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- Move virtual cwd to TSRM. 

In the least this still doesn't work on Windows.
PHP-4.0.5
Andi Gutmans 26 years ago
parent
b378ecda30
commit
daf926cf5b
6 changed files with 992 additions and 1 deletions
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  1. 2
      TSRM/Makefile.am
  2. 6
      TSRM/configure.in
  3. 62
      TSRM/tsrm_strtok_r.c
  4. 6
      TSRM/tsrm_strtok_r.h
  5. 772
      TSRM/tsrm_virtual_cwd.c
  6. 145
      TSRM/tsrm_virtual_cwd.h

2
TSRM/Makefile.am
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@ -1,6 +1,6 @@
## process this file with automake to produce Makefile.am
AUTOMAKE_OPTIONS=foreign
noinst_LTLIBRARIES=libtsrm.la
libtsrm_la_SOURCES = TSRM.c
libtsrm_la_SOURCES = TSRM.c tsrm_strtok_r.c tsrm_virtual_cwd.c
depend:

6
TSRM/configure.in
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@ -19,6 +19,12 @@ fi
dnl TSRM_PTHREAD
AC_CHECK_HEADERS(
utime.h \
dirent.h \
stdarg.h
)
AC_DEFINE(ZTS,1,[ ])
AC_OUTPUT(Makefile)

62
TSRM/tsrm_strtok_r.c
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@ -0,0 +1,62 @@
#include "tsrm_strtok_r.h"
#include <stdio.h>
static inline int in_character_class(char ch, const char *delim)
{
while (*delim) {
if (*delim == ch) {
return 1;
}
delim++;
}
return 0;
}
char *tsrm_strtok_r(char *s, const char *delim, char **last)
{
char *token;
if (s == NULL) {
s = *last;
}
while (*s && in_character_class(*s, delim)) {
s++;
}
if (!*s) {
return NULL;
}
token = s;
while (*s && !in_character_class(*s, delim)) {
s++;
}
if (!*s) {
*last = s;
} else {
*s = '\0';
*last = s + 1;
}
return token;
}
#if 0
main()
{
char foo[] = "/foo/bar//\\barbara";
char *last;
char *token;
token = tsrm_strtok_r(foo, "/\\", &last);
while (token) {
printf ("Token = '%s'\n", token);
token = tsrm_strtok_r(NULL, "/\\", &last);
}
return 0;
}
#endif

6
TSRM/tsrm_strtok_r.h
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@ -0,0 +1,6 @@
#ifndef TSRM_STRTOK_R
#define TSRM_STRTOK_R
char *tsrm_strtok_r(char *s, const char *delim, char **last);
#endif

772
TSRM/tsrm_virtual_cwd.c
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@ -0,0 +1,772 @@
/*
+----------------------------------------------------------------------+
| PHP version 4.0 |
+----------------------------------------------------------------------+
| Copyright (c) 1997, 1998, 1999, 2000 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: Andi Gutmans <andi@zend.com> |
| Sascha Schumann <sascha@schumann.cx> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#include <sys/types.h>
#include <sys/stat.h>
#include <string.h>
#include <stdio.h>
#include <limits.h>
#include <errno.h>
#include <stdlib.h>
#include <fcntl.h>
#include "tsrm_config.h"
#include "tsrm_strtok_r.h"
#include "tsrm_virtual_cwd.h"
/* Are we doing enough to detect this? */
#ifndef MAXPATHLEN
#define MAXPATHLEN 256
#endif
#ifndef do_alloca
# if (HAVE_ALLOCA || (defined (__GNUC__) && __GNUC__ >= 2)) && !(defined(ZTS) && defined(TSRM_WIN32))
# define do_alloca(p) alloca(p)
# define free_alloca(p)
# else
# define do_alloca(p) emalloc(p)
# define free_alloca(p) efree(p)
# endif
#endif
#ifdef TSRM_WIN32
/* mode_t isn't defined on Windows */
typedef int mode_t;
#include <sys/utime.h>
#endif
#define VIRTUAL_CWD_DEBUG 0
#ifdef ZTS
#include "TSRM.h"
#endif
/* Only need mutex for popen() in Windows because it doesn't chdir() on UNIX */
#if defined(TSRM_WIN32) && defined(ZTS)
MUTEX_T cwd_mutex;
#endif
#ifdef ZTS
static ts_rsrc_id cwd_globals_id;
#else
static virtual_cwd_globals cwd_globals;
#endif
cwd_state main_cwd_state; /* True global */
#ifndef TSRM_WIN32
#include <unistd.h>
#else
#include <direct.h>
#endif
#ifndef S_ISDIR
#define S_ISDIR(mode) ((mode) & _S_IFDIR)
#endif
#ifndef S_ISREG
#define S_ISREG(mode) ((mode) & _S_IFREG)
#endif
#ifdef TSRM_WIN32
#define tsrm_strtok_r(a,b,c) strtok((a),(b))
#define DEFAULT_SLASH '\\'
#define TOKENIZER_STRING "/\\"
#define COPY_WHEN_ABSOLUTE 2
static int php_check_dots(const char *element, int n)
{
while (n-- > 0) if (element[n] != '.') break;
return (n != -1);
}
#define IS_DIRECTORY_UP(element, len) \
(len >= 2 && !php_check_dots(element, len))
#define IS_DIRECTORY_CURRENT(element, len) \
(len == 1 && ptr[0] == '.')
#else
#define DEFAULT_SLASH '/'
#define TOKENIZER_STRING "/"
#endif
/* default macros */
#ifndef IS_DIRECTORY_UP
#define IS_DIRECTORY_UP(element, len) \
(len == 2 && memcmp(element, "..", 2) == 0)
#endif
#ifndef IS_DIRECTORY_CURRENT
#define IS_DIRECTORY_CURRENT(element, len) \
(len == 1 && ptr[0] == '.')
#endif
#ifndef COPY_WHEN_ABSOLUTE
#define COPY_WHEN_ABSOLUTE 0
#endif
/* define this to check semantics */
#define IS_DIR_OK(s) (1)
#ifndef IS_DIR_OK
#define IS_DIR_OK(state) (php_is_dir_ok(state) == 0)
#endif
#define CWD_STATE_COPY(d, s) \
(d)->cwd_length = (s)->cwd_length; \
(d)->cwd = (char *) malloc((s)->cwd_length+1); \
memcpy((d)->cwd, (s)->cwd, (s)->cwd_length+1);
#define CWD_STATE_FREE(s) \
free((s)->cwd);
static int php_is_dir_ok(const cwd_state *state)
{
struct stat buf;
if (stat(state->cwd, &buf) == 0 && S_ISDIR(buf.st_mode))
return (0);
return (1);
}
static int php_is_file_ok(const cwd_state *state)
{
struct stat buf;
if (stat(state->cwd, &buf) == 0 && S_ISREG(buf.st_mode))
return (0);
return (1);
}
static void cwd_globals_ctor(virtual_cwd_globals *cwd_globals)
{
CWD_STATE_COPY(&cwd_globals->cwd, &main_cwd_state);
}
static void cwd_globals_dtor(virtual_cwd_globals *cwd_globals)
{
CWD_STATE_FREE(&cwd_globals->cwd);
}
static char *tsrm_strndup(const char *s, uint length)
{
char *p;
p = (char *) malloc(length+1);
if (!p) {
return (char *)NULL;
}
if (length) {
memcpy(p,s,length);
}
p[length]=0;
return p;
}
CWD_API void virtual_cwd_startup(void)
{
char cwd[MAXPATHLEN];
char *result;
result = getcwd(cwd, sizeof(cwd));
if (!result) {
cwd[0] = '\0';
}
main_cwd_state.cwd = strdup(cwd);
main_cwd_state.cwd_length = strlen(cwd);
#ifdef ZTS
cwd_globals_id = ts_allocate_id(sizeof(virtual_cwd_globals), (ts_allocate_ctor) cwd_globals_ctor, (ts_allocate_dtor) cwd_globals_dtor);
#else
cwd_globals_ctor(&cwd_globals);
#endif
#if defined(TSRM_WIN32) && defined(ZTS)
cwd_mutex = tsrm_mutex_alloc();
#endif
}
CWD_API void virtual_cwd_shutdown(void)
{
#ifndef ZTS
cwd_globals_dtor(&cwd_globals);
#endif
#if defined(TSRM_WIN32) && defined(ZTS)
tsrm_mutex_free(cwd_mutex);
#endif
free(main_cwd_state.cwd); /* Don't use CWD_STATE_FREE because the non global states will probably use emalloc()/efree() */
}
CWD_API char *virtual_getcwd_ex(int *length)
{
cwd_state *state;
CWDLS_FETCH();
state = &CWDG(cwd);
if (state->cwd_length == 0) {
char *retval;
*length = 1;
retval = (char *) malloc(2);
retval[0] = DEFAULT_SLASH;
retval[1] = '\0';
return retval;
}
#ifdef TSRM_WIN32
/* If we have something like C: */
if (state->cwd_length == 2 && state->cwd[state->cwd_length-1] == ':') {
char *retval;
*length = state->cwd_length+1;
retval = (char *) malloc(*length+1);
memcpy(retval, state->cwd, *length);
retval[*length-1] = DEFAULT_SLASH;
retval[*length] = '\0';
return retval;
}
#endif
*length = state->cwd_length;
return strdup(state->cwd);
}
/* Same semantics as UNIX getcwd() */
CWD_API char *virtual_getcwd(char *buf, size_t size)
{
size_t length;
char *cwd;
cwd = virtual_getcwd_ex(&length);
if (buf == NULL) {
return cwd;
}
if (length > size-1) {
free(cwd);
errno = ERANGE; /* Is this OK? */
return NULL;
}
memcpy(buf, cwd, length+1);
free(cwd);
return buf;
}
/* Resolve path relatively to state and put the real path into state */
/* returns 0 for ok, 1 for error */
CWD_API int virtual_file_ex(cwd_state *state, const char *path, verify_path_func verify_path)
{
int path_length = strlen(path);
char *ptr, *path_copy;
char *tok = NULL;
int ptr_length;
cwd_state *old_state;
int ret = 0;
int copy_amount = -1;
char *free_path;
unsigned char is_absolute = 0;
#ifndef TSRM_WIN32
char resolved_path[MAXPATHLEN];
#endif
if (path_length == 0)
return (0);
#ifndef TSRM_WIN32
if (IS_ABSOLUTE_PATH(path, path_length)) {
if (realpath(path, resolved_path)) {
path = resolved_path;
path_length = strlen(path);
}
} else { /* Concat current directory with relative path and then run realpath() on it */
char *tmp;
char *ptr;
ptr = tmp = (char *) malloc(state->cwd_length+path_length+sizeof("/"));
if (!tmp) {
return 1;
}
memcpy(ptr, state->cwd, state->cwd_length);
ptr += state->cwd_length;
*ptr++ = DEFAULT_SLASH;
memcpy(ptr, path, path_length);
ptr += path_length;
*ptr = '\0';
if (realpath(tmp, resolved_path)) {
path = resolved_path;
path_length = strlen(path);
}
free(tmp);
}
#endif
free_path = path_copy = tsrm_strndup(path, path_length);
old_state = (cwd_state *) malloc(sizeof(cwd_state));
CWD_STATE_COPY(old_state, state);
#if VIRTUAL_CWD_DEBUG
fprintf(stderr,"cwd = %s path = %s\n", state->cwd, path);
#endif
if (IS_ABSOLUTE_PATH(path_copy, path_length)) {
copy_amount = COPY_WHEN_ABSOLUTE;
is_absolute = 1;
#ifdef TSRM_WIN32
} else if(IS_SLASH(path_copy[0])) {
copy_amount = 2;
#endif
}
if (copy_amount != -1) {
state->cwd = (char *) realloc(state->cwd, copy_amount + 1);
if (copy_amount) {
if (is_absolute) {
memcpy(state->cwd, path_copy, copy_amount);
path_copy += copy_amount;
} else {
memcpy(state->cwd, old_state->cwd, copy_amount);
}
}
state->cwd[copy_amount] = '\0';
state->cwd_length = copy_amount;
}
ptr = tsrm_strtok_r(path_copy, TOKENIZER_STRING, &tok);
while (ptr) {
ptr_length = strlen(ptr);
if (IS_DIRECTORY_UP(ptr, ptr_length)) {
char save;
save = DEFAULT_SLASH;
#define PREVIOUS state->cwd[state->cwd_length - 1]
while (IS_ABSOLUTE_PATH(state->cwd, state->cwd_length) &&
!IS_SLASH(PREVIOUS)) {
save = PREVIOUS;
PREVIOUS = '\0';
state->cwd_length--;
}
if (!IS_ABSOLUTE_PATH(state->cwd, state->cwd_length)) {
state->cwd[state->cwd_length++] = save;
state->cwd[state->cwd_length] = '\0';
} else {
PREVIOUS = '\0';
state->cwd_length--;
}
} else if (!IS_DIRECTORY_CURRENT(ptr, ptr_length)) {
state->cwd = (char *) realloc(state->cwd, state->cwd_length+ptr_length+1+1);
state->cwd[state->cwd_length] = DEFAULT_SLASH;
memcpy(&state->cwd[state->cwd_length+1], ptr, ptr_length+1);
state->cwd_length += (ptr_length+1);
}
ptr = tsrm_strtok_r(NULL, TOKENIZER_STRING, &tok);
}
if (state->cwd_length == COPY_WHEN_ABSOLUTE) {
state->cwd = (char *) realloc(state->cwd, state->cwd_length+1+1);
state->cwd[state->cwd_length] = DEFAULT_SLASH;
state->cwd[state->cwd_length+1] = '\0';
state->cwd_length++;
}
if (verify_path && verify_path(state)) {
CWD_STATE_FREE(state);
*state = *old_state;
ret = 1;
} else {
CWD_STATE_FREE(old_state);
ret = 0;
}
free(old_state);
free(free_path);
#if VIRTUAL_CWD_DEBUG
fprintf (stderr, "virtual_file_ex() = %s\n",state->cwd);
#endif
return (ret);
}
CWD_API int virtual_chdir(const char *path)
{
CWDLS_FETCH();
return virtual_file_ex(&CWDG(cwd), path, php_is_dir_ok)?-1:0;
}
CWD_API int virtual_chdir_file(const char *path, int (*p_chdir)(const char *path))
{
int length = strlen(path);
char *temp;
int retval;
if (length == 0) {
return 1; /* Can't cd to empty string */
}
while(--length >= 0 && !IS_SLASH(path[length])) {
}
if (length == -1) {
return virtual_chdir(path);
}
if (length == COPY_WHEN_ABSOLUTE && IS_ABSOLUTE_PATH(path, length+1)) { /* Also use trailing slash if this is absolute */
length++;
}
temp = (char *) do_alloca(length+1);
memcpy(temp, path, length);
temp[length] = 0;
#if VIRTUAL_CWD_DEBUG
fprintf (stderr, "Changing directory to %s\n", temp);
#endif
retval = p_chdir(temp);
free_alloca(temp);
return retval;
}
CWD_API char *virtual_realpath(const char *path, char *real_path)
{
cwd_state new_state;
int retval;
CWDLS_FETCH();
CWD_STATE_COPY(&new_state, &CWDG(cwd));
retval = virtual_file_ex(&new_state, path, NULL);
if(retval) {
int len = new_state.cwd_length>MAXPATHLEN-1?MAXPATHLEN-1:new_state.cwd_length;
memcpy(real_path, new_state.cwd, len);
real_path[len] = '\0';
return real_path;
}
return NULL;
}
CWD_API int virtual_filepath(const char *path, char **filepath)
{
cwd_state new_state;
int retval;
CWDLS_FETCH();
CWD_STATE_COPY(&new_state, &CWDG(cwd));
retval = virtual_file_ex(&new_state, path, php_is_file_ok);
*filepath = new_state.cwd;
return retval;
}
CWD_API FILE *virtual_fopen(const char *path, const char *mode)
{
cwd_state new_state;
FILE *f;
CWDLS_FETCH();
if (path[0] == '\0') { /* Fail to open empty path */
return NULL;
}
CWD_STATE_COPY(&new_state, &CWDG(cwd));
virtual_file_ex(&new_state, path, NULL);
f = fopen(new_state.cwd, mode);
CWD_STATE_FREE(&new_state);
return f;
}
#if HAVE_UTIME
CWD_API int virtual_utime(const char *filename, struct utimbuf *buf)
{
cwd_state new_state;
int ret;
CWDLS_FETCH();
CWD_STATE_COPY(&new_state, &CWDG(cwd));
virtual_file_ex(&new_state, filename, NULL);
ret = utime(new_state.cwd, buf);
CWD_STATE_FREE(&new_state);
return ret;
}
#endif
CWD_API int virtual_chmod(const char *filename, mode_t mode)
{
cwd_state new_state;
int ret;
CWDLS_FETCH();
CWD_STATE_COPY(&new_state, &CWDG(cwd));
virtual_file_ex(&new_state, filename, NULL);
ret = chmod(new_state.cwd, mode);
CWD_STATE_FREE(&new_state);
return ret;
}
#ifndef PHP_WIN32
CWD_API int virtual_chown(const char *filename, uid_t owner, gid_t group)
{
cwd_state new_state;
int ret;
CWDLS_FETCH();
CWD_STATE_COPY(&new_state, &CWDG(cwd));
virtual_file_ex(&new_state, filename, NULL);
ret = chown(new_state.cwd, owner, group);
CWD_STATE_FREE(&new_state);
return ret;
}
#endif
CWD_API int virtual_open(const char *path, int flags, ...)
{
cwd_state new_state;
int f;
CWDLS_FETCH();
CWD_STATE_COPY(&new_state, &CWDG(cwd));
virtual_file_ex(&new_state, path, NULL);
if (flags & O_CREAT) {
mode_t mode;
va_list arg;
va_start(arg, flags);
mode = va_arg(arg, mode_t);
va_end(arg);
f = open(new_state.cwd, flags, mode);
} else {
f = open(new_state.cwd, flags);
}
CWD_STATE_FREE(&new_state);
return f;
}
CWD_API int virtual_creat(const char *path, mode_t mode)
{
cwd_state new_state;
int f;
CWDLS_FETCH();
CWD_STATE_COPY(&new_state, &CWDG(cwd));
virtual_file_ex(&new_state, path, NULL);
f = creat(new_state.cwd, mode);
CWD_STATE_FREE(&new_state);
return f;
}
CWD_API int virtual_stat(const char *path, struct stat *buf)
{
cwd_state new_state;
int retval;
CWDLS_FETCH();
CWD_STATE_COPY(&new_state, &CWDG(cwd));
virtual_file_ex(&new_state, path, NULL);
retval = stat(new_state.cwd, buf);
CWD_STATE_FREE(&new_state);
return retval;
}
#ifndef TSRM_WIN32
CWD_API int virtual_lstat(const char *path, struct stat *buf)
{
cwd_state new_state;
int retval;
CWDLS_FETCH();
CWD_STATE_COPY(&new_state, &CWDG(cwd));
virtual_file_ex(&new_state, path, NULL);
retval = lstat(new_state.cwd, buf);
CWD_STATE_FREE(&new_state);
return retval;
}
#endif
CWD_API int virtual_unlink(const char *path)
{
cwd_state new_state;
int retval;
CWDLS_FETCH();
CWD_STATE_COPY(&new_state, &CWDG(cwd));
virtual_file_ex(&new_state, path, NULL);
retval = unlink(new_state.cwd);
CWD_STATE_FREE(&new_state);
return retval;
}
CWD_API int virtual_mkdir(const char *pathname, mode_t mode)
{
cwd_state new_state;
int retval;
CWDLS_FETCH();
CWD_STATE_COPY(&new_state, &CWDG(cwd));
virtual_file_ex(&new_state, pathname, NULL);
retval = mkdir(new_state.cwd, mode);
CWD_STATE_FREE(&new_state);
return retval;
}
CWD_API int virtual_rmdir(const char *pathname)
{
cwd_state new_state;
int retval;
CWDLS_FETCH();
CWD_STATE_COPY(&new_state, &CWDG(cwd));
virtual_file_ex(&new_state, pathname, NULL);
retval = rmdir(new_state.cwd);
CWD_STATE_FREE(&new_state);
return retval;
}
CWD_API DIR *virtual_opendir(const char *pathname)
{
cwd_state new_state;
DIR *retval;
CWDLS_FETCH();
CWD_STATE_COPY(&new_state, &CWDG(cwd));
virtual_file_ex(&new_state, pathname, NULL);
retval = opendir(new_state.cwd);
CWD_STATE_FREE(&new_state);
return retval;
}
#ifndef TSRM_WIN32
CWD_API FILE *virtual_popen(const char *command, const char *type)
{
int command_length;
char *command_line;
char *ptr;
FILE *retval;
CWDLS_FETCH();
command_length = strlen(command);
ptr = command_line = (char *) malloc(command_length + sizeof("cd ; ") + CWDG(cwd).cwd_length+1);
if (!command_line) {
return NULL;
}
memcpy(ptr, "cd ", sizeof("cd ")-1);
ptr += sizeof("cd ")-1;
if (CWDG(cwd).cwd_length == 0) {
*ptr++ = DEFAULT_SLASH;
} else {
memcpy(ptr, CWDG(cwd).cwd, CWDG(cwd).cwd_length);
ptr += CWDG(cwd).cwd_length;
}
*ptr++ = ' ';
*ptr++ = ';';
*ptr++ = ' ';
memcpy(ptr, command, command_length+1);
retval = popen(command_line, type);
free(command_line);
return retval;
}
#else
/* On Windows the trick of prepending "cd cwd; " doesn't work so we need to perform
a real chdir() and mutex it
*/
CWD_API FILE *virtual_popen(const char *command, const char *type)
{
char prev_cwd[MAXPATHLEN];
char *getcwd_result;
FILE *retval;
CWDLS_FETCH();
getcwd_result = getcwd(prev_cwd, MAXPATHLEN);
if (!getcwd_result) {
return NULL;
}
#ifdef ZTS
tsrm_mutex_lock(cwd_mutex);
#endif
chdir(CWDG(cwd).cwd);
retval = popen(command, type);
chdir(prev_cwd);
#ifdef ZTS
tsrm_mutex_unlock(cwd_mutex);
#endif
return retval;
}
#endif
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
*/

145
TSRM/tsrm_virtual_cwd.h
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@ -0,0 +1,145 @@
/*
+----------------------------------------------------------------------+
| PHP version 4.0 |
+----------------------------------------------------------------------+
| Copyright (c) 1997, 1998, 1999, 2000 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: Andi Gutmans <andi@zend.com> |
| Sascha Schumann <sascha@schumann.cx> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifndef VIRTUAL_CWD_H
#define VIRTUAL_CWD_H
#ifdef WIN32
# define TSRM_WIN32
#endif
#include <sys/types.h>
#include <sys/stat.h>
#include <ctype.h>
#ifdef HAVE_UTIME_H
#include <utime.h>
#endif
#ifdef HAVE_STDARG_H
#include <stdarg.h>
#endif
#ifndef TSRM_WIN32
#include <unistd.h>
#endif
#ifdef TSRM_WIN32
#include "win32/readdir.h"
#define IS_SLASH(c) ((c) == '/' || (c) == '\\')
#define IS_ABSOLUTE_PATH(path, len) \
(len >= 2 && isalpha(path[0]) && path[1] == ':')
#else
#ifdef HAVE_DIRENT_H
#include <dirent.h>
#endif
#define IS_SLASH(c) ((c) == '/')
#endif
#ifndef IS_ABSOLUTE_PATH
#define IS_ABSOLUTE_PATH(path, len) \
(IS_SLASH(path[0]))
#endif
#if HAVE_UTIME
# ifdef TSRM_WIN32
# include <sys/utime.h>
# endif
#endif
#ifdef PHP_EXPORTS
#define CWD_EXPORTS
#endif
#ifdef TSRM_WIN32
# ifdef CWD_EXPORTS
# define CWD_API __declspec(dllexport)
# else
# define CWD_API __declspec(dllimport)
# endif
#else
#define CWD_API
#endif
typedef struct _cwd_state {
char *cwd;
int cwd_length;
} cwd_state;
typedef int (*verify_path_func)(const cwd_state *);
CWD_API void virtual_cwd_startup(void);
CWD_API void virtual_cwd_shutdown(void);
CWD_API char *virtual_getcwd_ex(int *length);
CWD_API char *virtual_getcwd(char *buf, size_t size);
CWD_API int virtual_chdir(const char *path);
CWD_API int virtual_chdir_file(const char *path, int (*p_chdir)(const char *path));
/* CWD_API void virtual_real_chdir_file(const char *path); */
CWD_API int virtual_filepath(const char *path, char **filepath);
CWD_API char *virtual_realpath(const char *path, char *real_path);
CWD_API FILE *virtual_fopen(const char *path, const char *mode);
CWD_API int virtual_open(const char *path, int flags, ...);
CWD_API int virtual_creat(const char *path, mode_t mode);
CWD_API int virtual_stat(const char *path, struct stat *buf);
#ifndef TSRM_WIN32
CWD_API int virtual_lstat(const char *path, struct stat *buf);
#endif
CWD_API int virtual_unlink(const char *path);
CWD_API int virtual_mkdir(const char *pathname, mode_t mode);
CWD_API int virtual_rmdir(const char *pathname);
CWD_API DIR *virtual_opendir(const char *pathname);
CWD_API FILE *virtual_popen(const char *command, const char *type);
#if HAVE_UTIME
CWD_API int virtual_utime(const char *filename, struct utimbuf *buf);
#endif
CWD_API int virtual_chmod(const char *filename, mode_t mode);
#ifndef PHP_WIN32
CWD_API int virtual_chown(const char *filename, uid_t owner, gid_t group);
#endif
CWD_API int virtual_file_ex(cwd_state *state, const char *path, verify_path_func verify_path);
typedef struct _virtual_cwd_globals {
cwd_state cwd;
} virtual_cwd_globals;
#ifdef ZTS
# define CWDLS_D virtual_cwd_globals *cwd_globals
# define CWDLS_DC , CWDLS_D
# define CWDLS_C cwd_globals
# define CWDLS_CC , CWDLS_C
# define CWDG(v) (cwd_globals->v)
# define CWDLS_FETCH() virtual_cwd_globals *cwd_globals = ts_resource(cwd_globals_id)
#else
# define CWDLS_D void
# define CWDLS_DC
# define CWDLS_C
# define CWDLS_CC
# define CWDG(v) (cwd_globals.v)
# define CWDLS_FETCH()
#endif
#endif /* VIRTUAL_CWD_H */
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