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logging: tidy log_sys_error when string empty

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Alasdair G Kergon 2013-08-12 18:40:41 +01:00
parent cba228f856
commit 28760275e6
2 changed files with 3 additions and 2 deletions
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1
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.02.100 -
================================
Suppress arg: prefix in log_sys_error macro when arg is empty string.
Fix bug making lvchange unable to change recovery rate for RAID.
Prohibit conversion of thin pool to external origin.
Workaround gcc v4.8 -O2 bug causing failures if config/checks=1 (32bit arch).

4
lib/log/log.h
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@ -99,9 +99,9 @@
/* System call equivalents */
#define log_sys_error(x, y) \
log_err("%s: %s failed: %s", y, x, strerror(errno))
log_err("%s%s%s failed: %s", y, *y ? ": " : "", x, strerror(errno))
#define log_sys_error_suppress(s, x, y) \
log_err_suppress(s, "%s: %s failed: %s", y, x, strerror(errno))
log_err_suppress(s, "%s%s%s failed: %s", y, *y ? ": " : "", x, strerror(errno))
#define log_sys_very_verbose(x, y) \
log_info("%s: %s failed: %s", y, x, strerror(errno))
#define log_sys_debug(x, y) \