/* conditions.c
* Implementation for condition handler.
*
- * $Id$
- *
- * Ethereal - Network traffic analyzer
- * By Gerald Combs <gerald@ethereal.com>
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
- * 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.
+ * SPDX-License-Identifier: GPL-2.0-or-later
*/
+#include <config.h>
+
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#include "conditions.h"
+#include "ws_attributes.h"
/* container for condition classes */
-static GHashTable* classes = NULL;
+static GHashTable *classes = NULL;
/* condition data structure declaration */
struct condition{
- char* class_id;
- void* user_data;
- _cnd_eval eval_func;
- _cnd_reset reset_func;
+ char *class_id;
+ void *user_data;
+ _cnd_eval eval_func;
+ _cnd_reset reset_func;
};
/* structure used to store class functions in GHashTable */
typedef struct _cnd_class{
_cnd_constr constr_func;
- _cnd_destr destr_func;
- _cnd_eval eval_func;
- _cnd_reset reset_func;
+ _cnd_destr destr_func;
+ _cnd_eval eval_func;
+ _cnd_reset reset_func;
} _cnd_class;
/* helper function prototypes */
static void _cnd_init(void);
static void _cnd_find_hash_key_for_class_id(gpointer, gpointer, gpointer);
-condition* cnd_new(const char* class_id, ...){
- va_list ap;
- condition *cnd = NULL, *cnd_ref = NULL;
- _cnd_class *cls = NULL;
- char* id = NULL;
+condition *cnd_new(const char *class_id, ...) {
+ va_list ap;
+ condition *cnd = NULL;
+ condition *cnd_ref = NULL;
+ _cnd_class *cls = NULL;
+ char *id = NULL;
+
/* check if hash table is already initialized */
_cnd_init();
+
/* get class structure for this id */
- if((cls = (_cnd_class*)g_hash_table_lookup(classes, class_id)) == NULL)
+ if ((cls = (_cnd_class *)g_hash_table_lookup(classes, class_id)) == NULL) {
+ g_warning("cnd_new: Couldn't find class ID \"%s\"", class_id);
return NULL;
+ }
+
/* initialize the basic structure */
- if((cnd_ref = (condition*)malloc(sizeof(condition))) == NULL) return NULL;
- cnd_ref->user_data = NULL;
- cnd_ref->eval_func = cls->eval_func;
- cnd_ref->reset_func = cls->reset_func;
- /* copy the class id */
- if((id = (char*)malloc(strlen(class_id)+1)) == NULL){
- free(cnd_ref);
+ if ((cnd_ref = (condition *)g_malloc(sizeof(condition))) == NULL)
return NULL;
- }
- strcpy(id, class_id);
- cnd_ref->class_id = id;
+ cnd_ref->user_data = NULL;
+ cnd_ref->eval_func = cls->eval_func;
+ cnd_ref->reset_func = cls->reset_func;
+
+ cnd_ref->class_id = g_strdup(class_id);
+
/* perform class specific initialization */
va_start(ap, class_id);
cnd = (cls->constr_func)(cnd_ref, ap);
va_end(ap);
+
/* check for successful construction */
- if(cnd == NULL){
- free(cnd_ref);
- free(id);
+ if (cnd == NULL) {
+ g_free(cnd_ref);
+ g_free(id);
}
return cnd;
} /* END cnd_new() */
-void cnd_delete(condition *cnd){
+void cnd_delete(condition *cnd) {
_cnd_class *cls = NULL;
- const char* class_id = cnd->class_id;
+ const char* class_id;
/* check for valid pointer */
- if(cnd == NULL) return;
+ if (cnd == NULL)
+ return;
+
+ class_id = cnd->class_id;
/* check if hash table is already initialized */
_cnd_init();
/* get the condition class */
- cls = (_cnd_class*)g_hash_table_lookup(classes, class_id);
+ cls = (_cnd_class *)g_hash_table_lookup(classes, class_id);
/* call class specific destructor */
- if(cls != NULL) (cls->destr_func)(cnd);
+ if (cls != NULL)
+ (cls->destr_func)(cnd);
/* free memory */
- free(cnd->class_id);
+ g_free(cnd->class_id);
/* free basic structure */
- free(cnd);
+ g_free(cnd);
} /* END cnd_delete() */
-gboolean cnd_eval(condition *cnd, ...){
+gboolean cnd_eval(condition *cnd, ...) {
va_list ap;
gboolean ret_val = FALSE;
/* validate cnd */
- if(cnd == NULL) return FALSE;
+ if (cnd == NULL)
+ return FALSE;
/* call specific handler */
va_start(ap, cnd);
ret_val = (cnd->eval_func)(cnd, ap);
return ret_val;
} /* END cnd_eval() */
-void cnd_reset(condition *cnd){
- if(cnd != NULL) (cnd->reset_func)(cnd);
+void cnd_reset(condition *cnd) {
+ if (cnd != NULL)
+ (cnd->reset_func)(cnd);
} /* END cnd_reset() */
-void* cnd_get_user_data(condition *cnd){
+void* cnd_get_user_data(condition *cnd) {
return cnd->user_data;
} /* END cnd_get_user_data() */
-void cnd_set_user_data(condition *cnd, void* user_data){
+void cnd_set_user_data(condition *cnd, void *user_data) {
cnd->user_data = user_data;
} /* END cnd_set_user_data() */
-gboolean cnd_register_class(const char* class_id,
+gboolean cnd_register_class(const char *class_id,
_cnd_constr constr_func,
- _cnd_destr destr_func,
- _cnd_eval eval_func,
- _cnd_reset reset_func){
- char* key = NULL;
+ _cnd_destr destr_func,
+ _cnd_eval eval_func,
+ _cnd_reset reset_func) {
+ char *key = NULL;
_cnd_class *cls = NULL;
/* check for valid parameters */
- if((constr_func == NULL) || (destr_func == NULL) ||
- (eval_func == NULL) || (reset_func == NULL) || (class_id == NULL))
+ if ((constr_func == NULL) || (destr_func == NULL) ||
+ (eval_func == NULL) || (reset_func == NULL) || (class_id == NULL))
return FALSE;
/* check if hash table is already initialized */
_cnd_init();
/* check for unique class id */
- if((cls = (_cnd_class*)g_hash_table_lookup(classes, class_id)) != NULL)
+ if (g_hash_table_lookup(classes, class_id) != NULL) {
+ g_warning("cnd_register_class: Duplicate class ID \"%s\"", class_id);
return FALSE;
+ }
/* GHashTable keys need to be persistent for the lifetime of the hash
table. Allocate memory and copy the class id which we use as key. */
- if((key = (char*)malloc(strlen(class_id)+1)) == NULL) return FALSE;
- strcpy(key, class_id);
+ key = g_strdup(class_id);
/* initialize class structure */
- if((cls = (_cnd_class*)malloc(sizeof(_cnd_class))) == NULL){
- free(key);
+ if ((cls = (_cnd_class*)g_malloc(sizeof(_cnd_class))) == NULL) {
+ g_free(key);
return FALSE;
}
cls->constr_func = constr_func;
- cls->destr_func = destr_func;
- cls->eval_func = eval_func;
- cls->reset_func = reset_func;
+ cls->destr_func = destr_func;
+ cls->eval_func = eval_func;
+ cls->reset_func = reset_func;
/* insert new class */
g_hash_table_insert(classes, key, cls);
return TRUE;
} /* END cnd_register_class() */
-static char* pkey = NULL;
-void cnd_unregister_class(const char* class_id){
+static char *pkey = NULL;
+void cnd_unregister_class(const char* class_id) {
const char *key = (const char*)class_id;
_cnd_class *cls = NULL;
/* check if hash table is already initialized */
/* remove constructor from hash table */
g_hash_table_remove(classes, class_id);
/* free the key */
- free(pkey);
+ g_free(pkey);
pkey = NULL;
/* free the value */
- free(cls);
+ g_free(cls);
} /* END cnd_unregister_class() */
/*
* Initialize hash table.
*/
-static void _cnd_init(void){
- if(classes != NULL) return;
+static void _cnd_init(void) {
+ if (classes != NULL)
+ return;
/* create hash table, we use strings as keys */
classes = g_hash_table_new(g_str_hash, g_str_equal);
} /* END _cnd_init() */
*/
void _cnd_find_hash_key_for_class_id(gpointer key,
gpointer value _U_,
- gpointer user_data){
- char* class_id = (char*)user_data;
- char* key_value = (char*)key;
- if(strcmp(class_id, key_value) == 0) pkey = key;
+ gpointer user_data) {
+ char *class_id = (char *)user_data;
+ char *key_value = (char *)key;
+ if (strcmp(class_id, key_value) == 0)
+ pkey = key_value;
} /* END _cnd_find_hash_key_for_class_id() */
+
+/*
+ * Editor modelines
+ *
+ * Local Variables:
+ * c-basic-offset: 2
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * ex: set shiftwidth=2 tabstop=8 expandtab:
+ * :indentSize=2:tabSize=8:noTabs=true:
+ */
git.samba.org / metze / wireshark / wip.git / blobdiff