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17 nishi 1 
/* $Id: module.c 313 2024-10-13 23:22:06Z nishi $ */
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18 nishi 3 
#define SOURCE
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17 nishi 5 
#include "tw_module.h"
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#include "tw_config.h"
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#include <cm_string.h>
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#include <cm_log.h>
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156 nishi 12 
#include <string.h>
212 nishi 13 
#include <stdlib.h>
215 nishi 14 
#if !defined(_MSC_VER) && !defined(__BORLANDC__)
17 nishi 15 
#include <unistd.h>
212 nishi 16 
#endif
17 nishi 17 
 
182 nishi 18 
extern struct tw_config config;
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189 nishi 20 
#if defined(_PSP) || defined(__PPU__) || defined(__ps2sdk__)
182 nishi 21 
void* tw_module_load(const char* path) { return NULL; }
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void* tw_module_symbol(void* mod, const char* sym) { return NULL; }
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int tw_module_init(void* mod) { return 1; }
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#else
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219 nishi 29 
#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
312 nishi 30 
#ifdef __OS2__
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#define INCL_DOSMODULEMGR
313 nishi 32 
#define INCL_DOSERRORS
312 nishi 33 
#include <os2.h>
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#else
17 nishi 35 
#include <windows.h>
217 nishi 36 
#include <direct.h>
312 nishi 37 
#endif
17 nishi 38 
#else
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#include <dlfcn.h>
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#endif
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void* tw_module_load(const char* path) {
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	char* p = getcwd(NULL, 0);
212 nishi 44 
	void* lib;
312 nishi 45 
	char tmp[512];
313 nishi 46 
#ifdef __OS2__
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	HMODULE mod;
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#endif
17 nishi 49 
	chdir(config.server_root);
219 nishi 50 
#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
312 nishi 51 
#ifdef __OS2__
313 nishi 52 
	if(DosLoadModule(tmp, 512, path, &mod) != NO_ERROR){
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		return NULL;
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	}
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	lib = (void*)mod;
312 nishi 56 
#else
17 nishi 57 
	lib = LoadLibraryA(path);
312 nishi 58 
#endif
17 nishi 59 
#else
25 nishi 60 
	lib = dlopen(path, RTLD_LAZY);
17 nishi 61 
#endif
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	if(lib == NULL) {
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		cm_log("Module", "Could not load %s", path);
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	}
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	chdir(p);
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	free(p);
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	return lib;
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}
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void* tw_module_symbol(void* mod, const char* sym) {
219 nishi 71 
#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
312 nishi 72 
#ifdef __OS2__
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	void* ret;
313 nishi 74 
	APIRET rc;
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	if((rc = DosQueryProcAddr((HMODULE)mod, 0, sym, (PFN*)&ret)) != NO_ERROR){
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		cm_log("Module", "OS/2 error %d", (int)rc);
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		return NULL;
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	}
312 nishi 79 
	return ret;
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#else
17 nishi 81 
	return GetProcAddress(mod, sym);
312 nishi 82 
#endif
17 nishi 83 
#else
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	return dlsym(mod, sym);
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#endif
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}
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182 nishi 88 
int tw_module_init(void* mod) {
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	tw_mod_init_t mod_init = (tw_mod_init_t)tw_module_symbol(mod, "mod_init");
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	if(mod_init == NULL) {
313 nishi 91 
		cm_log("Module", "Could not find a init call");
182 nishi 92 
		return 1;
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	} else {
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		struct tw_tool tools;
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		tw_init_tools(&tools);
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		return mod_init(&config, &tools);
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	}
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}
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#endif
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18 nishi 101 
void tw_add_version(const char* string) {
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	if(config.extension == NULL) {
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		config.extension = cm_strcat(" ", string);
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	} else {
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		char* tmp = config.extension;
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		config.extension = cm_strcat3(tmp, " ", string);
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		free(tmp);
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	}
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}
17 nishi 110 
 
156 nishi 111 
void tw_add_define(const char* string) {
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	int i;
159 nishi 113 
	for(i = 0; config.defined[i] != NULL; i++) {
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		if(strcmp(config.defined[i], string) == 0) {
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			return;
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		}
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	}
156 nishi 118 
	for(i = 0; config.defined[i] != NULL; i++)
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		;
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	config.defined[i] = cm_strdup(string);
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	config.defined[i + 1] = NULL;
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}
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void tw_delete_define(const char* string) {
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	int i;
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	for(i = 0; config.defined[i] != NULL; i++) {
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		if(strcmp(config.defined[i], string) == 0) {
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			free(config.defined[i]);
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			for(; config.defined[i] != NULL; i++) {
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				config.defined[i] = config.defined[i + 1];
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			}
159 nishi 132 
			break;
156 nishi 133 
		}
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	}
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}
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18 nishi 137 
void tw_init_tools(struct tw_tool* tools) {
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	tools->log = cm_log;
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	tools->add_version = tw_add_version;
156 nishi 140 
	tools->add_define = tw_add_define;
18 nishi 141 
}