diff options
| -rw-r--r-- | shell/hush.c | 49 |
1 files changed, 28 insertions, 21 deletions
diff --git a/shell/hush.c b/shell/hush.c index 47eff0f..43e715a 100644 --- a/shell/hush.c +++ b/shell/hush.c @@ -2359,12 +2359,13 @@ static void re_execute_shell(const char *s) if (!cur->flg_export || cur->flg_read_only) cnt += 2; } -//TODO: need to free these strings in parent! - G.argv_for_re_execing = pp = xmalloc(sizeof(argv[0]) * cnt); + G.argv_for_re_execing = pp = xzalloc(sizeof(argv[0]) * cnt); *pp++ = (char *) applet_name; *pp++ = xasprintf("-$%u", G.root_pid); *pp++ = xasprintf("-?%u", G.last_return_code); +#if ENABLE_HUSH_LOOPS *pp++ = xasprintf("-D%u", G.depth_of_loop); +#endif for (cur = G.top_var; cur; cur = cur->next) { if (cur->varstr == hush_version_str) continue; @@ -2381,7 +2382,7 @@ static void re_execute_shell(const char *s) pp2 = G.global_argv; while (*pp2) *pp++ = *pp2++; - *pp = NULL; + /* *pp = NULL; - is already there */ //TODO: pass traps and functions debug_printf_exec("re_execute_shell pid:%d cmd:'%s'\n", getpid(), s); @@ -2398,7 +2399,9 @@ static void clean_up_after_re_execute(void) /* Must match re_execute_shell's allocations */ free(pp[1]); free(pp[2]); +#if ENABLE_HUSH_LOOPS free(pp[3]); +#endif free(pp); G.argv_for_re_execing = NULL; } @@ -4281,56 +4284,58 @@ static int handle_dollar(struct parse_context *ctx, o_addchr(dest, SPECIAL_VAR_SYMBOL); break; } +#if (ENABLE_SH_MATH_SUPPORT || ENABLE_HUSH_TICK) case '(': { -#if !BB_MMU +# if !BB_MMU int pos; -#endif +# endif ch = i_getch(input); -#if !BB_MMU +# if !BB_MMU if (ctx) o_addchr(&ctx->as_string, ch); -#endif -#if ENABLE_SH_MATH_SUPPORT +# endif +# if ENABLE_SH_MATH_SUPPORT if (i_peek(input) == '(') { ch = i_getch(input); -#if !BB_MMU +# if !BB_MMU if (ctx) o_addchr(&ctx->as_string, ch); -#endif +# endif o_addchr(dest, SPECIAL_VAR_SYMBOL); o_addchr(dest, /*quote_mask |*/ '+'); -#if !BB_MMU +# if !BB_MMU pos = dest->length; -#endif +# endif add_till_closing_paren(dest, input, true); -#if !BB_MMU +# if !BB_MMU if (ctx) { o_addstr(&ctx->as_string, dest->data + pos); o_addchr(&ctx->as_string, ')'); o_addchr(&ctx->as_string, ')'); } -#endif +# endif o_addchr(dest, SPECIAL_VAR_SYMBOL); break; } -#endif -#if ENABLE_HUSH_TICK +# endif +# if ENABLE_HUSH_TICK //int pos = dest->length; o_addchr(dest, SPECIAL_VAR_SYMBOL); o_addchr(dest, quote_mask | '`'); -#if !BB_MMU +# if !BB_MMU pos = dest->length; -#endif +# endif add_till_closing_paren(dest, input, false); -#if !BB_MMU +# if !BB_MMU if (ctx) { o_addstr(&ctx->as_string, dest->data + pos); o_addchr(&ctx->as_string, '`'); } -#endif +# endif //debug_printf_subst("SUBST RES2 '%s'\n", dest->data + pos); o_addchr(dest, SPECIAL_VAR_SYMBOL); -#endif +# endif break; } +#endif case '_': ch = i_getch(input); #if !BB_MMU @@ -5075,9 +5080,11 @@ int hush_main(int argc, char **argv) case '?': G.last_return_code = xatoi_u(optarg); break; +#if ENABLE_HUSH_LOOPS case 'D': G.depth_of_loop = xatoi_u(optarg); break; +#endif case 'R': case 'V': set_local_var(xstrdup(optarg), 0, opt == 'R'); |