Properly integrate upstream vis/unvis

Adding appropriate changes to configure.ac and config.h

lib/libedit/config.h.in

@@ -54,6 +54,9 @@
 /* Define to 1 if you have the <ndir.h> header file, and it defines `DIR'. */
 #undef HAVE_NDIR_H
 
+/* Define to 1 if if your system has SIZE_MAX */
+#undef HAVE_SIZE_MAX
+
 /* Define to 1 if `stat' has the bug that it succeeds when given the
    zero-length file name argument. */
 #undef HAVE_STAT_EMPTY_STRING_BUG

lib/libedit/configure.ac

@@ -42,7 +42,7 @@ AC_CHECK_LIB(curses, tgetent,,
 AC_HEADER_DIRENT
 AC_HEADER_STDC
 AC_HEADER_SYS_WAIT
-AC_CHECK_HEADERS([fcntl.h limits.h stdlib.h string.h sys/ioctl.h sys/param.h unistd.h curses.h ncurses.h sys/cdefs.h])
+AC_CHECK_HEADERS([fcntl.h limits.h stdint.h stdlib.h string.h sys/ioctl.h sys/param.h unistd.h curses.h ncurses.h sys/cdefs.h])
 
 AC_CHECK_HEADER([termios.h], [], [AC_MSG_ERROR([termios.h is required!])],[])
 
@@ -61,6 +61,21 @@ AC_TYPE_PID_T
 AC_TYPE_SIZE_T
 AC_CHECK_TYPES([u_int32_t])
 
+AC_TRY_COMPILE([
+#include <limits.h>
+#include <stddef.h>
+#if HAVE_STDINT_H
+# include <stdint.h>
+#endif
+],
+[size_t x = SIZE_MAX;],
+[have_size_max=yes],
+[have_size_max=no])
+if test "$have_size_max" = yes; then
+    AC_DEFINE([HAVE_SIZE_MAX], [1],
+              [Define to 1 if if your system has SIZE_MAX])
+fi
+
 # Checks for library functions.
 AC_FUNC_FORK
 AC_PROG_GCC_TRADITIONAL

lib/libedit/src/readline.c

@@ -34,6 +34,8 @@
 __RCSID("$NetBSD: readline.c,v 1.139 2016/10/28 18:32:26 christos Exp $");
 #endif /* not lint && not SCCSID */
 
+#include "config.h"
+
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <ctype.h>
@@ -43,7 +45,6 @@ __RCSID("$NetBSD: readline.c,v 1.139 2016/10/28 18:32:26 christos Exp $");
 #include <limits.h>
 #include <pwd.h>
 #include <setjmp.h>
-#include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>

lib/libedit/src/sys.h

@@ -44,6 +44,10 @@
 #include <sys/cdefs.h>
 #endif
 
+#ifdef HAVE_STDINT_H
+#include <stdint.h>
+#endif
+
 #if !defined(__attribute__) && (defined(__cplusplus) || !defined(__GNUC__)  || __GNUC__ == 2 && __GNUC_MINOR__ < 8)
 # define __attribute__(A)
 #endif
@@ -101,13 +105,4 @@ typedef unsigned int	u_int32_t;
 #define	REGEX		/* Use POSIX.2 regular expression functions */
 #undef	REGEXP		/* Use UNIX V8 regular expression functions */
 
-#if defined(__sun)
-extern int tgetent(char *, const char *);
-extern int tgetflag(char *);
-extern int tgetnum(char *);
-extern int tputs(const char *, int, int (*)(int));
-extern char* tgoto(const char*, int, int);
-extern char* tgetstr(char*, char**);
-#endif
-
 #endif /* _h_sys */

lib/libedit/src/unvis.c

@@ -29,7 +29,7 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
+#include "config.h"
 #if defined(LIBC_SCCS) && !defined(lint)
 #if 0
 static char sccsid[] = "@(#)unvis.c	8.1 (Berkeley) 6/4/93";
@@ -38,20 +38,14 @@ __RCSID("$NetBSD: unvis.c,v 1.44 2014/09/26 15:43:36 roy Exp $");
 #endif
 #endif /* LIBC_SCCS and not lint */
 
-#include "namespace.h"
 #include <sys/types.h>
 
 #include <assert.h>
 #include <ctype.h>
-#include <stdint.h>
 #include <stdio.h>
 #include <errno.h>
 #include <vis.h>
 
-#ifdef __weak_alias
-__weak_alias(strnunvisx,_strnunvisx)
-#endif
-
 #if !HAVE_VIS
 /*
  * decode driven by state machine
@@ -327,7 +321,7 @@ unvis(char *cp, int c, int *astate, int flag)
 			*astate = SS(0, S_META1);
 		else if (c == '^')
 			*astate = SS(0, S_CTRL);
-		else 
+		else
 			goto bad;
 		return UNVIS_NOCHAR;
 

lib/libedit/src/vis.c

@@ -55,16 +55,11 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
+#include "config.h"
 #if defined(LIBC_SCCS) && !defined(lint)
 __RCSID("$NetBSD: vis.c,v 1.71 2016/01/14 20:41:23 christos Exp $");
 #endif /* LIBC_SCCS and not lint */
-#ifdef __FBSDID
-__FBSDID("$FreeBSD$");
-#define	_DIAGASSERT(x)	assert(x)
-#endif
 
-#include "namespace.h"
 #include <sys/types.h>
 #include <sys/param.h>
 
@@ -75,10 +70,6 @@ __FBSDID("$FreeBSD$");
 #include <wchar.h>
 #include <wctype.h>
 
-#ifdef __weak_alias
-__weak_alias(strvisx,_strvisx)
-#endif
-
 #if !HAVE_VIS || !HAVE_SVIS
 #include <ctype.h>
 #include <limits.h>
@@ -97,7 +88,7 @@ static wchar_t *do_svis(wchar_t *, wint_t, int, wint_t, const wchar_t *);
 
 #undef BELL
 #define BELL L'\a'
- 
+
 #if defined(LC_C_LOCALE)
 #define iscgraph(c)      isgraph_l(c, LC_C_LOCALE)
 #else
@@ -133,30 +124,6 @@ iscgraph(int c) {
 static const wchar_t char_shell[] = L"'`\";&<>()|{}]\\$!^~";
 static const wchar_t char_glob[] = L"*?[#";
 
-#if !HAVE_NBTOOL_CONFIG_H
-#ifndef __NetBSD__
-/*
- * On NetBSD MB_LEN_MAX is currently 32 which does not fit on any integer
- * integral type and it is probably wrong, since currently the maximum
- * number of bytes and character needs is 6. Until this is fixed, the
- * loops below are using sizeof(uint64_t) - 1 instead of MB_LEN_MAX, and
- * the assertion is commented out.
- */
-#ifdef __FreeBSD__
-/*
- * On FreeBSD including <sys/systm.h> for CTASSERT only works in kernel
- * mode.
- */
-#ifndef CTASSERT
-#define CTASSERT(x)             _CTASSERT(x, __LINE__)
-#define _CTASSERT(x, y)         __CTASSERT(x, y)
-#define __CTASSERT(x, y)        typedef char __assert ## y[(x) ? 1 : -1]
-#endif
-#endif /* __FreeBSD__ */
-CTASSERT(MB_LEN_MAX <= sizeof(uint64_t));
-#endif /* !__NetBSD__ */
-#endif
-
 /*
  * This is do_hvis, for HTTP style (RFC 1808)
  */

lib/libedit/src/vis.h

@@ -112,9 +112,7 @@ int	strnunvis(char *, size_t, const char *);
 int	strunvisx(char *, const char *, int);
 int	strnunvisx(char *, size_t, const char *, int);
 
-#ifndef __LIBC12_SOURCE__
+int	unvis(char *, int, int *, int);
-int	unvis(char *, int, int *, int) __RENAME(__unvis50);
-#endif
 __END_DECLS
 
 #endif /* !_VIS_H_ */