7995abc6ec
Reported at: https://lists.gnu.org/r/bug-gnulib/2018-03/msg00000.html ../lib/freadahead.c: In function 'freadahead': ../lib/freadahead.c:97:3: error: #error "Please port gnulib freadahead.c to your platform! Look at the definition of fflush, fread, ungetc on your system, then report this to bug-gnulib." #error "Please port gnulib freadahead.c to your platform! Look at the definition of fflush, fread, ungetc on your system, then report this to bug-gnulib." ^~~~~ ../lib/freadahead.c:99:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ make[2]: *** [Makefile:9144: lib/freadahead.o] Error 1 make[2]: *** Waiting for unfinished jobs.... ../lib/freadptr.c: In function 'freadptr': ../lib/freadptr.c:119:3: error: #error "Please port gnulib freadptr.c to your platform! Look at the definition of fflush, fread, getc, getc_unlocked on your system, then report this to bug-gnulib." #error "Please port gnulib freadptr.c to your platform! Look at the definition of fflush, fread, getc, getc_unlocked on your system, then report this to bug-gnulib." ^~~~~ ../lib/freadptr.c:29:10: warning: unused variable 'size' [-Wunused-variable] size_t size; ^~~~ ../lib/freadptr.c:121:1: warning: control reaches end of non-void function [-Wreturn-type] } ^
203 lines
8.3 KiB
Diff
203 lines
8.3 KiB
Diff
From 08d69db2f3c0e8506a1d126dd4dcdd0f14071161 Mon Sep 17 00:00:00 2001
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From: Paul Eggert <eggert@cs.ucla.edu>
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Date: Mon, 5 Mar 2018 10:56:29 -0800
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Subject: [PATCH] fflush: adjust to glibc 2.28 libio.h removal
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Problem reported by Daniel P. Berrangé in:
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https://lists.gnu.org/r/bug-gnulib/2018-03/msg00000.html
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* lib/fflush.c (clear_ungetc_buffer_preserving_position)
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(disable_seek_optimization, rpl_fflush):
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* lib/fpending.c (__fpending):
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* lib/fpurge.c (fpurge):
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* lib/freadahead.c (freadahead):
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* lib/freading.c (freading):
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* lib/freadptr.c (freadptr):
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* lib/freadseek.c (freadptrinc):
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* lib/fseeko.c (fseeko):
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* lib/fseterr.c (fseterr):
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* lib/stdio-impl.h (_IO_IN_BACKUP) [_IO_EOF_SEEN]:
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Define if not already defined.
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Upstream-commit: 4af4a4a71827c0bc5e0ec67af23edef4f15cee8e
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Signed-off-by: Kamil Dudka <kdudka@redhat.com>
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---
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lib/fflush.c | 6 +++---
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lib/fpending.c | 2 +-
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lib/fpurge.c | 2 +-
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lib/freadahead.c | 2 +-
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lib/freading.c | 2 +-
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lib/freadptr.c | 2 +-
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lib/freadseek.c | 2 +-
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lib/fseeko.c | 4 ++--
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lib/fseterr.c | 2 +-
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lib/stdio-impl.h | 6 ++++++
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10 files changed, 18 insertions(+), 12 deletions(-)
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diff --git a/lib/fflush.c b/lib/fflush.c
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index 4e65692..c16da5f 100644
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--- a/lib/fflush.c
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+++ b/lib/fflush.c
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@@ -33,7 +33,7 @@
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#undef fflush
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-#if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
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+#if defined _IO_EOF_SEEN || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
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/* Clear the stream's ungetc buffer, preserving the value of ftello (fp). */
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static void
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@@ -72,7 +72,7 @@ clear_ungetc_buffer (FILE *fp)
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#endif
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-#if ! (defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */)
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+#if ! (defined _IO_EOF_SEEN || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */)
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# if (defined __sferror || defined __DragonFly__ || defined __ANDROID__) && defined __SNPT
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/* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin, Minix 3, Android */
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@@ -148,7 +148,7 @@ rpl_fflush (FILE *stream)
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if (stream == NULL || ! freading (stream))
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return fflush (stream);
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-#if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
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+#if defined _IO_EOF_SEEN || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
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clear_ungetc_buffer_preserving_position (stream);
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diff --git a/lib/fpending.c b/lib/fpending.c
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index 5811a4a..9e21a16 100644
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--- a/lib/fpending.c
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+++ b/lib/fpending.c
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@@ -32,7 +32,7 @@ __fpending (FILE *fp)
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/* Most systems provide FILE as a struct and the necessary bitmask in
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<stdio.h>, because they need it for implementing getc() and putc() as
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fast macros. */
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-#if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
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+#if defined _IO_EOF_SEEN || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
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return fp->_IO_write_ptr - fp->_IO_write_base;
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#elif defined __sferror || defined __DragonFly__ || defined __ANDROID__
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/* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin, Minix 3, Android */
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diff --git a/lib/fpurge.c b/lib/fpurge.c
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index 408b8fc..3a16000 100644
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--- a/lib/fpurge.c
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+++ b/lib/fpurge.c
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@@ -62,7 +62,7 @@ fpurge (FILE *fp)
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/* Most systems provide FILE as a struct and the necessary bitmask in
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<stdio.h>, because they need it for implementing getc() and putc() as
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fast macros. */
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-# if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
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+# if defined _IO_EOF_SEEN || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
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fp->_IO_read_end = fp->_IO_read_ptr;
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fp->_IO_write_ptr = fp->_IO_write_base;
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/* Avoid memory leak when there is an active ungetc buffer. */
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diff --git a/lib/freadahead.c b/lib/freadahead.c
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index f335f04..e7cb77b 100644
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--- a/lib/freadahead.c
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+++ b/lib/freadahead.c
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@@ -30,7 +30,7 @@ extern size_t __sreadahead (FILE *);
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size_t
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freadahead (FILE *fp)
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{
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-#if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
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+#if defined _IO_EOF_SEEN || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
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if (fp->_IO_write_ptr > fp->_IO_write_base)
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return 0;
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return (fp->_IO_read_end - fp->_IO_read_ptr)
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diff --git a/lib/freading.c b/lib/freading.c
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index 78140d2..c9d3344 100644
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--- a/lib/freading.c
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+++ b/lib/freading.c
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@@ -31,7 +31,7 @@ freading (FILE *fp)
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/* Most systems provide FILE as a struct and the necessary bitmask in
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<stdio.h>, because they need it for implementing getc() and putc() as
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fast macros. */
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-# if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
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+# if defined _IO_EOF_SEEN || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
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return ((fp->_flags & _IO_NO_WRITES) != 0
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|| ((fp->_flags & (_IO_NO_READS | _IO_CURRENTLY_PUTTING)) == 0
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&& fp->_IO_read_base != NULL));
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diff --git a/lib/freadptr.c b/lib/freadptr.c
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index e4cc0b0..aba8dd5 100644
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--- a/lib/freadptr.c
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+++ b/lib/freadptr.c
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@@ -29,7 +29,7 @@ freadptr (FILE *fp, size_t *sizep)
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size_t size;
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/* Keep this code in sync with freadahead! */
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-#if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
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+#if defined _IO_EOF_SEEN || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
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if (fp->_IO_write_ptr > fp->_IO_write_base)
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return NULL;
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size = fp->_IO_read_end - fp->_IO_read_ptr;
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diff --git a/lib/freadseek.c b/lib/freadseek.c
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index fcecba6..98726f8 100644
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--- a/lib/freadseek.c
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+++ b/lib/freadseek.c
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@@ -36,7 +36,7 @@ freadptrinc (FILE *fp, size_t increment)
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/* Keep this code in sync with freadptr! */
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#if HAVE___FREADPTRINC /* musl libc */
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__freadptrinc (fp, increment);
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-#elif defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
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+#elif defined _IO_EOF_SEEN || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
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fp->_IO_read_ptr += increment;
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#elif defined __sferror || defined __DragonFly__ || defined __ANDROID__
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/* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin, Minix 3, Android */
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diff --git a/lib/fseeko.c b/lib/fseeko.c
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index d0f24d8..0ae2b15 100644
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--- a/lib/fseeko.c
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+++ b/lib/fseeko.c
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@@ -47,7 +47,7 @@ fseeko (FILE *fp, off_t offset, int whence)
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#endif
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/* These tests are based on fpurge.c. */
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-#if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
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+#if defined _IO_EOF_SEEN || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
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if (fp->_IO_read_end == fp->_IO_read_ptr
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&& fp->_IO_write_ptr == fp->_IO_write_base
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&& fp->_IO_save_base == NULL)
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@@ -123,7 +123,7 @@ fseeko (FILE *fp, off_t offset, int whence)
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return -1;
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}
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-#if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
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+#if defined _IO_EOF_SEEN || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
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fp->_flags &= ~_IO_EOF_SEEN;
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fp->_offset = pos;
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#elif defined __sferror || defined __DragonFly__ || defined __ANDROID__
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diff --git a/lib/fseterr.c b/lib/fseterr.c
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index 739e545..d998619 100644
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--- a/lib/fseterr.c
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+++ b/lib/fseterr.c
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@@ -29,7 +29,7 @@ fseterr (FILE *fp)
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/* Most systems provide FILE as a struct and the necessary bitmask in
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<stdio.h>, because they need it for implementing getc() and putc() as
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fast macros. */
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-#if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
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+#if defined _IO_EOF_SEEN || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
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fp->_flags |= _IO_ERR_SEEN;
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#elif defined __sferror || defined __DragonFly__ || defined __ANDROID__
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/* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin, Minix 3, Android */
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diff --git a/lib/stdio-impl.h b/lib/stdio-impl.h
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index 329801a..eeaabab 100644
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--- a/lib/stdio-impl.h
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+++ b/lib/stdio-impl.h
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@@ -18,6 +18,12 @@
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the same implementation of stdio extension API, except that some fields
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have different naming conventions, or their access requires some casts. */
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+/* Glibc 2.28 made _IO_IN_BACKUP private. For now, work around this
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+ problem by defining it ourselves. FIXME: Do not rely on glibc
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+ internals. */
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+#if !defined _IO_IN_BACKUP && defined _IO_EOF_SEEN
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+# define _IO_IN_BACKUP 0x100
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+#endif
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/* BSD stdio derived implementations. */
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--
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2.16.2
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