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tdsconvert.h

00001 /* FreeTDS - Library of routines accessing Sybase and Microsoft databases
00002  * Copyright (C) 1998-1999  Brian Bruns
00003  *
00004  * This library is free software; you can redistribute it and/or
00005  * modify it under the terms of the GNU Library General Public
00006  * License as published by the Free Software Foundation; either
00007  * version 2 of the License, or (at your option) any later version.
00008  *
00009  * This library is distributed in the hope that it will be useful,
00010  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  * Library General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU Library General Public
00015  * License along with this library; if not, write to the
00016  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00017  * Boston, MA 02111-1307, USA.
00018  */
00019 
00020 #ifndef _tdsconvert_h_
00021 #define _tdsconvert_h_
00022 
00023 #ifdef __cplusplus
00024 extern "C"
00025 {
00026 #if 0
00027 }
00028 #endif
00029 #endif
00030 
00031 static const char rcsid_tdsconvert_h[] = "$Id: tdsconvert.h,v 1.21 2005/04/15 11:51:56 freddy77 Exp $";
00032 static const void *const no_unused_tdsconvert_h_warn[] = { rcsid_tdsconvert_h, no_unused_tdsconvert_h_warn };
00033 
00034 typedef union conv_result
00035 {
00036         TDS_TINYINT ti;
00037         TDS_SMALLINT si;
00038         TDS_INT i;
00039         TDS_INT8 bi;
00040         TDS_FLOAT f;
00041         TDS_REAL r;
00042         TDS_CHAR *c;
00043         TDS_MONEY m;
00044         TDS_MONEY4 m4;
00045         TDS_DATETIME dt;
00046         TDS_DATETIME4 dt4;
00047         TDS_NUMERIC n;
00048         TDS_CHAR *ib;
00049         TDS_UNIQUE u;
00050 }
00051 CONV_RESULT;
00052 
00053 /*
00054  * Failure return codes for tds_convert()
00055  */
00056 #define TDS_CONVERT_FAIL        -1      /* unspecified failure */
00057 #define TDS_CONVERT_NOAVAIL     -2      /* conversion does not exist */
00058 #define TDS_CONVERT_SYNTAX      -3      /* syntax error in source field */
00059 #define TDS_CONVERT_NOMEM       -4      /* insufficient memory */
00060 #define TDS_CONVERT_OVERFLOW    -5      /* result too large */
00061 
00062 struct tds_time
00063 {
00064         int tm_year; 
00065         int tm_mon;  
00066         int tm_mday; 
00067         int tm_hour; 
00068         int tm_min;  
00069         int tm_sec;  
00070         int tm_ms;   
00071 };
00072 
00073 unsigned char tds_willconvert(int srctype, int desttype);
00074 
00075 TDS_INT tds_get_null_type(int srctype);
00076 TDS_INT tds_convert(const TDSCONTEXT * context, int srctype, const TDS_CHAR * src, TDS_UINT srclen, int desttype, CONV_RESULT * cr);
00077 
00078 size_t tds_strftime(char *buf, size_t maxsize, const char *format, const TDSDATEREC * timeptr);
00079 
00080 #ifdef __cplusplus
00081 #if 0
00082 {
00083 #endif
00084 }
00085 #endif
00086 
00087 #endif /* _tdsconvert_h_ */

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