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ash: fix another bug detected by var_bash4.tests

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... but var_bash4.tests still does not pass!

function                                             old     new   delta
expandarg                                            959     962      +3
localcmd                                             259     257      -2
readtoken1                                          3275    3260     -15
subevalvar                                          1178    1141     -37
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/3 up/down: 3/-54)             Total: -51 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2010-08-06 22:06:21 +02:00
parent c8d305d89f
commit 1614900522
1 changed files with 3 additions and 2 deletions
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5
shell/ash.c
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@ -6272,6 +6272,8 @@ parse_sub_pattern(char *arg, int varflags)
char *idx, *repl = NULL;
unsigned char c;
//char *org_arg = arg;
//bb_error_msg("arg:'%s'", arg);
idx = arg;
while (1) {
c = *arg;
@ -6290,6 +6292,7 @@ parse_sub_pattern(char *arg, int varflags)
arg++;
}
*idx = c; /* NUL */
//bb_error_msg("pattern:'%s' repl:'%s'", org_arg, repl);
return repl;
}
@ -6499,8 +6502,6 @@ subevalvar(char *p, char *varname, int strloc, int subtype,
//bb_error_msg("tail:'%s', quotes:%x", idx, quotes);
while (*idx) {
char *restart_detect = stackblock();
if (quotes && (unsigned char)*idx == CTLESC)
idx++;
STPUTC(*idx, expdest);
if (stackblock() != restart_detect)
goto restart;