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authorIan C <ianc@noddybox.co.uk>2011-06-09 13:57:32 +0000
committerIan C <ianc@noddybox.co.uk>2011-06-09 13:57:32 +0000
commitec32cf41f916fc34c03d2844684631bee39005ad (patch)
tree0ecd4b3a8602ba76df3b9395eb6c71c350d510df /mem.h
Added copies of old numbered releases.0.02
Diffstat (limited to 'mem.h')
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1 files changed, 79 insertions, 0 deletions
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+/*
+
+ viDOOM - level editor for DOOM
+
+ Copyright (C) 2000 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 2 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, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+ -------------------------------------------------------------------------
+
+ Memory allocation
+
+ $Id$
+
+*/
+
+#ifndef _MEM_H
+
+#define _MEM_H
+
+/* Notes: All these functions take debug information. The versions actually
+ used in the code are the #define's following the prototypes
+*/
+
+
+/* Grab len bytes of memory. len==0 is valid. Memory is zereod on allocation.
+*/
+void *FGrab(char *file, int line, int len);
+
+
+/* Given a pointer returned by Grab() and a new size reallocates it to a
+ larger or smaller block. The orignal contents are copied to the new
+ block. Passing an NULL for ptr makes this call the same as FGrab(len).
+*/
+void *FReGrab(char *file, int line, void *ptr, int len);
+
+
+/* Reserve len bytes and copy len bytes from p to the new memory. len==0 is
+ valid
+*/
+void *FCopy(char *file, int line, void *p,int len);
+
+
+/* Reserve space for the nul terminated string and copy the source there.
+ Return is NULL if source is NULL
+*/
+char *FStrdup(char *file, int line, char *s);
+
+
+/* Release allocated memory
+*/
+void FRelease(char *file, int line, void *p);
+
+
+
+/* Actually use these
+*/
+#define Grab(n) FGrab(__FILE__,__LINE__,(n))
+#define ReGrab(p,n) FReGrab(__FILE__,__LINE__,(p),(n))
+#define Copy(p,n) FCopy(__FILE__,__LINE__,(p),(n))
+#define Strdup(p) FStrdup(__FILE__,__LINE__,(p))
+#define Release(p) FRelease(__FILE__,__LINE__,(p))
+
+#endif
+
+
+/* END OF FILE */