Initial release of Maemo 5 port of gnuplot

[gnuplot] / src / alloc.h

diff --git a/src/alloc.h b/src/alloc.h
new file mode 100644 (file)
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--- /dev/null
+++ b/src/alloc.h
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+/*
+ * $Id: alloc.h,v 1.9 2004/07/01 17:10:03 broeker Exp $
+ */
+
+/* GNUPLOT - alloc.h */
+
+/*[
+ * Copyright 1986 - 1993, 1998, 2004   Thomas Williams, Colin Kelley
+ *
+ * Permission to use, copy, and distribute this software and its
+ * documentation for any purpose with or without fee is hereby granted,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.
+ *
+ * Permission to modify the software is granted, but not the right to
+ * distribute the complete modified source code.  Modifications are to
+ * be distributed as patches to the released version.  Permission to
+ * distribute binaries produced by compiling modified sources is granted,
+ * provided you
+ *   1. distribute the corresponding source modifications from the
+ *    released version in the form of a patch file along with the binaries,
+ *   2. add special version identification to distinguish your version
+ *    in addition to the base release version number,
+ *   3. provide your name and address as the primary contact for the
+ *    support of your modified version, and
+ *   4. retain our contact information in regard to use of the base
+ *    software.
+ * Permission to distribute the released version of the source code along
+ * with corresponding source modifications in the form of a patch file is
+ * granted with same provisions 2 through 4 for binary distributions.
+ *
+ * This software is provided "as is" without express or implied warranty
+ * to the extent permitted by applicable law.
+]*/
+
+#ifndef GNUPLOT_ALLOC_H
+# define GNUPLOT_ALLOC_H
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include "stdfn.h"
+
+/* prototypes from "alloc.c". This file figures out if the free hack is needed
+ * and redefines free if necessary.
+ */
+
+generic *gp_alloc __PROTO((size_t size, const char *message));
+generic *gp_realloc __PROTO((generic *p, size_t size, const char *message));
+
+/* dont define CHECK_HEAP_USE on a FARALLOC machine ! */
+
+#ifdef CHECK_HEAP_USE
+
+/* all allocated blocks have guards at front and back.
+ * CHECK_POINTER checks guards on block, and checks that p is in range
+ * START_LEAK_CHECK and END_LEAK_CHECK allow assert that no net memory
+ * is allocated within enclosed block
+ */
+
+void checked_free(void *p);
+void check_pointer_in_block(void *block, void *p, int size, char *file, int line);
+void start_leak_check(char *file,int line);
+void end_leak_check(char *file,int line);
+# define free(x) checked_free(x)
+# define CHECK_POINTER(block, p) check_pointer_in_block(block, p, sizeof(*p), __FILE__, __LINE__)
+# define START_LEAK_CHECK() start_leak_check(__FILE__, __LINE__)
+# define END_LEAK_CHECK() end_leak_check(__FILE__, __LINE__)
+#else
+# define CHECK_POINTER(block, p) /*nowt*/
+# define START_LEAK_CHECK() /*nowt*/
+# define END_LEAK_CHECK() /*nowt*/
+#endif
+
+#if defined(MSDOS) && defined(__TURBOC__) && !defined(DOSX286) || defined(_Windows) && !defined(WIN32)
+#define FARALLOC
+void gpfree __PROTO((generic *p));
+#define free gpfree
+#endif
+
+#endif /* GNUPLOT_ALLOC_H */