[src/trunk]: src/lib/libedit add +1 to strlcpy's (Patrick Welche)

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

details:   https://anonhg.NetBSD.org/src/rev/949f8902671d
branches:  trunk
changeset: 455156:949f8902671d
user:      christos <christos%NetBSD.org@localhost>
date:      Wed Oct 09 14:31:07 2019 +0000

description:
add +1 to strlcpy's (Patrick Welche)

diffstat:

 lib/libedit/filecomplete.c |  10 +++++-----
 lib/libedit/readline.c     |  12 ++++++------
 2 files changed, 11 insertions(+), 11 deletions(-)

diffs (99 lines):

diff -r 8627e6f6a576 -r 949f8902671d lib/libedit/filecomplete.c
--- a/lib/libedit/filecomplete.c        Wed Oct 09 14:20:47 2019 +0000
+++ b/lib/libedit/filecomplete.c        Wed Oct 09 14:31:07 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: filecomplete.c,v 1.60 2019/10/08 19:21:40 christos Exp $       */
+/*     $NetBSD: filecomplete.c,v 1.61 2019/10/09 14:31:07 christos 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 1.60 2019/10/08 19:21:40 christos Exp $");
+__RCSID("$NetBSD: filecomplete.c,v 1.61 2019/10/09 14:31:07 christos Exp $");
 #endif /* not lint && not SCCSID */
 
 #include <sys/types.h>
@@ -86,7 +86,7 @@
                temp = el_calloc(len, sizeof(*temp));
                if (temp == NULL)
                        return NULL;
-               (void)strlcpy(temp, txt + 1, len - 2);
+               (void)strlcpy(temp, txt + 1, len - 1);
        }
        if (temp[0] == 0) {
 #ifdef HAVE_GETPW_R_POSIX
@@ -353,7 +353,7 @@
                                return NULL;
                        }
                        dirname = nptr;
-                       (void)strlcpy(dirname, text, len);
+                       (void)strlcpy(dirname, text, len + 1);
                } else {
                        el_free(filename);
                        if (*text == 0)
@@ -507,7 +507,7 @@
                el_free(match_list);
                return NULL;
        }
-       (void)strlcpy(retstr, match_list[1], max_equal);
+       (void)strlcpy(retstr, match_list[1], max_equal + 1);
        match_list[0] = retstr;
 
        /* add NULL as last pointer to the array */
diff -r 8627e6f6a576 -r 949f8902671d lib/libedit/readline.c
--- a/lib/libedit/readline.c    Wed Oct 09 14:20:47 2019 +0000
+++ b/lib/libedit/readline.c    Wed Oct 09 14:31:07 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: readline.c,v 1.158 2019/10/08 19:17:57 christos Exp $  */
+/*     $NetBSD: readline.c,v 1.159 2019/10/09 14:31:07 christos Exp $  */
 
 /*-
  * Copyright (c) 1997 The NetBSD Foundation, Inc.
@@ -31,7 +31,7 @@
 
 #include "config.h"
 #if !defined(lint) && !defined(SCCSID)
-__RCSID("$NetBSD: readline.c,v 1.158 2019/10/08 19:17:57 christos Exp $");
+__RCSID("$NetBSD: readline.c,v 1.159 2019/10/09 14:31:07 christos Exp $");
 #endif /* not lint && not SCCSID */
 
 #include <sys/types.h>
@@ -607,7 +607,7 @@
        else {
                if ((pat = el_calloc(len + 1, sizeof(*pat))) == NULL)
                        return NULL;
-               (void)strlcpy(pat, cmd + begin, len);
+               (void)strlcpy(pat, cmd + begin, len + 1);
        }
 
        if (history(h, &ev, H_CURR) != 0) {
@@ -701,7 +701,7 @@
                        if ((aptr = el_calloc(offs + 1, sizeof(*aptr)))
                            == NULL)
                                return -1;
-                       strlcpy(aptr, command, offs);
+                       (void)strlcpy(aptr, command, offs + 1);
                        idx = 1;
                } else {
                        int     qchar;
@@ -958,7 +958,7 @@
                        }                                               \
                        result = nresult;                               \
                }                                                       \
-               (void)strlcpy(&result[idx], what, len);                 \
+               (void)strlcpy(&result[idx], what, len + 1);             \
                idx += len;                                             \
        }
 
@@ -1147,7 +1147,7 @@
                        el_free(result);
                        return NULL;
                }
-               (void)strlcpy(temp, &str[start], len);
+               (void)strlcpy(temp, &str[start], len + 1);
                result[idx++] = temp;
                result[idx] = NULL;
                if (str[i])