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Implemented line-oriented buffering for std output

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3606 42af7a65-404d-4744-a932-0658087f49c3
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patacongo
2011-05-14 15:21:04 +00:00
parent 764a1177eb
commit 6e4aa998e8
15 changed files with 214 additions and 24 deletions
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ChangeLog
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@@ -1752,3 +1752,10 @@
information about RGMP.
* lib/stdio/lib_fclose.c: Must flush all buffered data when the file is closed.
Instead, it was discarding the buffered data.
* lib/stdio: All output stream logic was modified to support CONFIG_STDIO_LINEBUFFER.
If standard C buffered I/O is enabled (CONFIG_STDIO_BUFFER_SIZE > 0), then this
option may be added to force automatic, line-oriented flushing the output buffer
for printf() fprintf(), and vfprintf(). When a newline is encountered in the
format string, the output buffer will be flushed. This (slightly) increases
the NuttX footprint but supports the kind of behavior that people expect for
printf.