glibc/sysdeps/mach/hurd/errlist.awk
1995-02-18 01:27:10 +00:00

78 lines
2.3 KiB
Awk

# Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
# The GNU C Library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public License
# as published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
# The GNU C Library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Library General Public License for more details.
# You should have received a copy of the GNU Library General Public
# License along with the GNU C Library; see the file COPYING.LIB. If
# not, write to the Free Software Foundation, Inc., 675 Mass Ave,
# Cambridge, MA 02139, USA.
# errno.texinfo contains lines like:
# @comment errno.h
# @comment POSIX.1: Function not implemented
# @deftypevr Macro int ENOSYS
# @comment errno 78
BEGIN {
print "/* This file is generated from errno.texi by errlist.awk. */"
print "";
print "#ifndef HAVE_GNU_LD"
print "#define _sys_nerr sys_nerr"
print "#define _sys_errlist sys_errlist"
print "#endif"
print ""
print "const char *_sys_errlist[] =";
print " {";
maxerrno = 0;
print " \"Success\","
}
$1 == "@comment" && $2 == "errno.h" { errnoh=1; next }
errnoh == 1 && $1 == "@comment" \
{
++errnoh;
etext = $3;
for (i = 4; i <= NF; ++i)
etext = etext " " $i;
next;
}
errnoh == 2 && $1 == "@deftypevr" && $2 == "Macro" && $3 == "int" \
{
e = $4; errnoh++; next;
}
errnoh == 3 && $1 == "@comment" && $2 == "errno" \
{
errno = $3 + 0;
msgs[errno] = etext;
names[errno] = e;
if (errno > maxerrno) maxerrno = errno;
next;
}
{ errnoh=0 }
END {
for (i = 1; i <= maxerrno; ++i)
{
if (names[i] == "")
print " \"Reserved error " i "\",";
else
printf "%-40s/* %d = %s */\n", " \"" msgs[i] "\",", i, names[i];
}
print " };";
print "";
print "#include <errno.h>";
printf "#if _HURD_ERRNOS != %d\n", maxerrno+1;
print "#error errlist/errnos generation bug";
print "#endif"
printf "const int _sys_nerr = %d;\n", maxerrno+1;
print "weak_alias (_sys_errlist, sys_errlist)"
print "weak_alias (_sys_nerr, sys_nerr)"
}