10cce8ae3
Denys Vlasenko
2023-06-18
Subject
shell/math: explain why we use separate &end
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shell/math.c+1 -1
| @@ -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); | |