Author: glebius
Date: Wed Dec 7 23:18:00 2016
New Revision: 309688
URL: https://svnweb.freebsd.org/changeset/base/309688
Log:
Address regressions in SA-16:37.libc.
PR: 215105
Submitted by: <jtd2004a sbcglobal.net>
Modified:
head/lib/libc/net/linkaddr.c
Modified: head/lib/libc/net/linkaddr.c
==============================================================================
--- head/lib/libc/net/linkaddr.c Wed Dec 7 22:52:12 2016
(r309687)
+++ head/lib/libc/net/linkaddr.c Wed Dec 7 23:18:00 2016
(r309688)
@@ -125,7 +125,7 @@ link_ntoa(const struct sockaddr_dl *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;
@@ -142,11 +142,11 @@ link_ntoa(const struct sockaddr_dl *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--;
}
@@ -154,15 +154,14 @@ link_ntoa(const struct sockaddr_dl *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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