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hush: push down expansion var in handle_dollar()

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Declare the variable in the scope it is used rather than the entire
function scope so it's obvious it is only used there.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger 2009-06-01 14:13:39 -04:00
parent dc3bc40578
commit ef3e7fdd3b
1 changed files with 3 additions and 2 deletions
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5
shell/hush.c
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@ -5240,7 +5240,6 @@ static int handle_dollar(o_string *as_string,
o_string *dest,
struct in_str *input)
{
int expansion;
int ch = i_peek(input); /* first character after the $ */
unsigned char quote_mask = dest->o_escape ? 0x80 : 0;
@ -5279,10 +5278,12 @@ static int handle_dollar(o_string *as_string,
goto make_one_char_var;
case '{': {
bool first_char, all_digits;
int expansion;
o_addchr(dest, SPECIAL_VAR_SYMBOL);
ch = i_getch(input);
nommu_addchr(as_string, ch);
o_addchr(dest, SPECIAL_VAR_SYMBOL);
/* TODO: maybe someone will try to escape the '}' */
expansion = 0;
first_char = true;