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| author | Denys Vlasenko | 2010-09-10 10:12:34 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2010-09-10 10:12:34 +0200 |
| commit | a769e0225d965d7eced9f04d99c3a66b1c427ee3 (patch) | |
| tree | 733f13ebc0af81c81d523537e6fd0cac9061ecce /shell/hush.c | |
| parent | bfc02a76c5c3f0c8a5de518a46951098fef1e3cb (diff) | |
| download | busybox-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.c | 19 |
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, |