diff -r b826f13c260e -r 7a11f9e9e703 util/strdup.hh
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/util/strdup.hh Thu Sep 08 20:25:00 2011 +0200
@@ -0,0 +1,58 @@
+/*
+ * matiec - a compiler for the programming languages defined in IEC 61131-3
+ *
+ * Copyright (C) 2011 Mario de Sousa (msousa@fe.up.pt)
+ *
+ * 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 3 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, see .
+ *
+ *
+ * This code is made available on the understanding that it will not be
+ * used in safety-critical situations without a full and competent review.
+ */
+
+
+/*******************************************/
+/* String Duplication Utility Functions... */
+/*******************************************/
+
+
+
+#ifndef STRDUP__H
+#define STRDUP__H
+
+#include /* required for malloc() */
+#include /* required for strcat() & strlen() */
+
+/*
+ * Join two strings together. Allocate space with malloc(3).
+ */
+static char *strdup2(const char *a, const char *b) {
+ char *res = (char *)malloc(strlen(a) + strlen(b) + 1);
+
+ if (res == NULL) return NULL;
+ return strcat(strcpy(res, a), b);
+}
+
+/*
+ * Join three strings together. Allocate space with malloc(3).
+ */
+static char *strdup3(const char *a, const char *b, const char *c) {
+ char *res = (char *)malloc(strlen(a) + strlen(b) + strlen(c) + 1);
+
+ if (res == NULL) return NULL;
+ return strcat(strcat(strcpy(res, a), b), c);
+}
+
+
+#endif /* STRDUP__H */