[src/trunk]: src/bin/csh Add file completion.

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/90a4f10cc0a5
branches:  trunk
changeset: 467071:90a4f10cc0a5
user:      christos <christos%NetBSD.org@localhost>
date:      Sun Jan 12 18:42:41 2020 +0000

description:
Add file completion.

diffstat:

 bin/csh/set.c |  46 ++++++++++++++++++++++++++++++++++++++++++----
 1 files changed, 42 insertions(+), 4 deletions(-)

diffs (82 lines):

diff -r 33204411c9c8 -r 90a4f10cc0a5 bin/csh/set.c
--- a/bin/csh/set.c     Sun Jan 12 18:37:10 2020 +0000
+++ b/bin/csh/set.c     Sun Jan 12 18:42:41 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: set.c,v 1.36 2020/01/12 03:50:30 christos Exp $ */
+/* $NetBSD: set.c,v 1.37 2020/01/12 18:42:41 christos Exp $ */
 
 /*-
  * Copyright (c) 1980, 1991, 1993
@@ -34,7 +34,7 @@
 #if 0
 static char sccsid[] = "@(#)set.c      8.1 (Berkeley) 5/31/93";
 #else
-__RCSID("$NetBSD: set.c,v 1.36 2020/01/12 03:50:30 christos Exp $");
+__RCSID("$NetBSD: set.c,v 1.37 2020/01/12 18:42:41 christos Exp $");
 #endif
 #endif /* not lint */
 
@@ -43,9 +43,7 @@
 #include <stdarg.h>
 #include <stdlib.h>
 
-#ifndef SHORT_STRINGS
 #include <string.h>
-#endif /* SHORT_STRINGS */
 
 #include "csh.h"
 #include "extern.h"
@@ -61,6 +59,41 @@
 static void exportpath(Char **);
 static void balance(struct varent *, int, int);
 
+#ifdef EDIT
+static const char *
+alias_text(void *dummy __unused, const char *name)
+{
+       static char *buf;
+       struct varent *vp;
+       Char **av;
+       char *p;
+       size_t len;
+
+       vp = adrof1(str2short(name), &aliases);
+       if (vp == NULL)
+           return NULL;
+
+       len = 0;
+       for (av = vp->vec; *av; av++) {
+           len += strlen(vis_str(*av));
+           if (av[1])
+               len++;
+       }
+       len++;
+       free(buf);
+       p = buf = xmalloc(len);
+       for (av = vp->vec; *av; av++) {
+           const char *s = vis_str(*av);
+           while ((*p++ = *s++) != '\0')
+               continue;
+           if (av[1])
+               *p++ = ' ';
+       }
+       *p = '\0';
+       return buf;
+}
+#endif
+
 /*
  * C Shell
  */
@@ -124,6 +157,11 @@
            SHIN, SHOUT, SHERR);
        el_set(el, EL_EDITOR, *vn ? short2str(vn) : "emacs");
        el_set(el, EL_PROMPT, printpromptstr);
+       el_set(el, EL_ALIAS_TEXT, alias_text, NULL);
+       el_set(el, EL_ADDFN, "rl-complete",
+           "ReadLine compatible completion function", _el_fn_complete);
+       el_set(el, EL_BIND, "^I", adrof(STRfilec) ? "rl-complete" : "ed-insert",
+           NULL);
        hi = history_init();
        history(hi, &ev, H_SETSIZE, getn(value(STRhistory)));
        loadhist(Histlist.Hnext);