[src/trunk]: src/lib/libedit PR lib/54510 - when user supplied completion fun...

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

details:   https://anonhg.NetBSD.org/src/rev/1f77db0dda26
branches:  trunk
changeset: 847807:1f77db0dda26
user:      abhinav <abhinav%NetBSD.org@localhost>
date:      Sun Jan 05 07:12:05 2020 +0000

description:
PR lib/54510 - when user supplied completion function is there,
don't unescape the string to be completed.

diffstat:

 lib/libedit/filecomplete.c |  25 +++++++++++++++++--------
 1 files changed, 17 insertions(+), 8 deletions(-)

diffs (70 lines):

diff -r ee964b8c08bb -r 1f77db0dda26 lib/libedit/filecomplete.c
--- a/lib/libedit/filecomplete.c        Sun Jan 05 00:03:27 2020 +0000
+++ b/lib/libedit/filecomplete.c        Sun Jan 05 07:12:05 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: filecomplete.c,v 1.63 2020/01/05 00:03:27 tih Exp $    */
+/*     $NetBSD: filecomplete.c,v 1.64 2020/01/05 07:12:05 abhinav Exp $        */
 
 /*-
  * Copyright (c) 1997 The NetBSD Foundation, Inc.
@@ -31,7 +31,7 @@
 
 #include "config.h"
 #if !defined(lint) && !defined(SCCSID)
-__RCSID("$NetBSD: filecomplete.c,v 1.63 2020/01/05 00:03:27 tih Exp $");
+__RCSID("$NetBSD: filecomplete.c,v 1.64 2020/01/05 07:12:05 abhinav Exp $");
 #endif /* not lint && not SCCSID */
 
 #include <sys/types.h>
@@ -583,10 +583,12 @@
 
 static wchar_t *
 find_word_to_complete(const wchar_t * cursor, const wchar_t * buffer,
-    const wchar_t * word_break, const wchar_t * special_prefixes, size_t * length)
+    const wchar_t * word_break, const wchar_t * special_prefixes, size_t * length,
+       int do_unescape)
 {
        /* We now look backwards for the start of a filename/variable word */
        const wchar_t *ctemp = cursor;
+       wchar_t *temp;
        size_t len;
 
        /* if the cursor is placed at a slash or a quote, we need to find the
@@ -625,10 +627,16 @@
                ctemp++;
        }
        *length = len;
-       wchar_t *unescaped_word = unescape_string(ctemp, len);
-       if (unescaped_word == NULL)
-               return NULL;
-       return unescaped_word;
+       if (do_unescape) {
+               wchar_t *unescaped_word = unescape_string(ctemp, len);
+               if (unescaped_word == NULL)
+                       return NULL;
+               return unescaped_word;
+       }
+       temp = el_malloc((len + 1) * sizeof(*temp));
+       (void) wcsncpy(temp, ctemp, len);
+       temp[len] = '\0';
+       return temp;
 }
 
 /*
@@ -658,6 +666,7 @@
        size_t len;
        int what_to_do = '\t';
        int retval = CC_NORM;
+       int do_unescape = attempted_completion_function == NULL? 1: 0;
 
        if (el->el_state.lastcmd == el->el_state.thiscmd)
                what_to_do = '?';
@@ -673,7 +682,7 @@
 
        li = el_wline(el);
        temp = find_word_to_complete(li->cursor,
-           li->buffer, word_break, special_prefixes, &len);
+           li->buffer, word_break, special_prefixes, &len, do_unescape);
        if (temp == NULL)
                goto out;