0c3983b25a
. add bsd-style MLINKS to minix man set, restoring aliases (e.g. man add64 -> int64) . update daily cron script to run makewhatis and restore makewhatis in man Makefile (makedb), restores functionality of man -k . netbsd imports of man, mdocml, makewhatis, libutil, apropos . update man.conf with manpage locations, restoring man [-s] <section> . throws out some obsolete manpages
283 lines
6.6 KiB
C
283 lines
6.6 KiB
C
/* $NetBSD: snprintb.c,v 1.5 2009/05/13 02:50:31 pgoyette Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2002 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
|
|
*/
|
|
|
|
/*
|
|
* snprintb: print an interpreted bitmask to a buffer
|
|
*
|
|
* => returns the length of the buffer that would be required to print the
|
|
* string minus the terminating NUL.
|
|
*/
|
|
#ifndef _STANDALONE
|
|
# ifndef _KERNEL
|
|
|
|
# if HAVE_NBTOOL_CONFIG_H
|
|
# include "nbtool_config.h"
|
|
# endif
|
|
|
|
# include <sys/cdefs.h>
|
|
# if defined(LIBC_SCCS) && !defined(lint)
|
|
__RCSID("$NetBSD: snprintb.c,v 1.5 2009/05/13 02:50:31 pgoyette Exp $");
|
|
# endif
|
|
|
|
# include <sys/types.h>
|
|
# include <sys/inttypes.h>
|
|
# include <stdio.h>
|
|
# include <util.h>
|
|
# include <errno.h>
|
|
# else
|
|
# include <sys/cdefs.h>
|
|
__KERNEL_RCSID(0, "$NetBSD: snprintb.c,v 1.5 2009/05/13 02:50:31 pgoyette Exp $");
|
|
# include <sys/param.h>
|
|
# include <sys/inttypes.h>
|
|
# include <sys/systm.h>
|
|
# include <lib/libkern/libkern.h>
|
|
# endif
|
|
|
|
int
|
|
snprintb_m(char *buf, size_t buflen, const char *bitfmt, uint64_t val,
|
|
size_t l_max)
|
|
{
|
|
char *bp = buf, *s_bp = NULL;
|
|
const char *c_fmt, *s_fmt = NULL, *cur_fmt;
|
|
const char *sbase;
|
|
int bit, ch, t_len, s_len = 0, l_len, f_len, v_len, sep;
|
|
int restart = 0;
|
|
uint64_t field;
|
|
|
|
#ifdef _KERNEL
|
|
/*
|
|
* For safety; no other *s*printf() do this, but in the kernel
|
|
* we don't usually check the return value
|
|
*/
|
|
(void)memset(buf, 0, buflen);
|
|
#endif /* _KERNEL */
|
|
|
|
ch = *bitfmt++;
|
|
switch (ch != '\177' ? ch : *bitfmt++) {
|
|
case 8:
|
|
sbase = "0%" PRIo64;
|
|
break;
|
|
case 10:
|
|
sbase = "%" PRId64;
|
|
break;
|
|
case 16:
|
|
sbase = "0x%" PRIx64;
|
|
break;
|
|
default:
|
|
goto internal;
|
|
}
|
|
|
|
/* Reserve space for trailing blank line if needed */
|
|
if (l_max > 0)
|
|
buflen--;
|
|
|
|
t_len = snprintf(bp, buflen, sbase, val);
|
|
if (t_len < 0)
|
|
goto internal;
|
|
|
|
v_len = l_len = t_len;
|
|
|
|
if ((size_t)t_len < buflen)
|
|
bp += t_len;
|
|
else
|
|
bp += buflen - 1;
|
|
|
|
/*
|
|
* If the value we printed was 0 and we're using the old-style format,
|
|
* we're done.
|
|
*/
|
|
if ((val == 0) && (ch != '\177'))
|
|
goto terminate;
|
|
|
|
#define STORE(c) { l_len++; \
|
|
if ((size_t)(++t_len) < buflen) \
|
|
*bp++ = (c); \
|
|
} while ( /* CONSTCOND */ 0)
|
|
|
|
#define BACKUP { if (s_bp != NULL) { \
|
|
bp = s_bp; s_bp = NULL; \
|
|
t_len -= l_len - s_len; \
|
|
restart = 1; \
|
|
bitfmt = s_fmt; \
|
|
} \
|
|
STORE('>'); STORE('\0'); \
|
|
if ((size_t)t_len < buflen) \
|
|
snprintf(bp, buflen - t_len, sbase, val); \
|
|
t_len += v_len; l_len = v_len; bp += v_len; \
|
|
} while ( /* CONSTCOND */ 0)
|
|
|
|
#define PUTSEP \
|
|
if (l_max > 0 && (size_t)l_len >= l_max) { \
|
|
BACKUP; \
|
|
STORE('<'); \
|
|
} else { \
|
|
/* Remember separator location */ \
|
|
if ( l_max > 0 && sep != '<') { \
|
|
s_len = l_len; \
|
|
s_bp = bp; \
|
|
s_fmt = cur_fmt; \
|
|
} \
|
|
STORE(sep); \
|
|
restart = 0; \
|
|
} \
|
|
|
|
#define PUTCHR(c) \
|
|
if (l_max > 0 && (size_t)l_len >= (l_max - 1)) { \
|
|
BACKUP; \
|
|
if (restart == 0) { \
|
|
STORE(c); \
|
|
} else \
|
|
sep = '<'; \
|
|
} else { \
|
|
STORE(c); \
|
|
restart = 0; \
|
|
} \
|
|
|
|
#define PUTS(s) while ((ch = *(s)++) != 0) { \
|
|
PUTCHR(ch); \
|
|
if (restart) \
|
|
break; \
|
|
}
|
|
|
|
/*
|
|
* Chris Torek's new bitmask format is identified by a leading \177
|
|
*/
|
|
sep = '<';
|
|
if (ch != '\177') {
|
|
/* old (standard) format. */
|
|
for (;(bit = *bitfmt) != 0;) {
|
|
cur_fmt = bitfmt++;
|
|
if (val & (1 << (bit - 1))) {
|
|
PUTSEP;
|
|
if (restart)
|
|
continue;
|
|
sep = ',';
|
|
for (; (ch = *bitfmt) > ' '; ++bitfmt) {
|
|
PUTCHR(ch);
|
|
if (restart)
|
|
break;
|
|
}
|
|
} else
|
|
for (; *bitfmt > ' '; ++bitfmt)
|
|
continue;
|
|
}
|
|
} else {
|
|
/* new quad-capable format; also does fields. */
|
|
field = val;
|
|
while (c_fmt = bitfmt, (ch = *bitfmt++) != '\0') {
|
|
bit = *bitfmt++; /* now 0-origin */
|
|
switch (ch) {
|
|
case 'b':
|
|
if (((u_int)(val >> bit) & 1) == 0)
|
|
goto skip;
|
|
cur_fmt = c_fmt;
|
|
PUTSEP;
|
|
if (restart)
|
|
break;
|
|
PUTS(bitfmt);
|
|
if (restart == 0)
|
|
sep = ',';
|
|
break;
|
|
case 'f':
|
|
case 'F':
|
|
cur_fmt = c_fmt;
|
|
f_len = *bitfmt++; /* field length */
|
|
field = (val >> bit) &
|
|
(((uint64_t)1 << f_len) - 1);
|
|
if (ch == 'F') /* just extract */
|
|
break;
|
|
PUTSEP;
|
|
if (restart == 0) {
|
|
sep = ',';
|
|
PUTS(bitfmt);
|
|
}
|
|
if (restart == 0) {
|
|
PUTCHR('=');
|
|
}
|
|
if (restart == 0) {
|
|
f_len = snprintf(bp, buflen - t_len,
|
|
sbase, field);
|
|
if (f_len < 0)
|
|
goto internal;
|
|
t_len += f_len;
|
|
l_len += f_len;
|
|
if ((size_t)t_len < buflen)
|
|
bp += f_len;
|
|
if (l_max > 0 &&
|
|
(size_t)l_len > l_max) {
|
|
PUTCHR('#');
|
|
}
|
|
}
|
|
break;
|
|
case '=':
|
|
case ':':
|
|
/*
|
|
* Here "bit" is actually a value instead,
|
|
* to be compared against the last field.
|
|
* This only works for values in [0..255],
|
|
* of course.
|
|
*/
|
|
if ((int)field != bit)
|
|
goto skip;
|
|
if (ch == '=') {
|
|
PUTCHR('=');
|
|
}
|
|
PUTS(bitfmt);
|
|
break;
|
|
default:
|
|
skip:
|
|
while (*bitfmt++ != '\0')
|
|
continue;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
l_len++;
|
|
if ((size_t)(++t_len) < buflen)
|
|
*bp++ = '>';
|
|
terminate:
|
|
*bp++ = '\0';
|
|
if (l_max != 0) {
|
|
t_len++;
|
|
*bp = '\0';
|
|
}
|
|
return t_len;
|
|
internal:
|
|
#ifndef _KERNEL
|
|
errno = EINVAL;
|
|
#endif
|
|
return -1;
|
|
}
|
|
|
|
int
|
|
snprintb(char *buf, size_t buflen, const char *bitfmt, uint64_t val)
|
|
{
|
|
return snprintb_m(buf, buflen, bitfmt, val, 0);
|
|
}
|
|
#endif
|