added new modules file set

1 files changed, 102 insertions, 0 deletions

diff --git a/modules.c b/modules.c
new file mode 100644
index 00000000..eed6f4b8
--- /dev/null
+++ b/modules.c
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+/* modules.c
+ * This is the implementation of syslogd modules object.
+ * This object handles plug-ins and buil-in modules of all kind.
+ *
+ * File begun on 2007-07-22 by RGerhards
+ *
+ * Copyright 2007 Rainer Gerhards and Adiscon GmbH.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * A copy of the GPL can be found in the file "COPYING" in this distribution.
+ */
+#include "config.h"
+#include <stdio.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <assert.h>
+#include <errno.h>
+
+#include <unistd.h>
+#include <sys/file.h>
+
+#include "rsyslog.h"
+#include "modules.h"
+
+static modInfo_t *pLoadedModules = NULL;	/* list of currently-loaded modules */
+static modInfo_t *pLoadedModulesLast = NULL; /* tail-pointer */
+
+
+/* Construct a new module object
+ */
+static rsRetVal moduleConstruct(modInfo_t **pThis)
+{
+	modInfo_t *pNew;
+
+	if((pNew = calloc(1, sizeof(modInfo_t))) == NULL)
+		return RS_RET_OUT_OF_MEMORY;
+
+	/* OK, we got the element, now initialize members that should
+	 * not be zero-filled.
+	 */
+
+	*pThis = pNew;
+	return RS_RET_OK;
+}
+
+
+/* Add a module to the loaded module linked list
+ */
+static inline void addModToList(modInfo_t *pThis)
+{
+	assert(pThis != NULL);
+
+	if(pLoadedModules == NULL) {
+		pLoadedModules = pLoadedModulesLast = pThis;
+	} else {
+		/* there already exist entries */
+		pLoadedModulesLast->pNext = pThis;
+		pLoadedModulesLast = pThis;
+	}
+}
+
+
+/* Add an already-loaded module to the module linked list. This function does
+ * anything that is needed to fully initialize the module.
+ */
+rsRetVal doModInit(rsRetVal *doInit(), uchar *name)
+{
+	modInfo_t *pNew;
+	rsRetVal iRet;
+
+	if((iRet = moduleConstruct(&pNew)) != RS_RET_OK)
+		return iRet;
+
+	if((iRet = *doInit()) != RS_RET_OK)
+		return iRet;
+
+	/* OK, we know we can successfully work with the module. So we now fill the
+	 * rest of the data elements.
+	 */
+
+	pNew->pszModName = (uchar*) strdup((char*)name); /* we do not care if strdup() fails, we can accept that */
+
+	return RS_RET_OK;
+}
+/*
+ * vi:set ai:
+ */