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Set errno on inet_ntop(3) failure.

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Reviewed by:	glebius
This commit is contained in:
Kevin Lo 2014-02-07 15:26:19 +00:00
parent 5d6d7e756b
commit 71099ec509
1 changed files with 4 additions and 2 deletions
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6
lib/libc/inet/inet_ntop.c
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@ -45,7 +45,7 @@ __FBSDID("$FreeBSD$");
static const char *inet_ntop4(const u_char *src, char *dst, socklen_t size);
static const char *inet_ntop6(const u_char *src, char *dst, socklen_t size);
/* char *
/* const char *
* inet_ntop(af, src, dst, size)
* convert a network format address to presentation format.
* return:
@ -169,8 +169,10 @@ inet_ntop6(const u_char *src, char *dst, socklen_t size)
if (i == 6 && best.base == 0 && (best.len == 6 ||
(best.len == 7 && words[7] != 0x0001) ||
(best.len == 5 && words[5] == 0xffff))) {
if (!inet_ntop4(src+12, tp, sizeof tmp - (tp - tmp)))
if (!inet_ntop4(src+12, tp, sizeof tmp - (tp - tmp))) {
errno = ENOSPC;
return (NULL);
}
tp += strlen(tp);
break;
}