diff options
Diffstat (limited to 'shell/hush.c')
-rw-r--r-- | shell/hush.c | 35 |
1 files changed, 24 insertions, 11 deletions
diff --git a/shell/hush.c b/shell/hush.c index d6286b6..acc8ef9 100644 --- a/shell/hush.c +++ b/shell/hush.c @@ -192,9 +192,10 @@ typedef enum reserved_style { #endif #if ENABLE_HUSH_CASE RES_CASE , - /* two pseudo-keywords support contrived "case" syntax: */ - RES_MATCH , /* "word)" */ - RES_CASEI , /* "this command is inside CASE" */ + /* three pseudo-keywords support contrived "case" syntax: */ + RES_CASE_IN, /* "case ... IN", turns into RES_MATCH when IN is observed */ + RES_MATCH , /* "word)" */ + RES_CASE_BODY, /* "this command is inside CASE" */ RES_ESAC , #endif RES_XXXX , @@ -3766,8 +3767,9 @@ static void debug_print_tree(struct pipe *pi, int lvl) #endif #if ENABLE_HUSH_CASE [RES_CASE ] = "CASE" , + [RES_CASE_IN ] = "CASE_IN" , [RES_MATCH] = "MATCH", - [RES_CASEI] = "CASEI", + [RES_CASE_BODY] = "CASE_BODY", [RES_ESAC ] = "ESAC" , #endif [RES_XXXX ] = "XXXX" , @@ -4011,7 +4013,7 @@ static int run_list(struct pipe *pi) } continue; } - if (rword == RES_CASEI) { /* inside of a case branch */ + if (rword == RES_CASE_BODY) { /* inside of a case branch */ if (cond_code != 0) continue; /* not matched yet, skip this pipe */ } @@ -4252,7 +4254,9 @@ static void done_pipe(struct parse_context *ctx, pipe_style type) #endif #if ENABLE_HUSH_CASE if (ctx->ctx_res_w == RES_MATCH) - ctx->ctx_res_w = RES_CASEI; + ctx->ctx_res_w = RES_CASE_BODY; + if (ctx->ctx_res_w == RES_CASE) + ctx->ctx_res_w = RES_CASE_IN; #endif ctx->command = NULL; /* trick done_command below */ /* Create the memory for command, roughly: @@ -4366,10 +4370,10 @@ static int reserved_word(o_string *word, struct parse_context *ctx) debug_printf("found reserved word %s, res %d\n", r->literal, r->res); #if ENABLE_HUSH_CASE - if (r->res == RES_IN && ctx->ctx_res_w == RES_CASE) - /* "case word IN ..." - IN part starts first match part */ + if (r->res == RES_IN && ctx->ctx_res_w == RES_CASE_IN) { + /* "case word IN ..." - IN part starts first MATCH part */ r = &reserved_match; - else + } else #endif if (r->flag == 0) { /* '!' */ if (ctx->ctx_inverted) { /* bash doesn't accept '! ! true' */ @@ -4495,6 +4499,9 @@ static int done_word(o_string *word, struct parse_context *ctx) && ctx->ctx_res_w != RES_FOR /* ...not after FOR or IN */ && ctx->ctx_res_w != RES_IN # endif +# if ENABLE_HUSH_CASE + && ctx->ctx_res_w != RES_CASE +# endif ) { debug_printf_parse("checking '%s' for reserved-ness\n", word->data); if (reserved_word(word, ctx)) { @@ -5578,7 +5585,13 @@ static struct pipe *parse_stream(char **pstring, } if (end_trigger && end_trigger == ch - && (heredoc_cnt == 0 || end_trigger != ';') + && (ch != ';' || heredoc_cnt == 0) +#if ENABLE_HUSH_CASE + && (ch != ')' + || ctx.ctx_res_w != RES_MATCH + || (!dest.o_quoted && strcmp(dest.data, "esac") == 0) + ) +#endif ) { if (heredoc_cnt) { /* This is technically valid: @@ -5784,7 +5797,7 @@ static struct pipe *parse_stream(char **pstring, break; ch = i_getch(input); nommu_addchr(&ctx.as_string, ch); - if (ctx.ctx_res_w == RES_CASEI) { + if (ctx.ctx_res_w == RES_CASE_BODY) { ctx.ctx_dsemicolon = 1; ctx.ctx_res_w = RES_MATCH; break; |