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author | Lorenz Meier <lm@inf.ethz.ch> | 2013-02-17 09:14:12 -0800 |
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committer | Lorenz Meier <lm@inf.ethz.ch> | 2013-02-17 09:14:12 -0800 |
commit | 520a2b417410bed7db6f08a3a69f3bcccc55910b (patch) | |
tree | 2365774545ed145c307630b63cb5f075fca71c21 /nuttx/libc/stdio/lib_syslogstream.c | |
parent | 2745c3276f5c2377a9713555c5941b17912b6ce7 (diff) | |
parent | caa11f0bbb7f30679c5c01a64e1d0f6d8627db9d (diff) | |
download | px4-firmware-520a2b417410bed7db6f08a3a69f3bcccc55910b.tar.gz px4-firmware-520a2b417410bed7db6f08a3a69f3bcccc55910b.tar.bz2 px4-firmware-520a2b417410bed7db6f08a3a69f3bcccc55910b.zip |
Merge pull request #198 from PX4/nuttx-merge-5596
Nuttx merge 5596
Diffstat (limited to 'nuttx/libc/stdio/lib_syslogstream.c')
-rw-r--r-- | nuttx/libc/stdio/lib_syslogstream.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/nuttx/libc/stdio/lib_syslogstream.c b/nuttx/libc/stdio/lib_syslogstream.c index 5529c5de8..e29c5ca3d 100644 --- a/nuttx/libc/stdio/lib_syslogstream.c +++ b/nuttx/libc/stdio/lib_syslogstream.c @@ -71,22 +71,23 @@ static void syslogstream_putc(FAR struct lib_outstream_s *this, int ch) do { - /* Write the character to the supported logging device */ + /* Write the character to the supported logging device. On failure, + * syslog_putc returns EOF with the errno value set; + */ ret = syslog_putc(ch); - if (ret == OK) + if (ret != EOF) { this->nput++; return; } - /* On failure syslog_putc will return a negated errno value. The - * errno variable will not be set. The special value -EINTR means that - * syslog_putc() was awakened by a signal. This is not a real error and - * must be ignored in this context. + /* The special errno value -EINTR means that syslog_putc() was + * awakened by a signal. This is not a real error and must be + * ignored in this context. */ } - while (ret == -EINTR); + while (errno == -EINTR); } /**************************************************************************** |