First release of open-appsec source code

components/utils/pm/debugpm.cc

@@ -0,0 +1,63 @@
+// Copyright (C) 2022 Check Point Software Technologies Ltd. All rights reserved.
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "debug.h"
+#include <stdio.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+#include <string>
+#include <iostream>
+#include "sasal.h"
+
+using namespace std;
+
+USE_DEBUG_FLAG(D_PM);
+
+SASAL_START // Multiple Pattern Matcher
+// Helper class for printing C format string
+class CFmtPrinter
+{
+public:
+    char buf[500];        // Length limit.
+    explicit CFmtPrinter(const char *fmt, va_list va)
+    {
+        vsnprintf(buf, sizeof(buf), fmt, va);
+        buf[sizeof(buf)-1] = '\0';
+    }
+};
+
+static ostream &
+operator<<(ostream &os, const CFmtPrinter &p)
+{
+    return os << p.buf;
+}
+
+void
+panicCFmt(const string &func, uint line, const char *fmt, ...)
+{
+    va_list va;
+    va_start(va, fmt);
+    Debug("PM", func, line).getStreamAggr() << CFmtPrinter(fmt, va);
+    va_end(va);
+}
+
+void
+debugPrtCFmt(const char *func, uint line, const char *fmt, ...)
+{
+    va_list va;
+    va_start(va, fmt);
+    Debug("PM", func, line, Debug::DebugLevel::TRACE, D_PM).getStreamAggr() << CFmtPrinter(fmt, va);
+    va_end(va);
+}
+SASAL_END