(nscd_run): Check early for invalid request types.
[glibc.git] / sysdeps / gnu / errlist.awk
blob952cb8073cf1fe8f12e1ac6484f37f454eb8ba41
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
17 # 02111-1307 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 {
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. */"
41 print "";
42 print "#include <errno.h>";
43 print "#include <libintl.h>";
44 print "";
45 print "#ifndef ERR_REMAP";
46 print "# define ERR_REMAP(n) n";
47 print "#endif";
48 print "";
50 print "const char *const _sys_errlist_internal[] =";
51 print " {";
52 print " [0] = N_(\"Success\"),"
55 $1 == "@comment" && $2 == "errno.h" { errnoh=1; next }
56 errnoh == 1 && $1 == "@comment" \
58 ++errnoh;
59 etext = $3;
60 for (i = 4; i <= NF; ++i)
61 etext = etext " " $i;
62 next;
64 errnoh == 2 && $1 == "@deftypevr" && $2 == "Macro" && $3 == "int" \
66 e = $4; errnoh++; next;
68 errnoh == 3 && $1 == "@comment" && $2 == "errno" \
70 errno = $3 + 0;
71 if (alias[e])
72 printf "#if defined (%s) && %s != %s\n", e, e, alias[e];
73 else
74 printf "#ifdef %s\n", e;
75 errnoh = 4;
76 desc="";
77 next;
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;
86 print "# endif";
87 print "#endif";
88 errnoh = 0;
89 next;
91 errnoh == 4 \
93 # This magic tag in C comments gets them copied into libc.pot.
94 desc = desc "\nTRANS " $0; next
96 { errnoh=0 }
97 END {
98 print " };";
99 print "";
100 print "const int _sys_nerr_internal";
101 print " = sizeof _sys_errlist_internal / sizeof _sys_errlist_internal [0];";
102 print "";
103 print "#if !defined NOT_IN_libc && !ERRLIST_NO_COMPAT";
104 print "# include <errlist-compat.c>";
105 print "#endif";
106 print "";
107 print "#ifdef EMIT_ERR_MAX";
108 print "void dummy (void)"
109 print "{ asm volatile (\" @@@ %0 @@@ \" : : \"i\" (ERR_REMAP (ERR_MAX))); }"
110 print "#endif";