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hush: fix var_bash3.tests failure
function old new delta expand_one_var 1513 1538 +25 parse_stream_dquoted 233 241 +8 expand_pseudo_dquoted 118 126 +8 setup_heredoc 298 303 +5 expand_and_evaluate_arith 69 74 +5 parse_stream 2371 2374 +3 builtin_umask 132 133 +1 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 7/0 up/down: 55/0) Total: 55 bytes Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
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a769e0225d
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14e289b324
28
shell/hush.c
28
shell/hush.c
@ -3733,14 +3733,15 @@ static int parse_dollar(o_string *as_string,
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}
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#if BB_MMU
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#define parse_stream_dquoted(as_string, dest, input, dquote_end) \
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parse_stream_dquoted(dest, input, dquote_end)
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#define parse_stream_dquoted(as_string, dest, input, dquote_end, dquoted) \
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parse_stream_dquoted(dest, input, dquote_end, dquoted)
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#define as_string NULL
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#endif
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static int parse_stream_dquoted(o_string *as_string,
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o_string *dest,
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struct in_str *input,
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int dquote_end)
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int dquote_end,
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int dquoted)
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{
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int ch;
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int next;
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@ -3764,7 +3765,7 @@ static int parse_stream_dquoted(o_string *as_string,
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}
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debug_printf_parse("\" ch=%c (%d) escape=%d\n",
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ch, ch, !!(dest->o_expflags & EXP_FLAG_ESC_GLOB_CHARS));
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if (ch == '\\') {
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if (dquoted && ch == '\\') {
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if (next == EOF) {
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syntax_error("\\<eof>");
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xfunc_die();
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@ -3786,6 +3787,7 @@ static int parse_stream_dquoted(o_string *as_string,
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goto again;
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}
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if (ch == '$') {
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//CHECK: 0x80? or dquoted?
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if (parse_dollar(as_string, dest, input, /*quote_mask:*/ 0x80) != 0) {
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debug_printf_parse("parse_stream_dquoted return 1: "
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"parse_dollar returned non-0\n");
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@ -4160,7 +4162,7 @@ static struct pipe *parse_stream(char **pstring,
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dest.has_quoted_part = 1;
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if (dest.o_assignment == NOT_ASSIGNMENT)
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dest.o_expflags |= EXP_FLAG_ESC_GLOB_CHARS;
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if (parse_stream_dquoted(&ctx.as_string, &dest, input, '"'))
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if (parse_stream_dquoted(&ctx.as_string, &dest, input, '"', /*dquoted:*/ 1))
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goto parse_error;
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dest.o_expflags &= ~EXP_FLAG_ESC_GLOB_CHARS;
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break;
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@ -4385,7 +4387,7 @@ static int expand_on_ifs(o_string *output, int n, const char *str)
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* Returns malloced string.
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* As an optimization, we return NULL if expansion is not needed.
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*/
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static char *expand_pseudo_dquoted(const char *str)
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static char *expand_pseudo_dquoted(const char *str, int dquoted)
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{
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char *exp_str;
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struct in_str input;
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@ -4404,7 +4406,7 @@ static char *expand_pseudo_dquoted(const char *str)
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* echo $(($a + `echo 1`)) $((1 + $((2)) ))
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*/
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setup_string_in_str(&input, str);
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parse_stream_dquoted(NULL, &dest, &input, EOF);
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parse_stream_dquoted(NULL, &dest, &input, EOF, dquoted);
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//bb_error_msg("'%s' -> '%s'", str, dest.data);
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exp_str = expand_string_to_string(dest.data);
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//bb_error_msg("'%s' -> '%s'", dest.data, exp_str);
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@ -4422,7 +4424,7 @@ static arith_t expand_and_evaluate_arith(const char *arg, int *errcode_p)
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hooks.lookupvar = get_local_var_value;
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hooks.setvar = set_local_var_from_halves;
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//hooks.endofname = endofname;
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exp_str = expand_pseudo_dquoted(arg);
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exp_str = expand_pseudo_dquoted(arg, /*dquoted:*/ 1);
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res = arith(exp_str ? exp_str : arg, errcode_p, &hooks);
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free(exp_str);
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return res;
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@ -4593,7 +4595,7 @@ static NOINLINE const char *expand_one_var(char **to_be_freed_pp, char *arg, cha
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// (see HACK ALERT below for an example)
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val = to_be_freed = xstrdup(val);
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//TODO: fix expansion rules:
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exp_exp_word = expand_pseudo_dquoted(exp_word);
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exp_exp_word = expand_pseudo_dquoted(exp_word, /*dquoted:*/ 1);
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if (exp_exp_word)
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exp_word = exp_exp_word;
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loc = scan_and_match(to_be_freed, exp_word, scan_flags);
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@ -4631,7 +4633,7 @@ static NOINLINE const char *expand_one_var(char **to_be_freed_pp, char *arg, cha
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*/
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//TODO: fix expansion rules:
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char *pattern, *repl, *t;
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pattern = expand_pseudo_dquoted(exp_word);
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pattern = expand_pseudo_dquoted(exp_word, /*dquoted:*/ 1);
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if (!pattern)
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pattern = xstrdup(exp_word);
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debug_printf_varexp("pattern:'%s'->'%s'\n", exp_word, pattern);
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@ -4639,7 +4641,7 @@ static NOINLINE const char *expand_one_var(char **to_be_freed_pp, char *arg, cha
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exp_word = p;
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p = strchr(p, SPECIAL_VAR_SYMBOL);
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*p = '\0';
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repl = expand_pseudo_dquoted(exp_word);
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repl = expand_pseudo_dquoted(exp_word, /*dquoted:*/ arg0 & 0x80);
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debug_printf_varexp("repl:'%s'->'%s'\n", exp_word, repl);
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/* HACK ALERT. We depend here on the fact that
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* G.global_argv and results of utoa and get_local_var_value
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@ -4724,7 +4726,7 @@ static NOINLINE const char *expand_one_var(char **to_be_freed_pp, char *arg, cha
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debug_printf_expand("expand: op:%c (null:%s) test:%i\n", exp_op,
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(exp_save == ':') ? "true" : "false", use_word);
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if (use_word) {
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to_be_freed = expand_pseudo_dquoted(exp_word);
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to_be_freed = expand_pseudo_dquoted(exp_word, /*dquoted:*/ 1);
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if (to_be_freed)
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exp_word = to_be_freed;
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if (exp_op == '?') {
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@ -5463,7 +5465,7 @@ static void setup_heredoc(struct redir_struct *redir)
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expanded = NULL;
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if (!(redir->rd_dup & HEREDOC_QUOTED)) {
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expanded = expand_pseudo_dquoted(heredoc);
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expanded = expand_pseudo_dquoted(heredoc, /*dquoted:*/ 1);
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if (expanded)
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heredoc = expanded;
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}
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