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syslogd,logread: get rid of head pointer, fix logread bug in the process

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function                                             old     new   delta
logread_main                                         450     462     +12
syslogd_main                                        1246    1252      +6
shbuf                                                  -       4      +4
buf                                                   34      30      -4
packed_usage                                       22729   22724      -5
log_locally                                          957     767    -190
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(add/remove: 1/0 grow/shrink: 2/3 up/down: 22/-199)          Total: -177 bytes
   text    data     bss     dec     hex filename
 773886    1116   11316  786318   bff8e busybox_old
 773714    1116   11316  786146   bfee2 busybox_unstripped
This commit is contained in:
Denis Vlasenko
2007-08-12 21:33:06 +00:00
parent 1b9064d535
commit 5f1b149d54
3 changed files with 86 additions and 92 deletions
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10
include/usage.h
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@ -3327,17 +3327,17 @@ USE_FEATURE_RUN_PARTS_FANCY("\n -l Prints names of all matching files even when
"Note that this version of syslogd ignores /etc/syslog.conf." \
"\n\nOptions:" \
"\n -n Run as foreground process" \
"\n -O FILE Use an alternate log file (default=/var/log/messages)" \
"\n -l n Sets the local log level of messages to n" \
"\n -S Make logging output smaller" \
"\n -O FILE Log to given file (default=/var/log/messages)" \
"\n -l n Set local log level" \
"\n -S Smaller logging output" \
USE_FEATURE_ROTATE_LOGFILE( \
"\n -s SIZE Max size (KB) before rotate (default=200KB, 0=off)" \
"\n -b NUM Number of rotated logs to keep (default=1, max=99, 0=purge)") \
USE_FEATURE_REMOTE_LOG( \
"\n -R HOST[:PORT] Log to IP or hostname on PORT (default PORT=514/UDP)" \
"\n -L Log locally and via network logging (default is network only)") \
"\n -L Log locally and via network (default is network only if -R)") \
USE_FEATURE_IPC_SYSLOG( \
"\n -C[size(KiB)] Log to a shared mem buffer (read the buffer using logread)")
"\n -C[size(KiB)] Log to shared mem buffer (read it using logread)")
/* NB: -Csize shouldn't have space (because size is optional) */
/* "\n -m MIN Minutes between MARK lines (default=20, 0=off)" */
#define syslogd_example_usage \