Initial import of the CDE 2.1.30 sources from the Open Group.

cde/lib/tt/mini_isam/isalloc.c

@@ -0,0 +1,91 @@
+/*%%  (c) Copyright 1993, 1994 Hewlett-Packard Company			 */
+/*%%  (c) Copyright 1993, 1994 International Business Machines Corp.	 */
+/*%%  (c) Copyright 1993, 1994 Sun Microsystems, Inc.			 */
+/*%%  (c) Copyright 1993, 1994 Novell, Inc. 				 */
+/*%%  $XConsortium: isalloc.c /main/3 1995/10/23 11:33:43 rswiston $ 			 				 */
+#ifndef lint
+static char sccsid[] = "@(#)isalloc.c 1.3 89/07/17 Copyr 1988 Sun Micro";
+#endif
+/*
+ * Copyright (c) 1988 by Sun Microsystems, Inc.
+ */
+
+/*
+ * isalloc.c
+ *
+ * Description:
+ *	Functions that allocate and deallocate memory.
+ *	All errors are treated as fatal.
+ */
+
+#include "isam_impl.h"
+#include <malloc.h>
+
+/* strdup is not defined in Ultrix' string.h, so it is implemented in a separate
+ * file named strdup.ultrix.c
+ */
+#ifdef __ultrix__
+extern char *strdup();
+#endif
+
+/*
+ * _ismalloc(nbytes)
+ *
+ * Allocate nbytes.
+ */
+
+char *_ismalloc(nbytes)
+    unsigned int	nbytes;
+{
+    register char	*p;
+    
+    if ((p = (char *) malloc (nbytes)) == NULL)
+	_isfatal_error("malloc() failed");
+
+    return (p);
+}
+
+char *_isrealloc(oldaddr, nbytes)
+    char		*oldaddr;
+    unsigned int	nbytes;
+{
+    register char	*p;
+    
+    if ((p = (char *) realloc (oldaddr, nbytes)) == NULL)
+	_isfatal_error("realloc() failed");
+
+    return (p);
+}
+
+
+/*
+ * _isallocstring(str)
+ *
+ * Create a duplicate of string in dynamic memory.
+ */
+
+char *
+_isallocstring(str)
+    char	*str;
+{
+    register char	*p;
+
+    if ((p = strdup(str)) == NULL) 
+	_isfatal_error("strdup() failed");
+
+    return (p);
+}
+
+/*
+ * _isfreestring(str)
+ *
+ * Free dynamically allocated string.
+ */
+
+void
+_isfreestring(str)
+    char	*str;
+{
+    assert(str != NULL);
+    free(str);
+}