1# Copyright (c) 1984 through 2008, William LeFebvre
2# All rights reserved.
3# 
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are met:
6# 
7#    * Redistributions of source code must retain the above copyright
8# notice, this list of conditions and the following disclaimer.
9# 
10#    * Redistributions in binary form must reproduce the above
11# copyright notice, this list of conditions and the following disclaimer
12# in the documentation and/or other materials provided with the
13# distribution.
14# 
15#    * Neither the name of William LeFebvre nor the names of other
16# contributors may be used to endorse or promote products derived from
17# this software without specific prior written permission.
18# 
19# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30
31#
32# Awk script converts an include file with definitions for signal names
33# in to a predefined array that associates the signal numbers to the names.
34#
35
36BEGIN		{
37		    nsig = 0;
38		    j = 0;
39		    print "/* This file was automatically generated */"
40		    print "/* by the awk script \"sigconv.awk\".      */\n"
41		    print "struct sigdesc {"
42		    print "    const char *name;"
43		    print "    int  number;"
44		    print "};\n"
45		    print "struct sigdesc sigdesc[] = {"
46		}
47
48/^#define[ \t][ \t]*SIG[A-Z]/	{
49
50				    j = sprintf("%d", $3);
51				    if (siglist[j] != "") next;
52				    str = $2;
53
54				    if (nsig < j) 
55					nsig = j;
56
57				    siglist[j] = sprintf("\"%s\",\t%2d", \
58						substr(str, 4), j);
59				}
60/^#[ \t]*define[ \t][ \t]*SIG[A-Z]/	{
61
62				    j = sprintf("%d", $4);
63				    if (siglist[j] != "") next;
64				    str = $3;
65
66				    if (nsig < j)
67					nsig = j;
68
69				    siglist[j] = sprintf("\"%s\",\t%2d", \
70						substr(str, 4), j);
71				}
72/^#[ \t]*define[ \t][ \t]*_SIG[A-Z]/	{
73
74				    j = sprintf("%d", $4);
75				    if (siglist[j] != "") next;
76				    str = $3;
77
78				    if (nsig < j)
79					nsig = j;
80
81				    siglist[j] = sprintf("\"%s\",\t%2d", \
82					    substr(str, 5), j);
83				}
84
85END				{
86				    for (n = 1; n <= nsig; n++) 
87					if (siglist[n] != "")
88					    printf("    { %s },\n", siglist[n]);
89
90				    printf("    { NULL,\t 0 }\n};\n");
91				}
92