php-src/ext/standard/dir.c
Andi Gutmans 14d9a59f1c - Make dir functions compile in Win32
- Fix too early memory manager initialization (For you Thies)
1999-09-05 19:04:40 +00:00

278 lines
6.9 KiB
C

/*
+----------------------------------------------------------------------+
| PHP version 4.0 |
+----------------------------------------------------------------------+
| Copyright (c) 1997, 1998, 1999 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 2.0 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_0.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: |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#include "php.h"
#include "fopen-wrappers.h"
#include "php3_dir.h"
#ifdef HAVE_DIRENT_H
# include <dirent.h>
#endif
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <errno.h>
#if WIN32||WINNT
#define NEEDRDH 1
#include "win32/readdir.h"
#endif
static int dirp_id = 0;
static int le_dirp;
static zend_class_entry *dir_class_entry_ptr;
static zend_function_entry php_dir_functions[] = {
PHP_FE(opendir, NULL)
PHP_FE(closedir, NULL)
PHP_FE(chdir, NULL)
PHP_FE(rewinddir, NULL)
PHP_FE(readdir, NULL)
PHP_FALIAS(dir, getdir, NULL)
{NULL, NULL, NULL}
};
static zend_function_entry php_dir_class_functions[] = {
PHP_FALIAS(close, closedir, NULL)
PHP_FALIAS(rewind, rewinddir, NULL)
PHP_FALIAS(read, readdir, NULL)
{NULL, NULL, NULL}
};
php3_module_entry php3_dir_module_entry = {
"PHP_dir", php_dir_functions, PHP_MINIT(dir), NULL, NULL, NULL, NULL, STANDARD_MODULE_PROPERTIES
};
PHP_MINIT_FUNCTION(dir)
{
zend_class_entry dir_class_entry;
le_dirp = register_list_destructors(closedir,NULL);
INIT_CLASS_ENTRY(dir_class_entry, "Directory", php_dir_class_functions);
dir_class_entry_ptr = register_internal_class(&dir_class_entry);
return SUCCESS;
}
/* {{{ proto int opendir(string path)
Open a directory and return a dir_handle */
PHP_FUNCTION(opendir)
{
pval *arg;
DIR *dirp;
int ret;
if (ARG_COUNT(ht) != 1 || getParameters(ht, 1, &arg) == FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_string(arg);
/* Check open_basedir */
if (_php3_check_open_basedir(arg->value.str.val)) RETURN_FALSE;
dirp = opendir(arg->value.str.val);
if (!dirp) {
php_error(E_WARNING, "OpenDir: %s (errno %d)", strerror(errno),errno);
RETURN_FALSE;
}
ret = php3_list_insert(dirp, le_dirp);
dirp_id = ret;
RETURN_LONG(ret);
}
/* }}} */
/* {{{ proto void closedir([int dir_handle])
Close directory connection identified by the dir_handle */
PHP_FUNCTION(closedir)
{
pval *id, **tmp;
int id_to_find;
DIR *dirp;
int dirp_type;
if (ARG_COUNT(ht) == 0) {
id = getThis();
if (id) {
if (zend_hash_find(id->value.obj.properties, "handle", sizeof("handle"), (void **)&tmp) == FAILURE) {
php_error(E_WARNING, "unable to find my handle property");
RETURN_FALSE;
}
id_to_find = (*tmp)->value.lval;
} else {
id_to_find = dirp_id;
}
} else if ((ARG_COUNT(ht) != 1) || getParameters(ht, 1, &id) == FAILURE) {
WRONG_PARAM_COUNT;
} else {
convert_to_long(id);
id_to_find = id->value.lval;
}
dirp = (DIR *)php3_list_find(id_to_find, &dirp_type);
if (!dirp || dirp_type != le_dirp) {
php_error(E_WARNING, "unable to find identifier (%d)", id_to_find);
RETURN_FALSE;
}
php3_list_delete(id_to_find);
}
/* }}} */
/* {{{ proto int chdir(string directory)
Change the current directory */
PHP_FUNCTION(chdir)
{
pval *arg;
int ret;
if (ARG_COUNT(ht) != 1 || getParameters(ht, 1, &arg) == FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_string(arg);
ret = chdir(arg->value.str.val);
if (ret < 0) {
php_error(E_WARNING, "ChDir: %s (errno %d)", strerror(errno), errno);
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto void rewinddir([int dir_handle])
Rewind dir_handle back to the start */
PHP_FUNCTION(rewinddir)
{
pval *id, **tmp;
int id_to_find;
DIR *dirp;
int dirp_type;
if (ARG_COUNT(ht) == 0) {
id = getThis();
if (id) {
if (zend_hash_find(id->value.obj.properties, "handle", sizeof("handle"), (void **)&tmp) == FAILURE) {
php_error(E_WARNING, "unable to find my handle property");
RETURN_FALSE;
}
id_to_find = (*tmp)->value.lval;
} else {
id_to_find = dirp_id;
}
} else if ((ARG_COUNT(ht) != 1) || getParameters(ht, 1, &id) == FAILURE) {
WRONG_PARAM_COUNT;
} else {
convert_to_long(id);
id_to_find = id->value.lval;
}
dirp = (DIR *)php3_list_find(id_to_find, &dirp_type);
if (!dirp || dirp_type != le_dirp) {
php_error(E_WARNING, "unable to find identifier (%d)", id_to_find);
RETURN_FALSE;
}
rewinddir(dirp);
}
/* }}} */
/* {{{ proto string readdir([int dir_handle])
Read directory entry from dir_handle */
PHP_FUNCTION(readdir)
{
pval *id, **tmp;
int id_to_find;
DIR *dirp;
int dirp_type;
struct dirent *direntp;
if (ARG_COUNT(ht) == 0) {
id = getThis();
if (id) {
if (zend_hash_find(id->value.obj.properties, "handle", sizeof("handle"), (void **)&tmp) == FAILURE) {
php_error(E_WARNING, "unable to find my handle property");
RETURN_FALSE;
}
id_to_find = (*tmp)->value.lval;
} else {
id_to_find = dirp_id;
}
} else if ((ARG_COUNT(ht) != 1) || getParameters(ht, 1, &id) == FAILURE) {
WRONG_PARAM_COUNT;
} else {
convert_to_long(id);
id_to_find = id->value.lval;
}
dirp = (DIR *)php3_list_find(id_to_find, &dirp_type);
if (!dirp || dirp_type != le_dirp) {
php_error(E_WARNING, "unable to find identifier (%d)", id_to_find);
RETURN_FALSE;
}
direntp = readdir(dirp);
if (direntp) {
RETURN_STRINGL(direntp->d_name, strlen(direntp->d_name), 1);
}
RETURN_FALSE;
}
/* }}} */
/* {{{ proto class dir(string directory)
Directory class with properties, handle and class and methods read, rewind and close */
PHP_FUNCTION(getdir)
{
pval *arg;
DIR *dirp;
int ret;
if (ARG_COUNT(ht) != 1 || getParameters(ht, 1, &arg) == FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_string(arg);
/* Check open_basedir */
if (_php3_check_open_basedir(arg->value.str.val)) RETURN_FALSE;
dirp = opendir(arg->value.str.val);
if (!dirp) {
php_error(E_WARNING, "OpenDir: %s (errno %d)", strerror(errno), errno);
RETURN_FALSE;
}
ret = php3_list_insert(dirp, le_dirp);
dirp_id = ret;
/* construct an object with some methods */
object_init_ex(return_value, dir_class_entry_ptr);
add_property_long(return_value, "handle", ret);
add_property_stringl(return_value, "path", arg->value.str.val, arg->value.str.len, 1);
}
/* }}} */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
*/