[PATCH] ash: do not split the result of tilde expansion
Ron Yorston
rmy at tigress.co.uk
Mon Mar 16 14:14:11 UTC 2015
A tilde expansion generates a valid pathname. Splitting it using IFS
either leaves it unchanged or changes it to something unintended.
Example:
IFS=m HOME=/tmp; printf "%s\n" ~
Based on this commit authored by Jilles Tjoelker:
http://git.kernel.org/cgit/utils/dash/dash.git/commit/?id=834629283f6c629a4da05ef60bae9445c954a19a
Signed-off-by: Ron Yorston <rmy at tigress.co.uk>
---
shell/ash.c | 3 ---
1 files changed, 0 insertions(+), 3 deletions(-)
diff --git a/shell/ash.c b/shell/ash.c
index 0f9f73e..b568013 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -5791,7 +5791,6 @@ exptilde(char *startp, char *p, int flags)
struct passwd *pw;
const char *home;
int quotes = flags & (EXP_FULL | EXP_CASE | EXP_REDIR);
- int startloc;
name = p + 1;
@@ -5823,9 +5822,7 @@ exptilde(char *startp, char *p, int flags)
if (!home || !*home)
goto lose;
*p = c;
- startloc = expdest - (char *)stackblock();
strtodest(home, SQSYNTAX, quotes);
- recordregion(startloc, expdest - (char *)stackblock(), 0);
return p;
lose:
*p = c;
--
1.7.1
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