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authorRon Yorston <rmy@pobox.com>2020-01-23 11:26:08 +0000
committerDenys Vlasenko <vda.linux@googlemail.com>2020-01-29 13:59:45 +0100
commitb0c711e64f868fcab0711d8d0f86aaaa4ed93158 (patch)
tree42a92619ef723cce5153eb0160df8f36cf9dc5c4 /shell/README
parenteb7f9acda147543079f261753a11d2afa340fc5e (diff)
downloadbusybox-b0c711e64f868fcab0711d8d0f86aaaa4ed93158.tar.gz
ash: improve expandstr()
The dash maintainer recently posted a fix for issues with expanding PS1. These had already been fixed differently in BusyBox ash. Borrow a couple of improvements: - Use a single call to setjmp() to trap errors in both readtoken1() and expandarg(). - In case of error set the prompt to the literal value of PS1 rather than the half-digested nonsense in stackblock() which might include ugly control characters. function old new delta expandstr 353 300 -53 Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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