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expr: small code shrink

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This commit is contained in:
Denis Vlasenko 2007-07-01 18:33:35 +00:00
parent 679b41237c
commit c6753c1666
1 changed files with 7 additions and 4 deletions
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11
coreutils/expr.c
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@ -277,12 +277,15 @@ static VALUE *eval7(void)
static VALUE *eval6(void)
{
VALUE *l, *r, *v = NULL /* silence gcc */, *i1, *i2;
static const char * const keywords[] = {
"quote", "length", "match", "index", "substr", NULL
};
smalluint key = *G.args ? index_in_str_array(keywords, *G.args) + 1 : 0;
VALUE *r, *i1, *i2;
VALUE *l = l; /* silence gcc */
VALUE *v = v; /* silence gcc */
int key = *G.args ? index_in_str_array(keywords, *G.args) + 1 : 0;
if (key == 0) /* not a keyword */
return eval7();
G.args++; /* We have a valid token, so get the next argument. */
@ -320,8 +323,8 @@ static VALUE *eval6(void)
i2 = eval6();
tostring(l);
if (!toarith(i1) || !toarith(i2)
|| i1->u.i > (arith_t) strlen(l->u.s)
|| i1->u.i <= 0 || i2->u.i <= 0)
|| i1->u.i > (arith_t) strlen(l->u.s)
|| i1->u.i <= 0 || i2->u.i <= 0)
v = str_value("");
else {
v = xmalloc(sizeof(VALUE));