plugin.c

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00001 /***************************************************************************
00002  $RCSfile$
00003  -------------------
00004  cvs         : $Id$
00005  begin       : Thu Apr 03 2003
00006  copyright   : (C) 2003 by Martin Preuss
00007  email       : martin@libchipcard.de
00008 
00009  ***************************************************************************
00010  *                                                                         *
00011  *   This library is free software; you can redistribute it and/or         *
00012  *   modify it under the terms of the GNU Lesser General Public            *
00013  *   License as published by the Free Software Foundation; either          *
00014  *   version 2.1 of the License, or (at your option) any later version.    *
00015  *                                                                         *
00016  *   This library is distributed in the hope that it will be useful,       *
00017  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
00018  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
00019  *   Lesser General Public License for more details.                       *
00020  *                                                                         *
00021  *   You should have received a copy of the GNU Lesser General Public      *
00022  *   License along with this library; if not, write to the Free Software   *
00023  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *
00024  *   MA  02111-1307  USA                                                   *
00025  *                                                                         *
00026  ***************************************************************************/
00027 
00028 #ifdef HAVE_CONFIG_H
00029 # include <config.h>
00030 #endif
00031 
00032 #include "plugin_p.h"
00033 #include <gwenhywfar/buffer.h>
00034 #include <gwenhywfar/debug.h>
00035 #include <gwenhywfar/directory.h>
00036 #include <gwenhywfar/pathmanager.h>
00037 #include <gwenhywfar/gwenhywfar.h>
00038 
00039 #include <sys/types.h>
00040 #include <sys/stat.h>
00041 #ifdef HAVE_UNISTD_H
00042 # include <unistd.h>
00043 #endif
00044 #include <errno.h>
00045 #include <string.h>
00046 #ifdef HAVE_STRINGS_H
00047 # include <strings.h>
00048 #endif
00049 #include <ctype.h>
00050 
00051 #ifdef OS_WIN32
00052 # include <windows.h>
00053 #endif
00054 
00055 static GWEN_PLUGIN_MANAGER_LIST *gwen_plugin_manager__list=0;
00056 
00057 
00058 GWEN_INHERIT_FUNCTIONS(GWEN_PLUGIN)
00059 GWEN_LIST_FUNCTIONS(GWEN_PLUGIN, GWEN_Plugin)
00060 GWEN_INHERIT_FUNCTIONS(GWEN_PLUGIN_MANAGER)
00061 GWEN_LIST_FUNCTIONS(GWEN_PLUGIN_MANAGER, GWEN_PluginManager)
00062 
00063 
00064 
00065 int GWEN_Plugin_ModuleInit(){
00066   gwen_plugin_manager__list=GWEN_PluginManager_List_new();
00067   return 0;
00068 }
00069 
00070 
00071 
00072 int GWEN_Plugin_ModuleFini(){
00073   GWEN_PluginManager_List_free(gwen_plugin_manager__list);
00074   return 0;
00075 }
00076 
00077 
00078 
00079 GWEN_PLUGIN *GWEN_Plugin_new(GWEN_PLUGIN_MANAGER *pm,
00080                              const char *name,
00081                              const char *fileName){
00082   GWEN_PLUGIN *p;
00083 
00084   assert(pm);
00085   assert(name);
00086   GWEN_NEW_OBJECT(GWEN_PLUGIN, p);
00087   DBG_MEM_INC("GWEN_PLUGIN", 0);
00088   p->refCount=1;
00089   GWEN_INHERIT_INIT(GWEN_PLUGIN, p);
00090   GWEN_LIST_INIT(GWEN_PLUGIN, p);
00091   p->manager=pm;
00092   p->name=strdup(name);
00093   if (fileName)
00094     p->fileName=strdup(fileName);
00095 
00096   return p;
00097 }
00098 
00099 
00100 
00101 void GWEN_Plugin_free(GWEN_PLUGIN *p){
00102   if (p) {
00103     DBG_MEM_DEC("GWEN_PLUGIN");
00104     assert(p->refCount);
00105     if (--(p->refCount)==0) {
00106       GWEN_INHERIT_FINI(GWEN_PLUGIN, p);
00107       free(p->name);
00108       free(p->fileName);
00109       if (p->libLoader) {
00110         GWEN_LibLoader_CloseLibrary(p->libLoader);
00111         GWEN_LibLoader_free(p->libLoader);
00112       }
00113       GWEN_LIST_FINI(GWEN_PLUGIN, p);
00114       GWEN_FREE_OBJECT(p);
00115     } /* if refCount reaches zero */
00116   } /* if p */
00117 }
00118 
00119 
00120 
00121 void GWEN_Plugin_Attach(GWEN_PLUGIN *p){
00122   assert(p);
00123   assert(p->refCount);
00124   DBG_MEM_INC("GWEN_PLUGIN", 1);
00125   p->refCount++;
00126 }
00127 
00128 
00129 
00130 GWEN_PLUGIN_MANAGER *GWEN_Plugin_GetManager(const GWEN_PLUGIN *p){
00131   assert(p);
00132   return p->manager;
00133 }
00134 
00135 
00136 
00137 const char *GWEN_Plugin_GetName(const GWEN_PLUGIN *p){
00138   assert(p);
00139   return p->name;
00140 }
00141 
00142 
00143 
00144 const char *GWEN_Plugin_GetFileName(const GWEN_PLUGIN *p){
00145   assert(p);
00146   return p->fileName;
00147 }
00148 
00149 
00150 
00151 GWEN_LIBLOADER *GWEN_Plugin_GetLibLoader(const GWEN_PLUGIN *p){
00152   assert(p);
00153   return p->libLoader;
00154 }
00155 
00156 
00157 
00158 void GWEN_Plugin_SetLibLoader(GWEN_PLUGIN *p, GWEN_LIBLOADER *ll){
00159   assert(p);
00160   p->libLoader=ll;
00161 }
00162 
00163 
00164 
00165 
00166 
00167 
00168 
00169 
00170 GWEN_PLUGIN_MANAGER *GWEN_PluginManager_new(const char *name,
00171                                             const char *destLib){
00172   GWEN_PLUGIN_MANAGER *pm;
00173 
00174   assert(name);
00175   assert(destLib);
00176   GWEN_NEW_OBJECT(GWEN_PLUGIN_MANAGER, pm);
00177   DBG_MEM_INC("GWEN_PLUGIN_MANAGER", 0);
00178   GWEN_INHERIT_INIT(GWEN_PLUGIN_MANAGER, pm);
00179   GWEN_LIST_INIT(GWEN_PLUGIN_MANAGER, pm);
00180   pm->name=strdup(name);
00181   pm->destLib=strdup(destLib);
00182   pm->plugins=GWEN_Plugin_List_new();
00183 
00184   return pm;
00185 }
00186 
00187 
00188 
00189 void GWEN_PluginManager_free(GWEN_PLUGIN_MANAGER *pm){
00190   if (pm) {
00191     DBG_MEM_DEC("GWEN_PLUGIN_MANAGER");
00192     GWEN_Plugin_List_free(pm->plugins);
00193     GWEN_INHERIT_FINI(GWEN_PLUGIN_MANAGER, pm);
00194     free(pm->destLib);
00195     free(pm->name);
00196     GWEN_LIST_FINI(GWEN_PLUGIN_MANAGER, pm);
00197     GWEN_FREE_OBJECT(pm);
00198   }
00199 }
00200 
00201 
00202 
00203 const char *GWEN_PluginManager_GetName(const GWEN_PLUGIN_MANAGER *pm){
00204   assert(pm);
00205   return pm->name;
00206 }
00207 
00208 
00209 
00210 int GWEN_PluginManager_AddPath(GWEN_PLUGIN_MANAGER *pm,
00211                                const char *callingLib,
00212                                const char *s){
00213   assert(pm);
00214   return GWEN_PathManager_AddPath(callingLib,
00215                                   pm->destLib,
00216                                   pm->name,
00217                                   s);
00218 }
00219 
00220 
00221 
00222 int GWEN_PluginManager_AddRelPath(GWEN_PLUGIN_MANAGER *pm,
00223                                   const char *callingLib,
00224                                   const char *s,
00225                                   GWEN_PATHMANAGER_RELMODE rm) {
00226   assert(pm);
00227   return GWEN_PathManager_AddRelPath(callingLib,
00228                                      pm->destLib,
00229                                      pm->name,
00230                                      s,
00231                                      rm);
00232 }
00233 
00234 
00235 
00236 int GWEN_PluginManager_InsertPath(GWEN_PLUGIN_MANAGER *pm,
00237                                   const char *callingLib,
00238                                   const char *s) {
00239   assert(pm);
00240   return GWEN_PathManager_InsertPath(callingLib,
00241                                      pm->destLib,
00242                                      pm->name,
00243                                      s);
00244 }
00245 
00246 
00247 
00248 int GWEN_PluginManager_RemovePath(GWEN_PLUGIN_MANAGER *pm,
00249                                   const char *callingLib,
00250                                   const char *s) {
00251   assert(pm);
00252   return GWEN_PathManager_RemovePath(callingLib,
00253                                      pm->destLib,
00254                                      pm->name,
00255                                      s);
00256 }
00257 
00258 
00259 
00260 int GWEN_PluginManager_AddPathFromWinReg(GWEN_PLUGIN_MANAGER *pm,
00261                                          const char *callingLib,
00262                                          const char *keypath,
00263                                          const char *varname){
00264 #ifdef OS_WIN32
00265   HKEY hkey;
00266   TCHAR nbuffer[MAX_PATH];
00267   BYTE vbuffer[MAX_PATH];
00268   DWORD nsize;
00269   DWORD vsize;
00270   DWORD typ;
00271   int i;
00272 
00273   assert(pm);
00274 
00275   snprintf(nbuffer, sizeof(nbuffer), keypath);
00276 
00277   /* open the key */
00278   if (RegOpenKey(HKEY_LOCAL_MACHINE, nbuffer, &hkey)){
00279     DBG_INFO(GWEN_LOGDOMAIN, "RegOpenKey %s failed.", keypath);
00280     return 1;
00281   }
00282 
00283   /* find the variablename  */
00284   for (i=0;; i++) {
00285     nsize=sizeof(nbuffer);
00286     vsize=sizeof(vbuffer);
00287     if (ERROR_SUCCESS!=RegEnumValue(hkey,
00288                                     i,    /* index */
00289                                     nbuffer,
00290                                     &nsize,
00291                                     0,       /* reserved */
00292                                     &typ,
00293                                     vbuffer,
00294                                     &vsize))
00295       break;
00296     if (strcasecmp(nbuffer, varname)==0 && typ==REG_SZ) {
00297       /* variable found */
00298       RegCloseKey(hkey);
00299       return GWEN_PathManager_AddPath(callingLib,
00300                                       pm->destLib,
00301                                       pm->name,
00302                                       (char*)vbuffer);
00303     }
00304   } /* for */
00305 
00306   RegCloseKey(hkey);
00307   DBG_INFO(GWEN_LOGDOMAIN,
00308            "In RegKey \"%s\" the variable \"%s\" does not exist",
00309            keypath, varname);
00310   return 1;
00311 
00312 #else /* OS_WIN32 */
00313   return 0;
00314 #endif /* OS_WIN32 */
00315 }
00316 
00317 
00318 
00319 GWEN_PLUGIN *GWEN_PluginManager_LoadPlugin(GWEN_PLUGIN_MANAGER *pm,
00320                                            const char *modname){
00321 #ifdef ENABLE_PLUGIN_LOADING
00322   GWEN_LIBLOADER *ll;
00323   GWEN_PLUGIN *plugin;
00324   GWEN_PLUGIN_FACTORYFN fn;
00325   void *p;
00326   GWEN_BUFFER *nbuf;
00327   const char *s;
00328   const char *fname;
00329   int err;
00330   GWEN_STRINGLIST *sl;
00331   GWEN_STRINGLISTENTRY *se;
00332 
00333   assert(pm);
00334   ll=GWEN_LibLoader_new();
00335   sl=GWEN_PathManager_GetPaths(pm->destLib, pm->name);
00336   if (sl==NULL) {
00337     DBG_ERROR(GWEN_LOGDOMAIN, "No paths for plugins (%s)", pm->name);
00338     GWEN_LibLoader_free(ll);
00339     return NULL;
00340   }
00341   nbuf=GWEN_Buffer_new(0, 128, 0, 1);
00342   s=modname;
00343   while(*s) GWEN_Buffer_AppendByte(nbuf, tolower(*(s++)));
00344   se=GWEN_StringList_FirstEntry(sl);
00345   fname=0;
00346   while(se) {
00347     fname=GWEN_StringListEntry_Data(se);
00348     assert(fname);
00349     if (GWEN_LibLoader_OpenLibraryWithPath(ll, fname,
00350                                            GWEN_Buffer_GetStart(nbuf))==0)
00351       break;
00352     else {
00353       DBG_DEBUG(GWEN_LOGDOMAIN,
00354                 "Could not load plugin \"%s\" from \"%s\"", modname, fname);
00355     }
00356     se=GWEN_StringListEntry_Next(se);
00357   }
00358   if (!se) {
00359     DBG_ERROR(GWEN_LOGDOMAIN, "Plugin \"%s\" not found.", modname);
00360     GWEN_Buffer_free(nbuf);
00361     GWEN_StringList_free(sl);
00362     GWEN_LibLoader_free(ll);
00363     return NULL;
00364   }
00365   GWEN_Buffer_free(nbuf);
00366 
00367   /* create name of init function */
00368   nbuf=GWEN_Buffer_new(0, 128, 0, 1);
00369   s=pm->name;
00370   while(*s) GWEN_Buffer_AppendByte(nbuf, tolower(*(s++)));
00371   GWEN_Buffer_AppendByte(nbuf, '_');
00372   s=modname;
00373   while(*s) GWEN_Buffer_AppendByte(nbuf, tolower(*(s++)));
00374   GWEN_Buffer_AppendString(nbuf, "_factory");
00375 
00376   /* resolve name of factory function */
00377   err=GWEN_LibLoader_Resolve(ll, GWEN_Buffer_GetStart(nbuf), &p);
00378   if (err) {
00379     DBG_ERROR_ERR(GWEN_LOGDOMAIN, err);
00380     GWEN_Buffer_free(nbuf);
00381     GWEN_LibLoader_CloseLibrary(ll);
00382     GWEN_StringList_free(sl);
00383     GWEN_LibLoader_free(ll);
00384     return 0;
00385   }
00386   GWEN_Buffer_free(nbuf);
00387 
00388   fn=(GWEN_PLUGIN_FACTORYFN)p;
00389   assert(fn);
00390   plugin=fn(pm, modname, fname);
00391   if (!plugin) {
00392     DBG_ERROR(GWEN_LOGDOMAIN, "Error in plugin: No plugin created");
00393     GWEN_LibLoader_CloseLibrary(ll);
00394     GWEN_StringList_free(sl);
00395     GWEN_LibLoader_free(ll);
00396     return 0;
00397   }
00398 
00399   /* store libloader */
00400   GWEN_StringList_free(sl);
00401   GWEN_Plugin_SetLibLoader(plugin, ll);
00402   return plugin;
00403 #else
00404   DBG_ERROR(GWEN_LOGDOMAIN, "Loading of plugins is disabled");
00405   return NULL;
00406 #endif
00407 }
00408 
00409 
00410 
00411 GWEN_PLUGIN *GWEN_PluginManager_LoadPluginFile(GWEN_PLUGIN_MANAGER *pm,
00412                                                const char *modname,
00413                                                const char *fname){
00414 #ifdef ENABLE_PLUGIN_LOADING
00415   GWEN_LIBLOADER *ll;
00416   GWEN_PLUGIN *plugin;
00417   GWEN_PLUGIN_FACTORYFN fn;
00418   void *p;
00419   GWEN_BUFFER *nbuf;
00420   const char *s;
00421   int err;
00422 
00423   ll=GWEN_LibLoader_new();
00424   if (GWEN_LibLoader_OpenLibrary(ll, fname)) {
00425     DBG_INFO(GWEN_LOGDOMAIN,
00426              "Could not load plugin \"%s\" (%s)", modname, fname);
00427     GWEN_LibLoader_free(ll);
00428     return 0;
00429   }
00430 
00431   /* create name of init function */
00432   nbuf=GWEN_Buffer_new(0, 128, 0, 1);
00433   s=pm->name;
00434   while(*s) GWEN_Buffer_AppendByte(nbuf, tolower(*(s++)));
00435   GWEN_Buffer_AppendByte(nbuf, '_');
00436   s=modname;
00437   while(*s) GWEN_Buffer_AppendByte(nbuf, tolower(*(s++)));
00438   GWEN_Buffer_AppendString(nbuf, "_factory");
00439 
00440   /* resolve name of factory function */
00441   err=GWEN_LibLoader_Resolve(ll, GWEN_Buffer_GetStart(nbuf), &p);
00442   if (err) {
00443     DBG_INFO_ERR(GWEN_LOGDOMAIN, err);
00444     GWEN_Buffer_free(nbuf);
00445     GWEN_LibLoader_CloseLibrary(ll);
00446     GWEN_LibLoader_free(ll);
00447     return 0;
00448   }
00449   GWEN_Buffer_free(nbuf);
00450 
00451   fn=(GWEN_PLUGIN_FACTORYFN)p;
00452   assert(fn);
00453   plugin=fn(pm, modname, fname);
00454   if (!plugin) {
00455     DBG_INFO(GWEN_LOGDOMAIN, "Error in plugin: No plugin created");
00456     GWEN_LibLoader_CloseLibrary(ll);
00457     GWEN_LibLoader_free(ll);
00458     return 0;
00459   }
00460 
00461   /* store libloader */
00462   GWEN_Plugin_SetLibLoader(plugin, ll);
00463 
00464   return plugin;
00465 #else
00466   DBG_ERROR(GWEN_LOGDOMAIN, "Loading of plugins is disabled");
00467   return NULL;
00468 #endif
00469 }
00470 
00471 
00472 
00473 GWEN_PLUGIN *GWEN_PluginManager__FindPlugin(GWEN_PLUGIN_MANAGER *pm,
00474                                             const char *s){
00475   GWEN_PLUGIN *p;
00476 
00477   assert(pm);
00478   p=GWEN_Plugin_List_First(pm->plugins);
00479   while(p) {
00480     if (strcasecmp(p->name, s)==0)
00481       break;
00482     p=GWEN_Plugin_List_Next(p);
00483   }
00484 
00485   return p;
00486 }
00487 
00488 
00489 
00490 GWEN_PLUGIN *GWEN_PluginManager_GetPlugin(GWEN_PLUGIN_MANAGER *pm,
00491                                           const char *s){
00492   GWEN_PLUGIN *p;
00493 
00494   p=GWEN_PluginManager__FindPlugin(pm, s);
00495   if (p)
00496     return p;
00497   p=GWEN_PluginManager_LoadPlugin(pm, s);
00498   if (p) {
00499     GWEN_Plugin_List_Add(p, pm->plugins);
00500     return p;
00501   }
00502   DBG_INFO(GWEN_LOGDOMAIN, "Plugin \"%s\" not found", s);
00503   return 0;
00504 }
00505 
00506 
00507 
00508 GWEN_PLUGIN_MANAGER *GWEN_PluginManager_FindPluginManager(const char *s){
00509   GWEN_PLUGIN_MANAGER *pm;
00510 
00511   pm=GWEN_PluginManager_List_First(gwen_plugin_manager__list);
00512   while(pm) {
00513     if (strcasecmp(pm->name, s)==0)
00514       break;
00515     pm=GWEN_PluginManager_List_Next(pm);
00516   }
00517 
00518   return pm;
00519 }
00520 
00521 
00522 
00523 int GWEN_PluginManager_Register(GWEN_PLUGIN_MANAGER *pm){
00524   GWEN_PLUGIN_MANAGER *tpm;
00525   int rv;
00526 
00527   assert(gwen_plugin_manager__list);
00528   assert(pm);
00529   tpm=GWEN_PluginManager_FindPluginManager(pm->name);
00530   if (tpm) {
00531     DBG_ERROR(GWEN_LOGDOMAIN,
00532               "Plugin type \"%s\" already registered",
00533               pm->name);
00534     return -1;
00535   }
00536 
00537   rv=GWEN_PathManager_DefinePath(pm->destLib, pm->name);
00538   if (rv) {
00539     DBG_INFO(GWEN_LOGDOMAIN, "Could not define path for plugin [%s:%s]",
00540              pm->destLib, pm->name);
00541     return rv;
00542   }
00543 
00544   GWEN_PluginManager_List_Add(pm, gwen_plugin_manager__list);
00545   DBG_INFO(GWEN_LOGDOMAIN,
00546            "Plugin type \"%s\" registered",
00547            pm->name);
00548   return 0;
00549 }
00550 
00551 
00552 
00553 int GWEN_PluginManager_Unregister(GWEN_PLUGIN_MANAGER *pm){
00554   GWEN_PLUGIN_MANAGER *tpm;
00555   int rv;
00556 
00557   assert(gwen_plugin_manager__list);
00558   assert(pm);
00559   tpm=GWEN_PluginManager_FindPluginManager(pm->name);
00560   if (!tpm) {
00561     DBG_ERROR(GWEN_LOGDOMAIN,
00562               "Plugin type \"%s\" not registered",
00563               pm->name);
00564     return -1;
00565   }
00566 
00567   rv=GWEN_PathManager_UndefinePath(pm->destLib, pm->name);
00568   if (rv) {
00569     DBG_INFO(GWEN_LOGDOMAIN, "Could not undefine path for plugin [%s:%s]",
00570              pm->destLib, pm->name);
00571     return rv;
00572   }
00573 
00574   GWEN_PluginManager_List_Del(pm);
00575   DBG_INFO(GWEN_LOGDOMAIN,
00576            "Plugin type \"%s\" unregistered",
00577            pm->name);
00578   return 0;
00579 }
00580 
00581 
00582 
00583 GWEN_PLUGIN_DESCRIPTION_LIST2*
00584 GWEN_PluginManager_GetPluginDescrs(GWEN_PLUGIN_MANAGER *pm){
00585   GWEN_PLUGIN_DESCRIPTION_LIST2 *pl;
00586   GWEN_STRINGLIST *sl;
00587   GWEN_STRINGLISTENTRY *se;
00588 
00589   sl=GWEN_PathManager_GetPaths(pm->destLib, pm->name);
00590   if (sl==NULL) {
00591     DBG_ERROR(GWEN_LOGDOMAIN, "No paths for plugins (%s)", pm->name);
00592     return NULL;
00593   }
00594   se=GWEN_StringList_FirstEntry(sl);
00595   if (!se) {
00596     DBG_ERROR(GWEN_LOGDOMAIN, "No paths given");
00597     GWEN_StringList_free(sl);
00598     return 0;
00599   }
00600 
00601   pl=GWEN_PluginDescription_List2_new();
00602   while(se) {
00603     int rv;
00604     const char *path;
00605 
00606     path=GWEN_StringListEntry_Data(se);
00607     assert(path);
00608     rv=GWEN_LoadPluginDescrsByType(path, pm->name, pl);
00609     if (rv) {
00610       DBG_INFO(GWEN_LOGDOMAIN,
00611                "Error loading plugin description in \"%s\"", path);
00612     }
00613     se=GWEN_StringListEntry_Next(se);
00614   } /* while */
00615 
00616   if (GWEN_PluginDescription_List2_GetSize(pl)==0) {
00617     GWEN_PluginDescription_List2_free(pl);
00618     GWEN_StringList_free(sl);
00619     return 0;
00620   }
00621 
00622   GWEN_StringList_free(sl);
00623   return pl;
00624 }
00625 
00626 
00627 GWEN_STRINGLIST *GWEN_PluginManager_GetPaths(const GWEN_PLUGIN_MANAGER *pm){
00628   assert(pm);
00629   return GWEN_PathManager_GetPaths(pm->destLib, pm->name);
00630 }
00631 
00632 
00633 
00634 GWEN_PLUGIN_DESCRIPTION*
00635 GWEN_PluginManager_GetPluginDescr(GWEN_PLUGIN_MANAGER *pm,
00636                                   const char *modName) {
00637   GWEN_PLUGIN_DESCRIPTION_LIST2 *dl;
00638 
00639   dl=GWEN_PluginManager_GetPluginDescrs(pm);
00640   if (dl==0)
00641     return 0;
00642   else {
00643     GWEN_PLUGIN_DESCRIPTION_LIST2_ITERATOR *dit;
00644 
00645     dit=GWEN_PluginDescription_List2_First(dl);
00646     if (dit) {
00647       GWEN_PLUGIN_DESCRIPTION *d;
00648 
00649       d=GWEN_PluginDescription_List2Iterator_Data(dit);
00650       while(d) {
00651         if (strcasecmp(GWEN_PluginDescription_GetName(d), modName)==0)
00652           break;
00653         d=GWEN_PluginDescription_List2Iterator_Next(dit);
00654       }
00655       GWEN_PluginDescription_List2Iterator_free(dit);
00656 
00657       if (d) {
00658         d=GWEN_PluginDescription_dup(d);
00659         GWEN_PluginDescription_List2_freeAll(dl);
00660         return d;
00661       }
00662     }
00663     GWEN_PluginDescription_List2_freeAll(dl);
00664   }
00665 
00666   return 0;
00667 }
00668 
00669 
00670 
00671 void GWEN_PluginManager_AddPlugin(GWEN_PLUGIN_MANAGER *pm, GWEN_PLUGIN *p) {
00672 #if 0
00673   DBG_ERROR(0, "Adding plugin [%s] of type [%s]",
00674             p->name, pm->name);
00675 #endif
00676   GWEN_Plugin_List_Add(p, pm->plugins);
00677 }
00678 
00679 
00680 
00681 
00682 
00683 

Generated on Wed Sep 3 15:21:59 2008 for gwenhywfar by  doxygen 1.5.6