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StdLib: Fix issue with Canonical output expansion of NL to CR NL and similar expansions.

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SysCalls.c: Add IGNSPEC to the "sane" termios settings so that, by default, function keys and other special keys are ignored.

fvwrite.c: 
  Line 109: Change test to less-than zero since zero is a valid value.
  Line 113: Change test to greater-than zero since we only want to loop when there are characters available.
  Line 114: Force uio_resid to zero since it might have become negative on line 113.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by:  daryl.mcdaniel@intel.com
Reviewed-by:    erik.c.bjorge@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@14013 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
darylm503
2012-12-21 18:19:41 +00:00
parent 05cfd5f286
commit 9f4b48a15d
2 changed files with 4 additions and 3 deletions
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2
StdLib/LibC/Uefi/SysCalls.c
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@@ -708,7 +708,7 @@ open(
if((oflags & O_TTY_INIT) && (filp->f_iflags & _S_ITTY) && (filp->devdata != NULL)) {
// Initialize the device's termios flags to a "sane" value
Termio = &((cIIO *)filp->devdata)->Termio;
Termio->c_iflag = ICRNL;
Termio->c_iflag = ICRNL | IGNSPEC;
Termio->c_oflag = OPOST | ONLCR | OXTABS | ONOEOT | ONOCR | ONLRET | OCTRL;
Termio->c_lflag = ECHO | ECHOE | ECHONL | ICANON;
Termio->c_cc[VERASE] = 0x08; // ^H Backspace