diff options
Diffstat (limited to 'shell/hush.c')
| -rw-r--r-- | shell/hush.c | 59 |
1 files changed, 24 insertions, 35 deletions
diff --git a/shell/hush.c b/shell/hush.c index c582125..fecc892 100644 --- a/shell/hush.c +++ b/shell/hush.c @@ -99,7 +99,7 @@ //config:config HUSH_BASH_COMPAT //config: bool "bash-compatible extensions" //config: default y -//config: depends on HUSH +//config: depends on HUSH || SH_IS_HUSH || BASH_IS_HUSH //config: help //config: Enable bash-compatible extensions. //config: @@ -113,14 +113,14 @@ //config:config HUSH_HELP //config: bool "help builtin" //config: default y -//config: depends on HUSH +//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_INTERACTIVE //config: bool "Interactive mode" //config: default y -//config: depends on HUSH +//config: depends on HUSH || SH_IS_HUSH || BASH_IS_HUSH //config: help //config: Enable interactive mode (prompt and command editing). //config: Without this, hush simply reads and executes commands @@ -148,35 +148,35 @@ //config:config HUSH_TICK //config: bool "Process substitution" //config: default y -//config: depends on HUSH +//config: depends on HUSH || SH_IS_HUSH || BASH_IS_HUSH //config: help //config: Enable process substitution `command` and $(command) in hush. //config: //config:config HUSH_IF //config: bool "Support if/then/elif/else/fi" //config: default y -//config: depends on HUSH +//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 +//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 +//config: depends on HUSH || SH_IS_HUSH || BASH_IS_HUSH //config: help //config: Enable case ... esac statement in hush. +400 bytes. //config: //config:config HUSH_FUNCTIONS //config: bool "Support funcname() { commands; } syntax" //config: default y -//config: depends on HUSH +//config: depends on HUSH || SH_IS_HUSH || BASH_IS_HUSH //config: help //config: Enable support for shell functions in hush. +800 bytes. //config: @@ -190,7 +190,7 @@ //config:config HUSH_RANDOM_SUPPORT //config: bool "Pseudorandom generator and $RANDOM variable" //config: default y -//config: depends on HUSH +//config: depends on HUSH || SH_IS_HUSH || BASH_IS_HUSH //config: help //config: Enable pseudorandom generator and dynamic variable "$RANDOM". //config: Each read of "$RANDOM" will generate a new pseudorandom value. @@ -198,14 +198,14 @@ //config:config HUSH_EXPORT_N //config: bool "Support 'export -n' option" //config: default y -//config: depends on HUSH +//config: depends on HUSH || SH_IS_HUSH || BASH_IS_HUSH //config: help //config: export -n unexports variables. It is a bash extension. //config: //config:config HUSH_MODE_X //config: bool "Support 'hush -x' option and 'set -x' command" //config: default y -//config: depends on HUSH +//config: depends on HUSH || SH_IS_HUSH || BASH_IS_HUSH //config: help //config: This instructs hush to print commands before execution. //config: Adds ~300 bytes. @@ -216,14 +216,15 @@ //config: select HUSH //config: help //config: msh is deprecated and will be removed, please migrate to hush. -//config: //applet:IF_HUSH(APPLET(hush, BB_DIR_BIN, BB_SUID_DROP)) -//applet:IF_MSH(APPLET(msh, BB_DIR_BIN, BB_SUID_DROP)) -//applet:IF_FEATURE_SH_IS_HUSH(APPLET_ODDNAME(sh, hush, BB_DIR_BIN, BB_SUID_DROP, sh)) -//applet:IF_FEATURE_BASH_IS_HUSH(APPLET_ODDNAME(bash, hush, BB_DIR_BIN, BB_SUID_DROP, bash)) +//applet:IF_MSH(APPLET_ODDNAME(msh, hush, BB_DIR_BIN, BB_SUID_DROP, hush)) +//applet:IF_SH_IS_HUSH(APPLET_ODDNAME(sh, hush, BB_DIR_BIN, BB_SUID_DROP, hush)) +//applet:IF_BASH_IS_HUSH(APPLET_ODDNAME(bash, hush, BB_DIR_BIN, BB_SUID_DROP, hush)) //kbuild:lib-$(CONFIG_HUSH) += hush.o match.o shell_common.o +//kbuild:lib-$(CONFIG_SH_IS_HUSH) += hush.o match.o shell_common.o +//kbuild:lib-$(CONFIG_BASH_IS_HUSH) += hush.o match.o shell_common.o //kbuild:lib-$(CONFIG_HUSH_RANDOM_SUPPORT) += random.o /* -i (interactive) and -s (read stdin) are also accepted, @@ -236,18 +237,6 @@ //usage:#define hush_full_usage "\n\n" //usage: "Unix shell interpreter" -//usage:#define msh_trivial_usage hush_trivial_usage -//usage:#define msh_full_usage hush_full_usage - -//usage:#if ENABLE_FEATURE_SH_IS_HUSH -//usage:# define sh_trivial_usage hush_trivial_usage -//usage:# define sh_full_usage hush_full_usage -//usage:#endif -//usage:#if ENABLE_FEATURE_BASH_IS_HUSH -//usage:# define bash_trivial_usage hush_trivial_usage -//usage:# define bash_full_usage hush_full_usage -//usage:#endif - #if !(defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) \ || defined(__APPLE__) \ ) @@ -4011,7 +4000,7 @@ static int i_peek_and_eat_bkslash_nl(struct in_str *input) } } -#if ENABLE_HUSH_TICK || ENABLE_SH_MATH_SUPPORT || ENABLE_HUSH_DOLLAR_OPS +#if ENABLE_HUSH_TICK || ENABLE_FEATURE_SH_MATH || ENABLE_HUSH_DOLLAR_OPS /* Subroutines for copying $(...) and `...` things */ static int add_till_backquote(o_string *dest, struct in_str *input, int in_dquote); /* '...' */ @@ -4179,7 +4168,7 @@ static int add_till_closing_bracket(o_string *dest, struct in_str *input, unsign } return ch; } -#endif /* ENABLE_HUSH_TICK || ENABLE_SH_MATH_SUPPORT || ENABLE_HUSH_DOLLAR_OPS */ +#endif /* ENABLE_HUSH_TICK || ENABLE_FEATURE_SH_MATH || ENABLE_HUSH_DOLLAR_OPS */ /* Return code: 0 for OK, 1 for syntax error */ #if BB_MMU @@ -4333,13 +4322,13 @@ static int parse_dollar(o_string *as_string, o_addchr(dest, SPECIAL_VAR_SYMBOL); break; } -#if ENABLE_SH_MATH_SUPPORT || ENABLE_HUSH_TICK +#if ENABLE_FEATURE_SH_MATH || ENABLE_HUSH_TICK case '(': { unsigned pos; ch = i_getch(input); nommu_addchr(as_string, ch); -# if ENABLE_SH_MATH_SUPPORT +# if ENABLE_FEATURE_SH_MATH if (i_peek_and_eat_bkslash_nl(input) == '(') { ch = i_getch(input); nommu_addchr(as_string, ch); @@ -5217,7 +5206,7 @@ static char *encode_then_expand_string(const char *str, int process_bkslash, int return exp_str; } -#if ENABLE_SH_MATH_SUPPORT +#if ENABLE_FEATURE_SH_MATH static arith_t expand_and_evaluate_arith(const char *arg, const char **errmsg_p) { arith_state_t math_state; @@ -5469,7 +5458,7 @@ static NOINLINE const char *expand_one_var(char **to_be_freed_pp, char *arg, cha } #endif else if (exp_op == ':') { -#if ENABLE_HUSH_BASH_COMPAT && ENABLE_SH_MATH_SUPPORT +#if ENABLE_HUSH_BASH_COMPAT && ENABLE_FEATURE_SH_MATH /* It's ${var:N[:M]} bashism. * Note that in encoded form it has TWO parts: * var:N<SPECIAL_VAR_SYMBOL>M<SPECIAL_VAR_SYMBOL> @@ -5604,7 +5593,7 @@ static NOINLINE int expand_vars_to_list(o_string *output, int n, char *arg) #if ENABLE_HUSH_TICK o_string subst_result = NULL_O_STRING; #endif -#if ENABLE_SH_MATH_SUPPORT +#if ENABLE_FEATURE_SH_MATH char arith_buf[sizeof(arith_t)*3 + 2]; #endif @@ -5698,7 +5687,7 @@ static NOINLINE int expand_vars_to_list(o_string *output, int n, char *arg) val = subst_result.data; goto store_val; #endif -#if ENABLE_SH_MATH_SUPPORT +#if ENABLE_FEATURE_SH_MATH case '+': { /* <SPECIAL_VAR_SYMBOL>+cmd<SPECIAL_VAR_SYMBOL> */ arith_t res; |