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41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
110 lines
3.4 KiB
Awk
110 lines
3.4 KiB
Awk
# Copyright (C) 1991,92,93,94,95,96,97,98,99 Free Software Foundation, Inc.
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# This file is part of the GNU C Library.
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# The GNU C Library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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# The GNU C Library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public
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# License along with the GNU C Library; if not, write to the Free
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# Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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# 02111-1307 USA.
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# errno.texi contains lines like:
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# @comment errno.h
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# @comment POSIX.1: Function not implemented
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# @deftypevr Macro int ENOSYS
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# @comment errno 78
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# Descriptive paragraph...
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# @end deftypevr
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BEGIN {
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# Here we list the E* names that might be duplicate names for the
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# same integer value on some systems. This causes the code below
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# to generate ``#if defined (ALIAS) && ALIAS != ORIGINAL'' in the code,
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# so the output does not presume that these are in fact aliases.
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# We list here all the known potential cases on any system,
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# so that the C source we produce will do the right thing based
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# on the actual #define'd values it's compiled with.
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alias["EWOULDBLOCK"]= "EAGAIN";
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alias["EDEADLOCK"] = "EDEADLK";
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alias["ENOTSUP"] = "EOPNOTSUPP";
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print "/* This file is generated from errno.texi by errlist.awk. */"
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print "";
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print "#include <errno.h>";
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print "#include <libintl.h>";
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print "";
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print "#ifndef SYS_ERRLIST";
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print "# define SYS_ERRLIST _sys_errlist";
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print "# define SYS_ERRLIST_ALIAS sys_errlist";
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print "#endif";
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print "#ifndef SYS_NERR";
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print "# define SYS_NERR _sys_nerr";
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print "# define SYS_NERR_ALIAS sys_nerr";
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print "#endif";
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print "#ifndef ERR_REMAP";
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print "# define ERR_REMAP(n) n";
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print "#endif";
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print "";
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print "const char *const SYS_ERRLIST[] =";
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print " {";
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print " [0] = N_(\"Success\"),"
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}
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$1 == "@comment" && $2 == "errno.h" { errnoh=1; next }
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errnoh == 1 && $1 == "@comment" \
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{
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++errnoh;
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etext = $3;
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for (i = 4; i <= NF; ++i)
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etext = etext " " $i;
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next;
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}
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errnoh == 2 && $1 == "@deftypevr" && $2 == "Macro" && $3 == "int" \
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{
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e = $4; errnoh++; next;
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}
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errnoh == 3 && $1 == "@comment" && $2 == "errno" \
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{
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errno = $3 + 0;
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if (alias[e])
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printf "#if defined (%s) && %s != %s\n", e, e, alias[e];
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else
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printf "#ifdef %s\n", e;
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errnoh = 4;
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desc="";
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next;
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}
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errnoh == 4 && $1 == "@end" && $2 == "deftypevr" \
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{
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printf "/*%s */\n", desc;
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printf " [ERR_REMAP (%s)] = N_(\"%s\"),\n", e, etext;
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print "#endif";
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errnoh = 0;
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next;
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}
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errnoh == 4 \
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{
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# This magic tag in C comments gets them copied into libc.pot.
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desc = desc "\nTRANS " $0; next
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}
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{ errnoh=0 }
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END {
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print " };";
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print "";
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print "const int SYS_NERR = sizeof SYS_ERRLIST / sizeof SYS_ERRLIST [0];";
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print "#ifdef SYS_ERRLIST_ALIAS";
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print "weak_alias (_sys_errlist, SYS_ERRLIST_ALIAS)";
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print "#endif";
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print "#ifdef SYS_NERR_ALIAS";
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print "weak_alias (_sys_nerr, SYS_NERR_ALIAS)";
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print "#endif";
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}
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