482 lines
14 KiB
Bash
482 lines
14 KiB
Bash
#!/bin/sh
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#
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# Copyright (c) 2006 "David Kirchner" <dpk@dpk.net>. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# $FreeBSD$
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#
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# Generates kdump_subr.c
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# mkioctls is a special-purpose script, and works fine as it is
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# now, so it remains independent. The idea behind how it generates
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# its list was heavily borrowed here.
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#
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# Some functions here are automatically generated. This can mean
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# the user will see unusual kdump output or errors while building
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# if the underlying .h files are changed significantly.
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#
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# Key:
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# AUTO: Completely auto-generated with either the "or" or the "switch"
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# method.
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# AUTO - Special: Generated automatically, but with some extra commands
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# that the auto_*_type() functions are inappropriate for.
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# MANUAL: Manually entered and must therefore be manually updated.
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set -e
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LC_ALL=C; export LC_ALL
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if [ -z "$1" ]
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then
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echo "usage: sh $0 include-dir"
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exit 1
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fi
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include_dir=$1
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#
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# Automatically generates a C function that will print out the
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# numeric input as a pipe-delimited string of the appropriate
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# #define keys. ex:
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# S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH
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# The XOR is necessary to prevent including the "0"-value in every
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# line.
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#
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auto_or_type () {
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local name grep file
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name=$1
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grep=$2
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file=$3
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cat <<_EOF_
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/* AUTO */
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void
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$name(intmax_t arg)
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{
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int or = 0;
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printf("%#jx<", (uintmax_t)arg);
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_EOF_
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egrep "^#[[:space:]]*define[[:space:]]+"${grep}"[[:space:]]*" \
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$include_dir/$file | \
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awk '{ for (i = 1; i <= NF; i++) \
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if ($i ~ /define/) \
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break; \
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++i; \
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printf "\tif (!((arg > 0) ^ ((%s) > 0)))\n\t\tif_print_or(arg, %s, or);\n", $i, $i }'
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cat <<_EOF_
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printf(">");
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if (or == 0)
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printf("<invalid>%jd", arg);
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}
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_EOF_
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}
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#
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# Automatically generates a C function used when the argument
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# maps to a single, specific #definition
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#
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auto_switch_type () {
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local name grep file
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name=$1
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grep=$2
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file=$3
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cat <<_EOF_
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/* AUTO */
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void
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$name(intmax_t arg)
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{
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switch (arg) {
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_EOF_
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egrep "^#[[:space:]]*define[[:space:]]+"${grep}"[[:space:]]*" \
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$include_dir/$file | \
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awk '{ for (i = 1; i <= NF; i++) \
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if ($i ~ /define/) \
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break; \
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++i; \
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printf "\tcase %s:\n\t\tprintf(\"%s\");\n\t\tbreak;\n", $i, $i }'
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cat <<_EOF_
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default: /* Should not reach */
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printf("<invalid=%jd>", arg);
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}
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}
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_EOF_
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}
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#
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# Automatically generates a C function used when the argument
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# maps to a #definition
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#
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auto_if_type () {
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local name grep file
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name=$1
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grep=$2
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file=$3
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cat <<_EOF_
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/* AUTO */
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void
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$name(intmax_t arg)
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{
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_EOF_
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egrep "^#[[:space:]]*define[[:space:]]+"${grep}"[[:space:]]*" \
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$include_dir/$file | \
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awk '{ printf "\t"; \
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if (NR > 1) \
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printf "else " ; \
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printf "if (arg == %s) \n\t\tprintf(\"%s\");\n", $2, $2 }'
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cat <<_EOF_
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else /* Should not reach */
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printf("<invalid=%jd>", arg);
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}
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_EOF_
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}
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# C start
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cat <<_EOF_
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#include <stdint.h>
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#include <stdio.h>
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#include <sys/fcntl.h>
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#include <sys/stat.h>
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#include <sys/unistd.h>
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#include <sys/mman.h>
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#include <sys/wait.h>
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#define _KERNEL
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#include <sys/socket.h>
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#undef _KERNEL
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#include <netinet/in.h>
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#include <sys/param.h>
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#include <sys/mount.h>
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#include <sys/ptrace.h>
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#include <sys/resource.h>
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#include <sys/reboot.h>
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#include <sched.h>
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#include <sys/linker.h>
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#define _KERNEL
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#include <sys/thr.h>
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#undef _KERNEL
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#include <sys/extattr.h>
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#include <sys/acl.h>
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#include <aio.h>
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#include <sys/sem.h>
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#include <sys/ipc.h>
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#include <sys/rtprio.h>
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#include <sys/shm.h>
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#include <nfsserver/nfs.h>
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#include <ufs/ufs/quota.h>
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#include <sys/capability.h>
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#include "kdump_subr.h"
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/*
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* These are simple support macros. print_or utilizes a variable
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* defined in the calling function to track whether or not it should
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* print a logical-OR character ('|') before a string. if_print_or
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* simply handles the necessary "if" statement used in many lines
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* of this file.
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*/
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#define print_or(str,orflag) do { \\
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if (orflag) putchar('|'); else orflag = 1; \\
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printf (str); } \\
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while (0)
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#define if_print_or(i,flag,orflag) do { \\
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if ((i & flag) == flag) \\
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print_or(#flag,orflag); } \\
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while (0)
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/* MANUAL */
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extern char *signames[]; /* from kdump.c */
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void
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signame(int sig)
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{
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if (sig > 0 && sig < NSIG)
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printf("SIG%s",signames[sig]);
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else
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printf("SIG %d", sig);
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}
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/* MANUAL */
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void
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semctlname(int cmd)
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{
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switch (cmd) {
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case GETNCNT:
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printf("GETNCNT");
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break;
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case GETPID:
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printf("GETPID");
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break;
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case GETVAL:
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printf("GETVAL");
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break;
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case GETALL:
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printf("GETALL");
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break;
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case GETZCNT:
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printf("GETZCNT");
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break;
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case SETVAL:
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printf("SETVAL");
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break;
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case SETALL:
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printf("SETALL");
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break;
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case IPC_RMID:
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printf("IPC_RMID");
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break;
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case IPC_SET:
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printf("IPC_SET");
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break;
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case IPC_STAT:
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printf("IPC_STAT");
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break;
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default: /* Should not reach */
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printf("<invalid=%d>", cmd);
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}
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}
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/* MANUAL */
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void
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shmctlname(int cmd)
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{
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switch (cmd) {
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case IPC_RMID:
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printf("IPC_RMID");
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break;
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case IPC_SET:
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printf("IPC_SET");
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break;
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case IPC_STAT:
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printf("IPC_STAT");
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break;
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default: /* Should not reach */
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printf("<invalid=%d>", cmd);
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}
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}
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/* MANUAL */
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void
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semgetname(int flag)
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{
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int or = 0;
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if_print_or(flag, IPC_CREAT, or);
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if_print_or(flag, IPC_EXCL, or);
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if_print_or(flag, SEM_R, or);
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if_print_or(flag, SEM_A, or);
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if_print_or(flag, (SEM_R>>3), or);
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if_print_or(flag, (SEM_A>>3), or);
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if_print_or(flag, (SEM_R>>6), or);
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if_print_or(flag, (SEM_A>>6), or);
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}
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/*
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* MANUAL
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*
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* Only used by SYS_open. Unless O_CREAT is set in flags, the
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* mode argument is unused (and often bogus and misleading).
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*/
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void
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flagsandmodename(int flags, int mode, int decimal)
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{
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flagsname(flags);
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putchar(',');
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if ((flags & O_CREAT) == O_CREAT) {
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modename (mode);
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} else {
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if (decimal) {
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printf("<unused>%d", mode);
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} else {
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printf("<unused>%#x", (unsigned int)mode);
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}
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}
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}
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/*
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* MANUAL
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*
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* [g|s]etsockopt's level argument can either be SOL_SOCKET or a value
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* referring to a line in /etc/protocols . It might be appropriate
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* to use getprotoent(3) here.
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*/
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void
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sockoptlevelname(int level, int decimal)
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{
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if (level == SOL_SOCKET) {
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printf("SOL_SOCKET");
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} else {
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if (decimal) {
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printf("%d", level);
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} else {
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printf("%#x", (unsigned int)level);
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}
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}
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}
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_EOF_
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auto_or_type "accessmodename" "[A-Z]_OK[[:space:]]+0?x?[0-9A-Fa-f]+" "sys/unistd.h"
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auto_switch_type "acltypename" "ACL_TYPE_[A-Z4_]+[[:space:]]+0x[0-9]+" "sys/acl.h"
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auto_or_type "capname" "CAP_[A-Z]+[[:space:]]+0x[01248]{16}ULL" "sys/capability.h"
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auto_switch_type "extattrctlname" "EXTATTR_NAMESPACE_[A-Z]+[[:space:]]+0x[0-9]+" "sys/extattr.h"
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auto_switch_type "fadvisebehavname" "POSIX_FADV_[A-Z]+[[:space:]]+[0-9]+" "sys/fcntl.h"
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auto_or_type "flagsname" "O_[A-Z]+[[:space:]]+0x[0-9A-Fa-f]+" "sys/fcntl.h"
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auto_or_type "flockname" "LOCK_[A-Z]+[[:space:]]+0x[0-9]+" "sys/fcntl.h"
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auto_or_type "getfsstatflagsname" "MNT_[A-Z]+[[:space:]]+[1-9][0-9]*" "sys/mount.h"
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auto_switch_type "kldsymcmdname" "KLDSYM_[A-Z]+[[:space:]]+[0-9]+" "sys/linker.h"
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auto_switch_type "kldunloadfflagsname" "LINKER_UNLOAD_[A-Z]+[[:space:]]+[0-9]+" "sys/linker.h"
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auto_switch_type "lio_listioname" "LIO_(NO)?WAIT[[:space:]]+[0-9]+" "aio.h"
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auto_switch_type "madvisebehavname" "_?MADV_[A-Z]+[[:space:]]+[0-9]+" "sys/mman.h"
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auto_switch_type "minheritname" "INHERIT_[A-Z]+[[:space:]]+[0-9]+" "sys/mman.h"
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auto_or_type "mlockallname" "MCL_[A-Z]+[[:space:]]+0x[0-9]+" "sys/mman.h"
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auto_or_type "mmapflagsname" "MAP_[A-Z]+[[:space:]]+0x[0-9A-Fa-f]+" "sys/mman.h"
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auto_or_type "mmapprotname" "PROT_[A-Z]+[[:space:]]+0x[0-9A-Fa-f]+" "sys/mman.h"
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auto_or_type "modename" "S_[A-Z]+[[:space:]]+[0-6]{7}" "sys/stat.h"
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auto_or_type "mountflagsname" "MNT_[A-Z]+[[:space:]]+0x[0-9]+" "sys/mount.h"
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auto_switch_type "msyncflagsname" "MS_[A-Z]+[[:space:]]+0x[0-9]+" "sys/mman.h"
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auto_or_type "nfssvcname" "NFSSVC_[A-Z]+[[:space:]]+0x[0-9]+" "nfsserver/nfs.h"
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auto_switch_type "prioname" "PRIO_[A-Z]+[[:space:]]+[0-9]" "sys/resource.h"
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auto_switch_type "ptraceopname" "PT_[[:alnum:]_]+[[:space:]]+[0-9]+" "sys/ptrace.h"
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auto_switch_type "quotactlname" "Q_[A-Z]+[[:space:]]+0x[0-9]+" "ufs/ufs/quota.h"
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auto_or_type "rebootoptname" "RB_[A-Z]+[[:space:]]+0x[0-9]+" "sys/reboot.h"
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auto_or_type "rforkname" "RF[A-Z]+[[:space:]]+\([0-9]+<<[0-9]+\)" "sys/unistd.h"
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auto_switch_type "rlimitname" "RLIMIT_[A-Z]+[[:space:]]+[0-9]+" "sys/resource.h"
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auto_switch_type "schedpolicyname" "SCHED_[A-Z]+[[:space:]]+[0-9]+" "sched.h"
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auto_switch_type "sendfileflagsname" "SF_[A-Z]+[[:space:]]+[0-9]+" "sys/socket.h"
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auto_or_type "shmatname" "SHM_[A-Z]+[[:space:]]+[0-9]{6}+" "sys/shm.h"
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auto_switch_type "shutdownhowname" "SHUT_[A-Z]+[[:space:]]+[0-9]+" "sys/socket.h"
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auto_switch_type "sigprocmaskhowname" "SIG_[A-Z]+[[:space:]]+[0-9]+" "sys/signal.h"
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auto_if_type "sockdomainname" "PF_[[:alnum:]]+[[:space:]]+" "sys/socket.h"
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auto_if_type "sockfamilyname" "AF_[[:alnum:]]+[[:space:]]+" "sys/socket.h"
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auto_if_type "sockipprotoname" "IPPROTO_[[:alnum:]]+[[:space:]]+" "netinet/in.h"
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auto_switch_type "sockoptname" "SO_[A-Z]+[[:space:]]+0x[0-9]+" "sys/socket.h"
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auto_switch_type "socktypename" "SOCK_[A-Z]+[[:space:]]+[1-9]+[0-9]*" "sys/socket.h"
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auto_or_type "thrcreateflagsname" "THR_[A-Z]+[[:space:]]+0x[0-9]+" "sys/thr.h"
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auto_or_type "wait4optname" "W[A-Z]+[[:space:]]+[0-9]+" "sys/wait.h"
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auto_switch_type "whencename" "SEEK_[A-Z]+[[:space:]]+[0-9]+" "sys/unistd.h"
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cat <<_EOF_
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/*
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* AUTO - Special
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* F_ is used to specify fcntl commands as well as arguments. Both sets are
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* grouped in fcntl.h, and this awk script grabs the first group.
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*/
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void
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fcntlcmdname(int cmd, int arg, int decimal)
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{
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switch (cmd) {
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_EOF_
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egrep "^#[[:space:]]*define[[:space:]]+F_[A-Z]+[[:space:]]+[0-9]+[[:space:]]*" \
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$include_dir/sys/fcntl.h | \
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awk 'BEGIN { o=0 } { for (i = 1; i <= NF; i++) \
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if ($i ~ /define/) \
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break; \
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++i; \
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if (o <= $(i+1)) \
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printf "\tcase %s:\n\t\tprintf(\"%s\");\n\t\tbreak;\n", $i, $i; \
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else \
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exit; \
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o = $(i+1) }'
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cat <<_EOF_
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default: /* Should not reach */
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printf("<invalid=%d>", cmd);
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}
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putchar(',');
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if (cmd == F_GETFD || cmd == F_SETFD) {
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if (arg == FD_CLOEXEC)
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printf("FD_CLOEXEC");
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else if (arg == 0)
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printf("0");
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else {
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if (decimal)
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printf("<invalid>%d", arg);
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else
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printf("<invalid>%#x", (unsigned int)arg);
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}
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} else if (cmd == F_SETFL) {
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flagsname(arg);
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} else {
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if (decimal)
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printf("%d", arg);
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else
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printf("%#x", (unsigned int)arg);
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}
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}
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/*
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* AUTO - Special
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*
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* The only reason this is not fully automated is due to the
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* grep -v RTP_PRIO statement. A better egrep line should
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* make this capable of being a auto_switch_type() function.
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*/
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void
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rtprioname(int func)
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{
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switch (func) {
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_EOF_
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egrep "^#[[:space:]]*define[[:space:]]+RTP_[A-Z]+[[:space:]]+0x[0-9]+[[:space:]]*" \
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$include_dir/sys/rtprio.h | grep -v RTP_PRIO | \
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awk '{ for (i = 1; i <= NF; i++) \
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if ($i ~ /define/) \
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break; \
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++i; \
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printf "\tcase %s:\n\t\tprintf(\"%s\");\n\t\tbreak;\n", $i, $i }'
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cat <<_EOF_
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default: /* Should not reach */
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printf("<invalid=%d>", func);
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}
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}
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/*
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* AUTO - Special
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*
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* The send and recv functions have a flags argument which can be
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* set to 0. There is no corresponding #define. The auto_ functions
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* detect this as "invalid", which is incorrect here.
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*/
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void
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sendrecvflagsname(int flags)
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{
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|
int or = 0;
|
|
|
|
if (flags == 0) {
|
|
printf("0");
|
|
return;
|
|
}
|
|
|
|
printf("%#x<", flags);
|
|
_EOF_
|
|
egrep "^#[[:space:]]*define[[:space:]]+MSG_[A-Z]+[[:space:]]+0x[0-9]+[[:space:]]*" $include_dir/sys/socket.h | \
|
|
awk '{ for (i = 1; i <= NF; i++) \
|
|
if ($i ~ /define/) \
|
|
break; \
|
|
++i; \
|
|
printf "\tif(!((flags>0)^((%s)>0)))\n\t\tif_print_or(flags, %s, or);\n", $i, $i }'
|
|
cat <<_EOF_
|
|
printf(">");
|
|
}
|
|
|
|
_EOF_
|