diff options
Diffstat (limited to 'shell/hush.c')
| -rw-r--r-- | shell/hush.c | 54 |
1 files changed, 30 insertions, 24 deletions
diff --git a/shell/hush.c b/shell/hush.c index 89e06df4d..130c8e958 100644 --- a/shell/hush.c +++ b/shell/hush.c @@ -439,21 +439,22 @@ /* If you comment out one of these below, it will be #defined later * to perform debug printfs to stderr: */ -#define debug_printf(...) do {} while (0) +#define debug_printf(...) do {} while (0) /* Finer-grained debug switches */ -#define debug_printf_parse(...) do {} while (0) -#define debug_print_tree(a, b) do {} while (0) -#define debug_printf_exec(...) do {} while (0) -#define debug_printf_env(...) do {} while (0) -#define debug_printf_jobs(...) do {} while (0) -#define debug_printf_expand(...) do {} while (0) -#define debug_printf_varexp(...) do {} while (0) -#define debug_printf_glob(...) do {} while (0) -#define debug_printf_redir(...) do {} while (0) -#define debug_printf_list(...) do {} while (0) -#define debug_printf_subst(...) do {} while (0) -#define debug_printf_prompt(...) do {} while (0) -#define debug_printf_clean(...) do {} while (0) +#define debug_printf_parse(...) do {} while (0) +#define debug_printf_heredoc(...) do {} while (0) +#define debug_print_tree(a, b) do {} while (0) +#define debug_printf_exec(...) do {} while (0) +#define debug_printf_env(...) do {} while (0) +#define debug_printf_jobs(...) do {} while (0) +#define debug_printf_expand(...) do {} while (0) +#define debug_printf_varexp(...) do {} while (0) +#define debug_printf_glob(...) do {} while (0) +#define debug_printf_redir(...) do {} while (0) +#define debug_printf_list(...) do {} while (0) +#define debug_printf_subst(...) do {} while (0) +#define debug_printf_prompt(...) do {} while (0) +#define debug_printf_clean(...) do {} while (0) #define ERR_PTR ((void*)(long)1) @@ -1219,6 +1220,10 @@ static const struct built_in_command bltins2[] = { # define debug_printf_parse(...) (indent(), fdprintf(2, __VA_ARGS__)) #endif +#ifndef debug_printf_heredoc +# define debug_printf_heredoc(...) (indent(), fdprintf(2, __VA_ARGS__)) +#endif + #ifndef debug_printf_exec #define debug_printf_exec(...) (indent(), fdprintf(2, __VA_ARGS__)) #endif @@ -4245,7 +4250,7 @@ static char *fetch_till_str(o_string *as_string, if ((heredoc_flags & HEREDOC_QUOTED) || prev != '\\') { if (strcmp(heredoc.data + past_EOL, word) == 0) { heredoc.data[past_EOL] = '\0'; - debug_printf_parse("parsed heredoc '%s'\n", heredoc.data); + debug_printf_heredoc("parsed '%s' heredoc '%s'\n", word, heredoc.data); return heredoc.data; } if (ch == '\n') { @@ -4295,13 +4300,14 @@ static int fetch_heredocs(int heredoc_cnt, struct parse_context *ctx, struct in_ int i; struct command *cmd = pi->cmds; - debug_printf_parse("fetch_heredocs: num_cmds:%d cmd argv0:'%s'\n", + debug_printf_heredoc("fetch_heredocs: num_cmds:%d cmd argv0:'%s'\n", pi->num_cmds, - cmd->argv ? cmd->argv[0] : "NONE"); + cmd->argv ? cmd->argv[0] : "NONE" + ); for (i = 0; i < pi->num_cmds; i++) { struct redir_struct *redir = cmd->redirects; - debug_printf_parse("fetch_heredocs: %d cmd argv0:'%s'\n", + debug_printf_heredoc("fetch_heredocs: %d cmd argv0:'%s'\n", i, cmd->argv ? cmd->argv[0] : "NONE"); while (redir) { if (redir->rd_type == REDIRECT_HEREDOC) { @@ -4325,11 +4331,9 @@ static int fetch_heredocs(int heredoc_cnt, struct parse_context *ctx, struct in_ } pi = pi->next; } -#if 0 /* Should be 0. If it isn't, it's a parse error */ - if (heredoc_cnt) + if (HUSH_DEBUG && heredoc_cnt) bb_error_msg_and_die("heredoc BUG 2"); -#endif return 0; } @@ -5200,7 +5204,9 @@ static struct pipe *parse_stream(char **pstring, * "case ... in <newline> word) ..." */ if (IS_NULL_CMD(ctx.command) - && ctx.word.length == 0 && !ctx.word.has_quoted_part + && ctx.word.length == 0 + && !ctx.word.has_quoted_part + && heredoc_cnt == 0 ) { /* This newline can be ignored. But... * Without check #1, interactive shell @@ -5228,7 +5234,7 @@ static struct pipe *parse_stream(char **pstring, } /* Treat newline as a command separator. */ done_pipe(&ctx, PIPE_SEQ); - debug_printf_parse("heredoc_cnt:%d\n", heredoc_cnt); + debug_printf_heredoc("heredoc_cnt:%d\n", heredoc_cnt); if (heredoc_cnt) { if (fetch_heredocs(heredoc_cnt, &ctx, input)) { goto parse_error; @@ -5362,7 +5368,7 @@ static struct pipe *parse_stream(char **pstring, if (next == '<') { redir_style = REDIRECT_HEREDOC; heredoc_cnt++; - debug_printf_parse("++heredoc_cnt=%d\n", heredoc_cnt); + debug_printf_heredoc("++heredoc_cnt=%d\n", heredoc_cnt); ch = i_getch(input); nommu_addchr(&ctx.as_string, ch); } else if (next == '>') { |