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score: Move formatted I/O functions

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These functions do not belong to an super core service.
This commit is contained in:
Sebastian Huber
2023-07-28 11:58:32 +02:00
parent 4516a5b797
commit 527af2b7f2
17 changed files with 136 additions and 164 deletions
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cpukit/dev/iobase64.c
+111
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@@ -0,0 +1,111 @@
/* SPDX-License-Identifier: ISC */
/**
* @file
*
* @ingroup RTEMSDeviceIO
*
* @brief This source file contains the implementation of
* _IO_Base64() and _IO_Base64url().
*/
/*
* Copyright (C) 2020, 2021 embedded brains GmbH & Co. KG
* Copyright (C) 2004, 2005, 2007, 2009 Internet Systems Consortium, Inc. ("ISC")
* Copyright (C) 1998-2001, 2003 Internet Software Consortium.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#include <rtems/dev/io.h>
static void
_IO_Put(int c, void *arg, IO_Put_char put_char)
{
(*put_char)(c, arg);
}
static int
_IO_Base64_with_encoding(IO_Put_char put_char, void *arg, const void *src,
size_t srclen, const char *wordbreak, int wordlen, const char *encoding)
{
unsigned int loops = 0;
const unsigned char *in = src;
int out = 0;
if (wordlen < 4) {
wordlen = 4;
}
while (srclen > 2) {
_IO_Put(encoding[(in[0]>>2)&0x3f], arg, put_char);
_IO_Put(encoding[((in[0]<<4)&0x30)|
((in[1]>>4)&0x0f)], arg, put_char);
_IO_Put(encoding[((in[1]<<2)&0x3c)|
((in[2]>>6)&0x03)], arg, put_char);
_IO_Put(encoding[in[2]&0x3f], arg, put_char);
in += 3;
srclen -= 3;
out += 4;
loops++;
if (srclen != 0 &&
(int)((loops + 1) * 4) >= wordlen)
{
const char *w = wordbreak;
loops = 0;
while (*w != '\0') {
_IO_Put(*w, arg, put_char);
++w;
++out;
}
}
}
if (srclen == 2) {
_IO_Put(encoding[(in[0]>>2)&0x3f], arg, put_char);
_IO_Put(encoding[((in[0]<<4)&0x30)|
((in[1]>>4)&0x0f)], arg, put_char);
_IO_Put(encoding[((in[1]<<2)&0x3c)], arg, put_char);
_IO_Put('=', arg, put_char);
out += 4;
} else if (srclen == 1) {
_IO_Put(encoding[(in[0]>>2)&0x3f], arg, put_char);
_IO_Put(encoding[((in[0]<<4)&0x30)], arg, put_char);
_IO_Put('=', arg, put_char);
_IO_Put('=', arg, put_char);
out += 4;
}
return out;
}
static const char base64[] =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
int
_IO_Base64(IO_Put_char put_char, void *arg, const void *src, size_t srclen,
const char *wordbreak, int wordlen)
{
return _IO_Base64_with_encoding(put_char, arg, src, srclen, wordbreak,
wordlen, base64);
}
static const char base64url[] =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_=";
int
_IO_Base64url(IO_Put_char put_char, void *arg, const void *src, size_t srclen,
const char *wordbreak, int wordlen)
{
return _IO_Base64_with_encoding(put_char, arg, src, srclen, wordbreak,
wordlen, base64url);
}
cpukit/dev/ioprintf.c
+53
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@@ -0,0 +1,53 @@
/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup RTEMSDeviceIO
*
* @brief This source file contains the implementation of
* _IO_Printf().
*/
/*
* Copyright (c) 2017 embedded brains GmbH & Co. KG
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/dev/io.h>
int _IO_Printf( IO_Put_char put_char, void *arg, char const *fmt, ... )
{
va_list ap;
int len;
va_start( ap, fmt );
len = _IO_Vprintf( put_char, arg, fmt, ap );
va_end( ap );
return len;
}
cpukit/dev/iovprintf.c
+377
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@@ -0,0 +1,377 @@
/**
* @file
*
* @ingroup RTEMSDeviceIO
*
* @brief This source file contains the implementation of
* _IO_Vprintf().
*/
/*-
* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 1986, 1988, 1991, 1993
* The Regents of the University of California. All rights reserved.
* (c) UNIX System Laboratories, Inc.
* All or some portions of this file are derived from material licensed
* to the University of California by American Telephone and Telegraph
* Co. or Unix System Laboratories, Inc. and are reproduced herein with
* the permission of UNIX System Laboratories, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)subr_prf.c 8.3 (Berkeley) 1/21/94
*/
#include <rtems/dev/io.h>
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: head/sys/kern/subr_prf.c 336417 2018-07-17 14:56:54Z markj $");
#include <sys/param.h>
#include <string.h>
/* Max number conversion buffer length: a intmax_t in base 8, plus NUL byte. */
#define MAXNBUF (howmany(sizeof(intmax_t) * NBBY, 3) + 1)
static inline int imax(int a, int b) { return (a > b ? a : b); }
static char const hex2ascii_data[2][16] = {
{ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
'a', 'b', 'c', 'd', 'e', 'f' },
{ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
'A', 'B', 'C', 'D', 'E', 'F' }
};
static inline char
hex2ascii(int hex)
{
return (hex2ascii_data[0][hex]);
}
/*
* Put a NUL-terminated ASCII number (base <= 16) in a buffer in reverse
* order; return an optional length and a pointer to the last character
* written in the buffer (i.e., the first character of the string).
* The buffer pointed to by `nbuf' must have length >= MAXNBUF.
*/
static char *
ksprintn(char *nbuf, uintmax_t num, int base, int *lenp, int upper)
{
char *p;
p = nbuf;
*p = '\0';
do {
*++p = hex2ascii_data[upper][num % base];
} while (num /= base);
if (lenp)
*lenp = p - nbuf;
return (p);
}
int
_IO_Vprintf(IO_Put_char put_char, void *arg, char const *fmt, va_list ap)
{
#define PCHAR(c) {int cc=(c); (*put_char)(cc, arg); retval++; }
char nbuf[MAXNBUF];
const char *p, *percent, *q;
u_char *up;
int ch, n;
uintmax_t num;
int base, lflag, tmp, width, ladjust, sharpflag, neg, sign, dot;
int cflag, hflag, jflag;
RTEMS_STATIC_ASSERT(sizeof(intmax_t) == sizeof(long long), _IO_Vprintf_j);
#if __SIZEOF_PTRDIFF_T__ == __SIZEOF_LONG__
#define tflag lflag
#else
int tflag;
#endif
#if __SIZEOF_SIZE_T__ == __SIZEOF_LONG__
#define zflag lflag
#else
int zflag;
#endif
int dwidth, upper;
char padc;
int stop = 0, retval = 0;
num = 0;
if (fmt == NULL)
fmt = "(fmt null)\n";
for (;;) {
padc = ' ';
width = 0;
while ((ch = (u_char)*fmt++) != '%' || stop) {
if (ch == '\0')
return (retval);
PCHAR(ch);
}
percent = fmt - 1;
lflag = 0; ladjust = 0; sharpflag = 0; neg = 0;
sign = 0; dot = 0; dwidth = 0; upper = 0;
cflag = 0; hflag = 0; jflag = 0; tflag = 0; zflag = 0;
reswitch: switch (ch = (u_char)*fmt++) {
case '.':
dot = 1;
goto reswitch;
case '#':
sharpflag = 1;
goto reswitch;
case '+':
sign = 1;
goto reswitch;
case '-':
ladjust = 1;
goto reswitch;
case '%':
PCHAR(ch);
break;
case '*':
if (!dot) {
width = va_arg(ap, int);
if (width < 0) {
ladjust = !ladjust;
width = -width;
}
} else {
dwidth = va_arg(ap, int);
}
goto reswitch;
case '0':
if (!dot) {
padc = '0';
goto reswitch;
}
/* FALLTHROUGH */
case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
for (n = 0;; ++fmt) {
n = n * 10 + ch - '0';
ch = *fmt;
if (ch < '0' || ch > '9')
break;
}
if (dot)
dwidth = n;
else
width = n;
goto reswitch;
case 'c':
width -= 1;
if (!ladjust && width > 0)
while (width--)
PCHAR(padc);
PCHAR(va_arg(ap, int));
if (ladjust && width > 0)
while (width--)
PCHAR(padc);
break;
case 'D':
up = va_arg(ap, u_char *);
p = va_arg(ap, char *);
if (!width)
width = 16;
while(width--) {
PCHAR(hex2ascii(*up >> 4));
PCHAR(hex2ascii(*up & 0x0f));
up++;
if (width)
for (q=p;*q;q++)
PCHAR(*q);
}
break;
case 'd':
case 'i':
base = 10;
sign = 1;
goto handle_sign;
case 'h':
if (hflag) {
hflag = 0;
cflag = 1;
} else
hflag = 1;
goto reswitch;
case 'j':
jflag = 1;
goto reswitch;
case 'l':
if (lflag) {
jflag = 1;
} else
lflag = 1;
goto reswitch;
case 'o':
base = 8;
goto handle_nosign;
case 'p':
base = 16;
sharpflag = (width == 0);
sign = 0;
num = (uintptr_t)va_arg(ap, void *);
goto number;
case 's':
p = va_arg(ap, char *);
if (p == NULL)
p = "(null)";
if (!dot)
n = strlen (p);
else
for (n = 0; n < dwidth && p[n]; n++)
continue;
width -= n;
if (!ladjust && width > 0)
while (width--)
PCHAR(padc);
while (n--)
PCHAR(*p++);
if (ladjust && width > 0)
while (width--)
PCHAR(padc);
break;
case 't':
tflag = 1;
goto reswitch;
case 'u':
base = 10;
goto handle_nosign;
case 'X':
upper = 1;
case 'x':
base = 16;
goto handle_nosign;
case 'y':
base = 16;
sign = 1;
goto handle_sign;
case 'z':
zflag = 1;
goto reswitch;
handle_nosign:
sign = 0;
if (jflag)
num = va_arg(ap, uintmax_t);
#if __SIZEOF_PTRDIFF_T__ != __SIZEOF_LONG__
else if (tflag)
num = va_arg(ap, ptrdiff_t);
#endif
else if (lflag)
num = va_arg(ap, u_long);
#if __SIZEOF_SIZE_T__ != __SIZEOF_LONG__
else if (zflag)
num = va_arg(ap, size_t);
#endif
else if (hflag)
num = (u_short)va_arg(ap, int);
else if (cflag)
num = (u_char)va_arg(ap, int);
else
num = va_arg(ap, u_int);
goto number;
handle_sign:
if (jflag)
num = va_arg(ap, intmax_t);
#if __SIZEOF_PTRDIFF_T__ == __SIZEOF_LONG__
else if (tflag)
num = va_arg(ap, ptrdiff_t);
#endif
else if (lflag)
num = va_arg(ap, long);
#if __SIZEOF_SIZE_T__ == __SIZEOF_LONG__
else if (zflag)
num = va_arg(ap, ssize_t);
#endif
else if (hflag)
num = (short)va_arg(ap, int);
else if (cflag)
num = (char)va_arg(ap, int);
else
num = va_arg(ap, int);
number:
if (sign && (intmax_t)num < 0) {
neg = 1;
num = -(intmax_t)num;
}
p = ksprintn(nbuf, num, base, &n, upper);
tmp = 0;
if (sharpflag && num != 0) {
if (base == 8)
tmp++;
else if (base == 16)
tmp += 2;
}
if (neg)
tmp++;
if (!ladjust && padc == '0')
dwidth = width - tmp;
width -= tmp + imax(dwidth, n);
dwidth -= n;
if (!ladjust)
while (width-- > 0)
PCHAR(' ');
if (neg)
PCHAR('-');
if (sharpflag && num != 0) {
if (base == 8) {
PCHAR('0');
} else if (base == 16) {
PCHAR('0');
PCHAR('x');
}
}
while (dwidth-- > 0)
PCHAR('0');
while (*p)
PCHAR(*p--);
if (ladjust)
while (width-- > 0)
PCHAR(' ');
break;
default:
while (percent < fmt)
PCHAR(*percent++);
/*
* Since we ignore a formatting argument it is no
* longer safe to obey the remaining formatting
* arguments as the arguments will no longer match
* the format specs.
*/
stop = 1;
break;
}
}
#undef PCHAR
}