From 10cce8ae35654585a09d6e839dd502f04b81599d Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Sun, 18 Jun 2023 19:30:22 +0200 Subject: shell/math: explain why we use separate &end Signed-off-by: Denys Vlasenko --- shell/math.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'shell') diff --git a/shell/math.c b/shell/math.c index 6784eee..0b30e08 100644 --- a/shell/math.c +++ b/shell/math.c @@ -706,7 +706,7 @@ evaluate_string(arith_state_t *math_state, const char *expr) char *end; numstackptr->var_name = NULL; errno = 0; - end = (char*) expr; /* separate variable to go on stack */ + /* code is smaller compared to using &expr here: */ numstackptr->val = strto_arith_t(expr, &end); expr = end; dbg("[%d] val:%lld", (int)(numstackptr - numstack), numstackptr->val); -- cgit v1.1