x86_64: Fix missing wcsncat function definition without multiarch (x86-64-v4)

This code expects the WCSCAT preprocessor macro to be predefined in case
the evex implementation of the function should be defined with a name
different from __wcsncat_evex.  However, when glibc is built for
x86-64-v4 without multiarch support, sysdeps/x86_64/wcsncat.S defines
WCSNCAT variable instead of WCSCAT to build it as wcsncat.  Rename the
variable to WCSNCAT, as it is actually a better naming choice for the
variable in this case.

Reported-by: Kenton Groombridge
Link: https://bugs.gentoo.org/921945
Fixes: 64b8b6516b ("x86: Add evex optimized functions for the wchar_t strcpy family")
Signed-off-by: Gabi Falk <gabifalk@gmx.com>
Reviewed-by: Sunil K Pandey <skpgkp2@gmail.com>

diff --git a/sysdeps/x86_64/multiarch/wcsncat-evex.S b/sysdeps/x86_64/multiarch/wcsncat-evex.S
index 392215950afd56bea22aa1e966476fcf81ffb3c3..10bfb0a5314130cf3620088ec1d4ad0a6a66c18f 100644 (file)
--- a/sysdeps/x86_64/multiarch/wcsncat-evex.S
+++ b/sysdeps/x86_64/multiarch/wcsncat-evex.S
@@ -1,9 +1,9 @@
-#ifndef WCSCAT
-# define WCSCAT        __wcsncat_evex
+#ifndef WCSNCAT
+# define WCSNCAT       __wcsncat_evex
 #endif
 
 #define USE_AS_WCSCPY
 #define USE_AS_STRCAT
 
-#define STRNCAT        WCSCAT
+#define STRNCAT        WCSNCAT
 #include "strncat-evex.S"