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scuffed-code/icu4c/source/common/icuplug.c
Michael Ow 310c23c24e ICU-8578 Apply patch to fix some compiler warnings and related issues 
X-SVN-Rev: 30205
2011-06-10 18:56:08 +00:00

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/*
******************************************************************************
*
* Copyright (C) 2009-2011, International Business Machines
* Corporation and others. All Rights Reserved.
*
******************************************************************************
*
* FILE NAME : icuplug.c
*
* Date Name Description
* 10/29/2009 sl New.
******************************************************************************
*/
#include "unicode/icuplug.h"
#include "icuplugimp.h"
#include "cstring.h"
#include "cmemory.h"
#include "putilimp.h"
#include "ucln.h"
#include <stdio.h>
#ifndef UPLUG_TRACE
#define UPLUG_TRACE 0
#endif
#if UPLUG_TRACE
#include <stdio.h>
#define DBG(x) fprintf(stderr, "%s:%d: ",__FILE__,__LINE__); fprintf x
#endif
/**
* Internal structure of an ICU plugin.
*/
struct UPlugData {
UPlugEntrypoint *entrypoint; /**< plugin entrypoint */
uint32_t structSize; /**< initialized to the size of this structure */
uint32_t token; /**< must be U_PLUG_TOKEN */
void *lib; /**< plugin library, or NULL */
char libName[UPLUG_NAME_MAX]; /**< library name */
char sym[UPLUG_NAME_MAX]; /**< plugin symbol, or NULL */
char config[UPLUG_NAME_MAX]; /**< configuration data */
void *context; /**< user context data */
char name[UPLUG_NAME_MAX]; /**< name of plugin */
UPlugLevel level; /**< level of plugin */
UBool awaitingLoad; /**< TRUE if the plugin is awaiting a load call */
UBool dontUnload; /**< TRUE if plugin must stay resident (leak plugin and lib) */
UErrorCode pluginStatus; /**< status code of plugin */
};
#define UPLUG_LIBRARY_INITIAL_COUNT 8
#define UPLUG_PLUGIN_INITIAL_COUNT 12
/**
* Remove an item
* @param list the full list
* @param listSize the number of entries in the list
* @param memberSize the size of one member
* @param itemToRemove the item number of the member
* @return the new listsize
*/
static int32_t uplug_removeEntryAt(void *list, int32_t listSize, int32_t memberSize, int32_t itemToRemove) {
uint8_t *bytePtr = (uint8_t *)list;
/* get rid of some bad cases first */
if(listSize<1) {
return listSize;
}
/* is there anything to move? */
if(listSize > itemToRemove+1) {
memmove(bytePtr+(itemToRemove*memberSize), bytePtr+((itemToRemove+1)*memberSize), memberSize);
}
return listSize-1;
}
#if U_ENABLE_DYLOAD
/**
* Library management. Internal.
* @internal
*/
struct UPlugLibrary;
/**
* Library management. Internal.
* @internal
*/
typedef struct UPlugLibrary {
void *lib; /**< library ptr */
char name[UPLUG_NAME_MAX]; /**< library name */
uint32_t ref; /**< reference count */
} UPlugLibrary;
static UPlugLibrary staticLibraryList[UPLUG_LIBRARY_INITIAL_COUNT];
static UPlugLibrary * libraryList = staticLibraryList;
static int32_t libraryCount = 0;
static int32_t libraryMax = UPLUG_LIBRARY_INITIAL_COUNT;
/**
* Search for a library. Doesn't lock
* @param libName libname to search for
* @return the library's struct
*/
static int32_t searchForLibraryName(const char *libName) {
int32_t i;
for(i=0;i<libraryCount;i++) {
if(!uprv_strcmp(libName, libraryList[i].name)) {
return i;
}
}
return -1;
}
static int32_t searchForLibrary(void *lib) {
int32_t i;
for(i=0;i<libraryCount;i++) {
if(lib==libraryList[i].lib) {
return i;
}
}
return -1;
}
U_INTERNAL char * U_EXPORT2
uplug_findLibrary(void *lib, UErrorCode *status) {
int32_t libEnt;
char *ret = NULL;
if(U_FAILURE(*status)) {
return NULL;
}
libEnt = searchForLibrary(lib);
if(libEnt!=-1) {
ret = libraryList[libEnt].name;
} else {
*status = U_MISSING_RESOURCE_ERROR;
}
return ret;
}
U_INTERNAL void * U_EXPORT2
uplug_openLibrary(const char *libName, UErrorCode *status) {
int32_t libEntry = -1;
void *lib = NULL;
if(U_FAILURE(*status)) return NULL;
libEntry = searchForLibraryName(libName);
if(libEntry == -1) {
libEntry = libraryCount++;
if(libraryCount >= libraryMax) {
/* Ran out of library slots. Statically allocated because we can't depend on allocating memory.. */
*status = U_MEMORY_ALLOCATION_ERROR;
#if UPLUG_TRACE
DBG((stderr, "uplug_openLibrary() - out of library slots (max %d)\n", libraryMax));
#endif
return NULL;
}
/* Some operating systems don't want
DL operations from multiple threads. */
libraryList[libEntry].lib = uprv_dl_open(libName, status);
#if UPLUG_TRACE
DBG((stderr, "uplug_openLibrary(%s,%s) libEntry %d, lib %p\n", libName, u_errorName(*status), libEntry, lib));
#endif
if(libraryList[libEntry].lib == NULL || U_FAILURE(*status)) {
/* cleanup. */
libraryList[libEntry].lib = NULL; /* failure with open */
libraryList[libEntry].name[0] = 0;
#if UPLUG_TRACE
DBG((stderr, "uplug_openLibrary(%s,%s) libEntry %d, lib %p\n", libName, u_errorName(*status), libEntry, lib));
#endif
/* no need to free - just won't increase the count. */
libraryCount--;
} else { /* is it still there? */
/* link it in */
uprv_strncpy(libraryList[libEntry].name,libName,UPLUG_NAME_MAX);
libraryList[libEntry].ref=1;
lib = libraryList[libEntry].lib;
}
} else {
lib = libraryList[libEntry].lib;
libraryList[libEntry].ref++;
}
return lib;
}
U_INTERNAL void U_EXPORT2
uplug_closeLibrary(void *lib, UErrorCode *status) {
int32_t i;
#if UPLUG_TRACE
DBG((stderr, "uplug_closeLibrary(%p,%s) list %p\n", lib, u_errorName(*status), (void*)libraryList));
#endif
if(U_FAILURE(*status)) return;
for(i=0;i<libraryCount;i++) {
if(lib==libraryList[i].lib) {
if(--(libraryList[i].ref) == 0) {
uprv_dl_close(libraryList[i].lib, status);
libraryCount = uplug_removeEntryAt(libraryList, libraryCount, sizeof(*libraryList), i);
}
return;
}
}
*status = U_INTERNAL_PROGRAM_ERROR; /* could not find the entry! */
}
#endif
static UPlugData pluginList[UPLUG_PLUGIN_INITIAL_COUNT];
static int32_t pluginCount = 0;
static int32_t uplug_pluginNumber(UPlugData* d) {
UPlugData *pastPlug = &pluginList[pluginCount];
if(d<=pluginList) {
return 0;
} else if(d>=pastPlug) {
return pluginCount;
} else {
return (d-pluginList)/sizeof(pluginList[0]);
}
}
U_CAPI UPlugData * U_EXPORT2
uplug_nextPlug(UPlugData *prior) {
if(prior==NULL) {
return pluginList;
} else {
UPlugData *nextPlug = &prior[1];
UPlugData *pastPlug = &pluginList[pluginCount];
if(nextPlug>=pastPlug) {
return NULL;
} else {
return nextPlug;
}
}
}
/**
* Call the plugin with some params
*/
static void uplug_callPlug(UPlugData *plug, UPlugReason reason, UErrorCode *status) {
UPlugTokenReturn token;
if(plug==NULL||U_FAILURE(*status)) {
return;
}
token = (*(plug->entrypoint))(plug, reason, status);
if(token!=UPLUG_TOKEN) {
*status = U_INTERNAL_PROGRAM_ERROR;
}
}
static void uplug_unloadPlug(UPlugData *plug, UErrorCode *status) {
if(plug->awaitingLoad) { /* shouldn't happen. Plugin hasn'tbeen loaded yet.*/
*status = U_INTERNAL_PROGRAM_ERROR;
return;
}
if(U_SUCCESS(plug->pluginStatus)) {
/* Don't unload a plug which has a failing load status - means it didn't actually load. */
uplug_callPlug(plug, UPLUG_REASON_UNLOAD, status);
}
}
static void uplug_queryPlug(UPlugData *plug, UErrorCode *status) {
if(!plug->awaitingLoad || !(plug->level == UPLUG_LEVEL_UNKNOWN) ) { /* shouldn't happen. Plugin hasn'tbeen loaded yet.*/
*status = U_INTERNAL_PROGRAM_ERROR;
return;
}
plug->level = UPLUG_LEVEL_INVALID;
uplug_callPlug(plug, UPLUG_REASON_QUERY, status);
if(U_SUCCESS(*status)) {
if(plug->level == UPLUG_LEVEL_INVALID) {
plug->pluginStatus = U_PLUGIN_DIDNT_SET_LEVEL;
plug->awaitingLoad = FALSE;
}
} else {
plug->pluginStatus = U_INTERNAL_PROGRAM_ERROR;
plug->awaitingLoad = FALSE;
}
}
static void uplug_loadPlug(UPlugData *plug, UErrorCode *status) {
if(!plug->awaitingLoad || (plug->level < UPLUG_LEVEL_LOW) ) { /* shouldn't happen. Plugin hasn'tbeen loaded yet.*/
*status = U_INTERNAL_PROGRAM_ERROR;
return;
}
uplug_callPlug(plug, UPLUG_REASON_LOAD, status);
plug->awaitingLoad = FALSE;
if(!U_SUCCESS(*status)) {
plug->pluginStatus = U_INTERNAL_PROGRAM_ERROR;
}
}
static UPlugData *uplug_allocateEmptyPlug(UErrorCode *status)
{
UPlugData *plug = NULL;
if(U_FAILURE(*status)) {
return NULL;
}
if(pluginCount == UPLUG_PLUGIN_INITIAL_COUNT) {
*status = U_MEMORY_ALLOCATION_ERROR;
return NULL;
}
plug = &pluginList[pluginCount++];
plug->token = UPLUG_TOKEN;
plug->structSize = sizeof(UPlugData);
plug->name[0]=0;
plug->level = UPLUG_LEVEL_UNKNOWN; /* initialize to null state */
plug->awaitingLoad = TRUE;
plug->dontUnload = FALSE;
plug->pluginStatus = U_ZERO_ERROR;
plug->libName[0] = 0;
plug->config[0]=0;
plug->sym[0]=0;
plug->lib=NULL;
plug->entrypoint=NULL;
return plug;
}
static UPlugData *uplug_allocatePlug(UPlugEntrypoint *entrypoint, const char *config, void *lib, const char *symName,
UErrorCode *status) {
UPlugData *plug;
if(U_FAILURE(*status)) {
return NULL;
}
plug = uplug_allocateEmptyPlug(status);
if(config!=NULL) {
uprv_strncpy(plug->config, config, UPLUG_NAME_MAX);
} else {
plug->config[0] = 0;
}
if(symName!=NULL) {
uprv_strncpy(plug->sym, symName, UPLUG_NAME_MAX);
} else {
plug->sym[0] = 0;
}
plug->entrypoint = entrypoint;
plug->lib = lib;
uplug_queryPlug(plug, status);
return plug;
}
static void uplug_deallocatePlug(UPlugData *plug, UErrorCode *status) {
UErrorCode subStatus = U_ZERO_ERROR;
if(!plug->dontUnload) {
#if U_ENABLE_DYLOAD
uplug_closeLibrary(plug->lib, &subStatus);
#endif
}
plug->lib = NULL;
if(U_SUCCESS(*status) && U_FAILURE(subStatus)) {
*status = subStatus;
}
/* shift plugins up and decrement count. */
if(U_SUCCESS(*status)) {
/* all ok- remove. */
pluginCount = uplug_removeEntryAt(pluginList, pluginCount, sizeof(plug[0]), uplug_pluginNumber(plug));
} else {
/* not ok- leave as a message. */
plug->awaitingLoad=FALSE;
plug->entrypoint=0;
plug->dontUnload=TRUE;
}
}
static void uplug_doUnloadPlug(UPlugData *plugToRemove, UErrorCode *status) {
if(plugToRemove != NULL) {
uplug_unloadPlug(plugToRemove, status);
uplug_deallocatePlug(plugToRemove, status);
}
}
U_CAPI void U_EXPORT2
uplug_removePlug(UPlugData *plug, UErrorCode *status) {
UPlugData *cursor = NULL;
UPlugData *plugToRemove = NULL;
if(U_FAILURE(*status)) return;
for(cursor=pluginList;cursor!=NULL;) {
if(cursor==plug) {
plugToRemove = plug;
cursor=NULL;
} else {
cursor = uplug_nextPlug(cursor);
}
}
uplug_doUnloadPlug(plugToRemove, status);
}
U_CAPI void U_EXPORT2
uplug_setPlugNoUnload(UPlugData *data, UBool dontUnload)
{
data->dontUnload = dontUnload;
}
U_CAPI void U_EXPORT2
uplug_setPlugLevel(UPlugData *data, UPlugLevel level) {
data->level = level;
}
U_CAPI UPlugLevel U_EXPORT2
uplug_getPlugLevel(UPlugData *data) {
return data->level;
}
U_CAPI void U_EXPORT2
uplug_setPlugName(UPlugData *data, const char *name) {
uprv_strncpy(data->name, name, UPLUG_NAME_MAX);
}
U_CAPI const char * U_EXPORT2
uplug_getPlugName(UPlugData *data) {
return data->name;
}
U_CAPI const char * U_EXPORT2
uplug_getSymbolName(UPlugData *data) {
return data->sym;
}
U_CAPI const char * U_EXPORT2
uplug_getLibraryName(UPlugData *data, UErrorCode *status) {
if(data->libName[0]) {
return data->libName;
} else {
#if U_ENABLE_DYLOAD
return uplug_findLibrary(data->lib, status);
#else
return NULL;
#endif
}
}
U_CAPI void * U_EXPORT2
uplug_getLibrary(UPlugData *data) {
return data->lib;
}
U_CAPI void * U_EXPORT2
uplug_getContext(UPlugData *data) {
return data->context;
}
U_CAPI void U_EXPORT2
uplug_setContext(UPlugData *data, void *context) {
data->context = context;
}
U_CAPI const char* U_EXPORT2
uplug_getConfiguration(UPlugData *data) {
return data->config;
}
U_INTERNAL UPlugData* U_EXPORT2
uplug_getPlugInternal(int32_t n) {
if(n <0 || n >= pluginCount) {
return NULL;
} else {
return &(pluginList[n]);
}
}
U_CAPI UErrorCode U_EXPORT2
uplug_getPlugLoadStatus(UPlugData *plug) {
return plug->pluginStatus;
}
/**
* Initialize a plugin fron an entrypoint and library - but don't load it.
*/
static UPlugData* uplug_initPlugFromEntrypointAndLibrary(UPlugEntrypoint *entrypoint, const char *config, void *lib, const char *sym,
UErrorCode *status) {
UPlugData *plug = NULL;
plug = uplug_allocatePlug(entrypoint, config, lib, sym, status);
if(U_SUCCESS(*status)) {
return plug;
} else {
uplug_deallocatePlug(plug, status);
return NULL;
}
}
U_CAPI UPlugData* U_EXPORT2
uplug_loadPlugFromEntrypoint(UPlugEntrypoint *entrypoint, const char *config, UErrorCode *status) {
UPlugData* plug = uplug_initPlugFromEntrypointAndLibrary(entrypoint, config, NULL, NULL, status);
uplug_loadPlug(plug, status);
return plug;
}
static UPlugData*
uplug_initErrorPlug(const char *libName, const char *sym, const char *config, const char *nameOrError, UErrorCode loadStatus, UErrorCode *status)
{
UPlugData *plug = uplug_allocateEmptyPlug(status);
if(U_FAILURE(*status)) return NULL;
plug->pluginStatus = loadStatus;
plug->awaitingLoad = FALSE; /* Won't load. */
plug->dontUnload = TRUE; /* cannot unload. */
if(sym!=NULL) {
uprv_strncpy(plug->sym, sym, UPLUG_NAME_MAX);
}
if(libName!=NULL) {
uprv_strncpy(plug->libName, libName, UPLUG_NAME_MAX);
}
if(nameOrError!=NULL) {
uprv_strncpy(plug->name, nameOrError, UPLUG_NAME_MAX);
}
if(config!=NULL) {
uprv_strncpy(plug->config, config, UPLUG_NAME_MAX);
}
return plug;
}
/**
* Fetch a plugin from DLL, and then initialize it from a library- but don't load it.
*/
#if U_ENABLE_DYLOAD
static UPlugData*
uplug_initPlugFromLibrary(const char *libName, const char *sym, const char *config, UErrorCode *status) {
void *lib = NULL;
UPlugData *plug = NULL;
if(U_FAILURE(*status)) { return NULL; }
lib = uplug_openLibrary(libName, status);
if(lib!=NULL && U_SUCCESS(*status)) {
UPlugEntrypoint *entrypoint = NULL;
entrypoint = (UPlugEntrypoint*)uprv_dlsym_func(lib, sym, status);
if(entrypoint!=NULL&&U_SUCCESS(*status)) {
plug = uplug_initPlugFromEntrypointAndLibrary(entrypoint, config, lib, sym, status);
if(plug!=NULL&&U_SUCCESS(*status)) {
plug->lib = lib; /* plug takes ownership of library */
lib = NULL; /* library is now owned by plugin. */
}
} else {
UErrorCode subStatus = U_ZERO_ERROR;
plug = uplug_initErrorPlug(libName,sym,config,"ERROR: Could not load entrypoint",(lib==NULL)?U_MISSING_RESOURCE_ERROR:*status,&subStatus);
}
if(lib!=NULL) { /* still need to close the lib */
UErrorCode subStatus = U_ZERO_ERROR;
uplug_closeLibrary(lib, &subStatus); /* don't care here */
}
} else {
UErrorCode subStatus = U_ZERO_ERROR;
plug = uplug_initErrorPlug(libName,sym,config,"ERROR: could not load library",(lib==NULL)?U_MISSING_RESOURCE_ERROR:*status,&subStatus);
}
return plug;
}
U_CAPI UPlugData* U_EXPORT2
uplug_loadPlugFromLibrary(const char *libName, const char *sym, const char *config, UErrorCode *status) {
UPlugData *plug = NULL;
if(U_FAILURE(*status)) { return NULL; }
plug = uplug_initPlugFromLibrary(libName, sym, config, status);
uplug_loadPlug(plug, status);
return plug;
}
#endif
U_CAPI UPlugLevel U_EXPORT2 uplug_getCurrentLevel() {
if(cmemory_inUse()) {
return UPLUG_LEVEL_HIGH;
} else {
return UPLUG_LEVEL_LOW;
}
}
static UBool U_CALLCONV uplug_cleanup(void)
{
int32_t i;
UPlugData *pluginToRemove;
/* cleanup plugs */
for(i=0;i<pluginCount;i++) {
UErrorCode subStatus = U_ZERO_ERROR;
pluginToRemove = &pluginList[i];
/* unload and deallocate */
uplug_doUnloadPlug(pluginToRemove, &subStatus);
}
/* close other held libs? */
return TRUE;
}
static void uplug_loadWaitingPlugs(UErrorCode *status) {
int32_t i;
UPlugLevel currentLevel = uplug_getCurrentLevel();
if(U_FAILURE(*status)) {
return;
}
#if UPLUG_TRACE
DBG((stderr, "uplug_loadWaitingPlugs() Level: %d\n", currentLevel));
#endif
/* pass #1: low level plugs */
for(i=0;i<pluginCount;i++) {
UErrorCode subStatus = U_ZERO_ERROR;
UPlugData *pluginToLoad = &pluginList[i];
if(pluginToLoad->awaitingLoad) {
if(pluginToLoad->level == UPLUG_LEVEL_LOW) {
if(currentLevel > UPLUG_LEVEL_LOW) {
pluginToLoad->pluginStatus = U_PLUGIN_TOO_HIGH;
} else {
UPlugLevel newLevel;
uplug_loadPlug(pluginToLoad, &subStatus);
newLevel = uplug_getCurrentLevel();
if(newLevel > currentLevel) {
pluginToLoad->pluginStatus = U_PLUGIN_CHANGED_LEVEL_WARNING;
currentLevel = newLevel;
}
}
pluginToLoad->awaitingLoad = FALSE;
}
}
}
currentLevel = uplug_getCurrentLevel();
for(i=0;i<pluginCount;i++) {
UErrorCode subStatus = U_ZERO_ERROR;
UPlugData *pluginToLoad = &pluginList[i];
if(pluginToLoad->awaitingLoad) {
if(pluginToLoad->level == UPLUG_LEVEL_INVALID) {
pluginToLoad->pluginStatus = U_PLUGIN_DIDNT_SET_LEVEL;
} else if(pluginToLoad->level == UPLUG_LEVEL_UNKNOWN) {
pluginToLoad->pluginStatus = U_INTERNAL_PROGRAM_ERROR;
} else {
uplug_loadPlug(pluginToLoad, &subStatus);
}
pluginToLoad->awaitingLoad = FALSE;
}
}
#if UPLUG_TRACE
DBG((stderr, " Done Loading Plugs. Level: %d\n", (int32_t)uplug_getCurrentLevel()));
#endif
}
#if U_ENABLE_DYLOAD
/* Name of the plugin config file */
static char plugin_file[2048] = "";
#endif
U_INTERNAL const char* U_EXPORT2
uplug_getPluginFile() {
#if U_ENABLE_DYLOAD
return plugin_file;
#else
return NULL;
#endif
}
U_CAPI void U_EXPORT2
uplug_init(UErrorCode *status) {
#if !U_ENABLE_DYLOAD
(void)status; /* unused */
#else
const char *plugin_dir;
if(U_FAILURE(*status)) return;
plugin_dir = getenv("ICU_PLUGINS");
#if defined(DEFAULT_ICU_PLUGINS)
if(plugin_dir == NULL || !*plugin_dir) {
plugin_dir = DEFAULT_ICU_PLUGINS;
}
#endif
#if UPLUG_TRACE
DBG((stderr, "ICU_PLUGINS=%s\n", plugin_dir));
#endif
if(plugin_dir != NULL && *plugin_dir) {
FILE *f;
uprv_strncpy(plugin_file, plugin_dir, 2047);
uprv_strncat(plugin_file, U_FILE_SEP_STRING,2047);
uprv_strncat(plugin_file, "icuplugins",2047);
uprv_strncat(plugin_file, U_ICU_VERSION_SHORT ,2047);
uprv_strncat(plugin_file, ".txt" ,2047);
#if UPLUG_TRACE
DBG((stderr, "pluginfile= %s\n", plugin_file));
#endif
f = fopen(plugin_file, "r");
if(f != NULL) {
char linebuf[1024];
char *p, *libName=NULL, *symName=NULL, *config=NULL;
int32_t line = 0;
while(fgets(linebuf,1023,f)) {
line++;
if(!*linebuf || *linebuf=='#') {
continue;
} else {
p = linebuf;
while(*p&&isspace(*p))
p++;
if(!*p || *p=='#') continue;
libName = p;
while(*p&&!isspace(*p)) {
p++;
}
if(!*p || *p=='#') continue; /* no tab after libname */
*p=0; /* end of libname */
p++;
while(*p&&isspace(*p)) {
p++;
}
if(!*p||*p=='#') continue; /* no symname after libname +tab */
symName = p;
while(*p&&!isspace(*p)) {
p++;
}
if(*p) { /* has config */
*p=0;
++p;
while(*p&&isspace(*p)) {
p++;
}
if(*p) {
config = p;
}
}
/* chop whitespace at the end of the config */
if(config!=NULL&&*config!=0) {
p = config+strlen(config);
while(p>config&&isspace(*(--p))) {
*p=0;
}
}
/* OK, we're good. */
{
UErrorCode subStatus = U_ZERO_ERROR;
UPlugData *plug = uplug_initPlugFromLibrary(libName, symName, config, &subStatus);
if(U_FAILURE(subStatus) && U_SUCCESS(*status)) {
*status = subStatus;
}
#if UPLUG_TRACE
DBG((stderr, "PLUGIN libName=[%s], sym=[%s], config=[%s]\n", libName, symName, config));
DBG((stderr, " -> %p, %s\n", (void*)plug, u_errorName(subStatus)));
#else
(void)plug; /* unused */
#endif
}
}
}
fclose(f);
} else {
#if UPLUG_TRACE
DBG((stderr, "Can't open plugin file %s\n", plugin_file));
#endif
}
}
uplug_loadWaitingPlugs(status);
#endif /* U_ENABLE_DYLOAD */
ucln_registerCleanup(UCLN_UPLUG, uplug_cleanup);
}
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