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-rw-r--r--sysdeps/gnu/errlist.awk65
1 files changed, 65 insertions, 0 deletions
diff --git a/sysdeps/gnu/errlist.awk b/sysdeps/gnu/errlist.awk
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+# Copyright (C) 1991, 92, 93, 94, 95, 96 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 "#include <errno.h>";
+    print "";
+    print "const char *_sys_errlist[] =";
+    print "  {";
+    print "    [0] = N_(\"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;
+    if (e == "EWOULDBLOCK")
+      print "#if defined (EWOULDBLOCK) && EWOULDBLOCK != EAGAIN";
+    else
+      printf "#ifdef %s\n", e;
+    printf "    [%s] = N_(\"%s\"),\n", e, etext;
+    print "#endif";
+    next;
+  }
+{ errnoh=0 }
+END {
+  print "  };";
+  print "";
+  print "const int _sys_nerr = sizeof _sys_errlist / sizeof _sys_errlist[0];";
+  print "weak_alias (_sys_errlist, sys_errlist)";
+  print "weak_alias (_sys_nerr, sys_nerr)";
+  }