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authorDenys Vlasenko2010-09-10 10:12:34 +0200
committerDenys Vlasenko2010-09-10 10:12:34 +0200
commita769e0225d965d7eced9f04d99c3a66b1c427ee3 (patch)
tree733f13ebc0af81c81d523537e6fd0cac9061ecce /shell/hush.c
parentbfc02a76c5c3f0c8a5de518a46951098fef1e3cb (diff)
downloadbusybox-a769e0225d965d7eced9f04d99c3a66b1c427ee3.zip
busybox-a769e0225d965d7eced9f04d99c3a66b1c427ee3.tar.gz
hush: remove useless ESC_GLOB_CHARS clears/resotres
function old new delta o_addQstr 43 165 +122 expand_on_ifs 210 189 -21 expand_vars_to_list 1122 1094 -28 o_addqblock 139 - -139 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 1/2 up/down: 122/-188) Total: -66 bytes Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
Diffstat (limited to 'shell/hush.c')
-rw-r--r--shell/hush.c19
1 files changed, 4 insertions, 15 deletions
diff --git a/shell/hush.c b/shell/hush.c
index 9c61527..b7aeab2 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -4353,13 +4353,12 @@ static int expand_on_ifs(o_string *output, int n, const char *str)
while (1) {
int word_len = strcspn(str, G.ifs);
if (word_len) {
- if (output->o_expflags & EXP_FLAG_ESC_GLOB_CHARS)
- o_addqblock(output, str, word_len);
- else if (!(output->o_expflags & EXP_FLAG_GLOB))
+ if (!(output->o_expflags & EXP_FLAG_GLOB))
o_addblock(output, str, word_len);
- else /* if (!escape && glob) */ {
+ else {
/* Protect backslashes against globbing up :)
- * Example: "v='\*'; echo b$v"
+ * Example: "v='\*'; echo b$v" prints "b\*"
+ * (and does not try to glob on "*")
*/
o_addblock_duplicate_backslash(output, str, word_len);
/*/ Why can't we do it easier? */
@@ -4819,10 +4818,6 @@ static NOINLINE int expand_vars_to_list(o_string *output, int n, char *arg)
i = 1;
cant_be_null |= first_ch; /* do it for "$@" _now_, when we know it's not empty */
if (!(first_ch & 0x80)) { /* unquoted $* or $@ */
- int sv = output->o_expflags;
- /* unquoted var's contents should be globbed, so don't escape */
-//TODO: make _caller_ set EXP_FLAG_ESC_GLOB_CHARS properly
- output->o_expflags &= ~EXP_FLAG_ESC_GLOB_CHARS;
while (G.global_argv[i]) {
n = expand_on_ifs(output, n, G.global_argv[i]);
debug_printf_expand("expand_vars_to_list: argv %d (last %d)\n", i, G.global_argc - 1);
@@ -4835,7 +4830,6 @@ static NOINLINE int expand_vars_to_list(o_string *output, int n, char *arg)
debug_print_list("expand_vars_to_list[3]", output, n);
}
}
- output->o_expflags = sv;
} else
/* If EXP_FLAG_SINGLEWORD, we handle assignment 'a=....$@.....'
* and in this case should treat it like '$*' - see 'else...' below */
@@ -4917,13 +4911,8 @@ static NOINLINE int expand_vars_to_list(o_string *output, int n, char *arg)
debug_printf_expand("unquoted '%s', output->o_escape:%d\n", val,
!!(output->o_expflags & EXP_FLAG_ESC_GLOB_CHARS));
if (val && val[0]) {
- /* unquoted var's contents should be globbed, so don't escape */
- int sv = output->o_expflags;
-//TODO: make _caller_ set EXP_FLAG_ESC_GLOB_CHARS properly
- output->o_expflags &= ~EXP_FLAG_ESC_GLOB_CHARS;
n = expand_on_ifs(output, n, val);
val = NULL;
- output->o_expflags = sv;
}
} else { /* quoted $VAR, val will be appended below */
debug_printf_expand("quoted '%s', output->o_escape:%d\n", val,