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[_ANSI_H_]: Handle __need_size_t and __need_wchar-t.

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From-SVN: r4520
This commit is contained in:
Richard Stallman 1993-05-20 21:10:36 +00:00
parent d7c768e7bd
commit 26afdb8e8d
1 changed files with 13 additions and 8 deletions
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21
gcc/ginclude/stddef.h
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@ -35,9 +35,14 @@
#ifndef _WCHAR_T_
#define _WCHAR_T
#endif
/* Undef _FOO_T_ if we are supposed to define foo_t. */
#if ! defined (__need_wchar_t) && ! defined (__need_size_t)
#undef _PTRDIFF_T_
#ifndef __need_ptrdiff_t
#endif
#if ! defined (__need_wchar_t) && ! defined (__need_ptrdiff_t)
#undef _SIZE_T_
#endif
#if ! defined (__need_size_t) && ! defined (__need_ptrdiff_t)
#undef _WCHAR_T_
#endif
#endif /* _ANSI_H_ */
@ -174,18 +179,18 @@ typedef __WCHAR_TYPE__ wchar_t;
#endif /* _STDDEF_H or __need_wchar_t. */
/* In 4.3bsd-net2, leave these undefined to indicate that size_t, etc.
are already defined. We need not worry about the case of wanting just
one of these types, not on 4.3bsd-net2, because only the GNU libc
header files do that. */
are already defined. */
#ifdef _ANSI_H_
#ifdef _GCC_PTRDIFF_T_
#undef _PTRDIFF_T_
#ifdef _STDDEF_H /* This is a kludge.
_STDDEF_H is defined when we are using the whole file,
undefined when obstack.h wants just ptrdiff_t. */
#endif
#ifdef _GCC_SIZE_T_
#undef _SIZE_T_
#endif
#ifdef _GCC_WCHAR_T_
#undef _WCHAR_T_
#endif
#endif
#endif /* _ANSI_H_ */
#endif /* __sys_stdtypes_h */