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
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
{
Contains the MySQL 3 functions calls
Call InitialiseMysql3 before using any of the calls, and call ReleaseMysql3
when finished.
}
unit mysql3dyn;
{
Adapted from mysql4dyn by Bram Kuijvenhoven (Hexis BV, The Netherlands)
}
{$mode objfpc}{$H+}
{$MACRO on}
interface
uses dynlibs, classes, sysutils, mysql3_comdyn;
{$IFDEF Unix}
{$DEFINE extdecl:=cdecl}
const
Mysqllib = 'libmysqlclient.'+sharedsuffix;
{$ENDIF}
{$IFDEF Windows}
{$DEFINE extdecl:=stdcall}
const
Mysqllib = 'libmysql.dll';
{$ENDIF}
{$PACKRECORDS C}
{$i mysql3types.inc}
type tpcharfunction = function : pchar; extdecl;
var
mysql_num_rows : function(res : PMYSQL_RES) : my_ulonglong; extdecl;
mysql_num_fields : function(res : PMYSQL_RES) : Cardinal; extdecl;
mysql_eof : function(res : PMYSQL_RES) : my_bool; extdecl;
mysql_fetch_field_direct : function(res : PMYSQL_RES; fieldnr : Cardinal) : PMYSQL_FIELD; extdecl;
mysql_fetch_fields : function(res : PMYSQL_RES) : PMYSQL_FIELD; extdecl;
mysql_row_tell : function(res : PMYSQL_RES) : PMYSQL_ROWS; extdecl;
mysql_field_tell : function(res : PMYSQL_RES) : Cardinal; extdecl;
mysql_affected_rows : function(mysql : PMYSQL): my_ulonglong; extdecl;
mysql_insert_id : function(mysql : PMYSQL): my_ulonglong; extdecl;
mysql_errno : function(mysql : PMYSQL) : Cardinal; extdecl;
mysql_info : function(mysql : PMYSQL): Pchar; extdecl;
mysql_thread_id : function(mysql : PMYSQL) : ptruint; extdecl;
mysql_error : function(mysql : PMYSQL) : pchar; extdecl;
mysql_init : function(mysql: PMYSQL) : PMYSQL;extdecl;
mysql_connect : function(mysql : PMYSQL; host,user,passwd: pchar) : PMYSQL;extdecl;
mysql_real_connect : function(mysql : PMYSQL; const host,user,passwd : pchar;
{$ifndef use_mysql_321} const db : Pchar; {$endif} // strictly speaking 3.22+ not 3.21+
port : cardinal;
unix_socket : pchar;
clientflag : cardinal) : PMYSQL;extdecl;
mysql_close : function(sock : PMYSQL) : longint ;extdecl;
mysql_select_db : function(MYSQL : PMYSQL; db : Pchar) : longint;extdecl;
mysql_query : function(mysql : PMYSQL; q : pchar) : longint;extdecl;
mysql_real_query : function(mysql : PMYSQL; q : Pchar; length : longint) : longint;extdecl;
mysql_create_db : function(mysql : PMYSQL; db : pchar) : longint;extdecl;
mysql_drop_db : function(mysql : PMYSQL; DB : Pchar) : longint;extdecl;
mysql_shutdown : function(mysql : PMYSQL) : longint;extdecl;
mysql_dump_debug_info : function(mysql : PMYSQL) : longint;extdecl;
mysql_refresh : function(mysql : PMYSQL; refresh_options : cardinal) : longint;extdecl;
mysql_kill : function(mysql : PMYSQL; pid : Cardinal) : longint;extdecl;
mysql_stat : function(mysql : PMYSQL) : Pchar;extdecl;
mysql_get_server_info : function(mysql : PMYSQL) : pchar;extdecl;
mysql_get_client_info : function : pchar;extdecl;
mysql_get_host_info : function(mysql : PMYSQL) : pchar;extdecl;
mysql_get_proto_info : function(mysql : PMYSQL) : Cardinal;extdecl;
mysql_list_dbs : function(mysql : PMYSQL;wild : Pchar) : PMYSQL_RES;extdecl;
mysql_list_tables : function(mysql : PMYSQL;Wild : Pchar) : PMYSQL_RES;extdecl;
mysql_list_fields : function(mysql : PMYSQL; table,wild : pchar) : PMYSQL_RES;extdecl;
mysql_list_processes : function(mysql : PMYSQL) : PMYSQL_RES;extdecl;
mysql_store_result : function(mysql : PMYSQL) : PMYSQL_RES;extdecl;
mysql_use_result : function(mysql : PMYSQL) : PMYSQL_RES;extdecl;
mysql_free_result : procedure(res : PMYSQL_RES);extdecl;
mysql_data_seek : procedure(mysql : PMYSQL_RES; offs : cardinal);extdecl;
mysql_row_seek : function(mysql : PMYSQL_RES; Offs: TMYSQL_ROW_OFFSET): TMYSQL_ROW_OFFSET;extdecl;
mysql_field_seek : function(musql : PMYSQL_RES;offs : TMYSQL_FIELD_OFFSET): TMYSQL_FIELD_OFFSET;extdecl;
mysql_fetch_row : function(mysql : PMYSQL_RES) : TMYSQL_ROW;extdecl;
mysql_fetch_lengths : function(mysql : PMYSQL_RES) : PCardinal;extdecl;
mysql_fetch_field : function(handle : PMYSQL_RES) : PMYSQL_FIELD;extdecl;
mysql_escape_string : function(escto,escfrom : pchar; length : Cardinal) : cardinal;extdecl;
mysql_debug : procedure(debug : pchar);extdecl;
Procedure InitialiseMysql3;
Procedure ReleaseMysql3;
var Mysql3LibraryHandle : TLibHandle;
implementation
var RefCount : integer;
Procedure InitialiseMysql3;
begin
inc(RefCount);
if RefCount = 1 then
begin
Mysql3LibraryHandle := loadlibrary(Mysqllib);
if Mysql3LibraryHandle = nilhandle then
begin
RefCount := 0;
Raise EInOutError.Create('Can not load MySQL client. Is it installed? ('+Mysqllib+')');
end;
pointer(mysql_get_client_info) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_get_client_info');
// To avoid the strangest problems for ppl using other client-libs
if copy(strpas(mysql_get_client_info()),1,4) <> '3.23' then
Raise EInOutError.Create('This program can only work with the MySQL client version 3.23.x. Please use the right version of '+Mysqllib+'.');
pointer(mysql_num_rows) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_num_rows');
pointer(mysql_num_fields) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_num_fields');
pointer(mysql_eof) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_eof');
pointer(mysql_fetch_field_direct) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_fetch_field_direct');
pointer(mysql_fetch_fields) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_fetch_fields');
pointer(mysql_row_tell) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_row_tell');
pointer(mysql_field_tell) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_field_tell');
pointer(mysql_affected_rows) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_affected_rows');
pointer(mysql_insert_id) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_insert_id');
pointer(mysql_errno) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_errno');
pointer(mysql_info) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_info');
pointer(mysql_thread_id) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_thread_id');
pointer(mysql_error) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_error');
pointer(mysql_init) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_init');
pointer(mysql_connect) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_connect');
pointer(mysql_real_connect) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_real_connect');
pointer(mysql_close) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_close');
pointer(mysql_select_db) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_select_db');
pointer(mysql_query) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_query');
pointer(mysql_real_query) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_real_query');
pointer(mysql_create_db) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_create_db');
pointer(mysql_drop_db) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_drop_db');
pointer(mysql_shutdown) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_shutdown');
pointer(mysql_dump_debug_info) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_dump_debug_info');
pointer(mysql_refresh) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_refresh');
pointer(mysql_kill) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_kill');
pointer(mysql_stat) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_stat');
pointer(mysql_get_server_info) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_get_server_info');
pointer(mysql_get_host_info) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_get_host_info');
pointer(mysql_get_proto_info) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_get_proto_info');
pointer(mysql_list_dbs) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_list_dbs');
pointer(mysql_list_tables) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_list_tables');
pointer(mysql_list_fields) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_list_fields');
pointer(mysql_list_processes) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_list_processes');
pointer(mysql_store_result) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_store_result');
pointer(mysql_use_result) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_use_result');
pointer(mysql_free_result) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_free_result');
pointer(mysql_data_seek) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_data_seek');
pointer(mysql_row_seek) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_row_seek');
pointer(mysql_field_seek) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_field_seek');
pointer(mysql_fetch_row) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_fetch_row');
pointer(mysql_fetch_lengths) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_fetch_lengths');
pointer(mysql_fetch_field) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_fetch_field');
pointer(mysql_escape_string) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_escape_string');
pointer(mysql_debug) := GetProcedureAddress(Mysql3LibraryHandle,'mysql_debug');
InitialiseMysql3_com;
end;
end;
Procedure ReleaseMysql3;
begin
if RefCount > 0 then dec(RefCount);
if RefCount = 0 then
begin
if not UnloadLibrary(Mysql3LibraryHandle) then inc(RefCount);
ReleaseMysql3_com;
end;
end;
{$i mysql3impl.inc}
end.
|
