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StdLib: Add terminal type line editing (Interactive IO) for console devices.

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Adds a subset of the terminal I/O capabilities described in the Single Unix Specification, V4.
Supports:
    Erase previous character.  Default is Backspace or ^H
    Erase line.  Default is ^U
TAB characters are supported and, by default, are rendered as 8 spaces.  They will still be read as a single TAB character.
Both Canonical and Non-Canonical modes are supported.
If a terminal device is opened with O_TTY_INIT in the mode, the device will be initialized to "sane" values for interactive use.  It will be in Canonical mode, Enter will be translated to NewLine and on output, a NewLine is translated to CRLF.  Echoing will be on, control characters are output as ^X, and TABs are expanded.
See the new <sys/termios.h> file for more information.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by:  daryl.mcdaniel@intel.com
Reviewed-by:    erik.c.bjorge@intel.com
Reviewed-by:    leroy.p.leahy@intel.com
Reviewed-by:    lee.g.rosenbaum@intel.com
Reviewed-by:    jaben.carsey@intel.com





git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13989 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
darylm503
2012-12-11 21:19:14 +00:00
parent e575c101d8
commit 6c6c850ad6
23 changed files with 3404 additions and 218 deletions
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4
StdLib/LibC/Main/Main.c
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@@ -158,9 +158,9 @@ ShellAppMain (
mfd[i].MyFD = (UINT16)i;
}
i = open("stdin:", O_RDONLY, 0444);
i = open("stdin:", (O_RDONLY | O_TTY_INIT), 0444);
if(i == 0) {
i = open("stdout:", O_WRONLY, 0222);
i = open("stdout:", (O_WRONLY | O_TTY_INIT), 0222);
if(i == 1) {
i = open("stderr:", O_WRONLY, 0222);
}