1 # Copyright (C) 1991-1999, 2002 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 Lesser General Public
6 # License as published by the Free Software Foundation; either
7 # version 2.1 of 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 # Lesser General Public License for more details.
14 # You should have received a copy of the GNU Lesser General Public
15 # License along with the GNU C Library; if not, write to the Free
16 # Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19 # errno.texi contains lines like:
21 # @comment POSIX.1: Function not implemented
22 # @deftypevr Macro int ENOSYS
24 # Descriptive paragraph...
29 # Here we list the E* names that might be duplicate names for the
30 # same integer value on some systems. This causes the code below
31 # to generate ``#if defined (ALIAS) && ALIAS != ORIGINAL'' in the code,
32 # so the output does not presume that these are in fact aliases.
33 # We list here all the known potential cases on any system,
34 # so that the C source we produce will do the right thing based
35 # on the actual #define'd values it's compiled with.
36 alias
["EWOULDBLOCK"]=
"EAGAIN";
37 alias
["EDEADLOCK"] =
"EDEADLK";
38 alias
["ENOTSUP"] =
"EOPNOTSUPP";
40 print "/* This file is generated from errno.texi by errlist.awk. */"
42 print "#include <errno.h>";
43 print "#include <libintl.h>";
45 print "#ifndef ERR_REMAP";
46 print "# define ERR_REMAP(n) n";
50 print "const char *const _sys_errlist_internal[] =";
52 print " [0] = N_(\"Success\"),"
55 $
1 ==
"@comment" && $
2 ==
"errno.h" { errnoh=
1; next }
56 errnoh ==
1 && $
1 ==
"@comment" \
60 for (i =
4; i
<=
NF; ++i
)
64 errnoh ==
2 && $
1 ==
"@deftypevr" && $
2 ==
"Macro" && $
3 ==
"int" \
66 e = $
4; errnoh
++; next;
68 errnoh ==
3 && $
1 ==
"@comment" && $
2 ==
"errno" \
72 printf "#if defined (%s) && %s != %s\n", e
, e
, alias
[e
];
74 printf "#ifdef %s\n", e
;
79 errnoh ==
4 && $
1 ==
"@end" && $
2 ==
"deftypevr" \
81 printf "/*%s */\n", desc
;
82 printf " [ERR_REMAP (%s)] = N_(\"%s\"),\n", e
, etext
;
83 printf "# if %s > ERR_MAX\n", e
;
84 print "# undef ERR_MAX";
85 printf "# define ERR_MAX %s\n", e
;
93 # This magic tag in C comments gets them copied into libc.pot.
94 desc = desc
"\nTRANS " $
0; next
100 print "const int _sys_nerr_internal";
101 print " = sizeof _sys_errlist_internal / sizeof _sys_errlist_internal [0];";
103 print "#if !defined NOT_IN_libc && !ERRLIST_NO_COMPAT";
104 print "# include <errlist-compat.c>";
107 print "#ifdef EMIT_ERR_MAX";
108 print "void dummy (void)"
109 print "{ asm volatile (\" @@@ %0 @@@ \" : : \"i\" (ERR_REMAP (ERR_MAX))); }"