external/bsd/top/dist/sigconv.awk

   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
  36 BEGIN           {
  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
  85 END                             {
  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                                 }