Added external/libxml2 (for Android)
This commit is contained in:
Dimitris Panokostas
parent
3f3572b66d
commit
7ffb3d0d25
289 changed files with 361404 additions and 0 deletions
468
external/libxml2/xmlmodule.c
vendored
Normal file
468
external/libxml2/xmlmodule.c
vendored
Normal file
|
|
@ -0,0 +1,468 @@
|
|||
/*
|
||||
* xmlmodule.c : basic API for dynamic module loading added 2.6.17
|
||||
*
|
||||
* See Copyright for the status of this software.
|
||||
*
|
||||
* joelwreed@comcast.net
|
||||
*
|
||||
* http://www.fortran-2000.com/ArnaudRecipes/sharedlib.html
|
||||
*/
|
||||
|
||||
/* In order RTLD_GLOBAL and RTLD_NOW to be defined on zOS */
|
||||
#if defined(__MVS__)
|
||||
#define _UNIX03_SOURCE
|
||||
#endif
|
||||
|
||||
#define IN_LIBXML
|
||||
#include "libxml.h"
|
||||
|
||||
#include <string.h>
|
||||
#include <libxml/xmlmemory.h>
|
||||
#include <libxml/xmlerror.h>
|
||||
#include <libxml/xmlmodule.h>
|
||||
#include <libxml/globals.h>
|
||||
|
||||
#ifdef LIBXML_MODULES_ENABLED
|
||||
|
||||
struct _xmlModule {
|
||||
unsigned char *name;
|
||||
void *handle;
|
||||
};
|
||||
|
||||
static void *xmlModulePlatformOpen(const char *name);
|
||||
static int xmlModulePlatformClose(void *handle);
|
||||
static int xmlModulePlatformSymbol(void *handle, const char *name, void **result);
|
||||
|
||||
/************************************************************************
|
||||
* *
|
||||
* module memory error handler *
|
||||
* *
|
||||
************************************************************************/
|
||||
|
||||
/**
|
||||
* xmlModuleErrMemory:
|
||||
* @extra: extra information
|
||||
*
|
||||
* Handle an out of memory condition
|
||||
*/
|
||||
static void
|
||||
xmlModuleErrMemory(xmlModulePtr module, const char *extra)
|
||||
{
|
||||
const char *name = NULL;
|
||||
|
||||
if (module != NULL) {
|
||||
name = (const char *) module->name;
|
||||
}
|
||||
|
||||
__xmlRaiseError(NULL, NULL, NULL, NULL, NULL, XML_FROM_MODULE,
|
||||
XML_ERR_NO_MEMORY, XML_ERR_FATAL, NULL, 0, extra,
|
||||
name, NULL, 0, 0,
|
||||
"Memory allocation failed : %s\n", extra);
|
||||
}
|
||||
|
||||
/**
|
||||
* xmlModuleOpen:
|
||||
* @name: the module name
|
||||
* @options: a set of xmlModuleOption
|
||||
*
|
||||
* Opens a module/shared library given its name or path
|
||||
* NOTE: that due to portability issues, behaviour can only be
|
||||
* guaranteed with @name using ASCII. We canot guarantee that
|
||||
* an UTF-8 string would work, which is why name is a const char *
|
||||
* and not a const xmlChar * .
|
||||
* TODO: options are not yet implemented.
|
||||
*
|
||||
* Returns a handle for the module or NULL in case of error
|
||||
*/
|
||||
xmlModulePtr
|
||||
xmlModuleOpen(const char *name, int options ATTRIBUTE_UNUSED)
|
||||
{
|
||||
xmlModulePtr module;
|
||||
|
||||
module = (xmlModulePtr) xmlMalloc(sizeof(xmlModule));
|
||||
if (module == NULL) {
|
||||
xmlModuleErrMemory(NULL, "creating module");
|
||||
return (NULL);
|
||||
}
|
||||
|
||||
memset(module, 0, sizeof(xmlModule));
|
||||
|
||||
module->handle = xmlModulePlatformOpen(name);
|
||||
|
||||
if (module->handle == NULL) {
|
||||
xmlFree(module);
|
||||
__xmlRaiseError(NULL, NULL, NULL, NULL, NULL, XML_FROM_MODULE,
|
||||
XML_MODULE_OPEN, XML_ERR_FATAL, NULL, 0, 0,
|
||||
name, NULL, 0, 0, "failed to open %s\n", name);
|
||||
return(NULL);
|
||||
}
|
||||
|
||||
module->name = xmlStrdup((const xmlChar *) name);
|
||||
return (module);
|
||||
}
|
||||
|
||||
/**
|
||||
* xmlModuleSymbol:
|
||||
* @module: the module
|
||||
* @name: the name of the symbol
|
||||
* @symbol: the resulting symbol address
|
||||
*
|
||||
* Lookup for a symbol address in the given module
|
||||
* NOTE: that due to portability issues, behaviour can only be
|
||||
* guaranteed with @name using ASCII. We canot guarantee that
|
||||
* an UTF-8 string would work, which is why name is a const char *
|
||||
* and not a const xmlChar * .
|
||||
*
|
||||
* Returns 0 if the symbol was found, or -1 in case of error
|
||||
*/
|
||||
int
|
||||
xmlModuleSymbol(xmlModulePtr module, const char *name, void **symbol)
|
||||
{
|
||||
int rc = -1;
|
||||
|
||||
if ((NULL == module) || (symbol == NULL) || (name == NULL)) {
|
||||
__xmlRaiseError(NULL, NULL, NULL, NULL, NULL, XML_FROM_MODULE,
|
||||
XML_MODULE_OPEN, XML_ERR_FATAL, NULL, 0, 0,
|
||||
NULL, NULL, 0, 0, "null parameter\n");
|
||||
return rc;
|
||||
}
|
||||
|
||||
rc = xmlModulePlatformSymbol(module->handle, name, symbol);
|
||||
|
||||
if (rc == -1) {
|
||||
__xmlRaiseError(NULL, NULL, NULL, NULL, NULL, XML_FROM_MODULE,
|
||||
XML_MODULE_OPEN, XML_ERR_FATAL, NULL, 0, 0,
|
||||
name, NULL, 0, 0,
|
||||
"failed to find symbol: %s\n",
|
||||
(name == NULL ? "NULL" : name));
|
||||
return rc;
|
||||
}
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
/**
|
||||
* xmlModuleClose:
|
||||
* @module: the module handle
|
||||
*
|
||||
* The close operations unload the associated module and free the
|
||||
* data associated to the module.
|
||||
*
|
||||
* Returns 0 in case of success, -1 in case of argument error and -2
|
||||
* if the module could not be closed/unloaded.
|
||||
*/
|
||||
int
|
||||
xmlModuleClose(xmlModulePtr module)
|
||||
{
|
||||
int rc;
|
||||
|
||||
if (NULL == module) {
|
||||
__xmlRaiseError(NULL, NULL, NULL, NULL, NULL, XML_FROM_MODULE,
|
||||
XML_MODULE_CLOSE, XML_ERR_FATAL, NULL, 0, 0,
|
||||
NULL, NULL, 0, 0, "null module pointer\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
rc = xmlModulePlatformClose(module->handle);
|
||||
|
||||
if (rc != 0) {
|
||||
__xmlRaiseError(NULL, NULL, NULL, NULL, NULL, XML_FROM_MODULE,
|
||||
XML_MODULE_CLOSE, XML_ERR_FATAL, NULL, 0, 0,
|
||||
(const char *) module->name, NULL, 0, 0,
|
||||
"failed to close: %s\n", module->name);
|
||||
return -2;
|
||||
}
|
||||
|
||||
rc = xmlModuleFree(module);
|
||||
return (rc);
|
||||
}
|
||||
|
||||
/**
|
||||
* xmlModuleFree:
|
||||
* @module: the module handle
|
||||
*
|
||||
* The free operations free the data associated to the module
|
||||
* but does not unload the associated shared library which may still
|
||||
* be in use.
|
||||
*
|
||||
* Returns 0 in case of success, -1 in case of argument error
|
||||
*/
|
||||
int
|
||||
xmlModuleFree(xmlModulePtr module)
|
||||
{
|
||||
if (NULL == module) {
|
||||
__xmlRaiseError(NULL, NULL, NULL, NULL, NULL, XML_FROM_MODULE,
|
||||
XML_MODULE_CLOSE, XML_ERR_FATAL, NULL, 0, NULL,
|
||||
NULL, NULL, 0, 0, "null module pointer\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
xmlFree(module->name);
|
||||
xmlFree(module);
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
#if defined(HAVE_DLOPEN) && !defined(_WIN32)
|
||||
#ifdef HAVE_DLFCN_H
|
||||
#include <dlfcn.h>
|
||||
#endif
|
||||
|
||||
#ifndef RTLD_GLOBAL /* For Tru64 UNIX 4.0 */
|
||||
#define RTLD_GLOBAL 0
|
||||
#endif
|
||||
|
||||
/**
|
||||
* xmlModulePlatformOpen:
|
||||
* @name: path to the module
|
||||
*
|
||||
* returns a handle on success, and zero on error.
|
||||
*/
|
||||
|
||||
static void *
|
||||
xmlModulePlatformOpen(const char *name)
|
||||
{
|
||||
return dlopen(name, RTLD_GLOBAL | RTLD_NOW);
|
||||
}
|
||||
|
||||
/*
|
||||
* xmlModulePlatformClose:
|
||||
* @handle: handle to the module
|
||||
*
|
||||
* returns 0 on success, and non-zero on error.
|
||||
*/
|
||||
|
||||
static int
|
||||
xmlModulePlatformClose(void *handle)
|
||||
{
|
||||
return dlclose(handle);
|
||||
}
|
||||
|
||||
/*
|
||||
* xmlModulePlatformSymbol:
|
||||
* http://www.opengroup.org/onlinepubs/009695399/functions/dlsym.html
|
||||
* returns 0 on success and the loaded symbol in result, and -1 on error.
|
||||
*/
|
||||
|
||||
static int
|
||||
xmlModulePlatformSymbol(void *handle, const char *name, void **symbol)
|
||||
{
|
||||
*symbol = dlsym(handle, name);
|
||||
if (dlerror() != NULL) {
|
||||
return -1;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
#else /* ! HAVE_DLOPEN */
|
||||
|
||||
#ifdef HAVE_SHLLOAD /* HAVE_SHLLOAD */
|
||||
#ifdef HAVE_DL_H
|
||||
#include <dl.h>
|
||||
#endif
|
||||
/*
|
||||
* xmlModulePlatformOpen:
|
||||
* returns a handle on success, and zero on error.
|
||||
*/
|
||||
|
||||
static void *
|
||||
xmlModulePlatformOpen(const char *name)
|
||||
{
|
||||
return shl_load(name, BIND_IMMEDIATE, 0L);
|
||||
}
|
||||
|
||||
/*
|
||||
* xmlModulePlatformClose:
|
||||
* returns 0 on success, and non-zero on error.
|
||||
*/
|
||||
|
||||
static int
|
||||
xmlModulePlatformClose(void *handle)
|
||||
{
|
||||
return shl_unload(handle);
|
||||
}
|
||||
|
||||
/*
|
||||
* xmlModulePlatformSymbol:
|
||||
* http://docs.hp.com/en/B2355-90683/shl_load.3X.html
|
||||
* returns 0 on success and the loaded symbol in result, and -1 on error.
|
||||
*/
|
||||
|
||||
static int
|
||||
xmlModulePlatformSymbol(void *handle, const char *name, void **symbol)
|
||||
{
|
||||
int rc;
|
||||
|
||||
errno = 0;
|
||||
rc = shl_findsym(&handle, name, TYPE_UNDEFINED, symbol);
|
||||
return rc;
|
||||
}
|
||||
|
||||
#endif /* HAVE_SHLLOAD */
|
||||
#endif /* ! HAVE_DLOPEN */
|
||||
|
||||
#if defined(_WIN32) && !defined(__CYGWIN__)
|
||||
|
||||
#define WIN32_LEAN_AND_MEAN
|
||||
#include <windows.h>
|
||||
|
||||
/*
|
||||
* xmlModulePlatformOpen:
|
||||
* returns a handle on success, and zero on error.
|
||||
*/
|
||||
|
||||
static void *
|
||||
xmlModulePlatformOpen(const char *name)
|
||||
{
|
||||
return LoadLibraryA(name);
|
||||
}
|
||||
|
||||
/*
|
||||
* xmlModulePlatformClose:
|
||||
* returns 0 on success, and non-zero on error.
|
||||
*/
|
||||
|
||||
static int
|
||||
xmlModulePlatformClose(void *handle)
|
||||
{
|
||||
int rc;
|
||||
|
||||
rc = FreeLibrary(handle);
|
||||
return (0 == rc);
|
||||
}
|
||||
|
||||
/*
|
||||
* xmlModulePlatformSymbol:
|
||||
* http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dllproc/base/getprocaddress.asp
|
||||
* returns 0 on success and the loaded symbol in result, and -1 on error.
|
||||
*/
|
||||
|
||||
static int
|
||||
xmlModulePlatformSymbol(void *handle, const char *name, void **symbol)
|
||||
{
|
||||
XML_IGNORE_PEDANTIC_WARNINGS
|
||||
#ifdef _WIN32_WCE
|
||||
/*
|
||||
* GetProcAddressA seems only available on WinCE
|
||||
*/
|
||||
*symbol = GetProcAddressA(handle, name);
|
||||
#else
|
||||
*symbol = GetProcAddress(handle, name);
|
||||
#endif
|
||||
return (NULL == *symbol) ? -1 : 0;
|
||||
XML_POP_WARNINGS
|
||||
}
|
||||
|
||||
#endif /* _WIN32 */
|
||||
|
||||
#ifdef HAVE_BEOS
|
||||
|
||||
#include <kernel/image.h>
|
||||
|
||||
/*
|
||||
* xmlModulePlatformOpen:
|
||||
* beos api info: http://www.beunited.org/bebook/The%20Kernel%20Kit/Images.html
|
||||
* returns a handle on success, and zero on error.
|
||||
*/
|
||||
|
||||
static void *
|
||||
xmlModulePlatformOpen(const char *name)
|
||||
{
|
||||
return (void *) load_add_on(name);
|
||||
}
|
||||
|
||||
/*
|
||||
* xmlModulePlatformClose:
|
||||
* beos api info: http://www.beunited.org/bebook/The%20Kernel%20Kit/Images.html
|
||||
* returns 0 on success, and non-zero on error.
|
||||
*/
|
||||
|
||||
static int
|
||||
xmlModulePlatformClose(void *handle)
|
||||
{
|
||||
status_t rc;
|
||||
|
||||
rc = unload_add_on((image_id) handle);
|
||||
|
||||
if (rc == B_OK)
|
||||
return 0;
|
||||
else
|
||||
return -1;
|
||||
}
|
||||
|
||||
/*
|
||||
* xmlModulePlatformSymbol:
|
||||
* beos api info: http://www.beunited.org/bebook/The%20Kernel%20Kit/Images.html
|
||||
* returns 0 on success and the loaded symbol in result, and -1 on error.
|
||||
*/
|
||||
|
||||
static int
|
||||
xmlModulePlatformSymbol(void *handle, const char *name, void **symbol)
|
||||
{
|
||||
status_t rc;
|
||||
|
||||
rc = get_image_symbol((image_id) handle, name, B_SYMBOL_TYPE_ANY, symbol);
|
||||
|
||||
return (rc == B_OK) ? 0 : -1;
|
||||
}
|
||||
|
||||
#endif /* HAVE_BEOS */
|
||||
|
||||
#ifdef HAVE_OS2
|
||||
|
||||
#include <os2.h>
|
||||
|
||||
/*
|
||||
* xmlModulePlatformOpen:
|
||||
* os2 api info: http://www.edm2.com/os2api/Dos/DosLoadModule.html
|
||||
* returns a handle on success, and zero on error.
|
||||
*/
|
||||
|
||||
static void *
|
||||
xmlModulePlatformOpen(const char *name)
|
||||
{
|
||||
char errbuf[256];
|
||||
void *handle;
|
||||
int rc;
|
||||
|
||||
rc = DosLoadModule(errbuf, sizeof(errbuf) - 1, name, &handle);
|
||||
|
||||
if (rc)
|
||||
return 0;
|
||||
else
|
||||
return (handle);
|
||||
}
|
||||
|
||||
/*
|
||||
* xmlModulePlatformClose:
|
||||
* os2 api info: http://www.edm2.com/os2api/Dos/DosFreeModule.html
|
||||
* returns 0 on success, and non-zero on error.
|
||||
*/
|
||||
|
||||
static int
|
||||
xmlModulePlatformClose(void *handle)
|
||||
{
|
||||
return DosFreeModule(handle);
|
||||
}
|
||||
|
||||
/*
|
||||
* xmlModulePlatformSymbol:
|
||||
* os2 api info: http://www.edm2.com/os2api/Dos/DosQueryProcAddr.html
|
||||
* returns 0 on success and the loaded symbol in result, and -1 on error.
|
||||
*/
|
||||
|
||||
static int
|
||||
xmlModulePlatformSymbol(void *handle, const char *name, void **symbol)
|
||||
{
|
||||
int rc;
|
||||
|
||||
rc = DosQueryProcAddr(handle, 0, name, symbol);
|
||||
|
||||
return (rc == NO_ERROR) ? 0 : -1;
|
||||
}
|
||||
|
||||
#endif /* HAVE_OS2 */
|
||||
|
||||
#define bottom_xmlmodule
|
||||
#include "elfgcchack.h"
|
||||
#endif /* LIBXML_MODULES_ENABLED */
|
||||
Loading…
Add table
Add a link
Reference in a new issue