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initial import of the bcompat plugins (userland layer)

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This commit is contained in:
David Anderson
2006-09-08 14:49:54 +00:00
parent 38e7b9ff58
commit 8df33abd70
13 changed files with 1995 additions and 0 deletions
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plugins/amxmod_compat/mysql.sma Normal file
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/**
* AMX Mod Compatibility engine
* by the AMX Mod X Development Team
*/
#define MAX_CONNECTIONS 64
new Connections[MAX_CONNECTIONS+1] = {0}
new ConnectionTracker[MAX_CONNECTIONS+1] = {0}
new ConnectionErrors[MAX_CONNECTIONS+1][255]
new ConnectionQueries[MAX_CONNECTIONS+1] = {0}
new QueryPositions[MAX_CONNECTIONS+1]
MySQL_Natives()
{
register_native("mysql_connect", "__mysql_connect")
register_native("mysql_query", "__mysql_query")
register_native("mysql_error", "__mysql_error")
register_native("mysql_close", "__mysql_close")
register_native("mysql_nextrow", "__mysql_nextrow")
register_native("mysql_getfield", "__mysql_getfield")
register_native("mysql_getresult", "__mysql_getresult")
register_native("mysql_affected_rows", "__mysql_affected_rows")
register_native("mysql_num_fields", "__mysql_num_fields")
register_native("mysql_num_rows", "__mysql_num_rows")
register_native("mysql_field_name", "__mysql_field_name")
register_native("mysql_insert_id", "__mysql_insert_id")
}
MakeConnectionIndex(Handle:cn)
{
if (ConnectionTracker[0])
{
new idx = ConnectionTracker[ConnectionTracker[0]]
ConnectionTracker[0]--
Connections[idx] = _:cn
return idx
} else {
Connections[0]++
if (Connections[0] > MAX_CONNECTIONS)
{
return 0
}
Connections[Connections[0]] = _:cn
return Connections[0]
}
return 0
}
Handle:GetConnectionIndex(idx)
{
if (idx < 1 || idx > MAX_CONNECTIONS || !Connections[idx])
{
return Empty_Handle
}
return Handle:Connections[idx]
}
FreeConnectionIndex(idx)
{
Connections[idx] = 0
ConnectionTracker[0]++
ConnectionTracker[ConnectionTracker[0]] = idx
ConnectionErrors[idx][0] = 0
ConnectionQueries[idx] = 0
QueryPositions[idx] = 0
}
/*
* Unlike the previous this does not check for a matching connection.
* Unless a plugin breaks I'm not going to take that step.
*/
public __mysql_connect(plid, num)
{
static host[255], user[128], pass[128], dbname[128], error[512]
new errcode
get_string(1, host, 254)
get_string(2, user, 127)
get_string(3, pass, 127)
get_string(4, dbname, 127)
new Handle:info = SQL_MakeDbTuple(host, user, pass, dbname)
new Handle:cn = SQL_Connect(info, errcode, error, 511)
if (cn == Empty_Handle)
{
set_string(5, error, get_param(6))
return 0
}
SQL_FreeHandle(info)
new idx = MakeConnectionIndex(cn)
if (idx == 0)
{
set_string(5, "Reached max unclosed connections", get_param(6))
return 0
}
ConnectionQueries[idx] = 0
return idx
}
public __mysql_query(plid, num)
{
static queryString[4096]
new cn_idx = get_param(1)
new Handle:cn
if ((cn=GetConnectionIndex(cn_idx)) == Empty_Handle)
{
return 0
}
vdformat(queryString, 4095, 2, 3)
new Handle:query = SQL_PrepareQuery(cn, "%s", queryString)
if (!SQL_Execute(query))
{
SQL_QueryError(query, ConnectionErrors[cn_idx], 254)
SQL_FreeHandle(query)
return 0
}
if (ConnectionQueries[cn_idx])
{
SQL_FreeHandle(Handle:ConnectionQueries[cn_idx])
}
ConnectionQueries[cn_idx] = _:query
QueryPositions[cn_idx] = 0
return 1
}
public __mysql_error(plid, num)
{
new cn_idx = get_param(1)
if (Connections[cn_idx] < 1)
{
static error[255]
format(error, 254, "Invalid connection index: %d", cn_idx)
set_string(2, error, get_param(3))
return 1
}
set_string(2, ConnectionErrors[cn_idx], get_param(3))
return 1
}
public __mysql_close(plid, num)
{
new cn_idx = get_param(1)
new Handle:cn = GetConnectionIndex(cn_idx)
if (cn == Empty_Handle)
{
return 0
}
new Handle:query = Handle:ConnectionQueries[cn_idx]
if (query != Empty_Handle)
{
SQL_FreeHandle(query)
}
SQL_FreeHandle(cn)
FreeConnectionIndex(cn_idx)
return 1
}
public __mysql_nextrow(plid, num)
{
new cn_idx = get_param(1)
new Handle:cn = GetConnectionIndex(cn_idx)
if (cn == Empty_Handle)
{
return 0
}
new Handle:query = Handle:ConnectionQueries[cn_idx]
if (query == Empty_Handle)
{
return 0
}
if (QueryPositions[cn_idx] != 0)
{
SQL_NextRow(query)
}
if (SQL_MoreResults(query))
{
return ++QueryPositions[cn_idx]
}
return 0
}
public __mysql_getresult(plid, num)
{
new cn_idx = get_param(1)
new Handle:cn = GetConnectionIndex(cn_idx)
if (cn == Empty_Handle)
{
return 0
}
new Handle:query = Handle:ConnectionQueries[cn_idx]
if (query == Empty_Handle)
{
return 0
}
if (!SQL_MoreResults(query))
{
return 0
}
static name[64]
get_string(2, name, 63)
new column = SQL_FieldNameToNum(query, name)
if (column == -1)
{
log_error(AMX_ERR_NATIVE, "Invalid column name: %s", name)
return 0
}
switch (num)
{
case 2:
{
return SQL_ReadResult(query, column)
}
case 3:
{
new Float:fma
SQL_ReadResult(query, column, fma)
set_param_byref(3, _:fma)
}
case 4:
{
static str[2048]
SQL_ReadResult(query, column, str, 2047)
set_string(3, str, get_param_byref(4))
}
}
return 1
}
public __mysql_getfield(plid, num)
{
new cn_idx = get_param(1)
new Handle:cn = GetConnectionIndex(cn_idx)
if (cn == Empty_Handle)
{
return 0
}
new Handle:query = Handle:ConnectionQueries[cn_idx]
if (query == Empty_Handle)
{
return 0
}
if (!SQL_MoreResults(query))
{
return 0
}
switch (num)
{
case 2:
{
return SQL_ReadResult(query, get_param(2)-1)
}
case 3:
{
new Float:fma
SQL_ReadResult(query, get_param(2)-1, fma)
set_param_byref(3, _:fma)
}
case 4:
{
static str[2048]
SQL_ReadResult(query, get_param(2)-1, str, 2047)
set_string(3, str, get_param_byref(4))
}
}
return 1
}
public __mysql_affected_rows(plid, num)
{
new cn_idx = get_param(1)
new Handle:cn = GetConnectionIndex(cn_idx)
if (cn == Empty_Handle)
{
return 0
}
new Handle:query = Handle:ConnectionQueries[cn_idx]
if (query == Empty_Handle)
{
return 0
}
return SQL_AffectedRows(query)
}
public __mysql_num_fields(plid, num)
{
new cn_idx = get_param(1)
new Handle:cn = GetConnectionIndex(cn_idx)
if (cn == Empty_Handle)
{
return 0
}
new Handle:query = Handle:ConnectionQueries[cn_idx]
if (query == Empty_Handle)
{
return 0
}
return SQL_NumColumns(query)
}
public __mysql_insert_id(plid, num)
{
new cn_idx = get_param(1)
new Handle:cn = GetConnectionIndex(cn_idx)
if (cn == Empty_Handle)
{
return 0
}
new Handle:query = Handle:ConnectionQueries[cn_idx]
if (query == Empty_Handle)
{
return 0
}
return SQL_GetInsertId(query)
}
public __mysql_num_rows(plid, num)
{
new cn_idx = get_param(1)
new Handle:cn = GetConnectionIndex(cn_idx)
if (cn == Empty_Handle)
{
return 0
}
new Handle:query = Handle:ConnectionQueries[cn_idx]
if (query == Empty_Handle)
{
return 0
}
return SQL_NumResults(query)
}
public __mysql_field_name(plid, num)
{
new cn_idx = get_param(1)
new Handle:cn = GetConnectionIndex(cn_idx)
if (cn == Empty_Handle)
{
return 0
}
new Handle:query = Handle:ConnectionQueries[cn_idx]
if (query == Empty_Handle)
{
return 0
}
new column = get_param(2) - 1
if (column < 0 || column >= SQL_NumColumns(query))
{
return 0
}
new field[64]
SQL_FieldNumToName(query, column, field, 63)
set_string(3, field, get_param(4))
return 1
}