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d34336767e
* README (--enable-newlib-nano-formatted-io): Describe.
* acconfig.h (_NANO_FORMATTED_IO): Undef.
* newlib.hin (_NANO_FORMATTED_IO): Undef.
* configure.in (--enable-newlib-nano-formatted-io): New option.
* configure: Regenerated.
* libc/configure.in (--enable-newlib-nano-formatted-io): New option.
* libc/configure: Regenerated.
* libc/stdio/Makefile.am (NEWLIB_NANO_FORMATTED_IO): Support new
configuration option.
* libc/stdio/Makefile.in: Regenerated.
* libc/stdio/asnprintf.c (_asniprintf_r, asniprintf): Use
_NANO_FORMATTED_IO to declare alias prototypes.
* libc/stdio/asprintf.c (_asiprintf_r, asiprintf): Ditto.
* libc/stdio/dprintf.c (_diprintf_r, diprintf): Ditto.
* libc/stdio/fprintf.c (_fiprintf_r, fiprintf): Ditto.
* libc/stdio/fscanf.c (fiscanf, _fiscanf_r): Ditto.
* libc/stdio/printf.c (_iprintf_r, iprintf): Ditto.
* libc/stdio/scanf.c (iscanf, _iscanf_r): Ditto.
* libc/stdio/snprintf.c (_sniprintf_r, sniprintf): Ditto.
* libc/stdio/sprintf.c (_siprintf_r, siprintf): Ditto.
* libc/stdio/sscanf.c (siscanf, _siscanf_r): Ditto.
* libc/stdio/vasnprintf.c (_vasniprintf_r, vasniprintf): Ditto.
* libc/stdio/vasprintf.c (vasiprintf, _vasiprintf_r): Ditto.
* libc/stdio/vdprintf.c (_vdiprintf_r, vdiprintf): Ditto.
* libc/stdio/vprintf.c (viprintf, _viprintf_r): Ditto.
* libc/stdio/vscanf.c (viscanf, _viscanf_r): Ditto.
* libc/stdio/vsnprintf.c (vsniprintf, _vsniprintf_r): Ditto.
* libc/stdio/vsprintf.c (vsiprintf, _vsiprintf_r): Ditto.
* libc/stdio/vsscanf.c (vsiscanf, _vsiscanf_r): Ditto.
* libc/stdio/nano-vfprintf.c: New file.
* libc/stdio/nano-vfprintf_float.c: New file.
* libc/stdio/nano-vfprintf_i.c: New file.
* libc/stdio/nano-vfprintf_local.h: New file.
* libc/stdio/nano-vfscanf.c: New file.
* libc/stdio/nano-vfscanf_float.c: New file.
* libc/stdio/nano-vfscanf_i.c: New file.
* libc/stdio/nano-vfscanf_local.h: New file.
85 lines
2.3 KiB
C
85 lines
2.3 KiB
C
/*
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that the above copyright notice and this paragraph are
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* duplicated in all such forms and that any documentation,
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* advertising materials, and other materials related to such
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* distribution and use acknowledge that the software was developed
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* by the University of California, Berkeley. The name of the
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* University may not be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*/
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/* doc in vfprintf.c */
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#if defined(LIBC_SCCS) && !defined(lint)
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static char sccsid[] = "%W% (Berkeley) %G%";
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#endif /* LIBC_SCCS and not lint */
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#include <_ansi.h>
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#include <reent.h>
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#include <stdio.h>
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#include <limits.h>
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#include <stdarg.h>
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#include <errno.h>
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#include "local.h"
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#ifndef _REENT_ONLY
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int
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_DEFUN(vsnprintf, (str, size, fmt, ap),
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char *__restrict str _AND
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size_t size _AND
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const char *__restrict fmt _AND
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va_list ap)
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{
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return _vsnprintf_r (_REENT, str, size, fmt, ap);
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}
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#ifdef _NANO_FORMATTED_IO
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int
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_EXFUN(vsniprintf, (char *, size_t, const char *, __VALIST)
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_ATTRIBUTE ((__alias__("vsnprintf"))));
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#endif
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#endif /* !_REENT_ONLY */
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int
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_DEFUN(_vsnprintf_r, (ptr, str, size, fmt, ap),
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struct _reent *ptr _AND
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char *__restrict str _AND
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size_t size _AND
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const char *__restrict fmt _AND
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va_list ap)
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{
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int ret;
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FILE f;
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if (size > INT_MAX)
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{
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ptr->_errno = EOVERFLOW;
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return EOF;
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}
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f._flags = __SWR | __SSTR;
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f._bf._base = f._p = (unsigned char *) str;
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f._bf._size = f._w = (size > 0 ? size - 1 : 0);
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f._file = -1; /* No file. */
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ret = _svfprintf_r (ptr, &f, fmt, ap);
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if (ret < EOF)
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ptr->_errno = EOVERFLOW;
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if (size > 0)
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*f._p = 0;
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return ret;
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}
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#ifdef _NANO_FORMATTED_IO
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int
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_EXFUN(_vsniprintf_r, (struct _reent *, char *, size_t, const char *, __VALIST)
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_ATTRIBUTE ((__alias__("_vsnprintf_r"))));
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#endif
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