diff -r 000000000000 -r e4d67989cc36 genericopenlibs/cstdlib/LSTDIO/SCANF.C --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/genericopenlibs/cstdlib/LSTDIO/SCANF.C Tue Feb 02 02:01:42 2010 +0200 @@ -0,0 +1,102 @@ +/* SCANF.C + * + * Portions Copyright (c) 1990-2006 Nokia Corporation and/or its subsidiary(-ies). + * All rights reserved. + */ + +/* + * 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. + */ + +#include <_ansi.h> +#include +#include "LOCAL.H" +#include + +/** +Read formatted data from standard input. +Reads data from the standard input and stores it into the locations given by argument(s). + +@param fmt String that can contain one or more of these items: + Whitespace characters: the function will read and ignore any whitespace characters + (this includes blank, newline and tab characters) encountered before the next + non-whitespace character. This includes any quantity of whitespace characters + (including none). Non-whitespace characters (any character not including blank, + newline, tab, or any format specifier begining with % character): this cause that + the function read and discard any character that match the given non-whitespace + character. + If this character is not found the function ends returning error. + +@return On Success, the number of items succesfully read. + On Failure, EOF is returned and errno may be set. +*/ +EXPORT_C int scanf (const char *fmt, ...) +{ + int ret; + va_list ap; + struct _reent *r = _REENT2; + if (!r) + return EOF; // Memory for library globals is not allocated (errno not set). + va_start (ap, fmt); + ret = __svfscanf (_stdin_r (r), fmt, ap); + va_end (ap); + return ret; +} + +/** +A reentrant version of scanf(). +*/ +EXPORT_C int _scanf_r (struct _reent *ptr, const char *fmt, ...) +{ + int ret; + va_list ap; + + va_start (ap, fmt); + ret = __svfscanf (_stdin_r (ptr), fmt, ap); + va_end (ap); + return (ret); +} + +/** +Read formatted data from a stream. +Reads data from the current position of stream and stores it +into the locations given by argument(s). +Locations pointed by each argument are filled with their corresponding type of value +requested in the format string. +There must be the same number of type specifiers in format string than arguments passed. +@return The number of items succesfully read. +@param fp Pointer to an open file. +@param fmt String that can contain one or more of these item: +Whitespace characters: the function will read and ignore any whitespace characters +(this includes blank, newline and tab characters) +encountered before the next non-whitespace character. +This includes any quantity of whitespace characters (including none). +Non-whitespace characters (any character not including blank, newline, tab, +or any format specifier begining with % character): +this cause that the function read and discard any character that match the given non-whitespace character. +If this character is not found the function ends returning error. +*/ +EXPORT_C int +fscanf (FILE * fp, const char *fmt, ...) +{ + int ret; + va_list ap; + + va_start (ap, fmt); + ret = __svfscanf (fp, fmt, ap); + va_end (ap); + return ret; +}