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| author | Denys Vlasenko | 2023-06-18 19:13:22 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2023-06-18 19:20:10 +0200 |
| commit | 7701b526a720c4a84839174fe6b084d831ac90c9 (patch) | |
| tree | 036ff61cd36dfdda567223fc627c82987d89a85e | |
| parent | 8309c9159f7d8ee8b0f6f4b401750c5a03a4b0b9 (diff) | |
| download | busybox-7701b526a720c4a84839174fe6b084d831ac90c9.zip busybox-7701b526a720c4a84839174fe6b084d831ac90c9.tar.gz | |
shell/math: code shrink
function old new delta
evaluate_string 1498 1491 -7
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -rw-r--r-- | shell/math.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/shell/math.c b/shell/math.c index cb702b7..6784eee 100644 --- a/shell/math.c +++ b/shell/math.c @@ -363,7 +363,6 @@ arith_apply(arith_state_t *math_state, operator op, var_or_num_t *numstack, var_ /* Pop numstack */ NUMSTACKPTR = top_of_stack; /* this decrements NUMSTACKPTR */ - top_of_stack--; /* now points to left side */ if (math_state->evaluation_disabled) { dbg("binary op %02x skipped", op); @@ -375,6 +374,7 @@ arith_apply(arith_state_t *math_state, operator op, var_or_num_t *numstack, var_ */ } + top_of_stack--; /* now points to left side */ right_side_val = rez; rez = top_of_stack->val; if (op == TOK_BOR || op == TOK_OR_ASSIGN) @@ -703,9 +703,12 @@ evaluate_string(arith_state_t *math_state, const char *expr) if (isdigit(*expr)) { /* Number */ + char *end; numstackptr->var_name = NULL; errno = 0; - numstackptr->val = strto_arith_t(expr, (char**) &expr); + end = (char*) expr; /* separate variable to go on stack */ + numstackptr->val = strto_arith_t(expr, &end); + expr = end; dbg("[%d] val:%lld", (int)(numstackptr - numstack), numstackptr->val); /* A number can't be followed by another number, or a variable name. * We'd catch this later anyway, but this would require numstack[] |