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-rw-r--r--libio/Makefile3
-rw-r--r--libio/fileops.c11
-rw-r--r--libio/genops.c2
-rw-r--r--libio/libio.h1
-rw-r--r--libio/tst-setvbuf1.c39
-rw-r--r--libio/wfiledoalloc.c32
-rw-r--r--libio/wgenops.c8
-rw-r--r--libio/wmemstream.c2
-rw-r--r--libio/wstrops.c6
9 files changed, 64 insertions, 40 deletions
diff --git a/libio/Makefile b/libio/Makefile
index 0529744..553fbda 100644
--- a/libio/Makefile
+++ b/libio/Makefile
@@ -57,7 +57,8 @@ tests = tst_swprintf tst_wprintf tst_swscanf tst_wscanf tst_getwc tst_putwc \
bug-ungetc2 bug-ftell bug-ungetc3 bug-ungetc4 tst-fopenloc2 \
tst-memstream1 tst-memstream2 \
tst-wmemstream1 tst-wmemstream2 \
- bug-memstream1 bug-wmemstream1
+ bug-memstream1 bug-wmemstream1 \
+ tst-setvbuf1
test-srcs = test-freopen
all: # Make this the default target; it will be defined in Rules.
diff --git a/libio/fileops.c b/libio/fileops.c
index cf7fd65..dbd7a7a 100644
--- a/libio/fileops.c
+++ b/libio/fileops.c
@@ -174,14 +174,8 @@ _IO_new_file_close_it (fp)
close_status = _IO_SYSCLOSE (fp);
/* Free buffer. */
- if (fp->_mode <= 0)
- {
- INTUSE(_IO_setb) (fp, NULL, NULL, 0);
- _IO_setg (fp, NULL, NULL, NULL);
- _IO_setp (fp, NULL, NULL);
- }
#if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T
- else
+ if (fp->_mode > 0)
{
if (_IO_have_wbackup (fp))
INTUSE(_IO_free_wbackup_area) (fp);
@@ -190,6 +184,9 @@ _IO_new_file_close_it (fp)
_IO_wsetp (fp, NULL, NULL);
}
#endif
+ INTUSE(_IO_setb) (fp, NULL, NULL, 0);
+ _IO_setg (fp, NULL, NULL, NULL);
+ _IO_setp (fp, NULL, NULL);
INTUSE(_IO_un_link) ((struct _IO_FILE_plus *) fp);
fp->_flags = _IO_MAGIC|CLOSED_FILEBUF_FLAGS;
diff --git a/libio/genops.c b/libio/genops.c
index 5f22352..8d62da7 100644
--- a/libio/genops.c
+++ b/libio/genops.c
@@ -367,7 +367,7 @@ __uflow (fp)
#endif
if (fp->_mode == 0)
- _IO_fwide (fp, -11);
+ _IO_fwide (fp, -1);
if (_IO_in_put_mode (fp))
if (INTUSE(_IO_switch_to_get_mode) (fp) == EOF)
return EOF;
diff --git a/libio/libio.h b/libio/libio.h
index 6f9c418..428e035 100644
--- a/libio/libio.h
+++ b/libio/libio.h
@@ -142,6 +142,7 @@
#ifdef _LIBC
# define _IO_FLAGS2_FORTIFY 4
#endif
+#define _IO_FLAGS2_USER_WBUF 8
/* These are "formatting flags" matching the iostream fmtflags enum values. */
#define _IO_SKIPWS 01
diff --git a/libio/tst-setvbuf1.c b/libio/tst-setvbuf1.c
new file mode 100644
index 0000000..9222d40
--- /dev/null
+++ b/libio/tst-setvbuf1.c
@@ -0,0 +1,39 @@
+/* Dereived from the test case in BZ #2337. */
+#include <errno.h>
+#include <error.h>
+#include <fcntl.h>
+#include <locale.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <wchar.h>
+
+
+static char buf[512] __attribute__ ((aligned (4096)));
+
+
+static int
+do_test (void)
+{
+ setlocale (LC_ALL, "de_DE.UTF-8");
+
+ FILE *fp = fdopen (dup (STDOUT_FILENO), "a");
+ if (fp == NULL)
+ error (EXIT_FAILURE, errno, "fdopen(,\"a\")");
+
+ setvbuf (fp, buf, _IOFBF, sizeof (buf));
+
+ /* fwprintf to unbuffered stream. */
+ fwprintf (fp, L"hello.\n");
+
+ fclose (fp);
+
+ /* touch my buffer */
+ buf[45] = 'a';
+
+ return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"
diff --git a/libio/wfiledoalloc.c b/libio/wfiledoalloc.c
index 2f8140b..67a0517 100644
--- a/libio/wfiledoalloc.c
+++ b/libio/wfiledoalloc.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 1993, 1997, 1999, 2000, 2002 Free Software Foundation, Inc.
+/* Copyright (C) 1993, 1997, 1999, 2000, 2002, 2006
+ 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
@@ -85,35 +86,20 @@ _IO_wfile_doallocate (fp)
_IO_FILE *fp;
{
_IO_size_t size;
- int couldbetty;
wchar_t *p;
- struct _G_stat64 st;
/* Allocate room for the external buffer. */
if (fp->_IO_buf_base == NULL)
INTUSE(_IO_file_doallocate) (fp);
- if (fp->_fileno < 0 || _IO_SYSSTAT (fp, &st) < 0)
- {
- couldbetty = 0;
- size = _IO_BUFSIZ;
-#if 0
- /* do not try to optimise fseek() */
- fp->_flags |= __SNPT;
-#endif
- }
- else
- {
- couldbetty = S_ISCHR (st.st_mode);
-#if _IO_HAVE_ST_BLKSIZE
- size = st.st_blksize <= 0 ? _IO_BUFSIZ : st.st_blksize;
-#else
- size = _IO_BUFSIZ;
-#endif
- }
+ /* If narrow buffer is user allocated (set by setvbuf etc.),
+ use that size as the size of the wide buffer, when it is
+ allocated by _IO_file_doallocate, multiply that by size
+ of the wide character. */
+ size = fp->_IO_buf_end - fp->_IO_buf_base;
+ if ((fp->_flags & _IO_USER_BUF))
+ size = (size + sizeof (wchar_t) - 1) / sizeof (wchar_t);
ALLOC_WBUF (p, size * sizeof (wchar_t), EOF);
INTUSE(_IO_wsetb) (fp, p, p + size, 1);
- if (couldbetty && isatty (fp->_fileno))
- fp->_flags |= _IO_LINE_BUF;
return 1;
}
diff --git a/libio/wgenops.c b/libio/wgenops.c
index 355fd26..760a413 100644
--- a/libio/wgenops.c
+++ b/libio/wgenops.c
@@ -115,14 +115,14 @@ _IO_wsetb (f, b, eb, a)
wchar_t *eb;
int a;
{
- if (f->_wide_data->_IO_buf_base && !(f->_flags & _IO_USER_BUF))
+ if (f->_wide_data->_IO_buf_base && !(f->_flags2 & _IO_FLAGS2_USER_WBUF))
FREE_BUF (f->_wide_data->_IO_buf_base, _IO_wblen (f) * sizeof (wchar_t));
f->_wide_data->_IO_buf_base = b;
f->_wide_data->_IO_buf_end = eb;
if (a)
- f->_flags &= ~_IO_USER_BUF;
+ f->_flags2 &= ~_IO_FLAGS2_USER_WBUF;
else
- f->_flags |= _IO_USER_BUF;
+ f->_flags2 |= _IO_FLAGS2_USER_WBUF;
}
INTDEF(_IO_wsetb)
@@ -198,7 +198,7 @@ _IO_wdefault_finish (fp, dummy)
int dummy;
{
struct _IO_marker *mark;
- if (fp->_wide_data->_IO_buf_base && !(fp->_flags & _IO_USER_BUF))
+ if (fp->_wide_data->_IO_buf_base && !(fp->_flags2 & _IO_FLAGS2_USER_WBUF))
{
FREE_BUF (fp->_wide_data->_IO_buf_base,
_IO_wblen (fp) * sizeof (wchar_t));
diff --git a/libio/wmemstream.c b/libio/wmemstream.c
index 5779318..7bf6a42 100644
--- a/libio/wmemstream.c
+++ b/libio/wmemstream.c
@@ -92,7 +92,7 @@ open_wmemstream (bufloc, sizeloc)
_IO_fwide (&new_f->fp._sf._sbf._f, 1);
_IO_wstr_init_static (&new_f->fp._sf._sbf._f, buf,
_IO_BUFSIZ / sizeof (wchar_t), buf);
- new_f->fp._sf._sbf._f._flags &= ~_IO_USER_BUF;
+ new_f->fp._sf._sbf._f._flags2 &= ~_IO_FLAGS2_USER_WBUF;
new_f->fp._sf._s._allocate_buffer = (_IO_alloc_type) malloc;
new_f->fp._sf._s._free_buffer = (_IO_free_type) free;
diff --git a/libio/wstrops.c b/libio/wstrops.c
index 8b862fb..c5aae7b 100644
--- a/libio/wstrops.c
+++ b/libio/wstrops.c
@@ -88,7 +88,7 @@ _IO_wstr_overflow (fp, c)
pos = fp->_wide_data->_IO_write_ptr - fp->_wide_data->_IO_write_base;
if (pos >= (_IO_size_t) (_IO_wblen (fp) + flush_only))
{
- if (fp->_flags & _IO_USER_BUF) /* not allowed to enlarge */
+ if (fp->_flags2 & _IO_FLAGS2_USER_WBUF) /* not allowed to enlarge */
return WEOF;
else
{
@@ -182,7 +182,7 @@ enlarge_userbuf (_IO_FILE *fp, _IO_off64_t offset, int reading)
_IO_ssize_t oldend = wd->_IO_write_end - wd->_IO_write_base;
/* Try to enlarge the buffer. */
- if (fp->_flags & _IO_USER_BUF)
+ if (fp->_flags2 & _IO_FLAGS2_USER_WBUF)
/* User-provided buffer. */
return 1;
@@ -335,7 +335,7 @@ _IO_wstr_finish (fp, dummy)
_IO_FILE *fp;
int dummy;
{
- if (fp->_wide_data->_IO_buf_base && !(fp->_flags & _IO_USER_BUF))
+ if (fp->_wide_data->_IO_buf_base && !(fp->_flags2 & _IO_FLAGS2_USER_WBUF))
(((_IO_strfile *) fp)->_s._free_buffer) (fp->_wide_data->_IO_buf_base);
fp->_wide_data->_IO_buf_base = NULL;
generated by cgit v1.1 at 2024-12-23 12:03:54 +0000