From: Denys Vlasenko Date: Sat, 29 Dec 2018 13:52:30 +0000 (+0100) Subject: bc: remove special-cased assignment to ibase, it works correctly with general rules X-Git-Tag: 1_30_0~3 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=374d2c47ec956b43ced2879cd8305db616625103;p=oweals%2Fbusybox.git bc: remove special-cased assignment to ibase, it works correctly with general rules function old new delta zxc_program_print 683 681 -2 zxc_program_prep 91 89 -2 zxc_program_copyToVar 300 298 -2 zdc_program_printStream 146 144 -2 zdc_program_execStr 520 518 -2 zdc_program_asciify 370 368 -2 zxc_program_exec 4016 4012 -4 zdc_program_modexp 694 688 -6 zxc_program_num 1020 995 -25 zxc_program_binOpPrep 306 243 -63 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/10 up/down: 0/-110) Total: -110 bytes Signed-off-by: Denys Vlasenko --- diff --git a/miscutils/bc.c b/miscutils/bc.c index cc15a8dd2..500d97123 100644 --- a/miscutils/bc.c +++ b/miscutils/bc.c @@ -5092,7 +5092,7 @@ static BcVec* xc_program_search(char *id, bool var) } // 'num' need not be initialized on entry -static BC_STATUS zxc_program_num(BcResult *r, BcNum **num, bool hex) +static BC_STATUS zxc_program_num(BcResult *r, BcNum **num) { switch (r->t) { case XC_RESULT_STR: @@ -5105,7 +5105,6 @@ static BC_STATUS zxc_program_num(BcResult *r, BcNum **num, bool hex) case XC_RESULT_CONSTANT: { BcStatus s; char *str; - unsigned base_t; size_t len; str = *xc_program_const(r->d.id.idx); @@ -5113,9 +5112,7 @@ static BC_STATUS zxc_program_num(BcResult *r, BcNum **num, bool hex) bc_num_init(&r->d.n, len); - hex = hex && len == 1; - base_t = hex ? 16 : G.prog.ib_t; - s = zxc_num_parse(&r->d.n, str, base_t); + s = zxc_num_parse(&r->d.n, str, G.prog.ib_t); if (s) { bc_num_free(&r->d.n); RETURN_STATUS(s); @@ -5162,7 +5159,6 @@ static BC_STATUS zxc_program_binOpPrep(BcResult **l, BcNum **ln, BcResult **r, BcNum **rn, bool assign) { BcStatus s; - bool hex; BcResultType lt, rt; if (!STACK_HAS_MORE_THAN(&G.prog.results, 1)) @@ -5171,19 +5167,18 @@ static BC_STATUS zxc_program_binOpPrep(BcResult **l, BcNum **ln, *r = bc_vec_item_rev(&G.prog.results, 0); *l = bc_vec_item_rev(&G.prog.results, 1); - lt = (*l)->t; - rt = (*r)->t; - hex = assign && (lt == XC_RESULT_IBASE || lt == XC_RESULT_OBASE); - - s = zxc_program_num(*l, ln, false); + s = zxc_program_num(*l, ln); if (s) RETURN_STATUS(s); - s = zxc_program_num(*r, rn, hex); + s = zxc_program_num(*r, rn); if (s) RETURN_STATUS(s); + lt = (*l)->t; + rt = (*r)->t; + // We run this again under these conditions in case any vector has been // reallocated out from under the BcNums or arrays we had. if (lt == rt && (lt == XC_RESULT_VAR || lt == XC_RESULT_ARRAY_ELEM)) { - s = zxc_program_num(*l, ln, false); + s = zxc_program_num(*l, ln); if (s) RETURN_STATUS(s); } @@ -5212,7 +5207,7 @@ static BC_STATUS zxc_program_prep(BcResult **r, BcNum **n) RETURN_STATUS(bc_error_stack_has_too_few_elements()); *r = bc_vec_top(&G.prog.results); - s = zxc_program_num(*r, n, false); + s = zxc_program_num(*r, n); if (s) RETURN_STATUS(s); if (!BC_PROG_NUM((*r), (*n))) @@ -5590,7 +5585,7 @@ static BC_STATUS zxc_program_print(char inst, size_t idx) RETURN_STATUS(bc_error_stack_has_too_few_elements()); r = bc_vec_item_rev(&G.prog.results, idx); - s = zxc_program_num(r, &num, false); + s = zxc_program_num(r, &num); if (s) RETURN_STATUS(s); if (BC_PROG_NUM(r, num)) { @@ -5739,7 +5734,7 @@ static BC_STATUS zxc_program_copyToVar(char *name, bool var) RETURN_STATUS(zdc_program_assignStr(ptr, v, true)); #endif - s = zxc_program_num(ptr, &n, false); + s = zxc_program_num(ptr, &n); if (s) RETURN_STATUS(s); // Do this once more to make sure that pointers were not invalidated. @@ -6031,7 +6026,7 @@ static BC_STATUS zbc_program_return(char inst) BcNum *num; BcResult *operand = bc_vec_top(&G.prog.results); - s = zxc_program_num(operand, &num, false); + s = zxc_program_num(operand, &num); if (s) RETURN_STATUS(s); bc_num_init(&res.d.n, num->len); bc_num_copy(&res.d.n, num); @@ -6087,7 +6082,7 @@ static BC_STATUS zxc_program_builtin(char inst) RETURN_STATUS(bc_error_stack_has_too_few_elements()); opnd = bc_vec_top(&G.prog.results); - s = zxc_program_num(opnd, &num, false); + s = zxc_program_num(opnd, &num); if (s) RETURN_STATUS(s); #if ENABLE_DC @@ -6163,7 +6158,7 @@ static BC_STATUS zdc_program_modexp(void) if (s) RETURN_STATUS(s); r1 = bc_vec_item_rev(&G.prog.results, 2); - s = zxc_program_num(r1, &n1, false); + s = zxc_program_num(r1, &n1); if (s) RETURN_STATUS(s); if (!BC_PROG_NUM(r1, n1)) RETURN_STATUS(bc_error_variable_is_wrong_type()); @@ -6171,11 +6166,11 @@ static BC_STATUS zdc_program_modexp(void) // Make sure that the values have their pointers updated, if necessary. if (r1->t == XC_RESULT_VAR || r1->t == XC_RESULT_ARRAY_ELEM) { if (r1->t == r2->t) { - s = zxc_program_num(r2, &n2, false); + s = zxc_program_num(r2, &n2); if (s) RETURN_STATUS(s); } if (r1->t == r3->t) { - s = zxc_program_num(r3, &n3, false); + s = zxc_program_num(r3, &n3); if (s) RETURN_STATUS(s); } } @@ -6220,7 +6215,7 @@ static BC_STATUS zdc_program_asciify(void) RETURN_STATUS(bc_error_stack_has_too_few_elements()); r = bc_vec_top(&G.prog.results); - s = zxc_program_num(r, &num, false); + s = zxc_program_num(r, &num); if (s) RETURN_STATUS(s); if (BC_PROG_NUM(r, num)) { @@ -6284,7 +6279,7 @@ static BC_STATUS zdc_program_printStream(void) RETURN_STATUS(bc_error_stack_has_too_few_elements()); r = bc_vec_top(&G.prog.results); - s = zxc_program_num(r, &n, false); + s = zxc_program_num(r, &n); if (s) RETURN_STATUS(s); if (BC_PROG_NUM(r, n)) { @@ -6379,7 +6374,7 @@ static BC_STATUS zdc_program_execStr(char *code, size_t *bgn, bool cond) sidx = r->d.id.idx; } else if (r->t == XC_RESULT_VAR) { BcNum *n; - s = zxc_program_num(r, &n, false); + s = zxc_program_num(r, &n); if (s || !BC_PROG_STR(n)) goto exit; sidx = n->rdx; } else