launchtool (0.8-2) src/common/Exec.cc.org

--- launchtool-0.8.orig/src/common/Exec.cc.org
+++ launchtool-0.8/src/common/Exec.cc.org
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2002 Enrico Zini <zinie@cs.unibo.it>
+ *
+ * This library 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 2.1 of the License, or (at your option) any later version.
+ * 
+ * This library 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 this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#define _GNU_SOURCE
+
+#include "Exec.h"
+
+#include <unistd.h>			// execve
+#include <stdlib.h>			// malloc, free, realloc
+#include <string.h>			// strndup
+#include <errno.h>
+
+using namespace stringf;
+using namespace std;
+
+///// Exec::strlist
+
+void Exec::strlist::expand() throw ()
+{
+	size *= 2;
+	ptr = (char**) realloc(ptr, size * sizeof(char*));
+}
+
+Exec::strlist::strlist(int start_size) throw () : cur(0), size(start_size)
+{
+	ptr = (char**) malloc(size * sizeof(char*));
+}
+
+Exec::strlist::~strlist() throw ()
+{
+	for (int i = 0; i < cur; i++)
+		if (ptr[i])
+			free(ptr[i]);
+	free(ptr);
+}
+
+void Exec::strlist::add(const char* str) throw ()
+{
+	if (cur >= size)
+		expand();
+	ptr[cur++] = strdup(str);
+}
+
+void Exec::strlist::add(const string& str) throw ()
+{
+	if (cur >= size)
+		expand();
+	ptr[cur++] = strndup(str.data(), str.size());
+}
+
+void Exec::exec() throw (SystemException)
+{
+	execve(program.c_str(), argv.get(), env.get());
+	throw SystemException(errno, "Executing " + program);
+}
+
+// vim:set ts=4 sw=4: