1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
/**********************************************************************
* SQLAllocConnect
*
**********************************************************************
*
* This code was created by Peter Harvey (mostly during Christmas 98/99).
* This code is LGPL. Please ensure that this message remains in future
* distributions and uses of this code (thats about all I get out of it).
* - Peter Harvey pharvey@codebydesign.com
*
**********************************************************************/
#include <config.h>
#include "driver.h"
SQLRETURN _AllocConnect( SQLHENV hDrvEnv,
SQLHDBC *phDrvDbc )
{
HDRVENV hEnv = (HDRVENV)hDrvEnv;
HDRVDBC *phDbc = (HDRVDBC*)phDrvDbc;
/************************
* SANITY CHECKS
************************/
if( SQL_NULL_HENV == hEnv )
return SQL_INVALID_HANDLE;
sprintf((char*) hEnv->szSqlMsg, "hEnv = $%08lX phDbc = $%08lX", (long)hEnv, (long)phDbc );
logPushMsg( hEnv->hLog, __FILE__, __FILE__, __LINE__, LOG_WARNING, LOG_WARNING,(char*) hEnv->szSqlMsg );
if( SQL_NULL_HDBC == phDbc )
{
logPushMsg( hEnv->hLog, __FILE__, __FILE__, __LINE__, LOG_WARNING, LOG_WARNING, "SQL_ERROR *phDbc is NULL" );
return SQL_ERROR;
}
/************************
* OK LETS DO IT
************************/
/* allocate database access structure */
*phDbc = (HDRVDBC)malloc( sizeof(DRVDBC) );
if( SQL_NULL_HDBC == *phDbc )
{
*phDbc = SQL_NULL_HDBC;
logPushMsg( hEnv->hLog, __FILE__, __FILE__, __LINE__, LOG_WARNING, LOG_WARNING, "SQL_ERROR malloc error" );
return SQL_ERROR;
}
/* initialize structure */
memset( *phDbc, 0, sizeof(DRVDBC) );
(*phDbc)->bConnected = 0;
(*phDbc)->hDbcExtras = NULL;
(*phDbc)->hFirstStmt = NULL;
(*phDbc)->hLastStmt = NULL;
(*phDbc)->pNext = NULL;
(*phDbc)->pPrev = NULL;
(*phDbc)->hEnv = (SQLPOINTER)hEnv;
/* start logging */
if ( !logOpen( &(*phDbc)->hLog, "[template]", NULL, 50 ) )
(*phDbc)->hLog = NULL;
logOn( (*phDbc)->hLog, 1 );
/* ADD TO END OF LIST */
if ( hEnv->hFirstDbc == NULL )
{
/* 1st is null so the list is empty right now */
hEnv->hFirstDbc = (*phDbc);
hEnv->hLastDbc = (*phDbc);
}
else
{
/* at least one node in list */
hEnv->hLastDbc->pNext = (SQLPOINTER)(*phDbc);
(*phDbc)->pPrev = (SQLPOINTER)hEnv->hLastDbc;
hEnv->hLastDbc = (*phDbc);
}
/********************************************************/
/* ALLOCATE AND INIT EXTRAS HERE */
(*phDbc)->hDbcExtras = (HDBCEXTRAS)malloc( sizeof(DBCEXTRAS) );
memset( (*phDbc)->hDbcExtras, 0, sizeof(DBCEXTRAS) );
/********************************************************/
logPushMsg( hEnv->hLog, __FILE__, __FILE__, __LINE__, LOG_INFO, LOG_INFO, "SQL_SUCCESS" );
return SQL_SUCCESS;
}
SQLRETURN SQLAllocConnect( SQLHENV hDrvEnv,
SQLHDBC *phDrvDbc )
{
return _AllocConnect( hDrvEnv, phDrvDbc );
}
|
