added more checks to cgi handling

qse/lib/cmn/env.c

@@ -0,0 +1,91 @@
+/*
+ * $Id: pio.h 455 2011-05-09 16:11:13Z hyunghwan.chung $
+ *
+    Copyright 2006-2011 Chung, Hyung-Hwan.
+    This file is part of QSE.
+
+    QSE is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as 
+    published by the Free Software Foundation, either version 3 of 
+    the License, or (at your option) any later version.
+
+    QSE 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 Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public 
+    License along with QSE. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include <qse/cmn/env.h>
+#include "mem.h"
+
+QSE_IMPLEMENT_COMMON_FUNCTIONS(env)
+
+qse_env_t* qse_env_open (qse_mmgr_t* mmgr, qse_size_t xtnsize)
+{
+	qse_env_t* env;
+
+	if (mmgr == QSE_NULL) 
+	{
+		mmgr = QSE_MMGR_GETDFL();
+
+		QSE_ASSERTX (mmgr != QSE_NULL,
+			"Set the memory manager with QSE_MMGR_SETDFL()");
+
+		if (mmgr == QSE_NULL) return QSE_NULL;
+	}
+
+	env = QSE_MMGR_ALLOC (mmgr, QSE_SIZEOF(qse_env_t) + xtnsize);
+	if (env == QSE_NULL) return QSE_NULL;
+
+	if (qse_env_init (env, mmgr) == QSE_NULL)
+	{
+		QSE_MMGR_FREE (mmgr, env);
+		return QSE_NULL;
+	}
+
+	return env;
+}
+
+void qse_env_close (qse_env_t* env)
+{
+	qse_env_fini (env);
+	QSE_MMGR_FREE (env->mmgr, env);
+}
+
+qse_env_t* qse_env_init (qse_env_t* env, qse_mmgr_t* mmgr)
+{
+	QSE_MEMSET (env, 0, QSE_SIZEOF(*env));
+	return env;
+}
+
+void qse_env_fini (qse_env_t* env)
+{
+	if (env->arr.ptr) QSE_MMGR_FREE (env->mmgr, env->arr.ptr);
+	if (env->buf.ptr) QSE_MMGR_FREE (env->mmgr, env->buf.ptr);
+}
+
+
+static int expand_buffer (qse_env_t* env)
+{
+	if (env->buf.ptr == QSE_NULL)
+	{
+	}
+	return -1;
+}
+
+static int expand_array (qse_env_t* env)
+{
+	if (env->arr.ptr == QSE_NULL)
+	{
+	}
+	return -1;
+}
+
+int qse_env_add (qse_env_t* env, const void* name, const void* value)
+{
+	return -1;
+}