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