From 883cdb79a440d0425766f67aaef0cabde0a5060e Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Sat, 9 Jan 2021 08:27:37 +0100 Subject: ash: fix ${unset_var/pattern/repl} function old new delta subevalvar 1349 1353 +4 Signed-off-by: Denys Vlasenko --- shell/ash.c | 3 ++- shell/ash_test/ash-vars/var_bash_repl_empty_var.right | 1 + shell/ash_test/ash-vars/var_bash_repl_empty_var.tests | 2 ++ 3 files changed, 5 insertions(+), 1 deletion(-) diff --git a/shell/ash.c b/shell/ash.c index 37f9dd71b..76bf39ec2 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -7015,7 +7015,8 @@ subevalvar(char *start, char *str, int strloc, slash_pos = -1; if (repl) { slash_pos = expdest - ((char *)stackblock() + strloc); - STPUTC('/', expdest); + if (!(flag & EXP_DISCARD)) + STPUTC('/', expdest); //bb_error_msg("repl+1:'%s'", repl + 1); p = argstr(repl + 1, (flag & EXP_DISCARD) | EXP_TILDE); /* EXP_TILDE: echo "${v/x/~}" expands ~ ! */ *repl = '/'; diff --git a/shell/ash_test/ash-vars/var_bash_repl_empty_var.right b/shell/ash_test/ash-vars/var_bash_repl_empty_var.right index 892916783..cf8f088c1 100644 --- a/shell/ash_test/ash-vars/var_bash_repl_empty_var.right +++ b/shell/ash_test/ash-vars/var_bash_repl_empty_var.right @@ -1,2 +1,3 @@ + Ok:0 diff --git a/shell/ash_test/ash-vars/var_bash_repl_empty_var.tests b/shell/ash_test/ash-vars/var_bash_repl_empty_var.tests index 73a43d38e..22aaba560 100755 --- a/shell/ash_test/ash-vars/var_bash_repl_empty_var.tests +++ b/shell/ash_test/ash-vars/var_bash_repl_empty_var.tests @@ -1,3 +1,5 @@ +unset v +echo ${v/*/w} v='' echo ${v/*/w} echo Ok:$? -- cgit v1.2.1