[SCM] gawk branch, master, updated. gawk-4.1.0-3876-g82f807b

[Arnold Robbins]

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- Log -----------------------------------------------------------------
http://git.sv.gnu.org/cgit/gawk.git/commit/?id=82f807bf86f42f2b77266da46aca4c3d70cf30ae

commit 82f807bf86f42f2b77266da46aca4c3d70cf30ae
Author: Arnold D. Robbins <address@hidden>
Date:   Fri Jan 24 10:50:54 2020 +0200

    Update some regex files from GNULIB.

diff --git a/support/ChangeLog b/support/ChangeLog
index 1382bcf..ccb217c 100644
--- a/support/ChangeLog
+++ b/support/ChangeLog
@@ -1,6 +1,7 @@
 2020-01-24         Arnold D. Robbins     <address@hidden>
 
        * dfa.h, dfa.c: Update copyright years.
+       * regex.c, regex_internal.h: Update from GNULIB.
 
 2019-12-20         Arnold D. Robbins     <address@hidden>
 
diff --git a/support/regex.c b/support/regex.c
index d4459f7..991eedc 100644
--- a/support/regex.c
+++ b/support/regex.c
@@ -1,5 +1,5 @@
 /* Extended regular expression matching and search library.
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Isamu Hasegawa <address@hidden>.
 
@@ -17,6 +17,8 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
+#define __STDC_WANT_IEC_60559_BFP_EXT__
+
 #ifndef _LIBC
 # include <libc-config.h>
 
diff --git a/support/regex_internal.h b/support/regex_internal.h
index 06957f0..6d436fd 100644
--- a/support/regex_internal.h
+++ b/support/regex_internal.h
@@ -1,5 +1,5 @@
 /* Extended regular expression matching and search library.
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Isamu Hasegawa <address@hidden>.
 
@@ -141,6 +141,9 @@
 #ifndef SSIZE_MAX
 # define SSIZE_MAX ((ssize_t) (SIZE_MAX / 2))
 #endif
+#ifndef ULONG_WIDTH
+# define ULONG_WIDTH (CHAR_BIT * sizeof (unsigned long int))
+#endif
 
 /* The type of indexes into strings.  This is signed, not size_t,
    since the API requires indexes to fit in regoff_t anyway, and using
@@ -164,36 +167,8 @@ typedef __re_size_t re_hashval_t;
 typedef unsigned long int bitset_word_t;
 /* All bits set in a bitset_word_t.  */
 #define BITSET_WORD_MAX ULONG_MAX
-
-/* Number of bits in a bitset_word_t.  For portability to hosts with
-   padding bits, do not use '(sizeof (bitset_word_t) * CHAR_BIT)';
-   instead, deduce it directly from BITSET_WORD_MAX.  Avoid
-   greater-than-32-bit integers and unconditional shifts by more than
-   31 bits, as they're not portable.  */
-#if BITSET_WORD_MAX == 0xffffffffUL
-# define BITSET_WORD_BITS 32
-#elif BITSET_WORD_MAX >> 31 >> 4 == 1
-# define BITSET_WORD_BITS 36
-#elif BITSET_WORD_MAX >> 31 >> 16 == 1
-# define BITSET_WORD_BITS 48
-#elif BITSET_WORD_MAX >> 31 >> 28 == 1
-# define BITSET_WORD_BITS 60
-#elif BITSET_WORD_MAX >> 31 >> 31 >> 1 == 1
-# define BITSET_WORD_BITS 64
-#elif BITSET_WORD_MAX >> 31 >> 31 >> 9 == 1
-# define BITSET_WORD_BITS 72
-#elif BITSET_WORD_MAX >> 31 >> 31 >> 31 >> 31 >> 3 == 1
-# define BITSET_WORD_BITS 128
-#elif BITSET_WORD_MAX >> 31 >> 31 >> 31 >> 31 >> 31 >> 31 >> 31 >> 31 >> 7 == 1
-# define BITSET_WORD_BITS 256
-#elif BITSET_WORD_MAX >> 31 >> 31 >> 31 >> 31 >> 31 >> 31 >> 31 >> 31 >> 7 > 1
-# define BITSET_WORD_BITS 257 /* any value > SBC_MAX will do here */
-# if BITSET_WORD_BITS <= SBC_MAX
-#  error "Invalid SBC_MAX"
-# endif
-#else
-# error "Add case for new bitset_word_t size"
-#endif
+/* Number of bits in a bitset_word_t.  */
+#define BITSET_WORD_BITS ULONG_WIDTH
 
 /* Number of bitset_word_t values in a bitset_t.  */
 #define BITSET_WORDS ((SBC_MAX + BITSET_WORD_BITS - 1) / BITSET_WORD_BITS)
@@ -601,9 +576,8 @@ struct re_backref_cache_entry
   Idx str_idx;
   Idx subexp_from;
   Idx subexp_to;
+  bitset_word_t eps_reachable_subexps_map;
   char more;
-  char unused;
-  unsigned short int eps_reachable_subexps_map;
 };
 
 typedef struct

-----------------------------------------------------------------------

Summary of changes:
 support/ChangeLog        |  1 +
 support/regex.c          |  4 +++-
 support/regex_internal.h | 40 +++++++---------------------------------
 3 files changed, 11 insertions(+), 34 deletions(-)


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