aboutsummaryrefslogtreecommitdiff
path: root/shell
diff options
context:
space:
mode:
authorGravatar Denys Vlasenko <vda.linux@googlemail.com>2015-05-13 02:20:14 +0200
committerGravatar Denys Vlasenko <vda.linux@googlemail.com>2015-05-13 02:20:14 +0200
commite0a4e107aa9d1e03546c090b07874dff1865705e (patch)
tree4cfbfe6435c966fbda2f13c63af4e1b8c4c4d129 /shell
parent1285aa62f914ba894b82880e57bd81cfbc41f180 (diff)
downloadbusybox-e0a4e107aa9d1e03546c090b07874dff1865705e.tar.gz
busybox-e0a4e107aa9d1e03546c090b07874dff1865705e.tar.bz2
ash: explain what "local -" does
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'shell')
-rw-r--r--shell/ash.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/shell/ash.c b/shell/ash.c
index 3e9997b53..7af8842bb 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -8962,7 +8962,8 @@ parse_command_args(char **argv, const char **path)
* Make a variable a local variable. When a variable is made local, it's
* value and flags are saved in a localvar structure. The saved values
* will be restored when the shell function returns. We handle the name
- * "-" as a special case.
+ * "-" as a special case: it makes changes to "set +-options" local
+ * (options will be restored on return from the function).
*/
static void
mklocal(char *name)