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[src/trunk]: src/lib/libc/gen setmode(3): use reallocarr instead of malloc(x ...



details:   https://anonhg.NetBSD.org/src/rev/83f2cbea9562
branches:  trunk
changeset: 363420:83f2cbea9562
user:      nia <nia%NetBSD.org@localhost>
date:      Sat Mar 12 08:28:30 2022 +0000

description:
setmode(3): use reallocarr instead of malloc(x * y)

diffstat:

 lib/libc/gen/setmode.c |  10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)

diffs (32 lines):

diff -r 0aef19fcc525 -r 83f2cbea9562 lib/libc/gen/setmode.c
--- a/lib/libc/gen/setmode.c    Sat Mar 12 08:26:01 2022 +0000
+++ b/lib/libc/gen/setmode.c    Sat Mar 12 08:28:30 2022 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: setmode.c,v 1.34 2012/06/25 22:32:43 abs Exp $ */
+/*     $NetBSD: setmode.c,v 1.35 2022/03/12 08:28:30 nia Exp $ */
 
 /*
  * Copyright (c) 1989, 1993, 1994
@@ -37,7 +37,7 @@
 #if 0
 static char sccsid[] = "@(#)setmode.c  8.2 (Berkeley) 3/25/94";
 #else
-__RCSID("$NetBSD: setmode.c,v 1.34 2012/06/25 22:32:43 abs Exp $");
+__RCSID("$NetBSD: setmode.c,v 1.35 2022/03/12 08:28:30 nia Exp $");
 #endif
 #endif /* LIBC_SCCS and not lint */
 
@@ -205,9 +205,11 @@
        (void)sigprocmask(SIG_SETMASK, &sigoset, NULL);
 
        setlen = SET_LEN + 2;
-       
-       if ((set = malloc((u_int)(sizeof(BITCMD) * setlen))) == NULL)
+       set = NULL;
+       if (reallocarr(&set, setlen, sizeof(BITCMD)) != 0) {
+               errno = ENOMEM;
                return (NULL);
+       }
        saveset = set;
        endset = set + (setlen - 2);
 



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