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Diffstat (limited to 'newlib/libc/stdio/clearerr.c')
-rw-r--r-- | newlib/libc/stdio/clearerr.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/newlib/libc/stdio/clearerr.c b/newlib/libc/stdio/clearerr.c new file mode 100644 index 0000000..861d9a2 --- /dev/null +++ b/newlib/libc/stdio/clearerr.c @@ -0,0 +1,63 @@ +/* + * 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 +<<clearerr>>---clear file or stream error indicator + +INDEX + clearerr + +ANSI_SYNOPSIS + #include <stdio.h> + void clearerr(FILE *<[fp]>); + +TRAD_SYNOPSIS + #include <stdio.h> + void clearerr(<[fp]>) + FILE *<[fp]>; + +DESCRIPTION +The <<stdio>> functions maintain an error indicator with each file +pointer <[fp]>, to record whether any read or write errors have +occurred on the associated file or stream. Similarly, it maintains an +end-of-file indicator to record whether there is no more data in the +file. + +Use <<clearerr>> to reset both of these indicators. + +See <<ferror>> and <<feof>> to query the two indicators. + + +RETURNS +<<clearerr>> does not return a result. + +PORTABILITY +ANSI C requires <<clearerr>>. + +No supporting OS subroutines are required. +*/ + +#include <stdio.h> +#undef clearerr + +_VOID +_DEFUN (clearerr, (fp), + FILE * fp) +{ + __sclearerr (fp); +} |