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Diffstat (limited to 'shell/hush.c')
-rw-r--r--shell/hush.c68
1 files changed, 15 insertions, 53 deletions
diff --git a/shell/hush.c b/shell/hush.c
index 22d71cb07..9e508fc6d 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -99,8 +99,6 @@
//config: bool "bash-compatible extensions"
//config: default y
//config: depends on HUSH || SH_IS_HUSH || BASH_IS_HUSH
-//config: help
-//config: Enable bash-compatible extensions.
//config:
//config:config HUSH_BRACE_EXPANSION
//config: bool "Brace expansion"
@@ -123,8 +121,6 @@
//config: bool "Save command history to .hush_history"
//config: default y
//config: depends on HUSH_INTERACTIVE && FEATURE_EDITING_SAVEHISTORY
-//config: help
-//config: Enable history saving in hush.
//config:
//config:config HUSH_JOB
//config: bool "Job control"
@@ -138,39 +134,35 @@
//config: but no separate process group is formed.
//config:
//config:config HUSH_TICK
-//config: bool "Process substitution"
+//config: bool "Support process substitution"
//config: default y
//config: depends on HUSH || SH_IS_HUSH || BASH_IS_HUSH
//config: help
-//config: Enable process substitution `command` and $(command) in hush.
+//config: Enable `command` and $(command).
//config:
//config:config HUSH_IF
//config: bool "Support if/then/elif/else/fi"
//config: default y
//config: depends on HUSH || SH_IS_HUSH || BASH_IS_HUSH
-//config: help
-//config: Enable if/then/elif/else/fi in hush.
//config:
//config:config HUSH_LOOPS
//config: bool "Support for, while and until loops"
//config: default y
//config: depends on HUSH || SH_IS_HUSH || BASH_IS_HUSH
-//config: help
-//config: Enable for, while and until loops in hush.
//config:
//config:config HUSH_CASE
//config: bool "Support case ... esac statement"
//config: default y
//config: depends on HUSH || SH_IS_HUSH || BASH_IS_HUSH
//config: help
-//config: Enable case ... esac statement in hush. +400 bytes.
+//config: Enable case ... esac statement. +400 bytes.
//config:
//config:config HUSH_FUNCTIONS
//config: bool "Support funcname() { commands; } syntax"
//config: default y
//config: depends on HUSH || SH_IS_HUSH || BASH_IS_HUSH
//config: help
-//config: Enable support for shell functions in hush. +800 bytes.
+//config: Enable support for shell functions. +800 bytes.
//config:
//config:config HUSH_LOCAL
//config: bool "local builtin"
@@ -199,22 +191,21 @@
//config: bool "echo builtin"
//config: default y
//config: depends on HUSH || SH_IS_HUSH || BASH_IS_HUSH
-//config: help
-//config: Enable echo builtin in hush.
//config:
//config:config HUSH_PRINTF
//config: bool "printf builtin"
//config: default y
//config: depends on HUSH || SH_IS_HUSH || BASH_IS_HUSH
-//config: help
-//config: Enable printf builtin in hush.
+//config:
+//config:config HUSH_HELP
+//config: bool "help builtin"
+//config: default y
+//config: depends on HUSH || SH_IS_HUSH || BASH_IS_HUSH
//config:
//config:config HUSH_EXPORT
//config: bool "export builtin"
//config: default y
//config: depends on HUSH || SH_IS_HUSH || BASH_IS_HUSH
-//config: help
-//config: Enable export builtin in hush.
//config:
//config:config HUSH_EXPORT_N
//config: bool "Support 'export -n' option"
@@ -223,82 +214,55 @@
//config: help
//config: export -n unexports variables. It is a bash extension.
//config:
-//config:config HUSH_HELP
-//config: bool "help builtin"
-//config: default y
-//config: depends on HUSH || SH_IS_HUSH || BASH_IS_HUSH
-//config: help
-//config: Enable help builtin in hush. Code size + ~1 kbyte.
-//config:
//config:config HUSH_KILL
-//config: bool "kill builtin (for kill %jobspec)"
+//config: bool "kill builtin (supports kill %jobspec)"
//config: default y
//config: depends on HUSH || SH_IS_HUSH || BASH_IS_HUSH
-//config: help
-//config: Enable kill builtin in hush.
//config:
//config:config HUSH_WAIT
//config: bool "wait builtin"
//config: default y
//config: depends on HUSH || SH_IS_HUSH || BASH_IS_HUSH
-//config: help
-//config: Enable wait builtin in hush.
//config:
//config:config HUSH_TRAP
//config: bool "trap builtin"
//config: default y
//config: depends on HUSH || SH_IS_HUSH || BASH_IS_HUSH
-//config: help
-//config: Enable trap builtin in hush.
-//config:
-//config:config HUSH_ULIMIT
-//config: bool "ulimit builtin"
-//config: default y
-//config: depends on HUSH || SH_IS_HUSH || BASH_IS_HUSH
-//config: help
-//config: Enable ulimit builtin in hush.
//config:
//config:config HUSH_TYPE
//config: bool "type builtin"
//config: default y
//config: depends on HUSH || SH_IS_HUSH || BASH_IS_HUSH
-//config: help
-//config: Enable type builtin in hush.
//config:
//config:config HUSH_READ
//config: bool "read builtin"
//config: default y
//config: depends on HUSH || SH_IS_HUSH || BASH_IS_HUSH
-//config: help
-//config: Enable read builtin in hush.
//config:
//config:config HUSH_SET
//config: bool "set builtin"
//config: default y
//config: depends on HUSH || SH_IS_HUSH || BASH_IS_HUSH
-//config: help
-//config: Enable set builtin in hush.
//config:
//config:config HUSH_UNSET
//config: bool "unset builtin"
//config: default y
//config: depends on HUSH || SH_IS_HUSH || BASH_IS_HUSH
-//config: help
-//config: Enable unset builtin in hush.
+//config:
+//config:config HUSH_ULIMIT
+//config: bool "ulimit builtin"
+//config: default y
+//config: depends on HUSH || SH_IS_HUSH || BASH_IS_HUSH
//config:
//config:config HUSH_UMASK
//config: bool "umask builtin"
//config: default y
//config: depends on HUSH || SH_IS_HUSH || BASH_IS_HUSH
-//config: help
-//config: Enable umask builtin in hush.
//config:
//config:config HUSH_MEMLEAK
//config: bool "memleak builtin (debugging)"
//config: default n
//config: depends on HUSH || SH_IS_HUSH || BASH_IS_HUSH
-//config: help
-//config: Enable memleak builtin in hush.
//config:
//config:config MSH
//config: bool "msh (deprecated: aliased to hush)"
@@ -1096,8 +1060,6 @@ static const struct built_in_command bltins1[] = {
BLTIN("wait" , builtin_wait , "Wait for process"),
#endif
};
-/* For now, echo and test are unconditionally enabled.
- * Maybe make it configurable? */
static const struct built_in_command bltins2[] = {
BLTIN("[" , builtin_test , NULL),
#if ENABLE_HUSH_ECHO