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Don't user __tolower directly for tolower implementation. Use inline function which tests for the range first. Make _tolower equivalent to old tolower macros. Likewise for toupper.

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This commit is contained in:
Ulrich Drepper
1999-01-23 13:47:20 +00:00
parent e3822a8a50
commit 8831788577
2 changed files with 20 additions and 6 deletions
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6
ctype/ctype.c
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@ -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;
}