697 lines
16 KiB
C
697 lines
16 KiB
C
/**
|
|
* Functions for choosing and opening/loading device drivers.
|
|
*/
|
|
|
|
|
|
#include <assert.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "eglstring.h"
|
|
#include "eglconfig.h"
|
|
#include "eglcontext.h"
|
|
#include "egldefines.h"
|
|
#include "egldisplay.h"
|
|
#include "egldriver.h"
|
|
#include "eglglobals.h"
|
|
#include "egllog.h"
|
|
#include "eglmisc.h"
|
|
#include "eglmode.h"
|
|
#include "eglscreen.h"
|
|
#include "eglstring.h"
|
|
#include "eglsurface.h"
|
|
#include "eglimage.h"
|
|
|
|
#if defined(_EGL_PLATFORM_POSIX)
|
|
#include <dlfcn.h>
|
|
#include <sys/types.h>
|
|
#include <dirent.h>
|
|
#include <unistd.h>
|
|
#endif
|
|
|
|
|
|
/**
|
|
* Wrappers for dlopen/dlclose()
|
|
*/
|
|
#if defined(_EGL_PLATFORM_WINDOWS)
|
|
|
|
|
|
/* XXX Need to decide how to do dynamic name lookup on Windows */
|
|
static const char *DefaultDriverNames[] = {
|
|
"egl_gdi_swrast"
|
|
};
|
|
|
|
typedef HMODULE lib_handle;
|
|
|
|
static HMODULE
|
|
open_library(const char *filename)
|
|
{
|
|
return LoadLibrary(filename);
|
|
}
|
|
|
|
static void
|
|
close_library(HMODULE lib)
|
|
{
|
|
FreeLibrary(lib);
|
|
}
|
|
|
|
|
|
static const char *
|
|
library_suffix(void)
|
|
{
|
|
return ".dll";
|
|
}
|
|
|
|
|
|
#elif defined(_EGL_PLATFORM_POSIX)
|
|
|
|
|
|
static const char *DefaultDriverNames[] = {
|
|
"egl_dri2",
|
|
"egl_glx"
|
|
};
|
|
|
|
typedef void * lib_handle;
|
|
|
|
static void *
|
|
open_library(const char *filename)
|
|
{
|
|
return dlopen(filename, RTLD_LAZY);
|
|
}
|
|
|
|
static void
|
|
close_library(void *lib)
|
|
{
|
|
dlclose(lib);
|
|
}
|
|
|
|
|
|
static const char *
|
|
library_suffix(void)
|
|
{
|
|
return ".so";
|
|
}
|
|
|
|
|
|
#endif
|
|
|
|
|
|
#define NUM_PROBE_CACHE_SLOTS 8
|
|
static struct {
|
|
EGLint keys[NUM_PROBE_CACHE_SLOTS];
|
|
const void *values[NUM_PROBE_CACHE_SLOTS];
|
|
} _eglProbeCache;
|
|
|
|
|
|
/**
|
|
* Open the named driver and find its bootstrap function: _eglMain().
|
|
*/
|
|
static _EGLMain_t
|
|
_eglOpenLibrary(const char *driverPath, lib_handle *handle)
|
|
{
|
|
lib_handle lib;
|
|
_EGLMain_t mainFunc = NULL;
|
|
const char *error = "unknown error";
|
|
|
|
assert(driverPath);
|
|
|
|
_eglLog(_EGL_DEBUG, "dlopen(%s)", driverPath);
|
|
lib = open_library(driverPath);
|
|
|
|
#if defined(_EGL_PLATFORM_WINDOWS)
|
|
/* XXX untested */
|
|
if (lib)
|
|
mainFunc = (_EGLMain_t) GetProcAddress(lib, "_eglMain");
|
|
#elif defined(_EGL_PLATFORM_POSIX)
|
|
if (lib) {
|
|
union {
|
|
_EGLMain_t func;
|
|
void *ptr;
|
|
} tmp = { NULL };
|
|
/* direct cast gives a warning when compiled with -pedantic */
|
|
tmp.ptr = dlsym(lib, "_eglMain");
|
|
mainFunc = tmp.func;
|
|
if (!mainFunc)
|
|
error = dlerror();
|
|
}
|
|
else {
|
|
error = dlerror();
|
|
}
|
|
#endif
|
|
|
|
if (!lib) {
|
|
_eglLog(_EGL_WARNING, "Could not open driver %s (%s)",
|
|
driverPath, error);
|
|
if (!getenv("EGL_DRIVER"))
|
|
_eglLog(_EGL_WARNING,
|
|
"The driver can be overridden by setting EGL_DRIVER");
|
|
return NULL;
|
|
}
|
|
|
|
if (!mainFunc) {
|
|
_eglLog(_EGL_WARNING, "_eglMain not found in %s (%s)",
|
|
driverPath, error);
|
|
if (lib)
|
|
close_library(lib);
|
|
return NULL;
|
|
}
|
|
|
|
*handle = lib;
|
|
return mainFunc;
|
|
}
|
|
|
|
|
|
/**
|
|
* Load the named driver.
|
|
*/
|
|
static _EGLDriver *
|
|
_eglLoadDriver(const char *path, const char *args)
|
|
{
|
|
_EGLMain_t mainFunc;
|
|
lib_handle lib;
|
|
_EGLDriver *drv = NULL;
|
|
|
|
mainFunc = _eglOpenLibrary(path, &lib);
|
|
if (!mainFunc)
|
|
return NULL;
|
|
|
|
drv = mainFunc(args);
|
|
if (!drv) {
|
|
if (lib)
|
|
close_library(lib);
|
|
return NULL;
|
|
}
|
|
|
|
if (!drv->Name) {
|
|
_eglLog(_EGL_WARNING, "Driver loaded from %s has no name", path);
|
|
drv->Name = "UNNAMED";
|
|
}
|
|
|
|
drv->Path = _eglstrdup(path);
|
|
drv->Args = (args) ? _eglstrdup(args) : NULL;
|
|
if (!drv->Path || (args && !drv->Args)) {
|
|
if (drv->Path)
|
|
free((char *) drv->Path);
|
|
if (drv->Args)
|
|
free((char *) drv->Args);
|
|
drv->Unload(drv);
|
|
if (lib)
|
|
close_library(lib);
|
|
return NULL;
|
|
}
|
|
|
|
drv->LibHandle = lib;
|
|
|
|
return drv;
|
|
}
|
|
|
|
|
|
/**
|
|
* Match a display to a preloaded driver.
|
|
*
|
|
* The matching is done by finding the driver with the highest score.
|
|
*/
|
|
_EGLDriver *
|
|
_eglMatchDriver(_EGLDisplay *dpy)
|
|
{
|
|
_EGLDriver *best_drv = NULL;
|
|
EGLint best_score = -1, i;
|
|
|
|
/*
|
|
* this function is called after preloading and the drivers never change
|
|
* after preloading.
|
|
*/
|
|
for (i = 0; i < _eglGlobal.NumDrivers; i++) {
|
|
_EGLDriver *drv = _eglGlobal.Drivers[i];
|
|
EGLint score;
|
|
|
|
score = (drv->Probe) ? drv->Probe(drv, dpy) : 0;
|
|
if (score > best_score) {
|
|
if (best_drv) {
|
|
_eglLog(_EGL_DEBUG, "driver %s has higher score than %s",
|
|
drv->Name, best_drv->Name);
|
|
}
|
|
|
|
best_drv = drv;
|
|
best_score = score;
|
|
/* perfect match */
|
|
if (score >= 100)
|
|
break;
|
|
}
|
|
}
|
|
|
|
return best_drv;
|
|
}
|
|
|
|
|
|
/**
|
|
* A loader function for use with _eglPreloadForEach. The loader data is the
|
|
* filename of the driver. This function stops on the first valid driver.
|
|
*/
|
|
static EGLBoolean
|
|
_eglLoaderFile(const char *dir, size_t len, void *loader_data)
|
|
{
|
|
_EGLDriver *drv;
|
|
char path[1024];
|
|
const char *filename = (const char *) loader_data;
|
|
size_t flen = strlen(filename);
|
|
|
|
/* make a full path */
|
|
if (len + flen + 2 > sizeof(path))
|
|
return EGL_TRUE;
|
|
if (len) {
|
|
memcpy(path, dir, len);
|
|
path[len++] = '/';
|
|
}
|
|
memcpy(path + len, filename, flen);
|
|
len += flen;
|
|
path[len] = '\0';
|
|
|
|
if (library_suffix() == NULL || strstr(path, library_suffix()))
|
|
drv = _eglLoadDriver(path, NULL);
|
|
else {
|
|
const char *suffix = library_suffix();
|
|
size_t slen = strlen(suffix);
|
|
const char *p;
|
|
EGLBoolean need_suffix;
|
|
|
|
p = filename + flen - slen;
|
|
need_suffix = (p < filename || strcmp(p, suffix) != 0);
|
|
if (need_suffix && len + slen + 1 <= sizeof(path)) {
|
|
strcpy(path + len, suffix);
|
|
drv = _eglLoadDriver(path, NULL);
|
|
} else {
|
|
drv = NULL;
|
|
}
|
|
}
|
|
if (!drv)
|
|
return EGL_TRUE;
|
|
|
|
/* remember the driver and stop */
|
|
_eglGlobal.Drivers[_eglGlobal.NumDrivers++] = drv;
|
|
return EGL_FALSE;
|
|
}
|
|
|
|
|
|
/**
|
|
* A loader function for use with _eglPreloadForEach. The loader data is the
|
|
* pattern (prefix) of the files to look for.
|
|
*/
|
|
static EGLBoolean
|
|
_eglLoaderPattern(const char *dir, size_t len, void *loader_data)
|
|
{
|
|
#if defined(_EGL_PLATFORM_POSIX)
|
|
const char *prefix, *suffix;
|
|
size_t prefix_len, suffix_len;
|
|
DIR *dirp;
|
|
struct dirent *dirent;
|
|
char path[1024];
|
|
|
|
if (len + 2 > sizeof(path))
|
|
return EGL_TRUE;
|
|
if (len) {
|
|
memcpy(path, dir, len);
|
|
path[len++] = '/';
|
|
}
|
|
path[len] = '\0';
|
|
|
|
dirp = opendir(path);
|
|
if (!dirp)
|
|
return EGL_TRUE;
|
|
|
|
prefix = (const char *) loader_data;
|
|
prefix_len = strlen(prefix);
|
|
suffix = library_suffix();
|
|
suffix_len = (suffix) ? strlen(suffix) : 0;
|
|
|
|
while ((dirent = readdir(dirp))) {
|
|
_EGLDriver *drv;
|
|
size_t dirent_len = strlen(dirent->d_name);
|
|
const char *p;
|
|
|
|
/* match the prefix */
|
|
if (strncmp(dirent->d_name, prefix, prefix_len) != 0)
|
|
continue;
|
|
/* match the suffix */
|
|
if (suffix) {
|
|
p = dirent->d_name + dirent_len - suffix_len;
|
|
if (p < dirent->d_name || strcmp(p, suffix) != 0)
|
|
continue;
|
|
}
|
|
|
|
/* make a full path and load the driver */
|
|
if (len + dirent_len + 1 <= sizeof(path)) {
|
|
strcpy(path + len, dirent->d_name);
|
|
drv = _eglLoadDriver(path, NULL);
|
|
if (drv)
|
|
_eglGlobal.Drivers[_eglGlobal.NumDrivers++] = drv;
|
|
}
|
|
}
|
|
|
|
closedir(dirp);
|
|
|
|
return EGL_TRUE;
|
|
#else /* _EGL_PLATFORM_POSIX */
|
|
/* stop immediately */
|
|
return EGL_FALSE;
|
|
#endif
|
|
}
|
|
|
|
|
|
/**
|
|
* Run the preload function on each driver directory and return the number of
|
|
* drivers loaded.
|
|
*
|
|
* The process may end prematurely if the callback function returns false.
|
|
*/
|
|
static EGLint
|
|
_eglPreloadForEach(const char *search_path,
|
|
EGLBoolean (*loader)(const char *, size_t, void *),
|
|
void *loader_data)
|
|
{
|
|
const char *cur, *next;
|
|
size_t len;
|
|
EGLint num_drivers = _eglGlobal.NumDrivers;
|
|
|
|
cur = search_path;
|
|
while (cur) {
|
|
next = strchr(cur, ':');
|
|
len = (next) ? next - cur : strlen(cur);
|
|
|
|
if (!loader(cur, len, loader_data))
|
|
break;
|
|
|
|
cur = (next) ? next + 1 : NULL;
|
|
}
|
|
|
|
return (_eglGlobal.NumDrivers - num_drivers);
|
|
}
|
|
|
|
|
|
/**
|
|
* Return a list of colon-separated driver directories.
|
|
*/
|
|
static const char *
|
|
_eglGetSearchPath(void)
|
|
{
|
|
static const char *search_path;
|
|
|
|
#if defined(_EGL_PLATFORM_POSIX) || defined(_EGL_PLATFORM_WINDOWS)
|
|
if (!search_path) {
|
|
static char buffer[1024];
|
|
const char *p;
|
|
int ret;
|
|
|
|
p = getenv("EGL_DRIVERS_PATH");
|
|
#if defined(_EGL_PLATFORM_POSIX)
|
|
if (p && (geteuid() != getuid() || getegid() != getgid())) {
|
|
_eglLog(_EGL_DEBUG,
|
|
"ignore EGL_DRIVERS_PATH for setuid/setgid binaries");
|
|
p = NULL;
|
|
}
|
|
#endif /* _EGL_PLATFORM_POSIX */
|
|
|
|
if (p) {
|
|
ret = _eglsnprintf(buffer, sizeof(buffer),
|
|
"%s:%s", p, _EGL_DRIVER_SEARCH_DIR);
|
|
if (ret > 0 && ret < sizeof(buffer))
|
|
search_path = buffer;
|
|
}
|
|
}
|
|
if (!search_path)
|
|
search_path = _EGL_DRIVER_SEARCH_DIR;
|
|
#else
|
|
search_path = "";
|
|
#endif
|
|
|
|
return search_path;
|
|
}
|
|
|
|
|
|
/**
|
|
* Preload a user driver.
|
|
*
|
|
* A user driver can be specified by EGL_DRIVER.
|
|
*/
|
|
static EGLBoolean
|
|
_eglPreloadUserDriver(void)
|
|
{
|
|
const char *search_path = _eglGetSearchPath();
|
|
char *env;
|
|
|
|
env = getenv("EGL_DRIVER");
|
|
#if defined(_EGL_PLATFORM_POSIX)
|
|
if (env && strchr(env, '/')) {
|
|
search_path = "";
|
|
if ((geteuid() != getuid() || getegid() != getgid())) {
|
|
_eglLog(_EGL_DEBUG,
|
|
"ignore EGL_DRIVER for setuid/setgid binaries");
|
|
env = NULL;
|
|
}
|
|
}
|
|
#endif /* _EGL_PLATFORM_POSIX */
|
|
if (!env)
|
|
return EGL_FALSE;
|
|
|
|
if (!_eglPreloadForEach(search_path, _eglLoaderFile, (void *) env)) {
|
|
_eglLog(_EGL_WARNING, "EGL_DRIVER is set to an invalid driver");
|
|
return EGL_FALSE;
|
|
}
|
|
|
|
return EGL_TRUE;
|
|
}
|
|
|
|
|
|
/**
|
|
* Preload display drivers.
|
|
*
|
|
* Display drivers are a set of drivers that support a certain display system.
|
|
* The display system may be specified by EGL_DISPLAY.
|
|
*
|
|
* FIXME This makes libEGL a memory hog if an user driver is not specified and
|
|
* there are many display drivers.
|
|
*/
|
|
static EGLBoolean
|
|
_eglPreloadDisplayDrivers(void)
|
|
{
|
|
const char *dpy;
|
|
char prefix[32];
|
|
int ret;
|
|
|
|
dpy = getenv("EGL_DISPLAY");
|
|
if (!dpy || !dpy[0])
|
|
dpy = _EGL_DEFAULT_DISPLAY;
|
|
if (!dpy || !dpy[0])
|
|
return EGL_FALSE;
|
|
|
|
ret = _eglsnprintf(prefix, sizeof(prefix), "egl_%s_", dpy);
|
|
if (ret < 0 || ret >= sizeof(prefix))
|
|
return EGL_FALSE;
|
|
|
|
return (_eglPreloadForEach(_eglGetSearchPath(),
|
|
_eglLoaderPattern, (void *) prefix) > 0);
|
|
}
|
|
|
|
|
|
/**
|
|
* Preload drivers.
|
|
*
|
|
* This function loads the driver modules and creates the corresponding
|
|
* _EGLDriver objects.
|
|
*/
|
|
EGLBoolean
|
|
_eglPreloadDrivers(void)
|
|
{
|
|
EGLBoolean loaded;
|
|
|
|
/* protect the preloading process */
|
|
_eglLockMutex(_eglGlobal.Mutex);
|
|
|
|
/* already preloaded */
|
|
if (_eglGlobal.NumDrivers) {
|
|
_eglUnlockMutex(_eglGlobal.Mutex);
|
|
return EGL_TRUE;
|
|
}
|
|
|
|
loaded = (_eglPreloadUserDriver() ||
|
|
_eglPreloadDisplayDrivers());
|
|
|
|
_eglUnlockMutex(_eglGlobal.Mutex);
|
|
|
|
return loaded;
|
|
}
|
|
|
|
/**
|
|
* Unload preloaded drivers.
|
|
*/
|
|
void
|
|
_eglUnloadDrivers(void)
|
|
{
|
|
EGLint i;
|
|
|
|
/* this is called at atexit time */
|
|
for (i = 0; i < _eglGlobal.NumDrivers; i++) {
|
|
_EGLDriver *drv = _eglGlobal.Drivers[i];
|
|
lib_handle handle = drv->LibHandle;
|
|
|
|
if (drv->Path)
|
|
free((char *) drv->Path);
|
|
if (drv->Args)
|
|
free((char *) drv->Args);
|
|
|
|
/* destroy driver */
|
|
if (drv->Unload)
|
|
drv->Unload(drv);
|
|
|
|
if (handle)
|
|
close_library(handle);
|
|
_eglGlobal.Drivers[i] = NULL;
|
|
}
|
|
|
|
_eglGlobal.NumDrivers = 0;
|
|
}
|
|
|
|
_EGLDriver *
|
|
_eglLoadDefaultDriver(EGLDisplay dpy, EGLint *major, EGLint *minor)
|
|
{
|
|
_EGLDriver *drv = NULL;
|
|
int i;
|
|
|
|
_eglLockMutex(_eglGlobal.Mutex);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(DefaultDriverNames); i++) {
|
|
_eglPreloadForEach(_eglGetSearchPath(),
|
|
_eglLoaderFile, (void *) DefaultDriverNames[i]);
|
|
if (_eglGlobal.NumDrivers == 0)
|
|
continue;
|
|
drv = _eglGlobal.Drivers[0];
|
|
if (drv->API.Initialize(drv, dpy, major, minor))
|
|
break;
|
|
_eglUnloadDrivers();
|
|
}
|
|
|
|
_eglUnlockMutex(_eglGlobal.Mutex);
|
|
|
|
return _eglGlobal.NumDrivers > 0 ? drv : NULL;
|
|
}
|
|
|
|
|
|
/**
|
|
* Plug all the available fallback routines into the given driver's
|
|
* dispatch table.
|
|
*/
|
|
void
|
|
_eglInitDriverFallbacks(_EGLDriver *drv)
|
|
{
|
|
/* If a pointer is set to NULL, then the device driver _really_ has
|
|
* to implement it.
|
|
*/
|
|
drv->API.Initialize = NULL;
|
|
drv->API.Terminate = NULL;
|
|
|
|
drv->API.GetConfigs = _eglGetConfigs;
|
|
drv->API.ChooseConfig = _eglChooseConfig;
|
|
drv->API.GetConfigAttrib = _eglGetConfigAttrib;
|
|
|
|
drv->API.CreateContext = _eglCreateContext;
|
|
drv->API.DestroyContext = _eglDestroyContext;
|
|
drv->API.MakeCurrent = _eglMakeCurrent;
|
|
drv->API.QueryContext = _eglQueryContext;
|
|
|
|
drv->API.CreateWindowSurface = _eglCreateWindowSurface;
|
|
drv->API.CreatePixmapSurface = _eglCreatePixmapSurface;
|
|
drv->API.CreatePbufferSurface = _eglCreatePbufferSurface;
|
|
drv->API.DestroySurface = _eglDestroySurface;
|
|
drv->API.QuerySurface = _eglQuerySurface;
|
|
drv->API.SurfaceAttrib = _eglSurfaceAttrib;
|
|
drv->API.BindTexImage = _eglBindTexImage;
|
|
drv->API.ReleaseTexImage = _eglReleaseTexImage;
|
|
drv->API.SwapInterval = _eglSwapInterval;
|
|
drv->API.SwapBuffers = _eglSwapBuffers;
|
|
drv->API.CopyBuffers = _eglCopyBuffers;
|
|
|
|
drv->API.QueryString = _eglQueryString;
|
|
drv->API.WaitClient = _eglWaitClient;
|
|
drv->API.WaitNative = _eglWaitNative;
|
|
|
|
#ifdef EGL_MESA_screen_surface
|
|
drv->API.ChooseModeMESA = _eglChooseModeMESA;
|
|
drv->API.GetModesMESA = _eglGetModesMESA;
|
|
drv->API.GetModeAttribMESA = _eglGetModeAttribMESA;
|
|
drv->API.GetScreensMESA = _eglGetScreensMESA;
|
|
drv->API.CreateScreenSurfaceMESA = _eglCreateScreenSurfaceMESA;
|
|
drv->API.ShowScreenSurfaceMESA = _eglShowScreenSurfaceMESA;
|
|
drv->API.ScreenPositionMESA = _eglScreenPositionMESA;
|
|
drv->API.QueryScreenMESA = _eglQueryScreenMESA;
|
|
drv->API.QueryScreenSurfaceMESA = _eglQueryScreenSurfaceMESA;
|
|
drv->API.QueryScreenModeMESA = _eglQueryScreenModeMESA;
|
|
drv->API.QueryModeStringMESA = _eglQueryModeStringMESA;
|
|
#endif /* EGL_MESA_screen_surface */
|
|
|
|
#ifdef EGL_VERSION_1_2
|
|
drv->API.CreatePbufferFromClientBuffer = _eglCreatePbufferFromClientBuffer;
|
|
#endif /* EGL_VERSION_1_2 */
|
|
|
|
#ifdef EGL_KHR_image_base
|
|
drv->API.CreateImageKHR = _eglCreateImageKHR;
|
|
drv->API.DestroyImageKHR = _eglDestroyImageKHR;
|
|
#endif /* EGL_KHR_image_base */
|
|
}
|
|
|
|
|
|
/**
|
|
* Invoke a callback function on each EGL search path.
|
|
*
|
|
* The first argument of the callback function is the name of the search path.
|
|
* The second argument is the length of the name.
|
|
*/
|
|
void
|
|
_eglSearchPathForEach(EGLBoolean (*callback)(const char *, size_t, void *),
|
|
void *callback_data)
|
|
{
|
|
const char *search_path = _eglGetSearchPath();
|
|
_eglPreloadForEach(search_path, callback, callback_data);
|
|
}
|
|
|
|
|
|
/**
|
|
* Set the probe cache at the given key.
|
|
*
|
|
* A key, instead of a _EGLDriver, is used to allow the probe cache to be share
|
|
* by multiple drivers.
|
|
*/
|
|
void
|
|
_eglSetProbeCache(EGLint key, const void *val)
|
|
{
|
|
EGLint idx;
|
|
|
|
for (idx = 0; idx < NUM_PROBE_CACHE_SLOTS; idx++) {
|
|
if (!_eglProbeCache.keys[idx] || _eglProbeCache.keys[idx] == key)
|
|
break;
|
|
}
|
|
assert(key > 0);
|
|
assert(idx < NUM_PROBE_CACHE_SLOTS);
|
|
|
|
_eglProbeCache.keys[idx] = key;
|
|
_eglProbeCache.values[idx] = val;
|
|
}
|
|
|
|
|
|
/**
|
|
* Return the probe cache at the given key.
|
|
*/
|
|
const void *
|
|
_eglGetProbeCache(EGLint key)
|
|
{
|
|
EGLint idx;
|
|
|
|
for (idx = 0; idx < NUM_PROBE_CACHE_SLOTS; idx++) {
|
|
if (!_eglProbeCache.keys[idx] || _eglProbeCache.keys[idx] == key)
|
|
break;
|
|
}
|
|
|
|
return (idx < NUM_PROBE_CACHE_SLOTS && _eglProbeCache.keys[idx] == key) ?
|
|
_eglProbeCache.values[idx] : NULL;
|
|
}
|