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-rw-r--r--ctype/ctype.c6
-rw-r--r--ctype/ctype.h20
2 files changed, 20 insertions, 6 deletions
diff --git a/ctype/ctype.c b/ctype/ctype.c
index f9ceb35c08..1c684026fe 100644
--- a/ctype/ctype.c
+++ b/ctype/ctype.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1992, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1992, 1997, 1999 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
@@ -39,11 +39,11 @@ func (isxdigit, _ISxdigit)
int
tolower (int c)
{
- return __tolower (c);
+ return __c >= -128 && __c < 256 ? __tolower (__c) : __c;
}
int
toupper (int c)
{
- return __toupper (c);
+ return __c >= -128 && __c < 256 ? __toupper (__c) : __c;
}
diff --git a/ctype/ctype.h b/ctype/ctype.h
index 5f732d2340..7b4ef36c53 100644
--- a/ctype/ctype.h
+++ b/ctype/ctype.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 92, 93, 95, 96, 97, 98 Free Software Foundation, Inc.
+/* Copyright (C) 1991,92,93,95,96,97,98,99 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
@@ -150,12 +150,26 @@ __exctype (_tolower);
# define isblank(c) __isctype((c), _ISblank)
#endif
-#define tolower(c) __tolower(c)
-#define toupper(c) __toupper(c)
+#if __GNUC__ >= 2
+extern inline int
+tolower (int __c)
+{
+ return __c >= -128 && __c < 256 ? __tolower (__c) : __c;
+}
+
+extern inline int
+toupper (int __c)
+{
+ return __c >= -128 && __c < 256 ? __toupper (__c) : __c;
+}
+#endif
#if defined __USE_SVID || defined __USE_MISC || defined __USE_XOPEN
# define isascii(c) __isascii(c)
# define toascii(c) __toascii(c)
+
+# define _tolower(c) __tolower(c)
+# define _toupper(c) __toupper(c)
#endif
#endif /* Not __NO_CTYPE. */