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locks; strict;
comment	@# @;


1.1
date	2012.12.28.03.03.09;	author dholland;	state Exp;
branches;
next	;


desc
@@


1.1
log
@Fix legacy C. Pass -Wall -W -Wmissing-declarations -Wwrite-strings on
gcc45.

   - avoid implicit int, declare void functions void
   - return values from non-void functions
   - put most external declarations properly in header files
   - use some static and const
   - fix up a big mess with function pointer casting
   - use standard includes, don't provide own decls of standard functions
   - use types matching libc when providing own malloc, printf, and putchar
   - use <ctype.h> functions correctly
   - silence assorted compiler warnings
   - fix some bugs exposed by compiler warnings
   - don't intentionally exercise signed overflow
   - remove some unused items
   - add patch comments to other patch (patch-aa)

As this includes several fixes and removes some undefined behavior on
a commonly reachable code path, bump PKGREVISION.
@
text
@$NetBSD$

- use const for string constants
- declare void functions void
- don't declare local functions in header files

--- ex_tty.h.orig	2002-02-06 00:43:55.000000000 +0000
+++ ex_tty.h
@@@@ -259,9 +259,9 @@@@ var	short	costRP;	/* likewise for RIGHT_
 # define MAXCHARMACS	1536	/* max # of chars total in macros */
 #endif
 struct maps {
-	char *cap;	/* pressing button that sends this.. */
-	char *mapto;	/* .. maps to this string */
-	char *descr;	/* legible description of key */
+	const char *cap;	/* pressing button that sends this.. */
+	const char *mapto;	/* .. maps to this string */
+	const char *descr;	/* legible description of key */
 	bool hadthis;	/* did this mapping already (avoid recursion) */
 };
 var	struct maps arrows[MAXNOMACS];	/* macro defs - 1st 5 built in */
@@@@ -275,12 +275,11 @@@@ var	bool	anyabbrs;	/* true if abbr or un
 var	char	ttynbuf[20];	/* result of ttyname() */
 var	int	ttymesg;	/* original mode of users tty */
 
-int addmac __P((register char *, register char *, register char *, register struct maps *));
+void addmac __P((register char *, register const char *, register const char *, register struct maps *));
 ttymode ostart __P((void));
-int normal __P((ttymode));
-int ostop __P((ttymode));
+void normal __P((ttymode));
+void ostop __P((ttymode));
 ttymode setty __P((ttymode));
-ttymode unixex __P((char *, char *, int, int));
-int unixwt __P((int, ttymode));
-int ovend __P((ttymode));
+ttymode unixex __P((const char *, char *, int, int));
+void unixwt __P((int, ttymode));
 int map __P((register int, register struct maps *));
@