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-rw-r--r--libio/memstream.c5
-rw-r--r--libio/tst-memstream1.c89
-rw-r--r--libio/tst-memstream2.c104
-rw-r--r--libio/tst-wmemstream1.c5
-rw-r--r--libio/tst-wmemstream2.c5
-rw-r--r--libio/wmemstream.c149
6 files changed, 352 insertions, 5 deletions
diff --git a/libio/memstream.c b/libio/memstream.c
index d8e8896..742da74 100644
--- a/libio/memstream.c
+++ b/libio/memstream.c
@@ -106,11 +106,6 @@ _IO_mem_sync (fp)
_IO_FILE* fp;
{
struct _IO_FILE_memstream *mp = (struct _IO_FILE_memstream *) fp;
- int res;
-
- res = _IO_default_sync (fp);
- if (res < 0)
- return res;
if (fp->_IO_write_ptr == fp->_IO_write_end)
{
diff --git a/libio/tst-memstream1.c b/libio/tst-memstream1.c
new file mode 100644
index 0000000..d18f5cc
--- /dev/null
+++ b/libio/tst-memstream1.c
@@ -0,0 +1,89 @@
+#include <mcheck.h>
+#include <stdio.h>
+
+
+#ifndef CHAR_T
+# define CHAR_T char
+# define W(o) o
+# define OPEN_MEMSTREAM open_memstream
+#endif
+
+#define S(s) S1 (s)
+#define S1(s) #s
+
+
+static void
+mcheck_abort (enum mcheck_status ev)
+{
+ printf ("mecheck failed with status %d\n", (int) ev);
+ exit (1);
+}
+
+
+static int
+do_test (void)
+{
+ mcheck_pedantic (mcheck_abort);
+
+ CHAR_T *buf = (CHAR_T *) 1l;
+ size_t len = 12345;
+ FILE *fp = OPEN_MEMSTREAM (&buf, &len);
+ if (fp == NULL)
+ {
+ printf ("%s failed\n", S(OPEN_MEMSTREAM));
+ return 1;
+ }
+
+ if (fflush (fp) != 0)
+ {
+ puts ("fflush failed");
+ return 1;
+ }
+
+ if (len != 0)
+ {
+ puts ("string after no write not empty");
+ return 1;
+ }
+ if (buf == (CHAR_T *) 1l)
+ {
+ puts ("buf not updated");
+ return 1;
+ }
+ if (buf[0] != W('\0'))
+ {
+ puts ("buf[0] != 0");
+ return 1;
+ }
+
+ buf = (CHAR_T *) 1l;
+ len = 12345;
+ if (fclose (fp) != 0)
+ {
+ puts ("fclose failed");
+ return 1;
+ }
+
+ if (len != 0)
+ {
+ puts ("string after close with no write not empty");
+ return 1;
+ }
+ if (buf == (CHAR_T *) 1l)
+ {
+ puts ("buf not updated");
+ return 1;
+ }
+ if (buf[0] != W('\0'))
+ {
+ puts ("buf[0] != 0");
+ return 1;
+ }
+
+ free (buf);
+
+ return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"
diff --git a/libio/tst-memstream2.c b/libio/tst-memstream2.c
new file mode 100644
index 0000000..9619d77
--- /dev/null
+++ b/libio/tst-memstream2.c
@@ -0,0 +1,104 @@
+#include <mcheck.h>
+#include <stdio.h>
+
+
+#ifndef CHAR_T
+# define CHAR_T char
+# define W(o) o
+# define OPEN_MEMSTREAM open_memstream
+#endif
+
+#define S(s) S1 (s)
+#define S1(s) #s
+
+
+static void
+mcheck_abort (enum mcheck_status ev)
+{
+ printf ("mecheck failed with status %d\n", (int) ev);
+ exit (1);
+}
+
+
+static int
+do_test (void)
+{
+ mcheck_pedantic (mcheck_abort);
+
+ CHAR_T *buf = (CHAR_T *) 1l;
+ size_t len = 12345;
+ FILE *fp = OPEN_MEMSTREAM (&buf, &len);
+ if (fp == NULL)
+ {
+ printf ("%s failed\n", S(OPEN_MEMSTREAM));
+ return 1;
+ }
+
+ for (int outer = 0; outer < 800; ++outer)
+ {
+ for (int inner = 0; inner < 100; ++inner)
+ if (fputc (W('a') + (outer * 100 + inner) % 26, fp) == EOF)
+ {
+ printf ("fputc at %d:%d failed\n", outer, inner);
+ return 1;
+ }
+
+ if (fflush (fp) != 0)
+ {
+ puts ("fflush failed");
+ return 1;
+ }
+
+ if (len != (outer + 1) * 100)
+ {
+ printf ("string in round %d not %d bytest long\n",
+ outer + 1, (outer + 1) * 100);
+ return 1;
+ }
+ if (buf == (CHAR_T *) 1l)
+ {
+ printf ("round %d: buf not updated\n", outer + 1);
+ return 1;
+ }
+ for (int inner = 0; inner < (outer + 1) * 100; ++inner)
+ if (buf[inner] != W('a') + inner % 26)
+ {
+ printf ("round %d: buf[%d] != '%c'\n", outer + 1, inner,
+ (char) (W('a') + inner % 26));
+ return 1;
+ }
+ }
+
+ buf = (CHAR_T *) 1l;
+ len = 12345;
+ if (fclose (fp) != 0)
+ {
+ puts ("fclose failed");
+ return 1;
+ }
+
+ if (len != 800 * 100)
+ {
+ puts ("string after close not 80000 bytes long");
+ return 1;
+ }
+ if (buf == (CHAR_T *) 1l)
+ {
+ puts ("buf not updated");
+ return 1;
+ }
+ for (int inner = 0; inner < 800 * 100; ++inner)
+ if (buf[inner] != W('a') + inner % 26)
+ {
+ printf ("after close: buf[%d] != %c\n", inner,
+ (char) (W('a') + inner % 26));
+ return 1;
+ }
+
+ free (buf);
+
+ return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"
diff --git a/libio/tst-wmemstream1.c b/libio/tst-wmemstream1.c
new file mode 100644
index 0000000..0c59c1a
--- /dev/null
+++ b/libio/tst-wmemstream1.c
@@ -0,0 +1,5 @@
+#define CHAR_T wchar_t
+#define W(o) L##o
+#define OPEN_MEMSTREAM open_wmemstream
+
+#include "tst-memstream1.c"
diff --git a/libio/tst-wmemstream2.c b/libio/tst-wmemstream2.c
new file mode 100644
index 0000000..f51a1db
--- /dev/null
+++ b/libio/tst-wmemstream2.c
@@ -0,0 +1,5 @@
+#define CHAR_T wchar_t
+#define W(o) L##o
+#define OPEN_MEMSTREAM open_wmemstream
+
+#include "tst-memstream2.c"
diff --git a/libio/wmemstream.c b/libio/wmemstream.c
new file mode 100644
index 0000000..1709f2d
--- /dev/null
+++ b/libio/wmemstream.c
@@ -0,0 +1,149 @@
+/* Copyright (C) 1995-97,99,2000,2002-2004,2006 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
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include "libioP.h"
+#include "strfile.h"
+#include <stdio.h>
+#include <stdlib.h>
+
+
+struct _IO_FILE_wmemstream
+{
+ _IO_strfile _sf;
+ wchar_t **bufloc;
+ _IO_size_t *sizeloc;
+};
+
+
+static int _IO_wmem_sync (_IO_FILE* fp) __THROW;
+static void _IO_wmem_finish (_IO_FILE* fp, int) __THROW;
+
+
+static const struct _IO_jump_t _IO_wmem_jumps =
+{
+ JUMP_INIT_DUMMY,
+ JUMP_INIT (finish, _IO_wmem_finish),
+ JUMP_INIT (overflow, (_IO_overflow_t) _IO_wstr_overflow),
+ JUMP_INIT (underflow, (_IO_underflow_t) _IO_wstr_underflow),
+ JUMP_INIT (uflow, (_IO_underflow_t) INTUSE(_IO_wdefault_uflow)),
+ JUMP_INIT (pbackfail, (_IO_pbackfail_t) _IO_wstr_pbackfail),
+ JUMP_INIT (xsputn, INTUSE(_IO_wdefault_xsputn)),
+ JUMP_INIT (xsgetn, INTUSE(_IO_wdefault_xsgetn)),
+ JUMP_INIT (seekoff, _IO_wstr_seekoff),
+ JUMP_INIT (seekpos, _IO_default_seekpos),
+ JUMP_INIT (setbuf, _IO_default_setbuf),
+ JUMP_INIT (sync, _IO_wmem_sync),
+ JUMP_INIT (doallocate, INTUSE(_IO_wdefault_doallocate)),
+ JUMP_INIT (read, _IO_default_read),
+ JUMP_INIT (write, _IO_default_write),
+ JUMP_INIT (seek, _IO_default_seek),
+ JUMP_INIT (close, _IO_default_close),
+ JUMP_INIT (stat, _IO_default_stat),
+ JUMP_INIT (showmanyc, _IO_default_showmanyc),
+ JUMP_INIT (imbue, _IO_default_imbue)
+};
+
+/* Open a stream that writes into a malloc'd buffer that is expanded as
+ necessary. *BUFLOC and *SIZELOC are updated with the buffer's location
+ and the number of characters written on fflush or fclose. */
+_IO_FILE *
+open_wmemstream (bufloc, sizeloc)
+ wchar_t **bufloc;
+ _IO_size_t *sizeloc;
+{
+ struct locked_FILE
+ {
+ struct _IO_FILE_wmemstream fp;
+#ifdef _IO_MTSAFE_IO
+ _IO_lock_t lock;
+#endif
+ struct _IO_wide_data wd;
+ } *new_f;
+ wchar_t *buf;
+
+ new_f = (struct locked_FILE *) malloc (sizeof (struct locked_FILE));
+ if (new_f == NULL)
+ return NULL;
+#ifdef _IO_MTSAFE_IO
+ new_f->fp._sf._sbf._f._lock = &new_f->lock;
+#endif
+
+ buf = malloc (_IO_BUFSIZ);
+ if (buf == NULL)
+ return NULL;
+
+ _IO_no_init (&new_f->fp._sf._sbf._f, 0, 0, &new_f->wd, &_IO_wmem_jumps);
+ _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._s._allocate_buffer = (_IO_alloc_type) malloc;
+ new_f->fp._sf._s._free_buffer = (_IO_free_type) free;
+
+ new_f->fp.bufloc = bufloc;
+ new_f->fp.sizeloc = sizeloc;
+
+ return (_IO_FILE *) &new_f->fp._sf._sbf;
+}
+
+
+static int
+_IO_wmem_sync (fp)
+ _IO_FILE* fp;
+{
+ struct _IO_FILE_wmemstream *mp = (struct _IO_FILE_wmemstream *) fp;
+
+ if (fp->_wide_data->_IO_write_ptr == fp->_wide_data->_IO_write_end)
+ {
+ _IO_wstr_overflow (fp, '\0');
+ --fp->_wide_data->_IO_write_ptr;
+ }
+ else
+ *fp->_wide_data->_IO_write_ptr = '\0';
+
+ *mp->bufloc = fp->_wide_data->_IO_write_base;
+ *mp->sizeloc = (fp->_wide_data->_IO_write_ptr
+ - fp->_wide_data->_IO_write_base);
+
+ return 0;
+}
+
+
+static void
+_IO_wmem_finish (fp, dummy)
+ _IO_FILE* fp;
+ int dummy;
+{
+ struct _IO_FILE_wmemstream *mp = (struct _IO_FILE_wmemstream *) fp;
+
+ *mp->bufloc = (wchar_t *) realloc (fp->_wide_data->_IO_write_base,
+ (fp->_wide_data->_IO_write_ptr
+ - fp->_wide_data->_IO_write_base + 1)
+ * sizeof (wchar_t));
+ if (*mp->bufloc != NULL)
+ {
+ size_t len = (fp->_wide_data->_IO_write_ptr
+ - fp->_wide_data->_IO_write_base);
+ (*mp->bufloc)[len] = '\0';
+ *mp->sizeloc = len;
+
+ fp->_wide_data->_IO_buf_base = NULL;
+ }
+
+ _IO_wstr_finish (fp, 0);
+}
generated by cgit v1.1 at 2024-12-23 04:04:08 +0000