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

cde/lib/tt/bin/tttar/tttar_utils.h

@@ -0,0 +1,133 @@
+/*%%  (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: tttar_utils.h /main/3 1995/10/20 17:01:53 rswiston $ 			 				 */
+/*
+ * tttar_utils.h - Utilities for the ToolTalk archive tool.
+ *
+ * Copyright (c) 1990 by Sun Microsystems, Inc.
+ */
+
+#ifndef	_LSTAR_UTILS_H
+#define	_LSTAR_UTILS_H
+
+#include <api/c/tt_c.h>
+#include <util/tt_string.h>
+
+
+/*
+ * External Variables
+ */
+
+extern Tt_status	err_noted;		// Used by note_err() macro.
+extern char	       *ptr_returned;		// Used by note_ptr_err() macro.
+extern void	       *voidptr_returned;	// Used by note_voidptr_err() macro.
+extern Tt_message	msg_returned;		// Used by note_msg_err() macro.
+extern int		int_returned;		// Used by note_int_err() macro.
+extern char		our_process_name[];
+
+/*
+ * Constants
+ */
+
+/*
+ * STRING_EQUAL() - Check 2 strings for equality.
+ */
+#define STRING_EQUAL(s1,s2) ( strcmp( s1, s2 ) == 0 )
+
+/*
+ * NULL_OR_EMPTY() - Is this string ptr NULL or empty?
+ */
+#define NULL_OR_EMPTY(p) (( (char *)p == NULL ) || ( *(char *)p == '\0' ))
+
+/*
+ * IS_TT_ERR() - Is this Tt_status neither TT_OK nor a TT_WARN?
+ */
+#define IS_TT_ERR(err)	( err > TT_WRN_LAST )
+
+/*
+ * stringify() - Turn a macro argument into a string.
+ *	gross Reiserism, use # in ANSI C
+ */
+#if defined(__STDC__)
+#define stringify(s) #s
+#else
+/* gross Reiserism, use # in ANSI C */
+#define stringify(s) "s"
+#endif
+
+/*
+ * note_err() - Note any error corresponding to this Tt_status
+ *	expression, returning the error code
+ */
+#define note_err(expression)					\
+	(   ( TT_OK == ( err_noted = expression))		\
+	  ? TT_OK						\
+	  : note_error( err_noted, stringify(expression),	\
+			__FILE__, __LINE__ ))
+
+
+/*
+ * note_ptr_err() - Assign the (char *) expression to ptr_returned,
+ *	noting any error on stderr if error isn't TT_OK, and
+ *	return the error code
+ */
+#define note_ptr_err(expression)					\
+	(   (    TT_OK							\
+	      == ( err_noted =		 				\
+		   tt_pointer_error(ptr_returned = expression)))	\
+	  ? TT_OK							\
+	  : note_error( err_noted, stringify(expression),		\
+			__FILE__, __LINE__ ))
+
+/*
+ * note_int_err() - Assign the (int) expression to int_returned,
+ *	noting any error on stderr if error isn't TT_OK, and
+ *	return the error code
+ */
+#define note_int_err(expression)					\
+	(   (    TT_OK							\
+	      == ( err_noted =		 				\
+		   tt_int_error(int_returned = expression)))		\
+	  ? TT_OK							\
+	  : note_error( err_noted, stringify(expression),		\
+			__FILE__, __LINE__ ))
+
+/*
+ * note_msg_err() - Assign the expression to msg_returned,
+ *	noting any error on stderr if error isn't TT_OK, and
+ *	return the error code
+ */
+#define note_msg_err(expression)					\
+	(   (    TT_OK							\
+	      == ( err_noted =		 				\
+		   tt_pointer_error(msg_returned = expression)))	\
+	  ? TT_OK							\
+	  : note_error( err_noted, stringify(expression),		\
+			__FILE__, __LINE__ ))
+
+/*
+ * note_voidptr_err() - Assign the expression to voidptr_returned,
+ *	noting any error on stderr if error isn't TT_OK, and
+ *	return the error code
+ */
+#define note_voidptr_err(expression)					\
+	(   (    TT_OK							\
+	      == ( err_noted =		 				\
+		   tt_pointer_error(voidptr_returned = expression)))	\
+	  ? TT_OK							\
+	  : note_error( err_noted, stringify(expression),		\
+			__FILE__, __LINE__ ))
+
+/*
+ * Procedure declarations
+ */
+
+Tt_status	note_error( Tt_status error, char *expression, 
+			    char *file, int line );
+void		my_tt_free( caddr_t p );
+void		my_tt_release( int mark );
+bool_t		in_list( _Tt_string s, _Tt_string_list_ptr list );
+
+#endif /* _LSTAR_UTILS_H */