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* fhandler.h (fhandler_console::MAX_WRITE_CHARS): Declare.

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(fhandler_console::write_replacement_char): Declare as inline.
(fhandler_console::write_console): Declare new function.
* fhandler_console.cc (fhandler_console::MAX_WRITE_CHARS): Define.
(handler_console::write_console): Define.
(fhandler_console::write_replacement_char): Define as inline.
(fhandler_console::write_normal): Use write_console when writing buffers of
unknown length.
This commit is contained in:
Christopher Faylor
2009-05-04 03:51:16 +00:00
parent 1f5ea7a0db
commit b65ec404a7
3 changed files with 46 additions and 15 deletions
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46
winsup/cygwin/fhandler_console.cc
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@@ -52,6 +52,8 @@ details. */
const char * get_nonascii_key (INPUT_RECORD&, char *);
const unsigned fhandler_console::MAX_WRITE_CHARS = 16384;
static console_state NO_COPY *shared_console_info;
dev_console NO_COPY *fhandler_console::dev_state;
@@ -1026,6 +1028,24 @@ fhandler_console::cursor_get (int *x, int *y)
*x = dev_state->info.dwCursorPosition.X;
}
inline
bool fhandler_console::write_console (PWCHAR buf, DWORD len, DWORD& done)
{
while (len > 0)
{
DWORD nbytes = len > MAX_WRITE_CHARS ? MAX_WRITE_CHARS : len;
if (!WriteConsoleW (get_output_handle (), buf, nbytes, &done, 0))
{
debug_printf ("write failed, handle %p", get_output_handle ());
__seterrno ();
return false;
}
len -= done;
buf += done;
}
return true;
}
#define BAK 1
#define ESC 2
#define NOR 0
@@ -1421,7 +1441,7 @@ beep ()
/* This gets called when we found an invalid input character. We just
print a half filled square (UTF 0x2592). We have no chance to figure
out the "meaning" of the input char anyway. */
void
inline void
fhandler_console::write_replacement_char ()
{
static const wchar_t replacement_char = 0x2592; /* Half filled square */
@@ -1489,7 +1509,12 @@ fhandler_console::write_normal (const unsigned char *src,
buf_len = dev_state->str_to_con (f_mbtowc, charset, write_buf,
(const char *) trunc_buf.buf,
nfound - trunc_buf.buf);
WriteConsoleW (get_output_handle (), write_buf, buf_len, &done, 0);
if (!write_console (write_buf, buf_len, done))
{
debug_printf ("multibyte sequence write failed, handle %p", get_output_handle ());
__seterrno ();
return 0;
}
found = src + (nfound - trunc_buf.buf - trunc_buf.len);
trunc_buf.len = 0;
return found;
@@ -1543,19 +1568,12 @@ fhandler_console::write_normal (const unsigned char *src,
scroll_screen (x, y, -1, y, x + buf_len, y);
}
register PWCHAR buf = write_buf;
do
if (!write_console (write_buf, buf_len, done))
{
if (!WriteConsoleW (get_output_handle (), buf, buf_len, &done, 0))
{
debug_printf ("write failed, handle %p", get_output_handle ());
__seterrno ();
return 0;
}
buf_len -= done;
buf += done;
debug_printf ("write failed, handle %p", get_output_handle ());
__seterrno ();
return 0;
}
while (buf_len > 0);
if (len >= CONVERT_LIMIT)
return found;
}
@@ -1776,7 +1794,7 @@ fhandler_console::write (const void *vsrc, size_t len)
}
}
syscall_printf ("%d = write_console (,..%d)", len, len);
syscall_printf ("%d = fhandler_console::write (,..%d)", len, len);
return len;
}