Update copyright dates with scripts/update-copyrights.

[thirdparty/glibc.git] / sysdeps / gnu / errlist.awk

diff --git a/sysdeps/gnu/errlist.awk b/sysdeps/gnu/errlist.awk
index 92828a92d66253bb1cc3f1440d9b5640220ab55c..2701c9fc0cfba51bc1d72bd15bd8ea6d2075ccdc 100644 (file)
--- a/sysdeps/gnu/errlist.awk
+++ b/sysdeps/gnu/errlist.awk
@@ -1,4 +1,4 @@
-# Copyright (C) 1991,92,93,94,95,96,97,98,99 Free Software Foundation, Inc.
+# Copyright (C) 1991-2019 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
@@ -12,15 +12,12 @@
 # Lesser General Public License for more details.
 
 # You should have received a copy of the GNU Lesser General Public
-# License along with the GNU C Library; if not, write to the Free
-# Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-# 02111-1307 USA.
+# License along with the GNU C Library; if not, see
+# <http://www.gnu.org/licenses/>.
 
 # errno.texi contains lines like:
-# @comment errno.h
-# @comment POSIX.1: Function not implemented
 # @deftypevr Macro int ENOSYS
-# @comment errno 78
+# @errno{ENOSYS, 78, Function not implemented}
 # Descriptive paragraph...
 # @end deftypevr
 
@@ -42,38 +39,34 @@ BEGIN {
     print "#include <errno.h>";
     print "#include <libintl.h>";
     print "";
-    print "#ifndef SYS_ERRLIST";
-    print "# define SYS_ERRLIST _sys_errlist";
-    print "# define SYS_ERRLIST_ALIAS sys_errlist";
-    print "#endif";
-    print "#ifndef SYS_NERR";
-    print "# define SYS_NERR _sys_nerr";
-    print "# define SYS_NERR_ALIAS sys_nerr";
-    print "#endif";
     print "#ifndef ERR_REMAP";
     print "# define ERR_REMAP(n) n";
     print "#endif";
     print "";
-    print "const char *const SYS_ERRLIST[] =";
+
+    print "#if !defined EMIT_ERR_MAX && !defined ERRLIST_NO_COMPAT";
+    print "# include <errlist-compat.h>";
+    print "#endif";
+    print "#ifdef ERR_MAX";
+    print "# define ERRLIST_SIZE ERR_MAX + 1";
+    print "#else"
+    print "# define ERR_MAX 0";
+    print "# define ERRLIST_SIZE";
+    print "#endif";
+
+    print "const char *const _sys_errlist_internal[ERRLIST_SIZE] =";
     print "  {";
     print "    [0] = N_(\"Success\"),"
   }
-$1 == "@comment" && $2 == "errno.h" { errnoh=1; next }
-errnoh == 1 && $1 == "@comment" \
+
+/^@errno\{/ \
   {
-    ++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;
+    etext = substr(etext, 1, length(etext)-1)
+    e = substr($1, 8, length($1)-8)
+    errno = substr($2, 1, length($2)-1) + 0
     if (alias[e])
       printf "#if defined (%s) && %s != %s\n", e, e, alias[e];
     else
@@ -86,6 +79,10 @@ errnoh == 4 && $1 == "@end" && $2 == "deftypevr" \
   {
     printf "/*%s */\n", desc;
     printf "    [ERR_REMAP (%s)] = N_(\"%s\"),\n", e, etext;
+    printf "# if %s > ERR_MAX\n", e;
+    print  "# undef ERR_MAX";
+    printf "# define ERR_MAX %s\n", e;
+    print  "# endif";
     print "#endif";
     errnoh = 0;
     next;
@@ -93,17 +90,21 @@ errnoh == 4 && $1 == "@end" && $2 == "deftypevr" \
 errnoh == 4 \
   {
     # This magic tag in C comments gets them copied into libc.pot.
-    desc = desc "\nTRANS " $0; next
+    desc = desc "\nTRANS" ($0 != "" ? " " : "") $0; next
   }
-{ errnoh=0 }
 END {
   print "  };";
   print "";
-  print "const int SYS_NERR = sizeof SYS_ERRLIST / sizeof SYS_ERRLIST [0];";
-  print "#ifdef SYS_ERRLIST_ALIAS";
-  print "weak_alias (_sys_errlist, SYS_ERRLIST_ALIAS)";
+  print "#define NERR \\";
+  print "  (sizeof _sys_errlist_internal / sizeof _sys_errlist_internal [0])";
+  print "const int _sys_nerr_internal = NERR;"
+  print "";
+  print "#if IS_IN (libc) && !defined ERRLIST_NO_COMPAT";
+  print "# include <errlist-compat.c>";
   print "#endif";
-  print "#ifdef SYS_NERR_ALIAS";
-  print "weak_alias (_sys_nerr, SYS_NERR_ALIAS)";
+  print "";
+  print "#ifdef EMIT_ERR_MAX";
+  print "void dummy (void)"
+  print "{ asm volatile (\" @@@ %0 @@@ \" : : \"i\" (ERR_REMAP (ERR_MAX))); }"
   print "#endif";
-  }
+}