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-rw-r--r--sysdeps/s390/strchr.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/sysdeps/s390/strchr.c b/sysdeps/s390/strchr.c
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+++ b/sysdeps/s390/strchr.c
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+/* Multiple versions of strchr.
+ Copyright (C) 2015-2019 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
+
+#include <ifunc-strchr.h>
+
+#if HAVE_STRCHR_IFUNC
+# define strchr __redirect_strchr
+/* Omit the strchr inline definitions because it would redefine strchr. */
+# define __NO_STRING_INLINES
+# include <string.h>
+# undef strchr
+# include <ifunc-resolve.h>
+
+# if HAVE_STRCHR_C
+extern __typeof (__redirect_strchr) STRCHR_C attribute_hidden;
+# endif
+
+# if HAVE_STRCHR_Z13
+extern __typeof (__redirect_strchr) STRCHR_Z13 attribute_hidden;
+# endif
+
+s390_libc_ifunc_expr (__redirect_strchr, strchr,
+ (HAVE_STRCHR_Z13 && (hwcap & HWCAP_S390_VX))
+ ? STRCHR_Z13
+ : STRCHR_DEFAULT
+ )
+weak_alias (strchr, index)
+#endif /* HAVE_STRCHR_IFUNC */