Module Name: src
Committed By: christos
Date: Sun Dec 12 20:08:27 UTC 2010
Added Files:
src/lib/libc/gen: errlist.awk
Log Message:
Automatically generate the error list.
To generate a diff of this commit:
cvs rdiff -u -r0 -r1.1 src/lib/libc/gen/errlist.awk
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Added files:
Index: src/lib/libc/gen/errlist.awk
diff -u /dev/null src/lib/libc/gen/errlist.awk:1.1
--- /dev/null Sun Dec 12 15:08:27 2010
+++ src/lib/libc/gen/errlist.awk Sun Dec 12 15:08:27 2010
@@ -0,0 +1,92 @@
+#! /usr/bin/awk -f
+# $NetBSD: errlist.awk,v 1.1 2010/12/12 20:08:27 christos Exp $
+#
+# Copyright (c) 2010 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# This code is derived from software contributed to The NetBSD Foundation
+# by Christos Zoulas.
+#
+# 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. All advertising materials mentioning features or use of this software
+# must display the following acknowledgement:
+# This product includes software developed by the NetBSD
+# Foundation, Inc. and its contributors.
+# 4. Neither the name of The NetBSD Foundation 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 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.
+#
+function tabs(desc) {
+ l = length(desc) + 3; /* 3 = ["",] */
+ if (l < 16)
+ return "\t\t\t\t";
+ else if (l < 24)
+ return "\t\t\t";
+ else if (l < 32)
+ return "\t\t";
+ else if (l < 40)
+ return "\t";
+ else
+ return "";
+}
+function perror(name, number, desc)
+{
+ printf("\t\"%s\",%s/* %d - %s */\n", desc, tabs(desc), number, name);
+}
+BEGIN {
+ printf("/* Automatically generated file; do not edit */\n");
+ printf("#include <sys/cdefs.h>\n");
+ printf("#if defined(LIBC_SCCS) && !defined(lint)\n");
+ printf("#if 0\n");
+ printf("static char sccsid[] = \"@(#)errlst.c 8.2 (Berkeley) 11/16/93\";\n");
+ printf("#else\n");
+ printf("__RCSID(\"$NetBSD: errlist.awk,v 1.1 2010/12/12 20:08:27 christos Exp $\");\n");
+ printf("#endif\n");
+ printf("#endif /* LIBC_SCCS and not lint */\n\n");
+ printf("#include <errno.h>\n");
+ printf("static const char *const errlist[] = {\n");
+ perror("ENOERROR", 0, "Undefined error: 0");
+ errno = 1;
+}
+/^#define/ {
+ name = $2;
+ if (name == "ELAST")
+ next;
+ number = $3;
+ if (number < 0 || number == "EAGAIN")
+ next;
+ desc = $0;
+ i1 = index(desc, "/*") + 3;
+ l = length(desc);
+ desc = substr(desc, i1, l - i1 - 2);
+ if (number != errno) {
+ printf("error number mismatch %d != %d\n", number, errno) > "/dev/stderr";
+ exit(1);
+ }
+ perror(name, number, desc);
+ errno++;
+}
+END {
+ printf("};\n\n");
+ printf("const int sys_nerr = sizeof(errlist) / sizeof(errlist[0]);\n");
+ printf("const char * const *sys_errlist = errlist;\n");
+}
