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https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk
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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [newlib/] [libc/] [stdio/] [vsniprintf.c] - Rev 232
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/* * Copyright (c) 1990, 2007 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. */ /* doc in viprintf.c */ #if defined(LIBC_SCCS) && !defined(lint) static char sccsid[] = "%W% (Berkeley) %G%"; #endif /* LIBC_SCCS and not lint */ #include <_ansi.h> #include <reent.h> #include <stdio.h> #include <limits.h> #include <stdarg.h> #include <errno.h> #ifndef _REENT_ONLY int _DEFUN(vsniprintf, (str, size, fmt, ap), char *str _AND size_t size _AND const char *fmt _AND va_list ap) { return _vsniprintf_r (_REENT, str, size, fmt, ap); } #endif /* !_REENT_ONLY */ int _DEFUN(_vsniprintf_r, (ptr, str, size, fmt, ap), struct _reent *ptr _AND char *str _AND size_t size _AND const char *fmt _AND va_list ap) { int ret; FILE f; if (size > INT_MAX) { ptr->_errno = EOVERFLOW; return EOF; } f._flags = __SWR | __SSTR; f._bf._base = f._p = (unsigned char *) str; f._bf._size = f._w = (size > 0 ? size - 1 : 0); f._file = -1; /* No file. */ ret = _svfiprintf_r (ptr, &f, fmt, ap); if (ret < EOF) ptr->_errno = EOVERFLOW; if (size > 0) *f._p = 0; return ret; }
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