From eb6b48ba743d510ad9e6f9c3a8b3899d1eb9b5f3 Mon Sep 17 00:00:00 2001 From: Ron Yorston Date: Mon, 18 May 2015 09:51:35 +0200 Subject: [PATCH] ash: perform tilde expansion in all parameter expansion words Previously tilde expansion was not carried out for =?#% expansion words. Test case: a=~root:~root echo ${a#~root} Old result: /root:/root New result: :/root Based on commit dd721f71 from git://git.kernel.org/pub/scm/utils/dash/dash.git by Herbert Xu function old new delta subevalvar 1152 1153 +1 Signed-off-by: Ron Yorston Signed-off-by: Denys Vlasenko --- shell/ash.c | 4 ++-- .../ash-vars/var-expand-tilde-in-parameter-expansion.right | 1 + .../ash-vars/var-expand-tilde-in-parameter-expansion.tests | 2 ++ 3 files changed, 5 insertions(+), 2 deletions(-) create mode 100644 shell/ash_test/ash-vars/var-expand-tilde-in-parameter-expansion.right create mode 100755 shell/ash_test/ash-vars/var-expand-tilde-in-parameter-expansion.tests diff --git a/shell/ash.c b/shell/ash.c index a81922add..4c43f1f30 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -6361,8 +6361,8 @@ subevalvar(char *p, char *varname, int strloc, int subtype, // p, varname, strloc, subtype, startloc, varflags, quotes); herefd = -1; - argstr(p, (subtype != VSASSIGN && subtype != VSQUESTION) ? EXP_CASE : 0, - var_str_list); + argstr(p, EXP_TILDE | (subtype != VSASSIGN && subtype != VSQUESTION ? + EXP_CASE : 0), var_str_list); STPUTC('\0', expdest); herefd = saveherefd; argbackq = saveargbackq; diff --git a/shell/ash_test/ash-vars/var-expand-tilde-in-parameter-expansion.right b/shell/ash_test/ash-vars/var-expand-tilde-in-parameter-expansion.right new file mode 100644 index 000000000..2357750c5 --- /dev/null +++ b/shell/ash_test/ash-vars/var-expand-tilde-in-parameter-expansion.right @@ -0,0 +1 @@ +:/root diff --git a/shell/ash_test/ash-vars/var-expand-tilde-in-parameter-expansion.tests b/shell/ash_test/ash-vars/var-expand-tilde-in-parameter-expansion.tests new file mode 100755 index 000000000..6605315d0 --- /dev/null +++ b/shell/ash_test/ash-vars/var-expand-tilde-in-parameter-expansion.tests @@ -0,0 +1,2 @@ +a=~root:~root +echo ${a#~root} -- 2.25.1