src/third_party/talloc/script/mksyms.awk

   1 #
   2 # mksyms.awk
   3 #
   4 # Extract symbols to export from C-header files.
   5 # output in version-script format for linking shared libraries.
   6 #
   7 # Copyright (C) 2008 Micheal Adam <obnox@samba.org>
   8 #
   9 BEGIN {
  10         inheader=0;
  11 }
  12
  13 END {
  14 }
  15
  16 {
  17         if (inheader) {
  18                 if (match($0,"[)][^()]*[;][ \t]*$")) {
  19                         inheader = 0;
  20                 }
  21                 next;
  22         }
  23 }
  24
  25 /^static/ || /^[ \t]*typedef/ || !/^[a-zA-Z\_]/ {
  26         next;
  27 }
  28
  29 /^extern[ \t]+[^()]+[;][ \t]*$/ {
  30         gsub(/[^ \t]+[ \t]+/, "");
  31         sub(/[;][ \t]*$/, "");
  32         printf "           %s;\n", $0;
  33         next;
  34 }
  35
  36 # look for function headers:
  37 {
  38         gotstart = 0;
  39         if ($0 ~ /^[A-Za-z_][A-Za-z0-9_]+/) {
  40         gotstart = 1;
  41         }
  42         if(!gotstart) {
  43                 next;
  44         }
  45 }
  46
  47 /[_A-Za-z0-9]+[ \t]*[(].*[)][^()]*;[ \t]*$/ {
  48         sub(/[(].*$/, "");
  49         gsub(/[^ \t]+[ \t]+/, "");
  50         gsub(/^[*]+/, "");
  51         printf "           %s;\n",$0;
  52         next;
  53 }
  54
  55 /[_A-Za-z0-9]+[ \t]*[(]/ {
  56         inheader=1;
  57         sub(/[(].*$/, "");
  58         gsub(/[^ \t]+[ \t]+/, "");
  59         gsub(/^[*]/, "");
  60         printf "           %s;\n",$0;
  61         next;
  62 }
  63