[git commit] shell/math: explain why we use separate &end
Denys Vlasenko
vda.linux at googlemail.com
Sun Jun 18 17:30:22 UTC 2023
commit: https://git.busybox.net/busybox/commit/?id=10cce8ae35654585a09d6e839dd502f04b81599d
branch: https://git.busybox.net/busybox/commit/?id=refs/heads/master
Signed-off-by: Denys Vlasenko <vda.linux at googlemail.com>
---
shell/math.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/shell/math.c b/shell/math.c
index 6784eeeb0..0b30e089d 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);
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