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--- ./lib/stdio-impl.h.orig 2018-01-03 18:38:53.000000000 -0600
+++ ./lib/stdio-impl.h 2018-09-18 18:49:17.349062298 -0500
@@ -18,6 +18,12 @@
the same implementation of stdio extension API, except that some fields
have different naming conventions, or their access requires some casts. */
+/* Glibc 2.28 made _IO_IN_BACKUP private. For now, work around this
+ problem by defining it ourselves. FIXME: Do not rely on glibc
+ internals. */
+#if !defined _IO_IN_BACKUP && defined _IO_EOF_SEEN
+# define _IO_IN_BACKUP 0x100
+#endif
/* BSD stdio derived implementations. */
--- ./lib/freading.c.orig 2018-01-03 18:38:53.000000000 -0600
+++ ./lib/freading.c 2018-09-18 18:49:17.347062298 -0500
@@ -31,7 +31,7 @@
/* Most systems provide FILE as a struct and the necessary bitmask in
<stdio.h>, because they need it for implementing getc() and putc() as
fast macros. */
-# if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
+# if defined _IO_EOF_SEEN || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
return ((fp->_flags & _IO_NO_WRITES) != 0
|| ((fp->_flags & (_IO_NO_READS | _IO_CURRENTLY_PUTTING)) == 0
&& fp->_IO_read_base != NULL));
--- ./lib/fflush.c.orig 2018-01-03 18:38:53.000000000 -0600
+++ ./lib/fflush.c 2018-09-18 18:49:17.345062298 -0500
@@ -33,7 +33,7 @@
#undef fflush
-#if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
+#if defined _IO_EOF_SEEN || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
/* Clear the stream's ungetc buffer, preserving the value of ftello (fp). */
static void
@@ -72,7 +72,7 @@
#endif
-#if ! (defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */)
+#if ! (defined _IO_EOF_SEEN || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */)
# if (defined __sferror || defined __DragonFly__ || defined __ANDROID__) && defined __SNPT
/* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin, Minix 3, Android */
@@ -148,7 +148,7 @@
if (stream == NULL || ! freading (stream))
return fflush (stream);
-#if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
+#if defined _IO_EOF_SEEN || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
clear_ungetc_buffer_preserving_position (stream);
--- ./lib/fpurge.c.orig 2018-01-03 18:38:53.000000000 -0600
+++ ./lib/fpurge.c 2018-09-18 18:49:17.346062298 -0500
@@ -62,7 +62,7 @@
/* Most systems provide FILE as a struct and the necessary bitmask in
<stdio.h>, because they need it for implementing getc() and putc() as
fast macros. */
-# if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
+# if defined _IO_EOF_SEEN || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
fp->_IO_read_end = fp->_IO_read_ptr;
fp->_IO_write_ptr = fp->_IO_write_base;
/* Avoid memory leak when there is an active ungetc buffer. */
--- ./lib/fseeko.c.orig 2018-01-06 18:03:28.000000000 -0600
+++ ./lib/fseeko.c 2018-09-18 18:49:17.348062298 -0500
@@ -47,7 +47,7 @@
#endif
/* These tests are based on fpurge.c. */
-#if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
+#if defined _IO_EOF_SEEN || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
if (fp->_IO_read_end == fp->_IO_read_ptr
&& fp->_IO_write_ptr == fp->_IO_write_base
&& fp->_IO_save_base == NULL)
@@ -123,7 +123,7 @@
return -1;
}
-#if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
+#if defined _IO_EOF_SEEN || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
fp->_flags &= ~_IO_EOF_SEEN;
fp->_offset = pos;
#elif defined __sferror || defined __DragonFly__ || defined __ANDROID__
--- ./lib/fseterr.c.orig 2018-01-03 18:38:53.000000000 -0600
+++ ./lib/fseterr.c 2018-09-18 18:49:17.349062298 -0500
@@ -29,7 +29,7 @@
/* Most systems provide FILE as a struct and the necessary bitmask in
<stdio.h>, because they need it for implementing getc() and putc() as
fast macros. */
-#if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
+#if defined _IO_EOF_SEEN || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
fp->_flags |= _IO_ERR_SEEN;
#elif defined __sferror || defined __DragonFly__ || defined __ANDROID__
/* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin, Minix 3, Android */
--- ./ChangeLog.orig 2018-01-07 16:33:52.000000000 -0600
+++ ./ChangeLog 2018-09-18 18:49:17.343062298 -0500
@@ -1,3 +1,26 @@
+2018-03-05 Paul Eggert <address@hidden>
+
+ fflush: adjust to glibc 2.28 libio.h removal
+ Problem reported by Daniel P. Berrangé in:
+ https://lists.gnu.org/r/bug-gnulib/2018-03/msg00000.html
+ * lib/fbufmode.c (fbufmode):
+ * lib/fflush.c (clear_ungetc_buffer_preserving_position)
+ (disable_seek_optimization, rpl_fflush):
+ * lib/fpending.c (__fpending):
+ * lib/fpurge.c (fpurge):
+ * lib/freadable.c (freadable):
+ * lib/freadahead.c (freadahead):
+ * lib/freading.c (freading):
+ * lib/freadptr.c (freadptr):
+ * lib/freadseek.c (freadptrinc):
+ * lib/fseeko.c (fseeko):
+ * lib/fseterr.c (fseterr):
+ * lib/fwritable.c (fwritable):
+ * lib/fwriting.c (fwriting):
+ Check _IO_EOF_SEEN instead of _IO_ftrylockfile.
+ * lib/stdio-impl.h (_IO_IN_BACKUP) [_IO_EOF_SEEN]:
+ Define if not already defined.
+
2018-01-07 Jim Meyering <meyering@fb.com>
version 1.9
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