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ash: explain what "local -" does

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2015-05-13 02:20:14 +02:00
parent 1285aa62f9
commit e0a4e107aa
1 changed files with 2 additions and 1 deletions
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shell/ash.c
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@ -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 * 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 * value and flags are saved in a localvar structure. The saved values
* will be restored when the shell function returns. We handle the name * 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 static void
mklocal(char *name) mklocal(char *name)