 4691eeae9f
			
		
	
	
		4691eeae9f
		
	
	
	
	
		
			
			. strerror() assumes this . remove generated libminc/errlist.c . errno's in <sys/errno.h> have to be in sorted order . filtering out some errno.h in Makefile lets us use near-stock errlist.awk
		
			
				
	
	
		
			118 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			Awk
		
	
	
	
	
	
			
		
		
	
	
			118 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			Awk
		
	
	
	
	
	
| #! /usr/bin/awk -f
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| #	$NetBSD: errlist.awk,v 1.4 2010/12/16 22:52:32 joerg Exp $
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| #
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| # Copyright (c) 2010 The NetBSD Foundation, Inc.
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| # All rights reserved.
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| #
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| # This code is derived from software contributed to The NetBSD Foundation
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| # by Christos Zoulas.
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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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| # 3. All advertising materials mentioning features or use of this software
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| #    must display the following acknowledgement:
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| #        This product includes software developed by the NetBSD
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| #        Foundation, Inc. and its contributors.
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| # 4. Neither the name of The NetBSD Foundation nor the names of its
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| #    contributors may be used to endorse or promote products derived
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| #    from this software without specific prior written permission.
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| #
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| # THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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| # ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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| # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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| # PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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| # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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| # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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| # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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| # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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| # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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| # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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| # POSSIBILITY OF SUCH DAMAGE.
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| #
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| function tabs(desc) {
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| 	l = length(desc) + 3;
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| 	if (concat)
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| 		l++
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| 	if (l < 16)
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| 		return "\t\t\t\t";
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| 	else if (l < 24)
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| 		return "\t\t\t";
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| 	else if (l < 32)
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| 		return "\t\t";
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| 	else if (l < 40)
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| 		return "\t";
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| 	else
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| 		return "";
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| }
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| function perror(name, number, desc)
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| {
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| 	if (!concat) {
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| 		printf("\t\"%s\",%s/* %d - %s */\n", desc, tabs(desc), number, name);
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| 	} else {
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| 		offsets[number] = offset;
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| 		offset += length(desc) + 1;
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| 		printf("\t\"%s\\0\"%s/* %d - %s */\n", desc, tabs(desc), number, name);
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| 	}
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| }
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| BEGIN {
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| 	printf("/* Automatically generated file; do not edit */\n");
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| 	printf("#include <sys/cdefs.h>\n");
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| 	printf("__RCSID(\"$NetBSD: errlist.awk,v 1.4 2010/12/16 22:52:32 joerg Exp $\");\n");
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| 	printf("#include <errno.h>\n");
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| 	if (!concat) {
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| 		printf("static const char *const errlist[] = {\n");
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| 	} else {
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| 		printf("static const char concat_errlist[] = {\n");
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| 		offset = 0;
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| 	}
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| 	perror("ENOERROR", 0, "Undefined error: 0");
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| 	errno = 1;
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| }
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| /^#define/ {
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| 	name = $2;
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| 	if (name == "ELAST")
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| 		next;
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| 	number = $3;
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| 	if (number < 0 || number == "EAGAIN")
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| 		next;
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| 	desc = $0;
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| 	i1 = index(desc, "/*") + 3;
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| 	l = length(desc);
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| 	desc = substr(desc, i1, l - i1 - 2);
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| 	if (number < errno) {
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| 		printf("%s\n error number mismatch %d != %d\n", $0, number, errno) > "/dev/stderr";
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| 		exit(1);
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| 	}
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| 	while(errno < number) {
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| 		perror("UNDEFINED", errno, "Undefined error: " errno);
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| 		errno++;
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| 	}
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| 	perror(name, number, desc);
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| 	errno++;
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| }
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| END {
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| 	printf("};\n\n");
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| 	if (!concat) {
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| 		printf("const int sys_nerr = sizeof(errlist) / sizeof(errlist[0]);\n");
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| 		printf("const char * const *sys_errlist = errlist;\n");
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| 	} else {
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| 		printf("static const int concat_nerr = %d;\n", errno);
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| 		printf("static const unsigned short concat_offset[] = {\n");
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| 		offsets[errno++] = offset;
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| 		for (j = 0; j < errno; j++) {
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| 			printf("\t%d,\n", offsets[j]);
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| 		}
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| 		printf("};\n");
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| 		if (offset > 65535) {
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| 			printf("Total errlist size doesn't fit into 16bit\n") > "/dev/stderr";
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| 			exit(1);
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| 		}
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| 	}
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| }
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