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| author | Denys Vlasenko <vda.linux@googlemail.com> | 2021-01-09 08:27:37 +0100 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2021-01-09 08:27:37 +0100 |
| commit | 883cdb79a440d0425766f67aaef0cabde0a5060e (patch) | |
| tree | c90b5ef771bd4ef39c0ddf27c7a5229bbdde1194 | |
| parent | cc4303f5e603f3212ede6965ee37609d2a386398 (diff) | |
| download | busybox-883cdb79a440d0425766f67aaef0cabde0a5060e.tar.gz | |
ash: fix ${unset_var/pattern/repl}
function old new delta
subevalvar 1349 1353 +4
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -rw-r--r-- | shell/ash.c | 3 | ||||
| -rw-r--r-- | shell/ash_test/ash-vars/var_bash_repl_empty_var.right | 1 | ||||
| -rwxr-xr-x | shell/ash_test/ash-vars/var_bash_repl_empty_var.tests | 2 |
3 files changed, 5 insertions, 1 deletions
diff --git a/shell/ash.c b/shell/ash.c index 37f9dd71b..76bf39ec2 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -7015,7 +7015,8 @@ subevalvar(char *start, char *str, int strloc, slash_pos = -1; if (repl) { slash_pos = expdest - ((char *)stackblock() + strloc); - STPUTC('/', expdest); + if (!(flag & EXP_DISCARD)) + STPUTC('/', expdest); //bb_error_msg("repl+1:'%s'", repl + 1); p = argstr(repl + 1, (flag & EXP_DISCARD) | EXP_TILDE); /* EXP_TILDE: echo "${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 ${v/*/w} echo Ok:$? |