mirror of
https://github.com/autc04/Retro68.git
synced 2024-12-11 19:49:32 +00:00
100 lines
2.5 KiB
C
100 lines
2.5 KiB
C
/*
|
|
* 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 sprintf.c */
|
|
/* This code created by modifying sprintf.c so copyright inherited. */
|
|
|
|
#include <_ansi.h>
|
|
#include <reent.h>
|
|
#include <stdio.h>
|
|
#include <stdarg.h>
|
|
#include <limits.h>
|
|
#include <errno.h>
|
|
#include "local.h"
|
|
|
|
int
|
|
_snprintf_r (struct _reent *ptr,
|
|
char *__restrict str,
|
|
size_t size,
|
|
const char *__restrict fmt, ...)
|
|
{
|
|
int ret;
|
|
va_list ap;
|
|
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. */
|
|
va_start (ap, fmt);
|
|
ret = _svfprintf_r (ptr, &f, fmt, ap);
|
|
va_end (ap);
|
|
if (ret < EOF)
|
|
ptr->_errno = EOVERFLOW;
|
|
if (size > 0)
|
|
*f._p = 0;
|
|
return (ret);
|
|
}
|
|
|
|
#ifdef _NANO_FORMATTED_IO
|
|
int
|
|
_sniprintf_r (struct _reent *, char *, size_t, const char *, ...)
|
|
_ATTRIBUTE ((__alias__("_snprintf_r")));
|
|
#endif
|
|
|
|
#ifndef _REENT_ONLY
|
|
|
|
int
|
|
snprintf (char *__restrict str,
|
|
size_t size,
|
|
const char *__restrict fmt, ...)
|
|
{
|
|
int ret;
|
|
va_list ap;
|
|
FILE f;
|
|
struct _reent *ptr = _REENT;
|
|
|
|
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. */
|
|
va_start (ap, fmt);
|
|
ret = _svfprintf_r (ptr, &f, fmt, ap);
|
|
va_end (ap);
|
|
if (ret < EOF)
|
|
ptr->_errno = EOVERFLOW;
|
|
if (size > 0)
|
|
*f._p = 0;
|
|
return (ret);
|
|
}
|
|
|
|
#ifdef _NANO_FORMATTED_IO
|
|
int
|
|
sniprintf (char *, size_t, const char *, ...)
|
|
_ATTRIBUTE ((__alias__("snprintf")));
|
|
#endif
|
|
#endif
|