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-rw-r--r--libc/misc/regex/regcomp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libc/misc/regex/regcomp.c b/libc/misc/regex/regcomp.c
index 94e0314b5..471ea55f0 100644
--- a/libc/misc/regex/regcomp.c
+++ b/libc/misc/regex/regcomp.c
@@ -532,7 +532,7 @@ regerror (errcode, preg, errbuf, errbuf_size)
{
if (BE (msg_size > errbuf_size, 0))
{
-#if defined HAVE_MEMPCPY || defined _LIBC
+#if (defined HAVE_MEMPCPY || defined _LIBC) && defined __USE_GNU
*((char *) __mempcpy (errbuf, msg, errbuf_size - 1)) = '\0';
#else
memcpy (errbuf, msg, errbuf_size - 1);