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use dlopen to load dynamic libraries

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This commit is contained in:
Brian Matzon 2005-05-29 21:24:18 +00:00
parent 25badde4c9
commit 2c3a019717
3 changed files with 36 additions and 111 deletions
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49
src/native/common/devil/extil.c
View file

@ -1,18 +1,11 @@
/* Handle to devil Library */
#ifdef _WIN32
#include "extil.h"
static HMODULE devILhandle;
#endif
#ifdef _X11
#include "extil.h"
static void* devILhandle;
#endif
#ifdef _MACOSX
#include <mach-o/dyld.h>
#include <stdlib.h>
#include <string.h>
const struct mach_header* devILhandle = NULL;
#include "extil.h"
#include "extil.h"
static HMODULE devILhandle;
#else
#include <dlfcn.h>
#include "extil.h"
static void* devILhandle;
#endif
/**
@ -22,22 +15,9 @@ const struct mach_header* devILhandle = NULL;
static void *NativeGetFunctionPointer(const char *function) {
#ifdef _WIN32
return GetProcAddress(devILhandle, function);
#endif
#ifdef _X11
#else
return dlsym(devILhandle, function);
#endif
#ifdef _MACOSX
char *mac_symbol_name = (char *)malloc((strlen(function) + 2)*sizeof(char));
if (mac_symbol_name == NULL)
return NULL;
mac_symbol_name[0] = '_';
strcpy(&(mac_symbol_name[1]), function);
NSSymbol symbol = NSLookupSymbolInImage(devILhandle, mac_symbol_name, NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR);
free(mac_symbol_name);
if (symbol == NULL)
return NULL;
return NSAddressOfSymbol(symbol);
#endif
}
/**
@ -77,12 +57,11 @@ bool extil_Open(JNIEnv *env, jobjectArray ilPaths) {
printfDebug("Testing '%s'\n", path_str);
#ifdef _WIN32
devILhandle = LoadLibrary(path_str);
#endif
#ifdef _X11
#else
devILhandle = dlopen(path_str, RTLD_LAZY);
#endif
#ifdef _MACOSX
devILhandle = NSAddImage(path_str, NSADDIMAGE_OPTION_RETURN_ON_ERROR);
if(devILhandle == NULL) {
printfDebug("dlopen failure: %s", dlerror());
}
#endif
if (devILhandle != NULL) {
printfDebug("Found devil at '%s'\n", path_str);
@ -103,14 +82,10 @@ bool extil_Open(JNIEnv *env, jobjectArray ilPaths) {
void extil_Close(void) {
#ifdef _WIN32
FreeLibrary(devILhandle);
#endif
#ifdef _X11
#else
if (devILhandle != NULL) {
dlclose(devILhandle);
}
#endif
#ifdef _MACOSX
// Cannot remove the image
#endif
devILhandle = NULL;
}

49
src/native/common/devil/extilu.c
View file

@ -1,18 +1,11 @@
/* Handle to ilu Library */
#ifdef _WIN32
#include "extilu.h"
static HMODULE devILUhandle;
#endif
#ifdef _X11
#include "extilu.h"
static void* devILUhandle;
#endif
#ifdef _MACOSX
#include <mach-o/dyld.h>
#include <stdlib.h>
#include <string.h>
static const struct mach_header* devILUhandle;
#include "extilu.h"
#include "extilu.h"
static HMODULE devILUhandle;
#else
#include <dlfcn.h>
#include "extilu.h"
static void* devILUhandle;
#endif
/**
@ -22,22 +15,9 @@ static const struct mach_header* devILUhandle;
static void *NativeGetFunctionPointer(const char *function) {
#ifdef _WIN32
return GetProcAddress(devILUhandle, function);
#endif
#ifdef _X11
#else
return dlsym(devILUhandle, function);
#endif
#ifdef _MACOSX
char *mac_symbol_name = (char *)malloc((strlen(function) + 2)*sizeof(char));
if (mac_symbol_name == NULL)
return NULL;
mac_symbol_name[0] = '_';
strcpy(&(mac_symbol_name[1]), function);
NSSymbol symbol = NSLookupSymbolInImage(devILUhandle, mac_symbol_name, NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR);
free(mac_symbol_name);
if (symbol == NULL)
return NULL;
return NSAddressOfSymbol(symbol);
#endif
}
/**
@ -77,12 +57,11 @@ bool extilu_Open(JNIEnv *env, jobjectArray ilPaths) {
printfDebug("Testing '%s'\n", path_str);
#ifdef _WIN32
devILUhandle = LoadLibrary(path_str);
#endif
#ifdef _X11
#else
devILUhandle = dlopen(path_str, RTLD_LAZY);
#endif
#ifdef _MACOSX
devILUhandle = NSAddImage(path_str, NSADDIMAGE_OPTION_RETURN_ON_ERROR);
if(devILUhandle == NULL) {
printfDebug("dlopen failure: %s", dlerror());
}
#endif
if (devILUhandle != NULL) {
printfDebug("Found ilu at '%s'\n", path_str);
@ -103,14 +82,10 @@ bool extilu_Open(JNIEnv *env, jobjectArray ilPaths) {
void extilu_Close(void) {
#ifdef _WIN32
FreeLibrary(devILUhandle);
#endif
#ifdef _X11
#else
if (devILUhandle != NULL) {
dlclose(devILUhandle);
}
#endif
#ifdef _MACOSX
// Cannot remove the image
#endif
devILUhandle = NULL;
}

49
src/native/common/devil/extilut.c
View file

@ -1,18 +1,11 @@
/* Handle to ilut Library */
#ifdef _WIN32
#include "extilut.h"
static HMODULE devILUThandle;
#endif
#ifdef _X11
#include "extilut.h"
static void* devILUThandle;
#endif
#ifdef _MACOSX
#include <mach-o/dyld.h>
#include <stdlib.h>
#include <string.h>
static const struct mach_header* devILUThandle;
#include "extilut.h"
#include "extilut.h"
static HMODULE devILUThandle;
#else
#include <dlfcn.h>
#include "extilut.h"
static void* devILUThandle;
#endif
/**
@ -22,22 +15,9 @@ static const struct mach_header* devILUThandle;
static void *NativeGetFunctionPointer(const char *function) {
#ifdef _WIN32
return GetProcAddress(devILUThandle, function);
#endif
#ifdef _X11
#else
return dlsym(devILUThandle, function);
#endif
#ifdef _MACOSX
char *mac_symbol_name = (char *)malloc((strlen(function) + 2)*sizeof(char));
if (mac_symbol_name == NULL)
return NULL;
mac_symbol_name[0] = '_';
strcpy(&(mac_symbol_name[1]), function);
NSSymbol symbol = NSLookupSymbolInImage(devILUThandle, mac_symbol_name, NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR);
free(mac_symbol_name);
if (symbol == NULL)
return NULL;
return NSAddressOfSymbol(symbol);
#endif
}
/**
@ -77,12 +57,11 @@ bool extilut_Open(JNIEnv *env, jobjectArray ilPaths) {
printfDebug("Testing '%s'\n", path_str);
#ifdef _WIN32
devILUThandle = LoadLibrary(path_str);
#endif
#ifdef _X11
#else
devILUThandle = dlopen(path_str, RTLD_LAZY);
#endif
#ifdef _MACOSX
devILUThandle = NSAddImage(path_str, NSADDIMAGE_OPTION_RETURN_ON_ERROR);
if(devILUThandle == NULL) {
printfDebug("dlopen failure: %s", dlerror());
}
#endif
if (devILUThandle != NULL) {
printfDebug("Found ilut at '%s'\n", path_str);
@ -103,14 +82,10 @@ bool extilut_Open(JNIEnv *env, jobjectArray ilPaths) {
void extilut_Close(void) {
#ifdef _WIN32
FreeLibrary(devILUThandle);
#endif
#ifdef _X11
#else
if (devILUThandle != NULL) {
dlclose(devILUThandle);
}
#endif
#ifdef _MACOSX
// Cannot remove the image
#endif
devILUThandle = NULL;
}