Update.
[glibc/history.git] / sysdeps / gnu / errlist.awk
blob87444db8d311e6d8a8c8e91be8a6e25df6f989aa
1 # Copyright (C) 1991, 92, 93, 94, 95, 96 Free Software Foundation, Inc.
2 # This file is part of the GNU C Library.
4 # The GNU C Library is free software; you can redistribute it and/or
5 # modify it under the terms of the GNU Library General Public License
6 # as published by the Free Software Foundation; either version 2 of
7 # the License, or (at your option) any later version.
9 # The GNU C Library is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 # Library General Public License for more details.
14 # You should have received a copy of the GNU Library General Public
15 # License along with the GNU C Library; see the file COPYING.LIB. If
16 # not, write to the Free Software Foundation, Inc., 675 Mass Ave,
17 # Cambridge, MA 02139, USA.
19 # errno.texi contains lines like:
20 # @comment errno.h
21 # @comment POSIX.1: Function not implemented
22 # @deftypevr Macro int ENOSYS
23 # @comment errno 78
24 # Descriptive paragraph...
25 # @end deftypevr
27 BEGIN {
28 alias["EWOULDBLOCK"] = "EAGAIN";
29 alias["EDEADLOCK"] = "EDEADLK";
31 print "/* This file is generated from errno.texi by errlist.awk. */"
32 print "";
33 print "#include <errno.h>";
34 print "";
35 print "const char *const _sys_errlist[] =";
36 print " {";
37 print " [0] = N_(\"Success\"),"
39 $1 == "@comment" && $2 == "errno.h" { errnoh=1; next }
40 errnoh == 1 && $1 == "@comment" \
42 ++errnoh;
43 etext = $3;
44 for (i = 4; i <= NF; ++i)
45 etext = etext " " $i;
46 next;
48 errnoh == 2 && $1 == "@deftypevr" && $2 == "Macro" && $3 == "int" \
50 e = $4; errnoh++; next;
52 errnoh == 3 && $1 == "@comment" && $2 == "errno" \
54 errno = $3 + 0;
55 if (alias[e])
56 printf "#if defined (%s) && %s != %s\n", e, e, alias[e];
57 else
58 printf "#ifdef %s\n", e;
59 errnoh = 4;
60 desc="";
61 next;
63 errnoh == 4 && $1 == "@end" && $2 == "deftypevr" \
65 printf "/*%s */\n", desc;
66 printf " [%s] = N_(\"%s\"),\n", e, etext;
67 print "#endif";
68 errnoh = 0;
69 next;
71 errnoh == 4 \
73 # This magic tag in C comments gets them copied into libc.pot.
74 desc = desc "\nTRANS " $0; next
76 { errnoh=0 }
77 END {
78 print " };";
79 print "";
80 print "const int _sys_nerr = sizeof _sys_errlist / sizeof _sys_errlist[0];";
81 print "weak_alias (_sys_errlist, sys_errlist)";
82 print "weak_alias (_sys_nerr, sys_nerr)";