From e0a4e107aa9d1e03546c090b07874dff1865705e Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Wed, 13 May 2015 02:20:14 +0200 Subject: [PATCH] ash: explain what "local -" does Signed-off-by: Denys Vlasenko --- shell/ash.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) 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)