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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 | |
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