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Allow gcc warning for toupper even with extended charsets. 

* libc/include/ctype.h (toupper, tolower)
[_MB_EXTENDED_CHARSETS_ISO]: Allow gcc warning when called with
'char' even when we must call the function for correct behavior.
[!_MB_EXTENDED_CHARSETS_ISO]: Fix regression in result type.
This commit is contained in:
Eric Blake 2009-04-30 22:53:00 +00:00
parent 47b09662ee
commit 82b77480f7
2 changed files with 25 additions and 6 deletions
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8
newlib/ChangeLog
View File

@ -1,3 +1,11 @@
2009-04-30 Eric Blake <ebb9@byu.net>
Allow gcc warning for toupper even with extended charsets.
* libc/include/ctype.h (toupper, tolower)
[_MB_EXTENDED_CHARSETS_ISO]: Allow gcc warning when called with
'char' even when we must call the function for correct behavior.
[!_MB_EXTENDED_CHARSETS_ISO]: Fix regression in result type.
2009-04-24 Jeff johnston <jjohnstn@redhat.com>
* libc/stdio/fgetc.c: Make sure sfp lock is acquired before the

23
newlib/libc/include/ctype.h
View File

@ -71,14 +71,25 @@ extern __IMPORT char *__ctype_ptr__;
/* Non-gcc versions will get the library versions, and will be
slightly slower. These macros are not NLS-aware so they are
disabled if the system supports the extended character sets. */
# if defined(__GNUC__) && !defined (_MB_EXTENDED_CHARSETS_ISO) && !defined (_MB_EXTENDED_CHARSETS_WINDOWS)
# define toupper(__c) \
# if defined(__GNUC__)
# if !defined (_MB_EXTENDED_CHARSETS_ISO) && !defined (_MB_EXTENDED_CHARSETS_WINDOWS)
# define toupper(__c) \
__extension__ ({ __typeof__ (__c) __x = (__c); \
islower(__x) ? (__x - 'a' + 'A') : __x;})
# define tolower(__c) \
islower (__x) ? (int) __x - 'a' + 'A' : (int) __x;})
# define tolower(__c) \
__extension__ ({ __typeof__ (__c) __x = (__c); \
isupper(__x) ? (__x - 'A' + 'a') : __x;})
#endif
isupper (__x) ? (int) __x - 'A' + 'a' : (int) __x;})
# else /* _MB_EXTENDED_CHARSETS* */
/* Allow a gcc warning if the user passed 'char', but defer to the
function. */
# define toupper(__c) \
__extension__ ({ __typeof__ (__c) __x = (__c); \
(void) __ctype_ptr__[__x]; (toupper) (__x);})
# define tolower(__c) \
__extension__ ({ __typeof__ (__c) __x = (__c); \
(void) __ctype_ptr__[__x]; (tolower) (__x);})
# endif /* _MB_EXTENDED_CHARSETS* */
# endif /* __GNUC__ */
#endif /* !__cplusplus */
#ifndef __STRICT_ANSI__