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+/*
+
+    casm - Simple, portable assembler
+
+    Copyright (C) 2003-2015  Ian Cowburn (ianc@noddybox.demon.co.uk)
+
+    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 <http://www.gnu.org/licenses/>.
+
+    -------------------------------------------------------------------------
+
+    Common utilities
+
+*/
+
+#ifndef CASM_UTIL_H
+#define CASM_UTIL_H
+
+#include <stdlib.h>
+
+
+/* ---------------------------------------- INTERFACES
+*/
+
+
+/* Duplicate a string.  Just use free() to free.
+*/
+char    *DupStr(const char *p);
+
+
+/* Malloc wrapper.  Just use free() to free.
+*/
+void    *Malloc(size_t len);
+
+
+/* Realloc wrapper.  Just use free() to free.
+*/
+void    *Realloc(void *p, size_t len);
+
+
+/* Remove end-of-line characters.  Returns the passed pointer.
+*/
+char    *RemoveNL(char *p);
+
+
+/* Remove white space from the start and end of a string.
+*/
+char    *Trim(char *p);
+
+
+/* Compare a string, but case insensitive.  Returns TRUE for match, otherwise
+   FALSE.
+*/
+int     CompareString(const char *a, const char *b);
+
+
+/* Compare the start of a string 'a' starts with string 'b', but case
+   insensitive.  Returns TRUE for match, otherwise FALSE.
+*/
+int     CompareStart(const char *a, const char *b);
+
+
+/* Compare the end of a string 'a' ends with string 'b', but case insensitive.
+   Returns TRUE for match, otherwise FALSE.
+*/
+int     CompareEnd(const char *a, const char *b);
+
+
+/* Strncpy, with a safety nulling of the last character.  Returns the 1st
+   parameter.
+*/
+char    *CopyStr(char *dest, const char *src, size_t size);
+
+
+/* Returns TRUE if a string is either a NULL pointer or just full of white space
+*/
+int     IsNullOrEmpty(const char *p);
+
+
+#endif
+
+/*
+vim: ai sw=4 ts=8 expandtab
+*/