diff options
| -rw-r--r-- | shell/hush.c | 52 |
1 files changed, 29 insertions, 23 deletions
diff --git a/shell/hush.c b/shell/hush.c index 1ff7b0d..d96615d 100644 --- a/shell/hush.c +++ b/shell/hush.c @@ -305,8 +305,8 @@ struct in_str { char eof_flag; /* meaningless if ->p == NULL */ char peek_buf[2]; #if ENABLE_HUSH_INTERACTIVE - int __promptme; - int promptmode; + smallint promptme; + smallint promptmode; /* 0: PS1, 1: PS2 */ #endif FILE *file; int (*get) (struct in_str *); @@ -427,15 +427,23 @@ enum { run_list_level = 0 }; /* Normal */ static void syntax(const char *msg) { - (interactive_fd ? bb_error_msg : bb_error_msg_and_die) - (msg ? "%s: %s" : "syntax error", "syntax error", msg); + /* Was using fancy stuff: + * (interactive_fd ? bb_error_msg : bb_error_msg_and_die)(...params...) + * but it SEGVs. ?! Oh well... explicit temp ptr works around that */ + void (*fp)(const char *s, ...); + + fp = (interactive_fd ? bb_error_msg : bb_error_msg_and_die); + fp(msg ? "%s: %s" : "syntax error", "syntax error", msg); } + #else /* Debug */ static void syntax_lineno(int line) { - (interactive_fd ? bb_error_msg : bb_error_msg_and_die) - ("syntax error hush.c:%d", line); + void (*fp)(const char *s, ...); + + fp = (interactive_fd ? bb_error_msg : bb_error_msg_and_die); + fp("syntax error hush.c:%d", line); } #define syntax(str) syntax_lineno(__LINE__) #endif @@ -1136,20 +1144,17 @@ static const char* setup_prompt_string(int promptmode) debug_printf("setup_prompt_string %d ", promptmode); #if !ENABLE_FEATURE_EDITING_FANCY_PROMPT /* Set up the prompt */ - if (promptmode == 1) { - char *ns; + if (promptmode == 0) { /* PS1 */ free((char*)PS1); - ns = xmalloc(strlen(cwd)+4); - sprintf(ns, "%s %s", cwd, (geteuid() != 0) ? "$ " : "# "); - prompt_str = ns; - PS1 = ns; + PS1 = xasprintf("%s %c ", cwd, (geteuid() != 0) ? '$' : '#'); + prompt_str = PS1; } else { prompt_str = PS2; } #else - prompt_str = (promptmode == 1) ? PS1 : PS2; + prompt_str = (promptmode == 0) ? PS1 : PS2; #endif - debug_printf("result %s\n", prompt_str); + debug_printf("result '%s'\n", prompt_str); return prompt_str; } @@ -1199,12 +1204,12 @@ static int file_get(struct in_str *i) /* need to double check i->file because we might be doing something * more complicated by now, like sourcing or substituting. */ #if ENABLE_HUSH_INTERACTIVE - if (interactive_fd && i->__promptme && i->file == stdin) { + if (interactive_fd && i->promptme && i->file == stdin) { do { get_user_input(i); } while (!*i->p); /* need non-empty line */ - i->promptmode = 2; - i->__promptme = 0; + i->promptmode = 1; /* PS2 */ + i->promptme = 0; goto take_cached; } #endif @@ -1213,7 +1218,7 @@ static int file_get(struct in_str *i) debug_printf("file_get: got a '%c' %d\n", ch, ch); #if ENABLE_HUSH_INTERACTIVE if (ch == '\n') - i->__promptme = 1; + i->promptme = 1; #endif return ch; } @@ -1243,8 +1248,8 @@ static void setup_file_in_str(struct in_str *i, FILE *f) i->peek = file_peek; i->get = file_get; #if ENABLE_HUSH_INTERACTIVE - i->__promptme = 1; - i->promptmode = 1; + i->promptme = 1; + i->promptmode = 0; /* PS1 */ #endif i->file = f; i->p = NULL; @@ -1255,8 +1260,8 @@ static void setup_string_in_str(struct in_str *i, const char *s) i->peek = static_peek; i->get = static_get; #if ENABLE_HUSH_INTERACTIVE - i->__promptme = 1; - i->promptmode = 1; + i->promptme = 1; + i->promptmode = 0; /* PS1 */ #endif i->p = s; i->eof_flag = 0; @@ -3246,6 +3251,7 @@ static int parse_group(o_string *dest, struct p_context *ctx, child->subshell = 1; } rcode = parse_stream(dest, &sub, input, endch); +//vda: err chk? done_word(dest, &sub); /* finish off the final word in the subcontext */ done_pipe(&sub, PIPE_SEQ); /* and the final command there, too */ child->group = sub.list_head; @@ -3588,7 +3594,7 @@ static int parse_and_run_stream(struct in_str *inp, int parse_flag) if (!(parse_flag & PARSEFLAG_SEMICOLON) || (parse_flag & PARSEFLAG_REPARSING)) set_in_charmap(";$&|", CHAR_ORDINARY); #if ENABLE_HUSH_INTERACTIVE - inp->promptmode = 1; + inp->promptmode = 0; /* PS1 */ #endif /* We will stop & execute after each ';' or '\n'. * Example: "sleep 9999; echo TEST" + ctrl-C: |