hush: fix "$v" expansion in case patterns when v='[a]'
function old new delta run_list 1053 1063 +10 setup_redirects 311 320 +9 encode_then_expand_string 135 142 +7 run_pipe 1784 1789 +5 expand_assignments 81 86 +5 expand_string_to_string 124 125 +1 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 6/0 up/down: 37/0) Total: 37 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
parent
680c3016a2
commit
34179956f9
1
shell/ash_test/ash-quoting/case_glob1.right
Normal file
1
shell/ash_test/ash-quoting/case_glob1.right
Normal file
@ -0,0 +1 @@
|
||||
s
|
||||
8
shell/ash_test/ash-quoting/case_glob1.tests
Executable file
8
shell/ash_test/ash-quoting/case_glob1.tests
Executable file
@ -0,0 +1,8 @@
|
||||
g='[3](a)(b)(c)'
|
||||
s='[3](a)(b)(c)'
|
||||
case $g in
|
||||
"$s") echo s
|
||||
;;
|
||||
*) echo "*"
|
||||
;;
|
||||
esac
|
||||
50
shell/hush.c
50
shell/hush.c
@ -5610,11 +5610,10 @@ static struct pipe *parse_stream(char **pstring,
|
||||
|
||||
/* Expansion can recurse, need forward decls: */
|
||||
#if !BASH_PATTERN_SUBST && !ENABLE_HUSH_CASE
|
||||
/* only ${var/pattern/repl} (its pattern part) needs additional mode */
|
||||
#define expand_string_to_string(str, do_unbackslash) \
|
||||
#define expand_string_to_string(str, EXP_flags, do_unbackslash) \
|
||||
expand_string_to_string(str)
|
||||
#endif
|
||||
static char *expand_string_to_string(const char *str, int do_unbackslash);
|
||||
static char *expand_string_to_string(const char *str, int EXP_flags, int do_unbackslash);
|
||||
#if ENABLE_HUSH_TICK
|
||||
static int process_command_subs(o_string *dest, const char *s);
|
||||
#endif
|
||||
@ -5760,7 +5759,10 @@ static char *encode_then_expand_string(const char *str, int process_bkslash, int
|
||||
encode_string(NULL, &dest, &input, EOF, process_bkslash);
|
||||
//TODO: error check (encode_string returns 0 on error)?
|
||||
//bb_error_msg("'%s' -> '%s'", str, dest.data);
|
||||
exp_str = expand_string_to_string(dest.data, /*unbackslash:*/ do_unbackslash);
|
||||
exp_str = expand_string_to_string(dest.data,
|
||||
do_unbackslash ? EXP_FLAG_ESC_GLOB_CHARS : 0,
|
||||
do_unbackslash
|
||||
);
|
||||
//bb_error_msg("'%s' -> '%s'", dest.data, exp_str);
|
||||
o_free_unsafe(&dest);
|
||||
return exp_str;
|
||||
@ -6393,10 +6395,11 @@ static char **expand_strvec_to_strvec_singleword_noglob(char **argv)
|
||||
* NB: should NOT do globbing!
|
||||
* "export v=/bin/c*; env | grep ^v=" outputs "v=/bin/c*"
|
||||
*/
|
||||
static char *expand_string_to_string(const char *str, int do_unbackslash)
|
||||
static char *expand_string_to_string(const char *str, int EXP_flags, int do_unbackslash)
|
||||
{
|
||||
#if !BASH_PATTERN_SUBST && !ENABLE_HUSH_CASE
|
||||
const int do_unbackslash = 1;
|
||||
const int EXP_flags = EXP_FLAG_ESC_GLOB_CHARS;
|
||||
#endif
|
||||
char *argv[2], **list;
|
||||
|
||||
@ -6413,10 +6416,7 @@ static char *expand_string_to_string(const char *str, int do_unbackslash)
|
||||
|
||||
argv[0] = (char*)str;
|
||||
argv[1] = NULL;
|
||||
list = expand_variables(argv, do_unbackslash
|
||||
? EXP_FLAG_ESC_GLOB_CHARS | EXP_FLAG_SINGLEWORD
|
||||
: EXP_FLAG_SINGLEWORD
|
||||
);
|
||||
list = expand_variables(argv, EXP_flags | EXP_FLAG_SINGLEWORD);
|
||||
if (HUSH_DEBUG)
|
||||
if (!list[0] || list[1])
|
||||
bb_error_msg_and_die("BUG in varexp2");
|
||||
@ -6460,7 +6460,13 @@ static char **expand_assignments(char **argv, int count)
|
||||
G.expanded_assignments = p = NULL;
|
||||
/* Expand assignments into one string each */
|
||||
for (i = 0; i < count; i++) {
|
||||
G.expanded_assignments = p = add_string_to_strings(p, expand_string_to_string(argv[i], /*unbackslash:*/ 1));
|
||||
p = add_string_to_strings(p,
|
||||
expand_string_to_string(argv[i],
|
||||
EXP_FLAG_ESC_GLOB_CHARS,
|
||||
/*unbackslash:*/ 1
|
||||
)
|
||||
);
|
||||
G.expanded_assignments = p;
|
||||
}
|
||||
G.expanded_assignments = NULL;
|
||||
return p;
|
||||
@ -7172,7 +7178,8 @@ static int setup_redirects(struct command *prog, struct squirrel **sqp)
|
||||
continue;
|
||||
}
|
||||
mode = redir_table[redir->rd_type].mode;
|
||||
p = expand_string_to_string(redir->rd_filename, /*unbackslash:*/ 1);
|
||||
p = expand_string_to_string(redir->rd_filename,
|
||||
EXP_FLAG_ESC_GLOB_CHARS, /*unbackslash:*/ 1);
|
||||
newfd = open_or_warn(p, mode);
|
||||
free(p);
|
||||
if (newfd < 0) {
|
||||
@ -8370,7 +8377,10 @@ static NOINLINE int run_pipe(struct pipe *pi)
|
||||
bb_putchar_stderr('+');
|
||||
i = 0;
|
||||
while (i < command->assignment_cnt) {
|
||||
char *p = expand_string_to_string(argv[i], /*unbackslash:*/ 1);
|
||||
char *p = expand_string_to_string(argv[i],
|
||||
EXP_FLAG_ESC_GLOB_CHARS,
|
||||
/*unbackslash:*/ 1
|
||||
);
|
||||
if (G_x_mode)
|
||||
fprintf(stderr, " %s", p);
|
||||
debug_printf_env("set shell var:'%s'->'%s'\n", *argv, p);
|
||||
@ -8865,7 +8875,8 @@ static int run_list(struct pipe *pi)
|
||||
#if ENABLE_HUSH_CASE
|
||||
if (rword == RES_CASE) {
|
||||
debug_printf_exec("CASE cond_code:%d\n", cond_code);
|
||||
case_word = expand_string_to_string(pi->cmds->argv[0], 1);
|
||||
case_word = expand_string_to_string(pi->cmds->argv[0],
|
||||
EXP_FLAG_ESC_GLOB_CHARS, /*unbackslash:*/ 1);
|
||||
debug_printf_exec("CASE word1:'%s'\n", case_word);
|
||||
//unbackslash(case_word);
|
||||
//debug_printf_exec("CASE word2:'%s'\n", case_word);
|
||||
@ -8880,12 +8891,19 @@ static int run_list(struct pipe *pi)
|
||||
/* all prev words didn't match, does this one match? */
|
||||
argv = pi->cmds->argv;
|
||||
while (*argv) {
|
||||
char *pattern = expand_string_to_string(*argv, /*unbackslash:*/ 0);
|
||||
char *pattern;
|
||||
debug_printf_exec("expand_string_to_string('%s')\n", *argv);
|
||||
pattern = expand_string_to_string(*argv,
|
||||
EXP_FLAG_ESC_GLOB_CHARS,
|
||||
/*unbackslash:*/ 0
|
||||
);
|
||||
/* TODO: which FNM_xxx flags to use? */
|
||||
cond_code = (fnmatch(pattern, case_word, /*flags:*/ 0) != 0);
|
||||
debug_printf_exec("fnmatch(pattern:'%s',str:'%s'):%d\n", pattern, case_word, cond_code);
|
||||
debug_printf_exec("fnmatch(pattern:'%s',str:'%s'):%d\n",
|
||||
pattern, case_word, cond_code);
|
||||
free(pattern);
|
||||
if (cond_code == 0) { /* match! we will execute this branch */
|
||||
if (cond_code == 0) {
|
||||
/* match! we will execute this branch */
|
||||
free(case_word);
|
||||
case_word = NULL; /* make future "word)" stop */
|
||||
break;
|
||||
|
||||
1
shell/hush_test/hush-quoting/case_glob1.right
Normal file
1
shell/hush_test/hush-quoting/case_glob1.right
Normal file
@ -0,0 +1 @@
|
||||
s
|
||||
8
shell/hush_test/hush-quoting/case_glob1.tests
Executable file
8
shell/hush_test/hush-quoting/case_glob1.tests
Executable file
@ -0,0 +1,8 @@
|
||||
g='[3](a)(b)(c)'
|
||||
s='[3](a)(b)(c)'
|
||||
case $g in
|
||||
"$s") echo s
|
||||
;;
|
||||
*) echo "*"
|
||||
;;
|
||||
esac
|
||||
Loading…
Reference in New Issue
Block a user