mirror of
https://github.com/gryf/wmaker.git
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147 lines
3.8 KiB
C
147 lines
3.8 KiB
C
/* plugin.c- plugin
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*
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* Window Maker window manager
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*
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* Copyright (c) hmmm... Should I put everybody's name here?
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* Where's my lawyer?? -- ]d :D
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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* USA.
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*
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* * * * * * * * *
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* Do you think I should move this code into another file? -- ]d
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*/
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#include "plugin.h"
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/* GAH! */
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#ifdef DRAWSTRING_PLUGIN
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#ifdef TEXTURE_PLUGIN
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# ifdef HAVE_DLFCN_H
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# include <dlfcn.h>
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# endif
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#endif
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#include <proplist.h>
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WPluginData*
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wPluginPackData(int members, ...)
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{
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void **p;
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va_list vp;
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int i;
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WPluginData *data;
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data = wmalloc(sizeof(WPluginData));
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data->size = members;
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data->array = wmalloc(sizeof(void *) * (members));
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memset(data->array, 0, sizeof(void *) * (members));
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va_start(vp, members);
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for(i=0;i<members;i++) {
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data->array[i] = va_arg(vp, void *);
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}
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va_end(vp);
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return data;
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}
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WFunction *
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wPluginCreateFunction(int type, char *library_name,
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char *init_proc_name, WPluginData *proc_name, char *free_data_proc_name,
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proplist_t pl_arg, WPluginData *init_data)
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{
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WFunction *function;
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_DL_InitDataProc *initProc;
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int i;
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function = wmalloc(sizeof(WFunction));
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memset(function, 0, sizeof(WFunction));
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function->handle = dlopen(library_name, RTLD_LAZY);
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if (!function->handle) {
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wwarning(_("library \"%s\" cound not be opened."), library_name);
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wfree(function);
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return NULL;
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}
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i = proc_name->size;
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function->proc.any = wmalloc(sizeof(_DL_AnyProc) * i);
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for (i = 0; i < proc_name->size; i++) {
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function->proc.any[i] = dlsym(function->handle, (char *)proc_name->array[i]);
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if (!function->proc.any[i]) {
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wwarning(_("function \"%s\" not found in library \"%s\""), proc_name, library_name);
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dlclose(function->handle);
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wfree(function->proc.any);
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wfree(function);
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return NULL;
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}
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}
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if (free_data_proc_name) {
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function->freeData = dlsym(function->handle, free_data_proc_name);
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if (!function->freeData) {
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wwarning(_("function \"%s\" not found in library \"%s\""), free_data_proc_name, library_name);
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/*
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dlclose(function->handle);
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wfree(function);
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return NULL;
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*/
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}
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}
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if (pl_arg) function->arg = PLDeepCopy(pl_arg);
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function->data = init_data;
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if (init_proc_name) {
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initProc = dlsym(function->handle, init_proc_name);
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if (initProc) {
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initProc(function->arg, function->data);
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} else {
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/* Where's my english teacher? -- ]d
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wwarning(_("ignore?"),?);
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*/
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}
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}
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function->type = type;
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return function;
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}
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void
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wPluginDestroyFunction(WFunction *function)
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{
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if (!function)
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return;
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if (function->data) {
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if (function->freeData)
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function->freeData(function->arg, function->data);
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wfree(function->data);
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}
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if (function->arg) PLRelease(function->arg);
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if (function->proc.any) wfree(function->proc.any);
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wfree(function);
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return;
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}
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#endif
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