Bug 86388 - MAX_INPUT should be defined correctly
MAX_INPUT should be defined correctly
Product: eCos
Classification: Retired
Component: Serial device driver (Show other bugs)
All Linux
low Severity low
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Assigned To: Jonathan Larmour
Jonathan Larmour
Depends On:
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Reported: 2003-03-20 22:06 EST by Jonathan Larmour
Modified: 2005-10-31 17:00 EST (History)
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Doc Type: Bug Fix
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Last Closed: 2003-06-20 12:21:14 EDT
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Description Jonathan Larmour 2003-03-20 22:06:50 EST
Description of problem:

POSIX's <limits.h> requires MAX_INPUT to be defined correctly and be at least
_POSIX_MAX_INPUT i.e. 255 chars. For the termios drivers, this means the serial
input buffer needs to be at least 255 chars - a CDL option for strict
conformance should exist which sets this.

However for the value of MAX_INPUT, it requires a call to serial_get_config with
CYG_IO_GET_CONFIG_SERIAL_BUFFER_INFO to get the buffer size and thus the value
of MAX_INPUT, so MAX_INPUT will have to be a sysconf()'d value... which means
implementing sysconf()!
Comment 1 Alex Schuilenburg 2003-06-20 12:21:14 EDT
This bug has moved to http://bugs.ecos.sourceware.org/show_bug.cgi?id=86388

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