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php-src/ext/sybase/php_sybase_db.c

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/*
+----------------------------------------------------------------------+
| PHP Version 4 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2002 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 2.02 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available at through the world-wide-web at |
| http://www.php.net/license/2_02.txt. |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Zeev Suraski <zeev@zend.com> |
+----------------------------------------------------------------------+
| php_sybase_get_column_content_with_type() based on code by: |
| Muhammad A Muquit <MA_Muquit@fccc.edu> |
| Rasmus Lerdorf <rasmus@lerdorf.on.ca> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "php_sybase_db.h"
#include "ext/standard/php_standard.h"
#include "ext/standard/info.h"
#include "php_globals.h"
#if HAVE_SYBASE
#include <sybfront.h>
#include <sybdb.h>
#include <syberror.h>
#if BROKEN_SYBASE_PCONNECTS
#include "http_log.h"
#endif
/* Moved these structures/defines into the .c file (or into a *private* header),
because leaving them in php_sybase_db.h caused namespace pollution in
main/internal_functions.c. */
#define coltype(j) dbcoltype(sybase_ptr->link,j)
#define intcol(i) ((int) *(DBINT *) dbdata(sybase_ptr->link,i))
#define smallintcol(i) ((int) *(DBSMALLINT *) dbdata(sybase_ptr->link,i))
#define tinyintcol(i) ((int) *(DBTINYINT *) dbdata(sybase_ptr->link,i))
#define anyintcol(j) (coltype(j)==SYBINT4?intcol(j):(coltype(j)==SYBINT2?smallintcol(j):tinyintcol(j)))
#define charcol(i) ((DBCHAR *) dbdata(sybase_ptr->link,i))
#define floatcol(i) ((float) *(DBFLT8 *) dbdata(sybase_ptr->link,i))
typedef struct sybase_link_struct sybase_link;
struct sybase_link_struct {
LOGINREC *login;
DBPROCESS *link;
int valid;
};
#define SYBASE_ROWS_BLOCK 128
typedef struct {
char *name,*column_source;
int max_length, numeric;
int type;
} sybase_field;
typedef struct {
pval ***data;
sybase_field *fields;
sybase_link *sybase_ptr;
int cur_row,cur_field;
int num_rows,num_fields;
} sybase_result;
function_entry sybase_functions[] = {
PHP_FE(sybase_connect, NULL)
PHP_FE(sybase_pconnect, NULL)
PHP_FE(sybase_close, NULL)
PHP_FE(sybase_select_db, NULL)
PHP_FE(sybase_query, NULL)
PHP_FE(sybase_free_result, NULL)
PHP_FE(sybase_get_last_message, NULL)
PHP_FE(sybase_num_rows, NULL)
PHP_FE(sybase_num_fields, NULL)
PHP_FE(sybase_fetch_row, NULL)
PHP_FE(sybase_fetch_array, NULL)
PHP_FE(sybase_fetch_object, NULL)
PHP_FE(sybase_data_seek, NULL)
PHP_FE(sybase_fetch_field, NULL)
PHP_FE(sybase_field_seek, NULL)
PHP_FE(sybase_result, NULL)
PHP_FE(sybase_affected_rows, NULL)
PHP_FE(sybase_min_error_severity, NULL)
PHP_FE(sybase_min_message_severity, NULL)
PHP_FALIAS(mssql_connect, sybase_connect, NULL)
PHP_FALIAS(mssql_pconnect, sybase_pconnect, NULL)
PHP_FALIAS(mssql_close, sybase_close, NULL)
PHP_FALIAS(mssql_select_db, sybase_select_db, NULL)
PHP_FALIAS(mssql_query, sybase_query, NULL)
PHP_FALIAS(mssql_free_result, sybase_free_result, NULL)
PHP_FALIAS(mssql_get_last_message, sybase_get_last_message, NULL)
PHP_FALIAS(mssql_num_rows, sybase_num_rows, NULL)
PHP_FALIAS(mssql_num_fields, sybase_num_fields, NULL)
PHP_FALIAS(mssql_fetch_row, sybase_fetch_row, NULL)
PHP_FALIAS(mssql_fetch_array, sybase_fetch_array, NULL)
PHP_FALIAS(mssql_fetch_object, sybase_fetch_object, NULL)
PHP_FALIAS(mssql_data_seek, sybase_data_seek, NULL)
PHP_FALIAS(mssql_fetch_field, sybase_fetch_field, NULL)
PHP_FALIAS(mssql_field_seek, sybase_field_seek, NULL)
PHP_FALIAS(mssql_result, sybase_result, NULL)
PHP_FALIAS(mssql_affected_rows, sybase_affected_rows, NULL)
PHP_FALIAS(mssql_min_error_severity, sybase_min_error_severity, NULL)
PHP_FALIAS(mssql_min_message_severity, sybase_min_message_severity, NULL)
{NULL, NULL, NULL}
};
zend_module_entry sybase_module_entry = {
STANDARD_MODULE_HEADER,
"sybase", sybase_functions, PHP_MINIT(sybase), PHP_MSHUTDOWN(sybase), PHP_RINIT(sybase), PHP_RSHUTDOWN(sybase), PHP_MINFO(sybase), NO_VERSION_YET, STANDARD_MODULE_PROPERTIES
};
#ifdef COMPILE_DL_SYBASE
ZEND_GET_MODULE(sybase)
#endif
THREAD_LS sybase_module php_sybase_module;
#define CHECK_LINK(link) { if (link==-1) { php_error(E_WARNING,"Sybase: A link to the server could not be established"); RETURN_FALSE; } }
static void php_sybase_get_column_content(sybase_link *sybase_ptr,int offset,pval **result_ptr, int column_type);
/* error handler */
static int php_sybase_error_handler(DBPROCESS *dbproc,int severity,int dberr,
int oserr,char *dberrstr,char *oserrstr)
{
if (severity >= php_sybase_module.min_error_severity) {
php_error(E_WARNING,"Sybase error: %s (severity %d)",dberrstr,severity);
}
return INT_CANCEL;
}
/* message handler */
static int php_sybase_message_handler(DBPROCESS *dbproc,DBINT msgno,int msgstate,
int severity,char *msgtext,char *srvname,
char *procname,DBUSMALLINT line)
{
if (severity >= php_sybase_module.min_message_severity) {
php_error(E_WARNING,"Sybase message: %s (severity %d)",msgtext,severity);
}
STR_FREE(php_sybase_module.server_message);
php_sybase_module.server_message = estrdup(msgtext);
return 0;
}
static int _clean_invalid_results(list_entry *le TSRMLS_DC)
{
if (Z_TYPE_P(le) == php_sybase_module.le_result) {
sybase_link *sybase_ptr = ((sybase_result *) le->ptr)->sybase_ptr;
if (!sybase_ptr->valid) {
return 1;
}
}
return 0;
}
static void _free_sybase_result(zend_rsrc_list_entry *rsrc TSRMLS_DC)
{
sybase_result *result = (sybase_result *)rsrc->ptr;
int i,j;
if (result->data) {
for (i=0; i<result->num_rows; i++) {
for (j=0; j<result->num_fields; j++) {
zval_ptr_dtor(&result->data[i][j]);
}
efree(result->data[i]);
}
efree(result->data);
}
if (result->fields) {
for (i=0; i<result->num_fields; i++) {
STR_FREE(result->fields[i].name);
STR_FREE(result->fields[i].column_source);
}
efree(result->fields);
}
efree(result);
}
static void _close_sybase_link(zend_rsrc_list_entry *rsrc TSRMLS_DC)
{
sybase_link *sybase_ptr = (sybase_link *)rsrc->ptr;
sybase_ptr->valid = 0;
/*
this can cause crashes in the current model.
if the resource gets destroyed via destroy_resource_list() resource_list
will *not* be in a consistent state. thies@thieso.net
*/
zend_hash_apply(&EG(regular_list), (apply_func_t) _clean_invalid_results TSRMLS_CC);
dbclose(sybase_ptr->link);
dbloginfree(sybase_ptr->login);
efree(sybase_ptr);
php_sybase_module.num_links--;
}
static void _close_sybase_plink(zend_rsrc_list_entry *rsrc TSRMLS_DC)
{
sybase_link *sybase_ptr = (sybase_link *)rsrc->ptr;
dbclose(sybase_ptr->link);
dbloginfree(sybase_ptr->login);
free(sybase_ptr);
php_sybase_module.num_persistent--;
php_sybase_module.num_links--;
}
PHP_MINIT_FUNCTION(sybase)
{
char *interface_file;
if (dbinit()==FAIL) {
return FAILURE;
}
dberrhandle((EHANDLEFUNC) php_sybase_error_handler);
dbmsghandle((MHANDLEFUNC) php_sybase_message_handler);
if (cfg_get_string("sybase.interface_file",&interface_file)==SUCCESS) {
dbsetifile(interface_file);
}
if (cfg_get_long("sybase.allow_persistent",&php_sybase_module.allow_persistent)==FAILURE) {
php_sybase_module.allow_persistent=1;
}
if (cfg_get_long("sybase.max_persistent",&php_sybase_module.max_persistent)==FAILURE) {
php_sybase_module.max_persistent=-1;
}
if (cfg_get_long("sybase.max_links",&php_sybase_module.max_links)==FAILURE) {
php_sybase_module.max_links=-1;
}
if (cfg_get_long("sybase.min_error_severity",&php_sybase_module.cfg_min_error_severity)==FAILURE) {
php_sybase_module.cfg_min_error_severity=10;
}
if (cfg_get_long("sybase.min_message_severity",&php_sybase_module.cfg_min_message_severity)==FAILURE) {
php_sybase_module.cfg_min_message_severity=10;
}
if (cfg_get_long("sybase.compatability_mode",&php_sybase_module.compatability_mode)==FAILURE) {
php_sybase_module.compatability_mode = 0;
}
php_sybase_module.num_persistent=0;
php_sybase_module.le_link = zend_register_list_destructors_ex(_close_sybase_link, NULL, "sybase-db link", module_number);
php_sybase_module.le_plink = zend_register_list_destructors_ex(NULL, _close_sybase_plink, "sybase-db link persistent", module_number);
php_sybase_module.le_result = zend_register_list_destructors_ex(_free_sybase_result, NULL, "sybase-db result", module_number);
return SUCCESS;
}
PHP_RINIT_FUNCTION(sybase)
{
php_sybase_module.default_link=-1;
php_sybase_module.num_links = php_sybase_module.num_persistent;
php_sybase_module.appname = estrndup("PHP 4.0",7);
php_sybase_module.server_message = empty_string;
php_sybase_module.min_error_severity = php_sybase_module.cfg_min_error_severity;
php_sybase_module.min_message_severity = php_sybase_module.cfg_min_message_severity;
return SUCCESS;
}
PHP_MSHUTDOWN_FUNCTION(sybase)
{
dbexit();
return SUCCESS;
}
PHP_RSHUTDOWN_FUNCTION(sybase)
{
efree(php_sybase_module.appname);
STR_FREE(php_sybase_module.server_message);
return SUCCESS;
}
static void php_sybase_do_connect(INTERNAL_FUNCTION_PARAMETERS,int persistent)
{
char *user=NULL,*passwd=NULL,*host=NULL,*charset=NULL,*appname=NULL;
char *hashed_details;
int hashed_details_length;
sybase_link sybase,*sybase_ptr;
switch(ZEND_NUM_ARGS()) {
case 0: /* defaults */
hashed_details_length=6+3;
hashed_details = (char *) emalloc(hashed_details_length+1);
strcpy(hashed_details,"sybase___");
break;
case 1: {
pval *yyhost;
if (getParameters(ht, 1, &yyhost)==FAILURE) {
RETURN_FALSE;
}
convert_to_string(yyhost);
host = Z_STRVAL_P(yyhost);
hashed_details_length = Z_STRLEN_P(yyhost)+6+5;
hashed_details = (char *) emalloc(hashed_details_length+1);
sprintf(hashed_details,"sybase_%s____",Z_STRVAL_P(yyhost));
}
break;
case 2: {
pval *yyhost,*yyuser;
if (getParameters(ht, 2, &yyhost, &yyuser)==FAILURE) {
RETURN_FALSE;
}
convert_to_string(yyhost);
convert_to_string(yyuser);
host = Z_STRVAL_P(yyhost);
user = Z_STRVAL_P(yyuser);
hashed_details_length = Z_STRLEN_P(yyhost)+Z_STRLEN_P(yyuser)+6+5;
hashed_details = (char *) emalloc(hashed_details_length+1);
sprintf(hashed_details,"sybase_%s_%s___",Z_STRVAL_P(yyhost),Z_STRVAL_P(yyuser));
}
break;
case 3: {
pval *yyhost,*yyuser,*yypasswd;
if (getParameters(ht, 3, &yyhost, &yyuser, &yypasswd) == FAILURE) {
RETURN_FALSE;
}
convert_to_string(yyhost);
convert_to_string(yyuser);
convert_to_string(yypasswd);
host = Z_STRVAL_P(yyhost);
user = Z_STRVAL_P(yyuser);
passwd = Z_STRVAL_P(yypasswd);
hashed_details_length = Z_STRLEN_P(yyhost)+Z_STRLEN_P(yyuser)+Z_STRLEN_P(yypasswd)+6+5;
hashed_details = (char *) emalloc(hashed_details_length+1);
sprintf(hashed_details,"sybase_%s_%s_%s__",Z_STRVAL_P(yyhost),Z_STRVAL_P(yyuser),Z_STRVAL_P(yypasswd)); /* SAFE */
}
break;
case 4: {
pval *yyhost,*yyuser,*yypasswd,*yycharset;
if (getParameters(ht, 4, &yyhost, &yyuser, &yypasswd, &yycharset) == FAILURE) {
RETURN_FALSE;
}
convert_to_string(yyhost);
convert_to_string(yyuser);
convert_to_string(yypasswd);
convert_to_string(yycharset);
host = Z_STRVAL_P(yyhost);
user = Z_STRVAL_P(yyuser);
passwd = Z_STRVAL_P(yypasswd);
charset = Z_STRVAL_P(yycharset);
hashed_details_length = Z_STRLEN_P(yyhost)+Z_STRLEN_P(yyuser)+Z_STRLEN_P(yypasswd)+Z_STRLEN_P(yycharset)+6+5;
hashed_details = (char *) emalloc(hashed_details_length+1);
sprintf(hashed_details,"sybase_%s_%s_%s_%s_",Z_STRVAL_P(yyhost),Z_STRVAL_P(yyuser),Z_STRVAL_P(yypasswd),Z_STRVAL_P(yycharset)); /* SAFE */
}
break;
case 5: {
pval *yyhost,*yyuser,*yypasswd,*yycharset, *yyappname;
if (getParameters(ht, 5, &yyhost, &yyuser, &yypasswd, &yycharset, &yyappname) == FAILURE) {
RETURN_FALSE;
}
convert_to_string(yyhost);
convert_to_string(yyuser);
convert_to_string(yypasswd);
convert_to_string(yycharset);
convert_to_string(yyappname);
host = Z_STRVAL_P(yyhost);
user = Z_STRVAL_P(yyuser);
passwd = Z_STRVAL_P(yypasswd);
charset = Z_STRVAL_P(yycharset);
appname = Z_STRVAL_P(yyappname);
hashed_details_length = Z_STRLEN_P(yyhost)+Z_STRLEN_P(yyuser)+Z_STRLEN_P(yypasswd)+Z_STRLEN_P(yycharset)+Z_STRLEN_P(yyappname)+6+5;
hashed_details = (char *) emalloc(hashed_details_length+1);
sprintf(hashed_details,"sybase_%s_%s_%s_%s_%s",Z_STRVAL_P(yyhost),Z_STRVAL_P(yyuser),Z_STRVAL_P(yypasswd),Z_STRVAL_P(yycharset),Z_STRVAL_P(yyappname)); /* SAFE */
}
break;
default:
WRONG_PARAM_COUNT;
break;
}
/* set a DBLOGIN record */
if ((sybase.login=dblogin())==NULL) {
php_error(E_WARNING,"Sybase: Unable to allocate login record");
RETURN_FALSE;
}
if (user) {
DBSETLUSER(sybase.login,user);
}
if (passwd) {
DBSETLPWD(sybase.login,passwd);
}
if (charset) {
DBSETLCHARSET(sybase.login,charset);
}
if (appname) {
DBSETLAPP(sybase.login,appname);
} else {
DBSETLAPP(sybase.login,php_sybase_module.appname);
}
sybase.valid = 1;
if (!php_sybase_module.allow_persistent) {
persistent=0;
}
if (persistent) {
list_entry *le;
/* try to find if we already have this link in our persistent list */
if (zend_hash_find(&EG(persistent_list), hashed_details, hashed_details_length+1, (void **) &le)==FAILURE) { /* we don't */
list_entry new_le;
if (php_sybase_module.max_links!=-1 && php_sybase_module.num_links>=php_sybase_module.max_links) {
php_error(E_WARNING,"Sybase: Too many open links (%d)",php_sybase_module.num_links);
efree(hashed_details);
dbloginfree(sybase.login);
RETURN_FALSE;
}
if (php_sybase_module.max_persistent!=-1 && php_sybase_module.num_persistent>=php_sybase_module.max_persistent) {
php_error(E_WARNING,"Sybase: Too many open persistent links (%d)",php_sybase_module.num_persistent);
efree(hashed_details);
dbloginfree(sybase.login);
RETURN_FALSE;
}
/* create the link */
if ((sybase.link=PHP_SYBASE_DBOPEN(sybase.login,host))==FAIL) {
/*php_error(E_WARNING,"Sybase: Unable to connect to server: %s",sybase_error(sybase));*/
efree(hashed_details);
dbloginfree(sybase.login);
RETURN_FALSE;
}
if (dbsetopt(sybase.link,DBBUFFER,"2",-1)==FAIL) {
efree(hashed_details);
dbloginfree(sybase.login);
dbclose(sybase.link);
RETURN_FALSE;
}
/* hash it up */
sybase_ptr = (sybase_link *) malloc(sizeof(sybase_link));
memcpy(sybase_ptr,&sybase,sizeof(sybase_link));
Z_TYPE(new_le) = php_sybase_module.le_plink;
new_le.ptr = sybase_ptr;
if (zend_hash_update(&EG(persistent_list), hashed_details, hashed_details_length+1, (void *) &new_le, sizeof(list_entry),NULL)==FAILURE) {
free(sybase_ptr);
efree(hashed_details);
dbloginfree(sybase.login);
RETURN_FALSE;
}
php_sybase_module.num_persistent++;
php_sybase_module.num_links++;
} else { /* we do */
if (Z_TYPE_P(le) != php_sybase_module.le_plink) {
php_error(E_WARNING,"Sybase: Hashed persistent link is not a Sybase link!");
RETURN_FALSE;
}
sybase_ptr = (sybase_link *) le->ptr;
/* test that the link hasn't died */
if (DBDEAD(sybase_ptr->link)==TRUE) {
if ((sybase_ptr->link=PHP_SYBASE_DBOPEN(sybase_ptr->login,host))==FAIL) {
/*php_error(E_WARNING,"Sybase: Link to server lost, unable to reconnect");*/
zend_hash_del(&EG(persistent_list), hashed_details, hashed_details_length+1);
efree(hashed_details);
RETURN_FALSE;
}
if (dbsetopt(sybase_ptr->link,DBBUFFER,"2",-1)==FAIL) {
zend_hash_del(&EG(persistent_list), hashed_details, hashed_details_length+1);
efree(hashed_details);
RETURN_FALSE;
}
}
}
Z_LVAL_P(return_value) = zend_list_insert(sybase_ptr,php_sybase_module.le_plink);
Z_TYPE_P(return_value) = IS_LONG;
} else { /* non persistent */
list_entry *index_ptr,new_index_ptr;
/* first we check the hash for the hashed_details key. if it exists,
* it should point us to the right offset where the actual sybase link sits.
* if it doesn't, open a new sybase link, add it to the resource list,
* and add a pointer to it with hashed_details as the key.
*/
if (zend_hash_find(&EG(regular_list),hashed_details,hashed_details_length+1,(void **) &index_ptr)==SUCCESS) {
int type,link;
void *ptr;
if (Z_TYPE_P(index_ptr) != le_index_ptr) {
RETURN_FALSE;
}
link = (int) index_ptr->ptr;
ptr = zend_list_find(link,&type); /* check if the link is still there */
if (ptr && (type==php_sybase_module.le_link || type==php_sybase_module.le_plink)) {
Z_LVAL_P(return_value) = php_sybase_module.default_link = link;
Z_TYPE_P(return_value) = IS_LONG;
efree(hashed_details);
return;
} else {
zend_hash_del(&EG(regular_list),hashed_details,hashed_details_length+1);
}
}
if (php_sybase_module.max_links!=-1 && php_sybase_module.num_links>=php_sybase_module.max_links) {
php_error(E_WARNING,"Sybase: Too many open links (%d)",php_sybase_module.num_links);
efree(hashed_details);
RETURN_FALSE;
}
if ((sybase.link=PHP_SYBASE_DBOPEN(sybase.login,host))==NULL) {
/*php_error(E_WARNING,"Sybase: Unable to connect to server: %s",sybase_error(sybase));*/
efree(hashed_details);
RETURN_FALSE;
}
if (dbsetopt(sybase.link,DBBUFFER,"2",-1)==FAIL) {
efree(hashed_details);
dbloginfree(sybase.login);
dbclose(sybase.link);
RETURN_FALSE;
}
/* add it to the list */
sybase_ptr = (sybase_link *) emalloc(sizeof(sybase_link));
memcpy(sybase_ptr,&sybase,sizeof(sybase_link));
Z_LVAL_P(return_value) = zend_list_insert(sybase_ptr,php_sybase_module.le_link);
Z_TYPE_P(return_value) = IS_LONG;
/* add it to the hash */
new_index_ptr.ptr = (void *) Z_LVAL_P(return_value);
Z_TYPE(new_index_ptr) = le_index_ptr;
if (zend_hash_update(&EG(regular_list),hashed_details,hashed_details_length+1,(void *) &new_index_ptr, sizeof(list_entry),NULL)==FAILURE) {
efree(hashed_details);
RETURN_FALSE;
}
php_sybase_module.num_links++;
}
efree(hashed_details);
php_sybase_module.default_link=Z_LVAL_P(return_value);
}
static int php_sybase_get_default_link(INTERNAL_FUNCTION_PARAMETERS)
{
if (php_sybase_module.default_link==-1) { /* no link opened yet, implicitly open one */
ht = 0;
php_sybase_do_connect(INTERNAL_FUNCTION_PARAM_PASSTHRU,0);
}
return php_sybase_module.default_link;
}
/* {{{ proto int sybase_connect([string host [, string user [, string password [, string charset [, string appname]]]]])
Open Sybase server connection */
PHP_FUNCTION(sybase_connect)
{
php_sybase_do_connect(INTERNAL_FUNCTION_PARAM_PASSTHRU,0);
}
/* }}} */
/* {{{ proto int sybase_pconnect([string host [, string user [, string password [, string charset [, string appname]]]]])
Open persistent Sybase connection */
PHP_FUNCTION(sybase_pconnect)
{
php_sybase_do_connect(INTERNAL_FUNCTION_PARAM_PASSTHRU,1);
}
/* }}} */
/* {{{ proto bool sybase_close([int link_id])
Close Sybase connection */
PHP_FUNCTION(sybase_close)
{
pval *sybase_link_index;
int id,type;
switch (ZEND_NUM_ARGS()) {
case 0:
id = php_sybase_module.default_link;
break;
case 1:
if (getParameters(ht, 1, &sybase_link_index)==FAILURE) {
RETURN_FALSE;
}
convert_to_long(sybase_link_index);
id = Z_LVAL_P(sybase_link_index);
break;
default:
WRONG_PARAM_COUNT;
break;
}
zend_list_find(id,&type);
if (type!=php_sybase_module.le_link && type!=php_sybase_module.le_plink) {
php_error(E_WARNING,"%d is not a Sybase link index",id);
RETURN_FALSE;
}
zend_list_delete(id);
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool sybase_select_db(string database [, int link_id])
Select Sybase database */
PHP_FUNCTION(sybase_select_db)
{
pval *db,*sybase_link_index;
int id,type;
sybase_link *sybase_ptr;
switch(ZEND_NUM_ARGS()) {
case 1:
if (getParameters(ht, 1, &db)==FAILURE) {
RETURN_FALSE;
}
id = php_sybase_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU);
break;
case 2:
if (getParameters(ht, 2, &db, &sybase_link_index)==FAILURE) {
RETURN_FALSE;
}
convert_to_long(sybase_link_index);
id = Z_LVAL_P(sybase_link_index);
break;
default:
WRONG_PARAM_COUNT;
break;
}
CHECK_LINK(id);
sybase_ptr = (sybase_link *) zend_list_find(id,&type);
if (type!=php_sybase_module.le_link && type!=php_sybase_module.le_plink) {
php_error(E_WARNING,"%d is not a Sybase link index",id);
RETURN_FALSE;
}
convert_to_string(db);
if (dbuse(sybase_ptr->link,Z_STRVAL_P(db))==FAIL) {
/*php_error(E_WARNING,"Sybase: Unable to select database: %s",sybase_error(sybase));*/
RETURN_FALSE;
} else {
RETURN_TRUE;
}
}
/* }}} */
static void php_sybase_get_column_content(sybase_link *sybase_ptr,int offset,pval **result_ptr, int column_type)
{
zval *result;
ALLOC_INIT_ZVAL(result);
*result_ptr = result;
if (dbdatlen(sybase_ptr->link,offset) == 0) {
ZVAL_FALSE(result);
return;
}
switch (column_type)
{
case SYBINT2:
case SYBINT4: {
Z_LVAL_P(result) = (long) anyintcol(offset);
Z_TYPE_P(result) = IS_LONG;
break;
}
case SYBCHAR:
case SYBTEXT: {
int length;
char *data = charcol(offset);
length=dbdatlen(sybase_ptr->link,offset);
while (length>0 && charcol(offset)[length-1] == ' ') { /* nuke trailing whitespace */
length--;
}
Z_STRVAL_P(result) = estrndup(data,length);
Z_STRLEN_P(result) = length;
Z_TYPE_P(result) = IS_STRING;
break;
}
/*case SYBFLT8:*/
case SYBREAL: {
Z_DVAL_P(result) = (double) floatcol(offset);
Z_TYPE_P(result) = IS_DOUBLE;
break;
}
default: {
if (dbwillconvert(coltype(offset),SYBCHAR)) {
char *res_buf;
int res_length = dbdatlen(sybase_ptr->link,offset);
register char *p;
switch (coltype(offset)) {
case SYBBINARY:
case SYBVARBINARY:
case SYBCHAR:
case SYBVARCHAR:
case SYBTEXT:
case SYBIMAGE:
break;
default:
/* take no chances, no telling how big the result would really be */
res_length += 20;
break;
}
res_buf = (char *) emalloc(res_length+1);
memset(res_buf,' ',res_length+1); /* XXX i'm sure there's a better way
but i don't have sybase here to test
991105 thies@thieso.net */
dbconvert(NULL,coltype(offset),dbdata(sybase_ptr->link,offset), res_length,SYBCHAR,res_buf,-1);
/* get rid of trailing spaces */
p = res_buf + res_length;
while (*p == ' ') {
p--;
res_length--;
}
*(++p) = 0; /* put a trailing NULL */
Z_STRLEN_P(result) = res_length;
Z_STRVAL_P(result) = res_buf;
Z_TYPE_P(result) = IS_STRING;
} else {
php_error(E_WARNING,"Sybase: column %d has unknown data type (%d)", offset, coltype(offset));
ZVAL_FALSE(result);
}
}
}
}
/* {{{ proto int sybase_query(string query [, int link_id])
Send Sybase query */
PHP_FUNCTION(sybase_query)
{
pval *query,*sybase_link_index;
int id,type,retvalue;
sybase_link *sybase_ptr;
sybase_result *result;
int num_fields;
int blocks_initialized=1;
int i,j;
int *column_types;
switch(ZEND_NUM_ARGS()) {
case 1:
if (getParameters(ht, 1, &query)==FAILURE) {
RETURN_FALSE;
}
id = php_sybase_module.default_link;
break;
case 2:
if (getParameters(ht, 2, &query, &sybase_link_index)==FAILURE) {
RETURN_FALSE;
}
convert_to_long(sybase_link_index);
id = Z_LVAL_P(sybase_link_index);
break;
default:
WRONG_PARAM_COUNT;
break;
}
sybase_ptr = (sybase_link *) zend_list_find(id,&type);
if (type!=php_sybase_module.le_link && type!=php_sybase_module.le_plink) {
php_error(E_WARNING,"%d is not a Sybase link index",id);
RETURN_FALSE;
}
convert_to_string(query);
if (dbcmd(sybase_ptr->link,Z_STRVAL_P(query))==FAIL) {
/*php_error(E_WARNING,"Sybase: Unable to set query");*/
RETURN_FALSE;
}
if (dbsqlexec(sybase_ptr->link)==FAIL || dbresults(sybase_ptr->link)==FAIL) {
/*php_error(E_WARNING,"Sybase: Query failed");*/
RETURN_FALSE;
}
/* The following is more or less the equivalent of mysql_store_result().
* fetch all rows from the server into the row buffer, thus:
* 1) Being able to fire up another query without explicitly reading all rows
* 2) Having numrows accessible
*/
retvalue=dbnextrow(sybase_ptr->link);
if (retvalue==FAIL) {
RETURN_FALSE;
}
num_fields = dbnumcols(sybase_ptr->link);
if (num_fields<=0) {
RETURN_TRUE;
}
column_types = (int *) emalloc(sizeof(int) * num_fields);
for (i=0; i<num_fields; i++) {
column_types[i] = coltype(i+1);
}
result = (sybase_result *) emalloc(sizeof(sybase_result));
result->data = (pval ***) emalloc(sizeof(pval **)*SYBASE_ROWS_BLOCK);
result->sybase_ptr = sybase_ptr;
result->cur_field=result->cur_row=result->num_rows=0;
result->num_fields = num_fields;
i=0;
while (retvalue!=FAIL && retvalue!=NO_MORE_ROWS) {
result->num_rows++;
if (result->num_rows > blocks_initialized*SYBASE_ROWS_BLOCK) {
result->data = (pval ***) erealloc(result->data,sizeof(pval **)*SYBASE_ROWS_BLOCK*(++blocks_initialized));
}
result->data[i] = (pval **) emalloc(sizeof(pval *)*num_fields);
for (j=1; j<=num_fields; j++) {
php_sybase_get_column_content(sybase_ptr, j, &result->data[i][j-1], column_types[j-1]);
if (!php_sybase_module.compatability_mode) {
zval *cur_value = result->data[i][j-1];
convert_to_string(cur_value);
if (PG(magic_quotes_runtime)) {
Z_STRVAL_P(cur_value) = php_addslashes(Z_STRVAL_P(cur_value), Z_STRLEN_P(cur_value), &Z_STRLEN_P(cur_value),0 TSRMLS_CC);
}
}
}
retvalue=dbnextrow(sybase_ptr->link);
dbclrbuf(sybase_ptr->link,DBLASTROW(sybase_ptr->link)-1);
i++;
}
result->num_rows = DBCOUNT(sybase_ptr->link);
result->fields = (sybase_field *) emalloc(sizeof(sybase_field)*num_fields);
j=0;
for (i=0; i<num_fields; i++) {
char *fname = dbcolname(sybase_ptr->link,i+1);
char computed_buf[16];
if (*fname) {
result->fields[i].name = estrdup(fname);
} else {
if (j>0) {
snprintf(computed_buf,16,"computed%d",j);
} else {
strcpy(computed_buf,"computed");
}
result->fields[i].name = estrdup(computed_buf);
j++;
}
result->fields[i].max_length = dbcollen(sybase_ptr->link,i+1);
result->fields[i].column_source = estrdup(dbcolsource(sybase_ptr->link,i+1));
if (!result->fields[i].column_source) {
result->fields[i].column_source = empty_string;
}
Z_TYPE(result->fields[i]) = column_types[i];
/* set numeric flag */
switch (column_types[i]) {
case SYBINT2:
case SYBINT4:
case SYBFLT8:
case SYBREAL:
result->fields[i].numeric = 1;
break;
case SYBCHAR:
case SYBTEXT:
default:
result->fields[i].numeric = 0;
break;
}
}
efree(column_types);
Z_LVAL_P(return_value) = zend_list_insert(result,php_sybase_module.le_result);
Z_TYPE_P(return_value) = IS_LONG;
}
/* }}} */
/* {{{ proto bool sybase_free_result(int result)
Free result memory */
PHP_FUNCTION(sybase_free_result)
{
pval *sybase_result_index;
sybase_result *result;
int type;
if (ZEND_NUM_ARGS()!=1 || getParameters(ht, 1, &sybase_result_index)==FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_long(sybase_result_index);
if (Z_LVAL_P(sybase_result_index)==0) {
RETURN_FALSE;
}
result = (sybase_result *) zend_list_find(Z_LVAL_P(sybase_result_index),&type);
if (type!=php_sybase_module.le_result) {
php_error(E_WARNING,"%d is not a Sybase result index",Z_LVAL_P(sybase_result_index));
RETURN_FALSE;
}
zend_list_delete(Z_LVAL_P(sybase_result_index));
RETURN_TRUE;
}
/* }}} */
/* {{{ proto string sybase_get_last_message(void)
Returns the last message from server (over min_message_severity) */
PHP_FUNCTION(sybase_get_last_message)
{
RETURN_STRING(php_sybase_module.server_message,1);
}
/* }}} */
/* {{{ proto int sybase_num_rows(int result)
Get number of rows in result */
PHP_FUNCTION(sybase_num_rows)
{
pval *result_index;
int type,id;
sybase_result *result;
if (ZEND_NUM_ARGS()!=1 || getParameters(ht, 1, &result_index)==FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_long(result_index);
id = Z_LVAL_P(result_index);
result = (sybase_result *) zend_list_find(id,&type);
if (type!=php_sybase_module.le_result) {
php_error(E_WARNING,"%d is not a Sybase result index",id);
RETURN_FALSE;
}
Z_LVAL_P(return_value) = result->num_rows;
Z_TYPE_P(return_value) = IS_LONG;
}
/* }}} */
/* {{{ proto int sybase_num_fields(int result)
Get number of fields in result */
PHP_FUNCTION(sybase_num_fields)
{
pval *result_index;
int type,id;
sybase_result *result;
if (ZEND_NUM_ARGS()!=1 || getParameters(ht, 1, &result_index)==FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_long(result_index);
id = Z_LVAL_P(result_index);
result = (sybase_result *) zend_list_find(id,&type);
if (type!=php_sybase_module.le_result) {
php_error(E_WARNING,"%d is not a Sybase result index",id);
RETURN_FALSE;
}
Z_LVAL_P(return_value) = result->num_fields;
Z_TYPE_P(return_value) = IS_LONG;
}
/* }}} */
/* {{{ proto array sybase_fetch_row(int result)
Get row as enumerated array */
PHP_FUNCTION(sybase_fetch_row)
{
pval *sybase_result_index;
int type,i,id;
sybase_result *result;
pval *field_content;
if (ZEND_NUM_ARGS()!=1 || getParameters(ht, 1, &sybase_result_index)==FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_long(sybase_result_index);
id = Z_LVAL_P(sybase_result_index);
result = (sybase_result *) zend_list_find(id,&type);
if (type!=php_sybase_module.le_result) {
php_error(E_WARNING,"%d is not a Sybase result index",id);
RETURN_FALSE;
}
if (result->cur_row >= result->num_rows) {
RETURN_FALSE;
}
array_init(return_value);
for (i=0; i<result->num_fields; i++) {
ZVAL_ADDREF(result->data[result->cur_row][i]);
zend_hash_index_update(Z_ARRVAL_P(return_value), i, (void *) &result->data[result->cur_row][i], sizeof(pval *), NULL);
}
result->cur_row++;
}
/* }}} */
static void php_sybase_fetch_hash(INTERNAL_FUNCTION_PARAMETERS)
{
pval *sybase_result_index;
sybase_result *result;
int type;
int i;
if (ZEND_NUM_ARGS()!=1 || getParameters(ht, 1, &sybase_result_index)==FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_long(sybase_result_index);
result = (sybase_result *) zend_list_find(Z_LVAL_P(sybase_result_index),&type);
if (type!=php_sybase_module.le_result) {
php_error(E_WARNING,"%d is not a Sybase result index",Z_LVAL_P(sybase_result_index));
RETURN_FALSE;
}
if (result->cur_row >= result->num_rows) {
RETURN_FALSE;
}
if (array_init(return_value)==FAILURE) {
RETURN_FALSE;
}
for (i=0; i<result->num_fields; i++) {
ZVAL_ADDREF(result->data[result->cur_row][i]);
zend_hash_index_update(Z_ARRVAL_P(return_value), i, (void *) &result->data[result->cur_row][i], sizeof(pval *), NULL);
ZVAL_ADDREF(result->data[result->cur_row][i]);
zend_hash_update(Z_ARRVAL_P(return_value), result->fields[i].name, strlen(result->fields[i].name)+1, (void *) &result->data[result->cur_row][i], sizeof(pval *), NULL);
}
result->cur_row++;
}
/* {{{ proto object sybase_fetch_object(int result)
Fetch row as object */
PHP_FUNCTION(sybase_fetch_object)
{
php_sybase_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU);
if (Z_TYPE_P(return_value)==IS_ARRAY) {
Z_TYPE_P(return_value)=IS_OBJECT;
Z_OBJPROP_P(return_value) = Z_ARRVAL_P(return_value);
Z_OBJCE_P(return_value) = ZEND_STANDARD_CLASS_DEF_PTR;
}
}
/* }}} */
/* {{{ proto array sybase_fetch_array(int result)
Fetch row as array */
PHP_FUNCTION(sybase_fetch_array)
{
php_sybase_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU);
}
/* }}} */
/* {{{ proto bool sybase_data_seek(int result, int offset)
Move internal row pointer */
PHP_FUNCTION(sybase_data_seek)
{
pval *sybase_result_index,*offset;
int type,id;
sybase_result *result;
if (ZEND_NUM_ARGS()!=2 || getParameters(ht, 2, &sybase_result_index, &offset)==FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_long(sybase_result_index);
id = Z_LVAL_P(sybase_result_index);
result = (sybase_result *) zend_list_find(id,&type);
if (type!=php_sybase_module.le_result) {
php_error(E_WARNING,"%d is not a Sybase result index",id);
RETURN_FALSE;
}
convert_to_long(offset);
if (Z_LVAL_P(offset)<0 || Z_LVAL_P(offset)>=result->num_rows) {
php_error(E_WARNING,"Sybase: Bad row offset");
RETURN_FALSE;
}
result->cur_row = Z_LVAL_P(offset);
RETURN_TRUE;
}
/* }}} */
static char *php_sybase_get_field_name(int type)
{
switch (type) {
case SYBBINARY:
case SYBVARBINARY:
return "blob";
break;
case SYBCHAR:
case SYBVARCHAR:
case SYBTEXT:
return "string";
case SYBDATETIME:
case SYBDATETIME4:
case SYBDATETIMN:
return "datetime";
break;
case SYBDECIMAL:
case SYBFLT8:
case SYBFLTN:
case SYBREAL:
case SYBNUMERIC:
return "real";
break;
case SYBINT1:
case SYBINT2:
case SYBINT4:
case SYBINTN:
return "int";
break;
case SYBMONEY:
case SYBMONEY4:
case SYBMONEYN:
return "money";
break;
case SYBBIT:
return "bit";
break;
case SYBIMAGE:
return "image";
break;
default:
return "unknown";
break;
}
}
/* {{{ proto object sybase_fetch_field(int result [, int offset])
Get field information */
PHP_FUNCTION(sybase_fetch_field)
{
pval *sybase_result_index,*offset;
int type,id,field_offset;
sybase_result *result;
switch (ZEND_NUM_ARGS()) {
case 1:
if (getParameters(ht, 1, &sybase_result_index)==FAILURE) {
RETURN_FALSE;
}
field_offset=-1;
break;
case 2:
if (getParameters(ht, 2, &sybase_result_index, &offset)==FAILURE) {
RETURN_FALSE;
}
convert_to_long(offset);
field_offset = Z_LVAL_P(offset);
break;
default:
WRONG_PARAM_COUNT;
break;
}
convert_to_long(sybase_result_index);
id = Z_LVAL_P(sybase_result_index);
result = (sybase_result *) zend_list_find(id,&type);
if (type!=php_sybase_module.le_result) {
php_error(E_WARNING,"%d is not a Sybase result index",id);
RETURN_FALSE;
}
if (field_offset==-1) {
field_offset = result->cur_field;
result->cur_field++;
}
if (field_offset<0 || field_offset >= result->num_fields) {
if (ZEND_NUM_ARGS()==2) { /* field specified explicitly */
php_error(E_WARNING,"Sybase: Bad column offset");
}
RETURN_FALSE;
}
if (object_init(return_value)==FAILURE) {
RETURN_FALSE;
}
add_property_string(return_value, "name",result->fields[field_offset].name, 1);
add_property_long(return_value, "max_length",result->fields[field_offset].max_length);
add_property_string(return_value, "column_source",result->fields[field_offset].column_source, 1);
add_property_long(return_value, "numeric", result->fields[field_offset].numeric);
add_property_string(return_value, "type", php_sybase_get_field_name(Z_TYPE(result->fields[field_offset])), 1);
}
/* }}} */
/* {{{ proto bool sybase_field_seek(int result, int offset)
Set field offset */
PHP_FUNCTION(sybase_field_seek)
{
pval *sybase_result_index,*offset;
int type,id,field_offset;
sybase_result *result;
if (ZEND_NUM_ARGS()!=2 || getParameters(ht, 2, &sybase_result_index, &offset)==FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_long(sybase_result_index);
id = Z_LVAL_P(sybase_result_index);
result = (sybase_result *) zend_list_find(id,&type);
if (type!=php_sybase_module.le_result) {
php_error(E_WARNING,"%d is not a Sybase result index",id);
RETURN_FALSE;
}
convert_to_long(offset);
field_offset = Z_LVAL_P(offset);
if (field_offset<0 || field_offset >= result->num_fields) {
php_error(E_WARNING,"Sybase: Bad column offset");
RETURN_FALSE;
}
result->cur_field = field_offset;
RETURN_TRUE;
}
/* }}} */
/* {{{ proto string sybase_result(int result, int row, mixed field)
Get result data */
PHP_FUNCTION(sybase_result)
{
pval *row, *field, *sybase_result_index;
int id,type,field_offset=0;
sybase_result *result;
if (ZEND_NUM_ARGS()!=3 || getParameters(ht, 3, &sybase_result_index, &row, &field)==FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_long(sybase_result_index);
id = Z_LVAL_P(sybase_result_index);
result = (sybase_result *) zend_list_find(id,&type);
if (type!=php_sybase_module.le_result) {
php_error(E_WARNING,"%d is not a Sybase result index",id);
RETURN_FALSE;
}
convert_to_long(row);
if (Z_LVAL_P(row)<0 || Z_LVAL_P(row)>=result->num_rows) {
php_error(E_WARNING,"Sybase: Bad row offset (%d)",Z_LVAL_P(row));
RETURN_FALSE;
}
switch(Z_TYPE_P(field)) {
case IS_STRING: {
int i;
for (i=0; i<result->num_fields; i++) {
if (!strcasecmp(result->fields[i].name,Z_STRVAL_P(field))) {
field_offset = i;
break;
}
}
if (i>=result->num_fields) { /* no match found */
php_error(E_WARNING,"Sybase: %s field not found in result",Z_STRVAL_P(field));
RETURN_FALSE;
}
break;
}
default:
convert_to_long(field);
field_offset = Z_LVAL_P(field);
if (field_offset<0 || field_offset>=result->num_fields) {
php_error(E_WARNING,"Sybase: Bad column offset specified");
RETURN_FALSE;
}
break;
}
*return_value = *result->data[Z_LVAL_P(row)][field_offset];
pval_copy_constructor(return_value);
}
/* }}} */
/* {{{ proto int sybase_affected_rows([int link_id])
Get number of affected rows in last query */
PHP_FUNCTION(sybase_affected_rows)
{
pval *sybase_link_index = NULL;
sybase_link *sybase_ptr = NULL;
int id = 0;
int type = 0;
switch(ZEND_NUM_ARGS())
{
case 0:
{
id = php_sybase_module.default_link;
}
break;
case 1:
{
if (getParameters(ht, 1, &sybase_link_index)==FAILURE)
{
RETURN_FALSE;
}
convert_to_long(sybase_link_index);
id = Z_LVAL_P(sybase_link_index);
}
break;
default:
{
WRONG_PARAM_COUNT;
}
break;
}
sybase_ptr = (sybase_link *)zend_list_find(id, &type);
if(type!=php_sybase_module.le_link && type!=php_sybase_module.le_plink)
{
php_error(E_WARNING,"%d is not a Sybase link index",id);
RETURN_FALSE;
}
Z_LVAL_P(return_value) = DBCOUNT(sybase_ptr->link);
Z_TYPE_P(return_value) = IS_LONG;
}
PHP_MINFO_FUNCTION(sybase)
{
char maxp[32], maxl[32];
if (php_sybase_module.max_persistent==-1) {
snprintf(maxp, 31, "%ld/unlimited", php_sybase_module.num_persistent );
} else {
snprintf(maxp, 31, "%ld/%ld", php_sybase_module.num_persistent, php_sybase_module.max_persistent);
}
maxp[31]=0;
if (php_sybase_module.max_links==-1) {
snprintf(maxl, 31, "%ld/unlimited", php_sybase_module.num_links );
} else {
snprintf(maxl, 31, "%ld/%ld", php_sybase_module.num_links, php_sybase_module.max_links);
}
maxl[31]=0;
php_info_print_table_start();
php_info_print_table_row(2, "Sybase Support", "enabled");
php_info_print_table_row(2, "Allow Persistent Links", (php_sybase_module.allow_persistent?"Yes":"No") );
php_info_print_table_row(2, "Persistent Links", maxp);
php_info_print_table_row(2, "Total Links", maxl);
php_info_print_table_row(2, "Application Name", php_sybase_module.appname );
php_info_print_table_row(2, "Client API Version", dbversion() );
php_info_print_table_end();
}
/* {{{ proto void sybase_min_error_severity(int severity)
Sets the minimum error severity */
PHP_FUNCTION(sybase_min_error_severity)
{
pval *severity;
if (ZEND_NUM_ARGS()!=1 || getParameters(ht, 1, &severity)==FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_long(severity);
php_sybase_module.min_error_severity = Z_LVAL_P(severity);
}
/* }}} */
/* {{{ proto void sybase_min_message_severity(int severity)
Sets the minimum message severity */
PHP_FUNCTION(sybase_min_message_severity)
{
pval *severity;
if (ZEND_NUM_ARGS()!=1 || getParameters(ht, 1, &severity)==FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_long(severity);
php_sybase_module.min_message_severity = Z_LVAL_P(severity);
}
/* }}} */
#endif
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