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authorume <ume@FreeBSD.org>2015-06-18 16:39:05 +0000
committerume <ume@FreeBSD.org>2015-06-18 16:39:05 +0000
commitf7ea38668ad2a1f8fe515ef29b4119db50661daa (patch)
tree2642c5d231efb83ace84ef58e5d1c0c92fdc3b8a /lib/libc
parentdffc07db79958fd4918ed5aa7952be401ef97be1 (diff)
downloadFreeBSD-src-f7ea38668ad2a1f8fe515ef29b4119db50661daa.zip
FreeBSD-src-f7ea38668ad2a1f8fe515ef29b4119db50661daa.tar.gz
MFC r284229: Add support for '_' occurring at the beginning or
end of a name component. PR: 176093 Submitted by: landonf__at__bikemonkey.org
Diffstat (limited to 'lib/libc')
-rw-r--r--lib/libc/resolv/res_comp.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/libc/resolv/res_comp.c b/lib/libc/resolv/res_comp.c
index 539d974..279ea23 100644
--- a/lib/libc/resolv/res_comp.c
+++ b/lib/libc/resolv/res_comp.c
@@ -147,12 +147,12 @@ dn_skipname(const u_char *ptr, const u_char *eom) {
|| ((c) >= 0x61 && (c) <= 0x7a))
#define digitchar(c) ((c) >= 0x30 && (c) <= 0x39)
-#define borderchar(c) (alphachar(c) || digitchar(c))
#ifdef RES_ENFORCE_RFC1034
-#define middlechar(c) (borderchar(c) || hyphenchar(c))
+#define borderchar(c) (alphachar(c) || digitchar(c))
#else
-#define middlechar(c) (borderchar(c) || hyphenchar(c) || underscorechar(c))
+#define borderchar(c) (alphachar(c) || digitchar(c) || underscorechar(c))
#endif
+#define middlechar(c) (borderchar(c) || hyphenchar(c))
#define domainchar(c) ((c) > 0x20 && (c) < 0x7f)
int
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