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util: remove dead RzNum code

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Anton Kochkov 2023-08-11 16:22:03 +08:00 committed by Anton Kochkov
parent e3617f7981
commit 3b3de3b66c
1 changed files with 0 additions and 102 deletions
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102
librz/util/unum.c
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@ -4,7 +4,6 @@
#include <errno.h>
#include <math.h> /* for ceill */
#include <rz_util.h>
#define RZ_NUM_USE_CALC 1
static ut64 rz_num_tailff(RzNum *num, const char *hex);
@ -235,9 +234,6 @@ RZ_API const char *rz_num_get_name(RzNum *num, ut64 n) {
static void error(RzNum *num, const char *err_str) {
if (num) {
num->nc.errors++;
#if 0
num->nc.calc_err = err_str;
#endif
}
}
@ -468,13 +464,6 @@ RZ_API ut64 rz_num_get(RZ_NULLABLE RzNum *num, RZ_NULLABLE const char *str) {
}
break;
default:
#if 0
// sscanf (str, "%"PFMT64d"%n", &ret, &chars_read);
// 32bit chop
#if __WINDOWS__
ret = _strtoui64 (str, &endptr, 10);
#endif
#endif
errno = 0;
ret = strtoull(str, &endptr, 10);
if (errno == ERANGE) {
@ -492,41 +481,6 @@ RZ_API ut64 rz_num_get(RZ_NULLABLE RzNum *num, RZ_NULLABLE const char *str) {
return ret;
}
#if !RZ_NUM_USE_CALC
static ut64 rz_num_op(RzNum *num, char op, ut64 a, ut64 b) {
switch (op) {
case '+': return a + b;
case '-': return a - b;
case '*': return a * b;
case '/':
if (!b && num)
num->dbz = 1;
return b ? a / b : 0;
case '&': return a & b;
case '|': return a | b;
case '^': return a ^ b;
}
return b;
}
RZ_API static ut64 rz_num_math_internal(RzNum *num, char *s) {
ut64 ret = 0LL;
char *p = s;
int i, nop, op = 0;
for (i = 0; s[i]; i++) {
if (rz_num_is_op(s[i])) {
nop = s[i];
s[i] = '\0';
ret = rz_num_op(num, op, ret, rz_num_get(num, p));
op = s[i] = nop;
p = s + i + 1;
break;
}
}
return rz_num_op(op, ret, rz_num_get(num, p));
}
#endif /* !RZ_NUM_USE_CALC */
/**
* \brief Compute an numerical expression.
*
@ -535,7 +489,6 @@ RZ_API static ut64 rz_num_math_internal(RzNum *num, char *s) {
* \return Evaluated expression's value.
**/
RZ_API ut64 rz_num_math(RzNum *num, const char *str) {
#if RZ_NUM_USE_CALC
ut64 ret;
const char *err = NULL;
if (!str || !*str) {
@ -553,61 +506,6 @@ RZ_API ut64 rz_num_math(RzNum *num, const char *str) {
num->value = ret;
}
return ret;
#else
ut64 ret = 0LL;
char op = '+';
int len;
char *p, *s, *os;
char *group;
if (!str)
return 0LL;
len = strlen(str) + 1;
os = malloc(len + 1);
s = os;
memcpy(s, str, len);
for (; *s == ' '; s++)
;
p = s;
do {
group = strchr(p, '(');
if (group) {
group[0] = '\0';
ret = rz_num_op(op, ret, rz_num_math_internal(num, p));
for (; p < group; p += 1) {
if (rz_num_is_op(*p)) {
op = *p;
break;
}
}
group[0] = '(';
p = group + 1;
if (rz_str_delta(p, '(', ')') < 0) {
char *p2 = strchr(p, '(');
if (p2 != NULL) {
*p2 = '\0';
ret = rz_num_op(op, ret, rz_num_math_internal(num, p));
ret = rz_num_op(op, ret, rz_num_math(num, p2 + 1));
p = p2 + 1;
continue;
}
eprintf("something really bad has happened! can't find '('\n");
} else {
ret = rz_num_op(op, ret, rz_num_math_internal(num, p));
}
} else {
ret = rz_num_op(op, ret, rz_num_math_internal(num, p));
}
} while (0);
if (num) {
num->value = ret;
}
free(os);
return ret;
#endif
}
/**