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authorglebius <glebius@FreeBSD.org>2016-12-07 23:31:07 +0000
committerglebius <glebius@FreeBSD.org>2016-12-07 23:31:07 +0000
commit96b7b5bc05779ba1bdc5a939d6146b1f8883bd92 (patch)
treeef8db65e9eb49511d7489b46fe81620bed611d1c /lib
parent7039a85a068b696972fcc41b36349977d9889a9a (diff)
downloadFreeBSD-src-96b7b5bc05779ba1bdc5a939d6146b1f8883bd92.zip
FreeBSD-src-96b7b5bc05779ba1bdc5a939d6146b1f8883bd92.tar.gz
Merge r309688: address regressions in SA-16:37.libc.
PR: 215105 Submitted by: <jtd2004a sbcglobal.net> Approved by: so
Diffstat (limited to 'lib')
-rw-r--r--lib/libc/net/linkaddr.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/lib/libc/net/linkaddr.c b/lib/libc/net/linkaddr.c
index f14f22d..fec220a 100644
--- a/lib/libc/net/linkaddr.c
+++ b/lib/libc/net/linkaddr.c
@@ -128,7 +128,7 @@ link_ntoa(sdl)
static char obuf[64];
_Static_assert(sizeof(obuf) >= IFNAMSIZ + 20, "obuf is too small");
char *out;
- const char *in, *inlim;
+ const u_char *in, *inlim;
int namelen, i, rem;
namelen = (sdl->sdl_nlen <= IFNAMSIZ) ? sdl->sdl_nlen : IFNAMSIZ;
@@ -145,11 +145,11 @@ link_ntoa(sdl)
}
}
- in = (const char *)sdl->sdl_data + sdl->sdl_nlen;
+ in = (const u_char *)sdl->sdl_data + sdl->sdl_nlen;
inlim = in + sdl->sdl_alen;
while (in < inlim && rem > 1) {
- if (in != (const char *)sdl->sdl_data + sdl->sdl_nlen) {
+ if (in != (const u_char *)sdl->sdl_data + sdl->sdl_nlen) {
*out++ = '.';
rem--;
}
@@ -157,15 +157,14 @@ link_ntoa(sdl)
if (i > 0xf) {
if (rem < 3)
break;
+ *out++ = hexlist[i >> 4];
*out++ = hexlist[i & 0xf];
- i >>= 4;
- *out++ = hexlist[i];
rem -= 2;
} else {
if (rem < 2)
break;
*out++ = hexlist[i];
- rem++;
+ rem--;
}
}
*out = 0;
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