eabd7de028
* libc/stdio/Makefile.am: Build vfprintf.c and vfscanf.c with -DSTRING_ONLY defined with and without -DINTEGER_ONLY defined to build special versions for sprintf/sscanf family functions. * libc/stdio/Makefile.in: Regenerated. * libc/stdio/vfprintf.c[STRING_ONLY][INTEGER_ONLY](_VFPRINTF_R): Redefine to be _svfiprintf_r which is optimized to work with siprintf family of functions (i.e. no I/O) and does not support floating-point. [STRING_ONLY][!INTEGER_ONLY](_VFPRINTF_R): Redefine to be _svfprintf_r which is optimized to work with sprintf family of functions and not use I/O. [STRING_ONLY](__sprint_r): New string only version of static function. designed to work with sprintf family of functions. * libc/stdio/vfscanf.c[STRING_ONLY][INTEGER_ONLY](_SVFSCANF_R): Redefine to be _ssvfiscanf_r which is optimized to work with siscanf family of functions (i.e. no I/O) and no float-point support. [STRING_ONLY][!INTEGER_ONLY](_SVFSCANF_R): Redefine to be __ssvfscanf_r which is optimized to work with sscanf family of functions and does not require I/O functions. * libc/stdio/asprintf.c: Call _svfprintf_r instead of _vfprintf_r. * libc/stdio/snprintf.c: Ditto. * libc/stdio/sprintf.c: Ditto. * libc/stdio/vasnprintf.c: Ditto. * libc/stdio/vasprintf.c: Ditto. * libc/stdio/siprintf.c: Call _svfiprintf_r instead of _vfiprintf_r. * libc/stdio/sniprintf.c: Ditto. * libc/stdio/vasiprintf.c: Ditto. * libc/stdio/vsiprintf.c: Ditto. * libc/stdio/vsniprintf.c: Ditto. * libc/stdio/vsprintf.c: Ditto. * libc/stdio/local.h: Add prototypes for _svfprintf_r, _svfiprintf_r, _ssvfscanf_r, and _ssvfiscanf_r. * libc/stdio/sscanf.c: Call _ssvfscanf_r instead of _svfscanf_r. * libc/stdio/vsscanf.c: Ditto. * libc/stdio/siscanf.c: Call _ssvfiscanf_r instead of _svfiscanf_r. * libc/stdio/vsiscanf.c: Ditto.
121 lines
2.7 KiB
C
121 lines
2.7 KiB
C
/*
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* Copyright (c) 1990, 2007 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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/* This code created by modifying snprintf.c so copyright inherited. */
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/* doc in siprintf.c */
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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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#ifdef _HAVE_STDC
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#include <stdarg.h>
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#else
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#include <varargs.h>
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#endif
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#include <limits.h>
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#include <errno.h>
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#include "local.h"
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int
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#ifdef _HAVE_STDC
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_DEFUN (_sniprintf_r, (ptr, str, size, fmt),
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struct _reent *ptr _AND
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char *str _AND
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size_t size _AND
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_CONST char *fmt _DOTS)
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#else
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_sniprintf_r (ptr, str, size, fmt, va_alist)
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struct _reent *ptr;
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char *str;
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size_t size;
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_CONST char *fmt;
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va_dcl
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#endif
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{
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int ret;
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va_list ap;
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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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#ifdef _HAVE_STDC
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va_start (ap, fmt);
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#else
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va_start (ap);
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#endif
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ret = _svfiprintf_r (ptr, &f, fmt, ap);
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va_end (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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#ifndef _REENT_ONLY
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int
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#ifdef _HAVE_STDC
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_DEFUN (sniprintf, (str, size, fmt),
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char *str _AND
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size_t size _AND
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_CONST char *fmt _DOTS)
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#else
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sniprintf (str, size, fmt, va_alist)
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char *str;
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size_t size;
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_CONST char *fmt;
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va_dcl
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#endif
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{
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int ret;
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va_list ap;
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FILE f;
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struct _reent *ptr = _REENT;
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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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#ifdef _HAVE_STDC
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va_start (ap, fmt);
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#else
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va_start (ap);
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#endif
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ret = _svfiprintf_r (ptr, &f, fmt, ap);
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va_end (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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#endif
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