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/*
* mysqlStubInit.c --
*
* Stubs tables for the foreign MySQL libraries so that
* Tcl extensions can use them without the linker's knowing about them.
*
* @CREATED@ 2017-05-26 05:57:32Z by genExtStubs.tcl from ../generic/mysqlStubDefs.txt
*
* Copyright (c) 2010 by Kevin B. Kenny.
*
* Please refer to the file, 'license.terms' for the conditions on
* redistribution of this file and for a DISCLAIMER OF ALL WARRANTIES.
*
*-----------------------------------------------------------------------------
*/
#include <tcl.h>
#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#endif
#include "fakemysql.h"
/*
* Static data used in this file
*/
/*
* Names of the libraries that might contain the MySQL API
*/
#if defined(__CYGWIN__) && !defined(LIBPREFIX)
# define LIBPREFIX "cyg"
#else
# define LIBPREFIX "lib"
#endif
static const char *const mysqlStubLibNames[] = {
/* @LIBNAMES@: DO NOT EDIT THESE NAMES */
"mysqlclient_r", "mysqlclient", "mysql", NULL
/* @END@ */
};
/* ABI Version numbers of the MySQL API that we can cope with */
static const char mysqlSuffixes[][4] = {
"", ".18", ".17", ".16", ".15"
};
/* Names of the functions that we need from MySQL */
static const char *const mysqlSymbolNames[] = {
/* @SYMNAMES@: DO NOT EDIT THESE NAMES */
"mysql_server_init",
"mysql_server_end",
"mysql_affected_rows",
"mysql_autocommit",
"mysql_change_user",
"mysql_close",
"mysql_commit",
"mysql_errno",
"mysql_error",
"mysql_fetch_fields",
"mysql_fetch_lengths",
"mysql_fetch_row",
"mysql_field_count",
"mysql_free_result",
"mysql_get_client_version",
"mysql_init",
"mysql_list_fields",
"mysql_list_tables",
"mysql_num_fields",
"mysql_options",
"mysql_query",
"mysql_real_connect",
"mysql_rollback",
"mysql_select_db",
"mysql_sqlstate",
"mysql_ssl_set",
"mysql_stmt_affected_rows",
"mysql_stmt_bind_param",
"mysql_stmt_bind_result",
"mysql_stmt_close",
"mysql_stmt_errno",
"mysql_stmt_error",
"mysql_stmt_execute",
"mysql_stmt_fetch",
"mysql_stmt_fetch_column",
"mysql_stmt_init",
"mysql_stmt_prepare",
"mysql_stmt_result_metadata",
"mysql_stmt_sqlstate",
"mysql_stmt_store_result",
"mysql_store_result",
NULL
/* @END@ */
};
/*
* Table containing pointers to the functions named above.
*/
static mysqlStubDefs mysqlStubsTable;
const mysqlStubDefs* mysqlStubs = &mysqlStubsTable;
/*
*-----------------------------------------------------------------------------
*
* MysqlInitStubs --
*
* Initialize the Stubs table for the MySQL API
*
* Results:
* Returns the handle to the loaded MySQL client library, or NULL
* if the load is unsuccessful. Leaves an error message in the
* interpreter.
*
*-----------------------------------------------------------------------------
*/
MODULE_SCOPE Tcl_LoadHandle
MysqlInitStubs(Tcl_Interp* interp)
{
int status; /* Status of Tcl library calls */
Tcl_Obj* path; /* Path name of a module to be loaded */
Tcl_Obj* shlibext; /* Extension to use for load modules */
Tcl_LoadHandle handle = NULL;
/* Handle to a load module */
int i, j;
/* Determine the shared library extension */
status = Tcl_EvalEx(interp, "::info sharedlibextension", -1,
TCL_EVAL_GLOBAL);
if (status != TCL_OK) return NULL;
shlibext = Tcl_GetObjResult(interp);
Tcl_IncrRefCount(shlibext);
/* Walk the list of possible library names to find an MySQL client */
status = TCL_ERROR;
for (i = 0; status == TCL_ERROR && mysqlStubLibNames[i] != NULL; ++i) {
for (j = 0; status == TCL_ERROR && (j < sizeof(mysqlSuffixes)/sizeof(mysqlSuffixes[0])); ++j) {
path = Tcl_NewStringObj(LIBPREFIX, -1);
Tcl_AppendToObj(path, mysqlStubLibNames[i], -1);
#ifdef __CYGWIN__
if (*mysqlSuffixes[j]) {
Tcl_AppendToObj(path, "-", -1);
Tcl_AppendToObj(path, mysqlSuffixes[j]+1, -1);
}
#endif
Tcl_AppendObjToObj(path, shlibext);
#ifndef __CYGWIN__
Tcl_AppendToObj(path, mysqlSuffixes[j], -1);
#endif
Tcl_IncrRefCount(path);
/* Try to load a client library and resolve symbols within it. */
Tcl_ResetResult(interp);
status = Tcl_LoadFile(interp, path, mysqlSymbolNames, 0,
&mysqlStubsTable, &handle);
Tcl_DecrRefCount(path);
}
}
/*
* Either we've successfully loaded a library (status == TCL_OK),
* or we've run out of library names (in which case status==TCL_ERROR
* and the error message reflects the last unsuccessful load attempt).
*/
Tcl_DecrRefCount(shlibext);
if (status != TCL_OK) {
return NULL;
}
return handle;
}
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