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authorDenys Vlasenko <vda.linux@googlemail.com>2017-07-29 21:12:29 +0200
committerDenys Vlasenko <vda.linux@googlemail.com>2017-07-29 21:12:29 +0200
commit469998015f57a552718420a4050d90e5dae6a6fd (patch)
tree7abea9787997b088dbbf5857b8bbe9446a383274 /libbb/bb_getgroups.c
parent0f018b30700989462de0a15b8285206d16170c1f (diff)
downloadbusybox-469998015f57a552718420a4050d90e5dae6a6fd.tar.gz
ash: [PARSER] Add FAKEEOFMARK for expandstr
Upstream commit: Date: Thu, 27 Dec 2007 13:54:16 +1100 [PARSER] Add FAKEEOFMARK for expandstr Previously expandstr used the string "" to indicate that it needs to be treated just like a here-doc except that there is no terminator. However, the string "" is in fact a valid here-doc terminator so now that we deal with it correctly expandstr no longer works in the presence of new-lines in the prompt. This patch introduces the FAKEEOFMARK macro which does not equal any real EOF marker but is distinct from the NULL pointer which is used to indicate non-here-doc contexts. Thanks to Markus Triska for reporting this regression. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Unfortunately, I did not find the failing example for this old fix. I also tweaked the code which was added by this commit: " Date: Mon Sep 24 18:30:02 2007 +0000 ash: fix prompt expansion (Natanael Copa <natanael.copa@gmail.com>) " since other parts of code do expect expandstr() to use DQSYNTAX, not PSSYNTAX. function old new delta parse_stream 2609 2634 +25 setprompt_if 128 133 +5 read_profile 32 37 +5 evalcommand 1334 1339 +5 expandstr 122 120 -2 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 4/1 up/down: 40/-2) Total: 38 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'libbb/bb_getgroups.c')
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