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Diffstat (limited to 'newlib/libc/stdio/getchar_u.c')
-rw-r--r-- | newlib/libc/stdio/getchar_u.c | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/newlib/libc/stdio/getchar_u.c b/newlib/libc/stdio/getchar_u.c deleted file mode 100644 index 22254cbf5..000000000 --- a/newlib/libc/stdio/getchar_u.c +++ /dev/null @@ -1,89 +0,0 @@ -/* - * Copyright (c) 1990 The Regents of the University of California. - * All rights reserved. - * - * Redistribution and use in source and binary forms are permitted - * provided that the above copyright notice and this paragraph are - * duplicated in all such forms and that any documentation, - * advertising materials, and other materials related to such - * distribution and use acknowledge that the software was developed - * by the University of California, Berkeley. The name of the - * University may not be used to endorse or promote products derived - * from this software without specific prior written permission. - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. - */ - -/* -FUNCTION -<<getchar_unlocked>>---non-thread-safe version of getchar (macro) - -INDEX - getchar_unlocked -INDEX - _getchar_unlocked_r - -SYNOPSIS - #include <stdio.h> - int getchar_unlocked(); - - #include <stdio.h> - int _getchar_unlocked_r(struct _reent *<[ptr]>); - -DESCRIPTION -<<getchar_unlocked>> is a non-thread-safe version of <<getchar>> -declared in <<stdio.h>>. <<getchar_unlocked>> may only safely be used -within a scope protected by flockfile() (or ftrylockfile()) and -funlockfile(). These functions may safely be used in a multi-threaded -program if and only if they are called while the invoking thread owns -the ( FILE *) object, as is the case after a successful call to the -flockfile() or ftrylockfile() functions. If threads are disabled, -then <<getchar_unlocked>> is equivalent to <<getchar>>. - -The <<_getchar_unlocked_r>> function is simply the reentrant version of -<<getchar_unlocked>> which passes an addtional reentrancy structure pointer -argument: <[ptr]>. - -RETURNS -See <<getchar>>. - -PORTABILITY -POSIX 1003.1 requires <<getchar_unlocked>>. <<getchar_unlocked>> may -be implemented as a macro. - -Supporting OS subroutines required: <<close>>, <<fstat>>, <<isatty>>, -<<lseek>>, <<read>>, <<sbrk>>, <<write>>. */ - -#if defined(LIBC_SCCS) && !defined(lint) -static char sccsid[] = "%W% (Berkeley) %G%"; -#endif /* LIBC_SCCS and not lint */ - -/* - * A subroutine version of the macro getchar_unlocked. - */ - -#include <_ansi.h> -#include <reent.h> -#include <stdio.h> - -#undef getchar_unlocked - -int -_DEFUN(_getchar_unlocked_r, (ptr), - struct _reent *ptr) -{ - return _getc_unlocked_r (ptr, _stdin_r (ptr)); -} - -#ifndef _REENT_ONLY - -int -_DEFUN_VOID(getchar_unlocked) -{ - /* CHECK_INIT is called (eventually) by __srefill_r. */ - - return _getc_unlocked_r (_REENT, _stdin_r (_REENT)); -} - -#endif |