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authorRon Yorston <rmy@pobox.com>2017-07-27 13:53:39 +0100
committerDenys Vlasenko <vda.linux@googlemail.com>2017-07-28 15:39:26 +0200
commitbe366e5afac1d9f5b3958bd3899a389308d5d9d3 (patch)
tree60c41a15eed758d0cee5a637c063fe53eff36046 /archival/libarchive/open_transformer.c
parent619d9b5e6848a72350126ea9c1e413fd133181e3 (diff)
downloadbusybox-be366e5afac1d9f5b3958bd3899a389308d5d9d3.tar.gz
ash: support platforms that don't have '%m' printf specifier
The '%m' conversion specifier prints an error message based on the current value of 'errno'. It is available in the GNU C library, Cygwin (since 2012), uClibc and musl. It is not available in various BSDs, BSD-derived systems (MacOS, Android) or Microsoft Windows. Use a symbol defined in platform.h to control how error messages can be formatted to display the 'errno' message. On platforms that support it use '%m'; on other platforms use '%s' and strerror(). On platforms that have '%m' there is essentially no change in the size of the binary. Otherwise: function old new delta redirect 1287 1310 +23 xtcsetpgrp 27 44 +17 dup2_or_raise 34 51 +17 setinputfile 267 275 +8 .rodata 163379 163371 -8 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 4/1 up/down: 65/-8) Total: 57 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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