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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. This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or The GNU C Library is free software; you can redistribute it and/or
@ -39,11 +39,11 @@ func (isxdigit, _ISxdigit)
int int
tolower (int c) tolower (int c)
{ {
return __tolower (c); return __c >= -128 && __c < 256 ? __tolower (__c) : __c;
} }
int int
toupper (int c) toupper (int c)
{ {
return __toupper (c); return __c >= -128 && __c < 256 ? __toupper (__c) : __c;
} }

20
ctype/ctype.h
View File

@ -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. This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or 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) # define isblank(c) __isctype((c), _ISblank)
#endif #endif
#define tolower(c) __tolower(c) #if __GNUC__ >= 2
#define toupper(c) __toupper(c) 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 #if defined __USE_SVID || defined __USE_MISC || defined __USE_XOPEN
# define isascii(c) __isascii(c) # define isascii(c) __isascii(c)
# define toascii(c) __toascii(c) # define toascii(c) __toascii(c)
# define _tolower(c) __tolower(c)
# define _toupper(c) __toupper(c)
#endif #endif
#endif /* Not __NO_CTYPE. */ #endif /* Not __NO_CTYPE. */