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m4/m4-1.4.18-glibc-2.32.patch

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diff -up m4-1.4.18/lib/fflush.c.orig m4-1.4.18/lib/fflush.c
--- m4-1.4.18/lib/fflush.c.orig 2018-05-02 12:35:59.536851666 +0200
+++ m4-1.4.18/lib/fflush.c 2018-05-02 12:37:02.768958606 +0200
@@ -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 @@ clear_ungetc_buffer (FILE *fp)
#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, Android */
@@ -148,7 +148,7 @@ rpl_fflush (FILE *stream)
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);
diff -up m4-1.4.18/lib/fpending.c.orig m4-1.4.18/lib/fpending.c
--- m4-1.4.18/lib/fpending.c.orig 2018-05-02 12:35:32.305806774 +0200
+++ m4-1.4.18/lib/fpending.c 2018-05-02 12:35:44.944827347 +0200
@@ -32,7 +32,7 @@ __fpending (FILE *fp)
/* 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->_IO_write_ptr - fp->_IO_write_base;
#elif defined __sferror || defined __DragonFly__ || defined __ANDROID__
/* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin, Android */
diff -up m4-1.4.18/lib/fpurge.c.orig m4-1.4.18/lib/fpurge.c
--- m4-1.4.18/lib/fpurge.c.orig 2018-05-02 12:38:13.586078669 +0200
+++ m4-1.4.18/lib/fpurge.c 2018-05-02 12:38:38.785121867 +0200
@@ -62,7 +62,7 @@ fpurge (FILE *fp)
/* 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. */
diff -up m4-1.4.18/lib/freadahead.c.orig m4-1.4.18/lib/freadahead.c
--- m4-1.4.18/lib/freadahead.c.orig 2016-12-31 14:54:41.000000000 +0100
+++ m4-1.4.18/lib/freadahead.c 2018-05-02 11:43:19.570336724 +0200
@@ -25,7 +25,7 @@
size_t
freadahead (FILE *fp)
{
-#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_write_ptr > fp->_IO_write_base)
return 0;
return (fp->_IO_read_end - fp->_IO_read_ptr)
diff -up m4-1.4.18/lib/freading.c.orig m4-1.4.18/lib/freading.c
--- m4-1.4.18/lib/freading.c.orig 2018-05-02 12:37:33.970011368 +0200
+++ m4-1.4.18/lib/freading.c 2018-05-02 12:37:59.393054359 +0200
@@ -31,7 +31,7 @@ freading (FILE *fp)
/* 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));
diff -up m4-1.4.18/lib/fseeko.c.orig m4-1.4.18/lib/fseeko.c
--- m4-1.4.18/lib/fseeko.c.orig 2018-05-02 11:44:17.947460233 +0200
+++ m4-1.4.18/lib/fseeko.c 2018-05-02 12:39:49.537216897 +0200
@@ -47,7 +47,7 @@ fseeko (FILE *fp, off_t offset, int when
#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 @@ fseeko (FILE *fp, off_t offset, int when
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__
diff -up m4-1.4.18/lib/stdio-impl.h.orig m4-1.4.18/lib/stdio-impl.h
--- m4-1.4.18/lib/stdio-impl.h.orig 2016-12-31 14:54:42.000000000 +0100
+++ m4-1.4.18/lib/stdio-impl.h 2018-05-02 11:43:19.570336724 +0200
@@ -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. */
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