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- fwrite() now flushes the entire "buffer" for unbuffered files. The

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exception are "interactive" files such as console windows. For these
  line buffered output is used.

- Whether or not a file is bound to an interactive device, such as a
  console window, is now checked and remembered after a file descriptor
  has been associated with it.


git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@14788 87f5fb63-7c3d-0410-a384-fd976d0f7a62
This commit is contained in:
Olaf Barthel
2004-12-27 09:15:55 +00:00
parent e77cc97daf
commit 49df44872d
9 changed files with 79 additions and 74 deletions
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31
library/stdio_init_exit.c
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@ -1,5 +1,5 @@
/*
* $Id: stdio_init_exit.c,v 1.4 2004-12-26 13:14:47 obarthel Exp $
* $Id: stdio_init_exit.c,v 1.5 2004-12-27 09:15:55 obarthel Exp $
*
* :ts=4
*
@ -180,6 +180,19 @@ __stdio_init(void)
if(buffer == NULL)
goto out;
/* Check if this stream is attached to a console window. */
if(default_file != ZERO)
{
struct FileHandle * fh = BADDR(default_file);
PROFILE_OFF();
if(fh->fh_Type != NULL && IsInteractive(default_file))
SET_FLAG(fd_flags,FDF_IS_INTERACTIVE);
PROFILE_ON();
}
/* Align the buffer start address to a cache line boundary. */
aligned_buffer = (char *)((ULONG)(buffer + (CACHE_LINE_SIZE-1)) & ~(CACHE_LINE_SIZE-1));
@ -241,11 +254,19 @@ __stdio_init(void)
PROFILE_OFF();
/* Check if the standard error output refers to a console or must
/* Figure out if the standard error stream is bound to a console. */
if(__fd[STDERR_FILENO]->fd_DefaultFile != ZERO)
{
struct FileHandle * fh = BADDR(IsInteractive(__fd[STDERR_FILENO]->fd_DefaultFile));
if(fh->fh_Type != NULL && IsInteractive(__fd[STDERR_FILENO]->fd_DefaultFile))
SET_FLAG(__fd[STDERR_FILENO]->fd_Flags,FDF_IS_INTERACTIVE);
}
/* Check if the standard/error output refers to a console or must
be considered unusable for console output. */
if(__fd[STDERR_FILENO]->fd_DefaultFile == ZERO ||
((struct FileHandle *)BADDR(__fd[STDERR_FILENO]->fd_DefaultFile))->fh_Type == NULL ||
NOT IsInteractive(__fd[STDERR_FILENO]->fd_DefaultFile))
if(FLAG_IS_CLEAR(__fd[STDOUT_FILENO]->fd_Flags,FDF_IS_INTERACTIVE) ||
FLAG_IS_CLEAR(__fd[STDERR_FILENO]->fd_Flags,FDF_IS_INTERACTIVE))
{
/* The standard I/O streams are no longer attached to a console. */
__no_standard_io = TRUE;