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| author | Denys Vlasenko <vda.linux@googlemail.com> | 2015-05-13 02:20:14 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2015-05-13 02:20:14 +0200 |
| commit | e0a4e107aa9d1e03546c090b07874dff1865705e (patch) | |
| tree | 4cfbfe6435c966fbda2f13c63af4e1b8c4c4d129 | |
| parent | 1285aa62f914ba894b82880e57bd81cfbc41f180 (diff) | |
| download | busybox-e0a4e107aa9d1e03546c090b07874dff1865705e.tar.gz | |
ash: explain what "local -" does
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -rw-r--r-- | shell/ash.c | 3 |
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) |