OpenSolaris Launch

1 files changed, 89 insertions, 0 deletions

diff --git a/usr/src/tools/cscope-fast/alloc.c b/usr/src/tools/cscope-fast/alloc.c
new file mode 100644
index 0000000000..655ae2ae7b
--- /dev/null
+++ b/usr/src/tools/cscope-fast/alloc.c
@@ -0,0 +1,89 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*	Copyright (c) 1988 AT&T	*/
+/*	  All Rights Reserved  	*/
+
+
+/*
+ * Copyright (c) 1999 by Sun Microsystems, Inc.
+ * All rights reserved.
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+/* memory allocation functions */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+extern	char	*argv0;	/* command name (must be set in main function) */
+
+char	*stralloc(char *s);
+void	*mymalloc(size_t size);
+void	*mycalloc(size_t nelem, size_t size);
+void	*myrealloc(void *p, size_t size);
+static void *alloctest(void *p);
+
+/* allocate a string */
+
+char *
+stralloc(char *s)
+{
+	return (strcpy(mymalloc(strlen(s) + 1), s));
+}
+
+/* version of malloc that only returns if successful */
+
+void *
+mymalloc(size_t size)
+{
+	return (alloctest(malloc(size)));
+}
+
+/* version of calloc that only returns if successful */
+
+void *
+mycalloc(size_t nelem, size_t size)
+{
+	return (alloctest(calloc(nelem, size)));
+}
+
+/* version of realloc that only returns if successful */
+
+void *
+myrealloc(void *p, size_t size)
+{
+	return (alloctest(realloc(p, size)));
+}
+
+/* check for memory allocation failure */
+
+static void *
+alloctest(void *p)
+{
+	if (p == NULL) {
+		(void) fprintf(stderr, "\n%s: out of storage\n", argv0);
+		exit(1);
+	}
+	return (p);
+}