKET *tds, TDSBCPINFO *bcpinfo);
1715 typedef TDSRET (*tds_bcp_get_col_data) (TDSBCPINFO *bulk, TDSCOLUMN *bcpcol, int offset);
1716 typedef void (*tds_bcp_null_error) (TDSBCPINFO *bulk, int index, int offset);
1717 TDSRET tds_bcp_send_record(TDSSOCKET *tds, TDSBCPINFO *bcpinfo, tds_bcp_get_col_data get_col_data, tds_bcp_null_error null_error, int offset);
1718 TDSRET tds_bcp_done(TDSSOCKET *tds, int *rows_copied);
1719 TDSRET tds_bcp_start(TDSSOCKET *tds, TDSBCPINFO *bcpinfo);
1720 TDSRET tds_bcp_start_copy_in(TDSSOCKET *tds, TDSBCPINFO *bcpinfo);
1721 
1722 TDSRET tds_bcp_fread(TDSSOCKET * tds, TDSICONV * conv, FILE * stream,
1723  const char *terminator, size_t term_len, char **outbuf, size_t * outbytes);
1724 
1725 TDSRET tds_writetext_start(TDSSOCKET *tds, const char *objname, const char *textptr, const char *timestamp, int with_log, TDS_UINT size);
1726 TDSRET tds_writetext_continue(TDSSOCKET *tds, const TDS_UCHAR *text, TDS_UINT size);
1727 TDSRET tds_writetext_end(TDSSOCKET *tds);
1728 
1729 
1730 static inline
1731 bool tds_capability_enabled(const TDS_CAPABILITY_TYPE *cap, unsigned cap_num)
1732 {
1733  return (cap->values[sizeof(cap->values)-1-(cap_num>>3)] >> (cap_num&7)) & 1;
1734 }
1735 #define tds_capability_has_req(conn, cap) \
1736  tds_capability_enabled(&conn->capabilities.types[0], cap)
1737 #define tds_capability_has_res(conn, cap) \
1738  tds_capability_enabled(&conn->capabilities.types[1], cap)
1739 
1740 #define IS_TDS42(x) (x->tds_version==0x402)
1741 #define IS_TDS46(x) (x->tds_version==0x406)
1742 #define IS_TDS50(x) (x->tds_version==0x500)
1743 #define IS_TDS70(x) (x->tds_version==0x700)
1744 #define IS_TDS71(x) (x->tds_version==0x701)
1745 #define IS_TDS72(x) (x->tds_version==0x702)
1746 #define IS_TDS73(x) (x->tds_version==0x703)
1747 
1748 #define IS_TDS50_PLUS(x) ((x)->tds_version>=0x500)
1749 #define IS_TDS7_PLUS(x) ((x)->tds_version>=0x700)
1750 #define IS_TDS71_PLUS(x) ((x)->tds_version>=0x701)
1751 #define IS_TDS72_PLUS(x) ((x)->tds_version>=0x702)
1752 #define IS_TDS73_PLUS(x) ((x)->tds_version>=0x703)
1753 #define IS_TDS74_PLUS(x) ((x)->tds_version>=0x704)
1754 
1755 #define TDS_MAJOR(x) ((x)->tds_version >> 8)
1756 #define TDS_MINOR(x) ((x)->tds_version & 0xff)
1757 
1758 #define IS_TDSDEAD(x) (((x) == NULL) || (x)->state == TDS_DEAD)
1759 
1761 #define TDS_IS_SYBASE(x) (!((x)->conn->product_version & 0x80000000u))
1762 
1763 #define TDS_IS_MSSQL(x) (((x)->conn->product_version & 0x80000000u)!=0)
1764 
1768 #define TDS_MS_VER(maj,min,x) (0x80000000u|((maj)<<24)|((min)<<16)|(x))
1769 
1770 /* TODO test if not similar to ms one*/
1772 #define TDS_SYB_VER(maj,min,x) (((maj)<<24)|((min)<<16)|(x)<<8)
1773 
1774 #ifdef __cplusplus
1775 #if 0
1776 {
1777 #endif
1778 }
1779 #endif
1780 
1781 #include <freetds/popvis.h>
1782 
1783 #define TDS_PUT_INT(tds,v) tds_put_int((tds), ((TDS_INT)(v)))
1784 #define TDS_PUT_SMALLINT(tds,v) tds_put_smallint((tds), ((TDS_SMALLINT)(v)))
1785 #define TDS_PUT_BYTE(tds,v) tds_put_byte((tds), ((unsigned char)(v)))
1786 
1787 #endif /* _tds_h_ */
void * tds_realloc(void **pp, size_t new_size)
Reallocate a pointer and update it if success.
Definition: mem.c:1893
TDS_TINYINT options
read only|updatable TODO use it
Definition: tds.h:946
Definition: tds.h:1691
TDSRET tds_flush_packet(TDSSOCKET *tds)
Flush packet to server.
Definition: write.c:224
char * query
saved query, we need to know original query if prepare is impossible
Definition: tds.h:1013
void tdsdump_dump_buf(const char *file, unsigned int level_line, const char *msg, const void *buf, size_t length)
Dump the contents of data into the log file in a human readable format.
Definition: log.c:293
TDSRET tds_process_login_tokens(TDSSOCKET *tds)
tds_process_login_tokens() is called after sending the login packet to the server.
Definition: token.c:411
DSTR user_name
account for login
Definition: tds.h:535
void tds_fix_login(TDSLOGIN *login)
Fix configuration after reading it.
Definition: config.c:285
DSTR server_spn
server SPN (in freetds.conf)
Definition: tds.h:529
struct tds_dynamic TDSDYNAMIC
Holds information for a dynamic (also called prepared) query.
uint8_t unicharsize
Ratio between bytes allocated for a UNICHAR type and type length (Sybase).
Definition: tds.h:1162
TDSCURSOR * cursors
linked list of cursors allocated for this connection contains only cursors allocated on the server ...
Definition: tds.h:1111
Definition: tds.h:1297
char * database
database name
Definition: tds.h:974
Definition: thread.h:279
TDS_TINYINT column_prec
precision for decimal/numeric
Definition: tds.h:707
int tds_get_size_by_type(TDS_SERVER_TYPE servertype)
Return the number of bytes needed by specified type.
Definition: tds_types.h:9
bool defer_close
true if cursor was marker to be closed when connection is idle
Definition: tds.h:950
unsigned size_len
length size (0, 1, 2 or 4)
Definition: tds.h:1610
TDSLOCALE * tds_get_locale(void)
Get locale information.
Definition: locale.c:50
int tds_write_dump
Tell if TDS debug logging is turned on or off.
Definition: log.c:58
int tdsdump_open(const char *filename)
Create and truncate a human readable dump file for the TDS traffic.
Definition: log.c:131
TDS_TINYINT emulated
this dynamic query cannot be prepared so libTDS have to construct a simple query. ...
Definition: tds.h:997
int tds_iconv_alloc(TDSCONNECTION *conn)
Allocate iconv stuff.
Definition: iconv.c:311
struct tds_result_info TDSRESULTINFO
Hold information for any results.
uint8_t ncharsize
Ratio between bytes allocated for a NCHAR type and type length (Sybase).
Definition: tds.h:1155
Holds informations about a cursor.
Definition: tds.h:940
TDSRET tds_bcp_send_record(TDSSOCKET *tds, TDSBCPINFO *bcpinfo, tds_bcp_get_col_data get_col_data, tds_bcp_null_error null_error, int offset)
Send one row of data to server.
Definition: bulk.c:469
Definition: iconv.h:91
int tds_goodread(TDSSOCKET *tds, unsigned char *buf, int buflen)
Loops until we have received some characters return -1 on failure.
Definition: net.c:914
bool bulk_query
true is query sent was a bulk query so we need to switch state to QUERYING
Definition: tds.h:1261
void tds_set_column_type(TDSCONNECTION *conn, TDSCOLUMN *curcol, TDS_SERVER_TYPE type)
Set type of column initializing all dependency.
Definition: data.c:224
Definition: tds.h:1050
Definition: tds.h:1532
TDSRET tds_submit_execute(TDSSOCKET *tds, TDSDYNAMIC *dyn)
Sends a previously prepared dynamic statement to the server.
Definition: query.c:1680
TDS_INT type
row fetched from this cursor
Definition: tds.h:960
bool tds_get_n(TDSSOCKET *tds, void *dest, size_t n)
Get N bytes from the buffer and return them in the already allocated space given to us...
Definition: read.c:230
TDSRET tds_bcp_start_copy_in(TDSSOCKET *tds, TDSBCPINFO *bcpinfo)
Start bulk copy to server.
Definition: bulk.c:1081
Definition: tds.h:575
TDS_INT date
date, 0 = 1900-01-01
Definition: tds.h:147
TDSRET tds_submit_begin_tran(TDSSOCKET *tds)
Send a rollback request.
Definition: query.c:3712
TDS_INT day
day of month (1-31)
Definition: tds.h:162
error occurred
Definition: tds.h:252
struct tds_env TDSENV
Current environment as reported by the server.
struct addrinfo * tds_lookup_host(const char *servername)
Get the IP address for a hostname.
Definition: config.c:993
void tds_start_query(TDSSOCKET *tds, unsigned char packet_type)
Start query packet of a given type.
Definition: query.c:332
DSTR crlfile
certificate revocation file
Definition: tds.h:532
void tdsdump_close(void)
Close the TDS dump log file.
Definition: log.c:212
struct tds_cursor TDSCURSOR
Holds informations about a cursor.
Definition: tds.h:879
int port
port of database service
Definition: tds.h:520
Definition: tds.h:504
TDSRET tds_writetext_start(TDSSOCKET *tds, const char *objname, const char *textptr, const char *timestamp, int with_log, TDS_UINT size)
Start writing writetext request.
Definition: bulk.c:1312
TDS_INT tds_numeric_to_string(const TDS_NUMERIC *numeric, char *s)
Definition: numeric.c:95
TDSICONV * char_conv
refers to previously allocated iconv information
Definition: tds.h:716
void tds_free_input_params(TDSDYNAMIC *dyn)
Frees all allocated input parameters of a dynamic statement.
Definition: mem.c:206
int tdserror(const TDSCONTEXT *tds_ctx, TDSSOCKET *tds, int msgno, int errnum)
Call the client library's error handler (for library-generated errors only)
Definition: util.c:321
const char * tds_convert_string(TDSSOCKET *tds, TDSICONV *char_conv, const char *s, int len, size_t *out_len)
Convert a string in an allocated buffer.
Definition: query.c:126
char * tds_get_home_file(const char *file)
Return filename from HOME directory.
Definition: config.c:325
TDSDYNAMIC * cur_dyn
dynamic structure in use
Definition: tds.h:1273
const char * tds_next_placeholder(const char *start)
Get position of next placeholder.
Definition: query.c:535
cilent is waiting for data
Definition: tds.h:797
Definition: tds.h:517
TDSLOGIN * login
config for login stuff.
Definition: tds.h:1275
char * tds_strndup(const void *s, TDS_INTPTR len)
Copy a string of length len to a new allocated buffer This function does not read more than len bytes...
Definition: util.c:406
Holds information for a dynamic (also called prepared) query.
Definition: tds.h:980
TDSRET tds_freeze_abort(TDSFREEZE *freeze)
Discard all data written after the freeze.
Definition: packet.c:961
void tds_detach_results(TDSRESULTINFO *info)
Detach result info from it current socket.
Definition: mem.c:497
struct tds_dynamic * next
next in linked list, keep first
Definition: tds.h:982
TDS_INT hour
0-23
Definition: tds.h:165
client is reading data
Definition: tds.h:798
TDS_INT num_id
numeric id for mssql7+
Definition: tds.h:985
void tds_free_param_result(TDSPARAMINFO *param_info)
Delete latest parameter.
Definition: mem.c:320
TDSRET tds_process_cancel(TDSSOCKET *tds)
Definition: token.c:2554
void tdsdump_col(const TDSCOLUMN *col)
Write a column value to the debug log.
Definition: log.c:455
DSTR db_filename
database filename to attach (MSSQL)
Definition: tds.h:530
Store variant informations.
Definition: tds.h:607
acknowledging an attention command (usually a cancel)
Definition: tds.h:256
TDS_INT8 rows_affected
rows updated/deleted/inserted/selected, TDS_NO_COUNT if not valid
Definition: tds.h:1271
DSTR server_name
server name (in freetds.conf)
Definition: tds.h:519
Definition: tds.h:1022
TDSPACKET * send_packet
packet we are preparing to send
Definition: tds.h:1248
int tds7_get_instance_port(struct addrinfo *addr, const char *instance)
Get port of given instance.
Definition: net.c:1227
TDS_INT bcp_prefix_len
The length, in bytes, of any length prefix this column may have.
Definition: tds.h:765
count field in packet is valid
Definition: tds.h:255
TDSRET tds_writetext_end(TDSSOCKET *tds)
Finish sending writetext data.
Definition: bulk.c:1367
unsigned char canonic
internal numeric index into array of all encodings
Definition: tds.h:628
Hold information for any results.
Definition: tds.h:772
tds_func_put_data * put_data
Send column data to server.
Definition: tds.h:666
unsigned pkt_pos
position in pkt
Definition: tds.h:1608
Definition: tds.h:909
TDSRET tds_submit_query(TDSSOCKET *tds, const char *query)
Sends a language string to the database server for processing.
Definition: query.c:210
int tds_read_packet(TDSSOCKET *tds)
Read in one 'packet' from the server.
Definition: packet.c:527
TDS_INT ret_status
return status from store procedure
Definition: tds.h:1267
struct tds_variant TDSVARIANT
Store variant informations.
Definition: tds.h:1032
Definition: proto.h:25
TDS_INT weekday
day of week (0-6, 0 = sunday)
Definition: tds.h:164
bool has_status
true is ret_status is valid
Definition: tds.h:1262
TDS_INT column_size
maximun size of data.
Definition: tds.h:698
volatile unsigned char in_cancel
indicate we are waiting a cancel reply; discard tokens till acknowledge; 1 mean we have to send cance...
Definition: tds.h:1265
DSTR password
password of account login
Definition: tds.h:536
TDSRET tds_submit_queryf(TDSSOCKET *tds, const char *queryf,...)
Format and submit a query.
Definition: query.c:467
TDS_UINT tds_get_uint(TDSSOCKET *tds)
Get an int32 from the server.
Definition: read.c:127
TDSRET tds_datecrack(TDS_INT datetype, const void *di, TDSDATEREC *dr)
Convert from db date format to a structured date format.
Definition: convert.c:3264
struct tds_compiletime_settings TDS_COMPILETIME_SETTINGS
A structure to hold all the compile-time settings.
TDSRET tds_deferred_cursor_dealloc(TDSCONNECTION *conn, TDSCURSOR *cursor)
Deallocate cursor on idle.
Definition: query.c:3104
TDS_SMALLINT offset
time offset
Definition: tds.h:148
tds_bcp_directions
bcp direction
Definition: tds.h:1684
TDSRET tds_process_tokens(TDSSOCKET *tds, TDS_INT *result_type, int *done_flags, unsigned flag)
process all streams.
Definition: token.c:531
A structure to hold all the compile-time settings.
Definition: tds.h:82
TDSRET tds_submit_prepare(TDSSOCKET *tds, const char *query, const char *id, TDSDYNAMIC **dyn_out, TDSPARAMINFO *params)
Creates a temporary stored procedure in the server.
Definition: query.c:1174
TDS_INT quarter
quarter (0-3)
Definition: tds.h:160
struct tdsdaterec TDSDATEREC
Used by tds_datecrack.
unsigned int out_buf_max
Maximum size of packet pointed by out_buf.
Definition: tds.h:1208
Definition: tds.h:583
void tds_release_dynamic(TDSDYNAMIC **dyn)
Frees dynamic statement.
Definition: mem.c:253
int tds_count_placeholders(const char *query)
Count the number of placeholders ('?') in a query.
Definition: query.c:571
final result set, command completed successfully.
Definition: tds.h:250
const char * tds_skip_quoted(const char *s)
Skip quoting string (like 'sfsf', "dflkdj" or [dfkjd])
Definition: query.c:515
size_t tds_get_string(TDSSOCKET *tds, size_t string_len, char *dest, size_t dest_size)
Fetch a string from the wire.
Definition: read.c:166
TDSRET tds71_submit_prepexec(TDSSOCKET *tds, const char *query, const char *id, TDSDYNAMIC **dyn_out, TDSPARAMINFO *params)
Creates a temporary stored procedure in the server and execute it.
Definition: query.c:1451
TDSRET tds_bcp_fread(TDSSOCKET *tds, TDSICONV *conv, FILE *stream, const char *terminator, size_t term_len, char **outbuf, size_t *outbytes)
Read a data file, passing the data through iconv().
Definition: bulk.c:1242
tds_func_put_info * put_info
Send metadata column information to server.
Definition: tds.h:656
const TDS_COMPILETIME_SETTINGS * tds_get_compiletime_settings(void)
Return a structure capturing the compile-time settings provided to the configure script.
Definition: config.c:1351
tds_end
Flags returned in TDS_DONE token.
Definition: tds.h:248
TDSICONV * tds_iconv_from_collate(TDSCONNECTION *conn, TDS_UCHAR collate[5])
Get iconv information from a LCID (to support different column encoding under MSSQL2K) ...
Definition: iconv.c:1246
TDSAUTHENTICATION * tds_ntlm_get_auth(TDSSOCKET *tds)
Build a NTLMSPP packet to send to server.
Definition: challenge.c:721
void tdsdump_off(TDSDUMP_OFF_ITEM *off_item)
Temporarily turn off logging for current thread.
Definition: log.c:81
Definition: tds.h:895
TDSRET tds_submit_query_params(TDSSOCKET *tds, const char *query, TDSPARAMINFO *params, TDSHEADERS *head)
Sends a language string to the database server for processing.
Definition: query.c:350
TDS_CURSOR_STATUS status
cursor parameter
Definition: tds.h:957
TDSRET tds_freeze_close(TDSFREEZE *freeze)
Stop keeping data for this specific freeze.
Definition: packet.c:996
TDS_STATE tds_set_state(TDSSOCKET *tds, TDS_STATE state)
Set state of TDS connection, with logging and checking.
Definition: util.c:58
TDS_UINT8 tds_get_uint8(TDSSOCKET *tds)
Get an uint64 from the server.
Definition: read.c:140
TDSPACKET * frozen_packets
list of packets frozen, points to first one.
Definition: tds.h:1220
int tds7_get_instance_ports(FILE *output, struct addrinfo *addr)
Get port of all instances.
Definition: net.c:1091
int block_size
packet size (512-65535)
Definition: tds.h:969
TDSPARAMINFO * params
query parameters.
Definition: tds.h:1011
char * cursor_name
name of the cursor
Definition: tds.h:944
TDSRET tds_submit_commit(TDSSOCKET *tds, bool cont)
Send a commit request.
Definition: query.c:3771
TDSDYNAMIC * dyns
list of dynamic allocated for this connection contains only dynamic allocated on the server ...
Definition: tds.h:1116
TDS_INT ref_count
reference counter so client can retain safely a pointer
Definition: tds.h:983
this structure is not directed connected to a TDS protocol but keeps any DATE/TIME information...
Definition: tds.h:144
unsigned int bulk_copy
if bulk copy should be enabled
Definition: tds.h:557
TDSRET tds_alloc_row(TDSRESULTINFO *res_info)
Allocate space for row store return NULL on out of memory.
Definition: mem.c:533
unsigned char in_flag
input buffer type
Definition: tds.h:1212
no connection
Definition: tds.h:799
TDSRET tds_submit_execdirect(TDSSOCKET *tds, const char *query, TDSPARAMINFO *params, TDSHEADERS *head)
Submit a prepared query with parameters.
Definition: query.c:1306
char * query
SQL query.
Definition: tds.h:951
TDSRET tds_get_column_declaration(TDSSOCKET *tds, TDSCOLUMN *curcol, char *out)
Return declaration for column (like "varchar(20)").
Definition: query.c:738
results are from a stored procedure
Definition: tds.h:254
TDSRET tds_get_char_data(TDSSOCKET *tds, char *dest, size_t wire_size, TDSCOLUMN *curcol)
Fetch character data the wire.
Definition: read.c:195
TDS_SERVER_TYPE tds_get_conversion_type(TDS_SERVER_TYPE srctype, int colsize)
Return type suitable for conversions (convert all nullable types to fixed type)
Definition: tds_types.h:125
TDS_USMALLINT tds_version
TDS version.
Definition: tds.h:521
Definition: tds.h:511
TDS_INT cursor_rows
< number of updatable columns
Definition: tds.h:955
TDSPACKET * pkt
first packet frozen
Definition: tds.h:1606
DSTR server_charset
charset of server e.g.
Definition: tds.h:524
Definition: tds.h:1699
TDSLOGIN * tds_read_config_info(TDSSOCKET *tds, TDSLOGIN *login, TDSLOCALE *locale)
tds_read_config_info() will fill the tds connection structure based on configuration information gath...
Definition: config.c:138
TDSRET tds_send_cancel(TDSSOCKET *tds)
tds_send_cancel() sends an empty packet (8 byte header only) tds_process_cancel should be called dire...
Definition: query.c:2076
size_t tds_quote_id_rpc(TDSSOCKET *tds, char *buffer, const char *id, int idlen)
Quote an id for a RPC call.
Definition: query.c:2263
TDSRET tds_submit_unprepare(TDSSOCKET *tds, TDSDYNAMIC *dyn)
Send a unprepare request for a prepared query.
Definition: query.c:1847
no data expected
Definition: tds.h:794
void tdsdump_on(TDSDUMP_OFF_ITEM *off_item)
Turn logging back on for current thread.
Definition: log.c:101
enum tds_states TDS_STATE
values for tds->state
TDS_INT second
0-59
Definition: tds.h:167
TDS_INT column_cur_size
size written in variable (ie: char, text, binary).
Definition: tds.h:740
unsigned char out_flag
output buffer type
Definition: tds.h:1213
Structure to hold a string.
Definition: string.h:36
TDSPARAMINFO * tds_alloc_param_result(TDSPARAMINFO *old_param)
Adds a output parameter to TDSPARAMINFO.
Definition: mem.c:284
TDS_SYS_SOCKET s
tcp socket, INVALID_SOCKET if not connected
Definition: tds.h:1100
TDSRET tds_bcp_done(TDSSOCKET *tds, int *rows_copied)
Tell we finished sending BCP data to server.
Definition: bulk.c:846
void tds_freeze(TDSSOCKET *tds, TDSFREEZE *freeze, unsigned size_len)
Stop writing to server and cache every packet not sending them to server.
Definition: packet.c:907
Definition: tds.h:646
void tds_unget_byte(TDSSOCKET *tds)
Unget will always work as long as you don't call it twice in a row.
Definition: read.c:89
more results follow
Definition: tds.h:251
TDSRET tds_cursor_dealloc(TDSSOCKET *tds, TDSCURSOR *cursor)
Send a deallocation request to server.
Definition: query.c:3053
TDS_INT timezone
-840 - 840 minutes from UTC
Definition: tds.h:169
TDS_USMALLINT * tds_config_verstr(const char *tdsver, TDSLOGIN *login)
Set TDS version from given string.
Definition: config.c:929
const char * tds_skip_comment(const char *s)
Skip a comment in a query.
Definition: query.c:490
TDSRET tds_process_simple_query(TDSSOCKET *tds)
Process results for simple query as "SET TEXTSIZE" or "USE dbname" If the statement returns results...
Definition: token.c:881
TDSCURSOR * cur_cursor
cursor in use
Definition: tds.h:1260
Information relevant to libiconv.
Definition: tds.h:621
void tds_close_socket(TDSSOCKET *tds)
Close current socket.
Definition: net.c:548
const char * tds_prtype(int token)
Returns string representation of the given type.
Definition: token.c:3032
Definition: tds.h:1094
bool defer_close
true if dynamic was marker to be closed when connection is idle
Definition: tds.h:1001
TDSDYNAMIC * tds_alloc_dynamic(TDSCONNECTION *conn, const char *id)
Allocate a dynamic statement.
Definition: mem.c:160
unsigned char tds_get_byte(TDSSOCKET *tds)
Return a single byte from the input buffer.
Definition: read.c:72
client would send data
Definition: tds.h:796
TDSRET tds_deferred_unprepare(TDSCONNECTION *conn, TDSDYNAMIC *dyn)
Unprepare dynamic on idle.
Definition: query.c:1824
TDSSOCKET * tds
which socket we refer to
Definition: tds.h:1604
Used by tds_datecrack.
Definition: tds.h:157
Definition: tds.h:328
const int tds_numeric_bytes_per_prec[]
The following little table is indexed by precision and will tell us the number of bytes required to s...
Definition: numeric.c:41
unsigned char * out_buf
Output buffer.
Definition: tds.h:1202
TDS_TINYINT column_varint_size
size of length when reading from wire (0, 1, 2 or 4)
Definition: tds.h:705
int tds_put_string(TDSSOCKET *tds, const char *buf, int len)
Output a string to wire automatic translate string to unicode if needed.
Definition: write.c:97
int tds_needs_unprepare(TDSCONNECTION *conn, TDSDYNAMIC *dyn)
Check if dynamic request must be unprepared.
Definition: query.c:1802
Information for a server connection.
Definition: tds.h:1179
Definition: tds.h:1602
transaction in progress
Definition: tds.h:253
DSTR cafile
certificate authorities file
Definition: tds.h:531
TDSRET tds_set_interfaces_file_loc(const char *interfloc)
Set the full name of interface file.
Definition: config.c:967
TDS_INT decimicrosecond
0-9999999
Definition: tds.h:168
Definition: tds.h:1088
int tds_socket_set_nonblocking(TDS_SYS_SOCKET sock)
Set socket to non-blocking.
Definition: net.c:168
TDSRET tds_writetext_continue(TDSSOCKET *tds, const TDS_UCHAR *text, TDS_UINT size)
Send some data in the writetext request started by tds_writetext_start.
Definition: bulk.c:1350
TDS_SERVER_TYPE column_type
This type can be different from wire type because conversion (e.g.
Definition: tds.h:700
TDS_TINYINT column_scale
scale for decimal/numeric
Definition: tds.h:708
TDSRET tds_bcp_start(TDSSOCKET *tds, TDSBCPINFO *bcpinfo)
Start sending BCP data to server.
Definition: bulk.c:876
TDS_INT dayofyear
day of year (1-366)
Definition: tds.h:163
TDS_INT cursor_id
cursor id returned by the server after cursor declare
Definition: tds.h:945
Information about blobs (e.g.
Definition: tds.h:596
unsigned in_pos
current position in in_buf
Definition: tds.h:1209
DSTR new_password
new password to set (TDS 7.2+)
Definition: tds.h:537
int tds_select(TDSSOCKET *tds, unsigned tds_sel, int timeout_seconds)
Select on a socket until it's available or the timeout expires.
Definition: net.c:610
unsigned int pending_close
true is connection has pending closing (cursors or dynamic)
Definition: tds.h:1127
int tds_goodwrite(TDSSOCKET *tds, const unsigned char *buffer, size_t buflen)
Definition: net.c:985
void tds_set_param_type(TDSCONNECTION *conn, TDSCOLUMN *curcol, TDS_SERVER_TYPE type)
Set type of column initializing all dependency.
Definition: data.c:246
Definition: tds.h:631
TDS_UINT8 time
time, 7 digit precision
Definition: tds.h:146
TDSPARAMINFO * res_info
query results
Definition: tds.h:1003
struct tds_encoding TDS_ENCODING
Information relevant to libiconv.
unsigned out_pos
current position in out_buf
Definition: tds.h:1210
void * tds_alloc_param_data(TDSCOLUMN *curparam)
Allocate data for a parameter.
Definition: mem.c:373
struct addrinfo * ip_addrs
ip(s) of server
Definition: tds.h:547
const char * name
name of the encoding (ie UTF-8)
Definition: tds.h:624
char * charset
character set encoding
Definition: tds.h:972
bool in_row
true if we are getting rows
Definition: tds.h:1263
Definition: tds.h:1291
TDS_INT ref_count
reference counter so client can retain safely a pointer
Definition: tds.h:943
TDSRET tds_submit_optioncmd(TDSSOCKET *tds, TDS_OPTION_CMD command, TDS_OPTION option, TDS_OPTION_ARG *param, TDS_INT param_size)
Send option commands to server.
Definition: query.c:3436
struct tds_blob TDSBLOB
Information about blobs (e.g.
TDSDYNAMIC * tds_lookup_dynamic(TDSCONNECTION *conn, const char *id)
Finds a dynamic given string id.
Definition: token.c:2587
Current environment as reported by the server.
Definition: tds.h:966
Definition: tds.h:495
DSTR server_realm_name
server realm name (in freetds.conf)
Definition: tds.h:528
size_t tds_quote_id(TDSSOCKET *tds, char *buffer, const char *id, int idlen)
Quote an id.
Definition: query.c:2218
TDSRET tds_freeze_close_len(TDSFREEZE *freeze, int32_t size)
Stop keeping data for this specific freeze.
Definition: packet.c:1031
TDSENV env
environment is shared between all sessions
Definition: tds.h:1105
TDS_INT year
year
Definition: tds.h:159
struct tds_cursor * next
next in linked list, keep first
Definition: tds.h:942
size_t tds_freeze_written(TDSFREEZE *freeze)
Compute how many bytes has been written from freeze.
Definition: packet.c:935
TDSLOGIN * tds_init_login(TDSLOGIN *login, TDSLOCALE *locale)
Initialize login structure with locale information and other stuff for connection.
Definition: mem.c:809
TDSRET tds_submit_rpc(TDSSOCKET *tds, const char *rpc_name, TDSPARAMINFO *params, TDSHEADERS *head)
Calls a RPC from server.
Definition: query.c:1979
Definition: proto.h:38
unsigned char tds_peek(TDSSOCKET *tds)
Reads a byte from the TDS stream without removing it.
Definition: read.c:100
SQL server server error.
Definition: tds.h:258
size_t tds_fix_column_size(TDSSOCKET *tds, TDSCOLUMN *curcol)
Get column size for wire.
Definition: query.c:1541
TDS_USMALLINT tds_get_usmallint(TDSSOCKET *tds)
Get an int16 from the server.
Definition: read.c:113
TDSRESULTINFO * current_results
Current query information.
Definition: tds.h:1255
void tds_set_cur_dyn(TDSSOCKET *tds, TDSDYNAMIC *dyn)
Set current dynamic.
Definition: query.c:192
void tdsdump_log(const char *file, unsigned int level_line, const char *fmt,...)
Write a message to the debug log.
Definition: log.c:396
unsigned char * in_buf
Input buffer.
Definition: tds.h:1194
tds_states
values for tds->state
Definition: tds.h:792
bool tds_read_conf_section(FILE *in, const char *section, TDSCONFPARSE tds_conf_parse, void *parse_param)
Read a section of configuration file (INI style file)
Definition: config.c:503
client is writing data
Definition: tds.h:795
int tds_get_varint_size(TDSCONNECTION *conn, int datatype)
tds_get_varint_size() returns the size of a variable length integer returned in a result string ...
Definition: tds_types.h:57
DSTR * tds_dstr_get(TDSSOCKET *tds, DSTR *s, size_t len)
Reads a string from wire and put in a DSTR.
Definition: read.c:293
TDS_INT minute
0-59
Definition: tds.h:166
bool tds_read_conf_file(TDSLOGIN *login, const char *server)
Read configuration info for given server return 0 on error.
Definition: config.c:346
TDSRET tds_submit_rollback(TDSSOCKET *tds, bool cont)
Send a rollback request.
Definition: query.c:3740
size_t tds_quote_string(TDSSOCKET *tds, char *buffer, const char *str, int len)
Quote a string.
Definition: query.c:2288
unsigned in_len
input buffer length
Definition: tds.h:1211
Definition: tds.h:1060
TDS_UINT product_version
version of product (Sybase/MS and full version)
Definition: tds.h:1097
Metadata about columns in regular and compute rows.
Definition: tds.h:692
TDS_INT month
month number (0-11)
Definition: tds.h:161
bool tds_set_server(TDSLOGIN *tds_login, const char *server) TDS_WUR
Set the servername in a TDSLOGIN structure.
Definition: login.c:129
unsigned data_len
data length, this does not account SMP header, only TDS part
Definition: tds.h:1075
TDSRET tds_bcp_init(TDSSOCKET *tds, TDSBCPINFO *bcpinfo)
Initialize BCP information.
Definition: bulk.c:86