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#include "helpers.hpp"
#include <cerrno>
#include <cstdlib>
#include <climits>
STR2NUM_ERROR str2num(int64_t &i, char const *s, int base) {
char *end;
long long l;
errno = 0;
l = strtoll(s, &end, base);
if (errno == ERANGE && l == LLONG_MAX) {
return OVERFLOW;
}
if (errno == ERANGE && l == LLONG_MIN) {
return UNDERFLOW;
}
if (*s == '\0' || *end != '\0') {
return INCONVERTIBLE;
}
i = l;
return SUCCESS;
}
STR2NUM_ERROR str2num(uint64_t &i, char const *s, int base) {
char *end;
long long l;
errno = 0;
l = strtoull(s, &end, base);
if (errno == ERANGE && l == LLONG_MAX) {
return OVERFLOW;
}
if (errno == ERANGE && l == LLONG_MIN) {
return UNDERFLOW;
}
if (*s == '\0' || *end != '\0') {
return INCONVERTIBLE;
}
i = l;
return SUCCESS;
}
STR2NUM_ERROR str2num(int32_t &i, char const *s, int base) {
char *end;
long l;
errno = 0;
l = strtol(s, &end, base);
if (errno == ERANGE && l == LONG_MAX) {
return OVERFLOW;
}
if (errno == ERANGE && l == LONG_MIN) {
return UNDERFLOW;
}
if (*s == '\0' || *end != '\0') {
return INCONVERTIBLE;
}
i = l;
return SUCCESS;
}
STR2NUM_ERROR str2num(uint32_t &i, char const *s, int base) {
char *end;
long l;
errno = 0;
l = strtoul(s, &end, base);
if (errno == ERANGE && l == LONG_MAX) {
return OVERFLOW;
}
if (errno == ERANGE && l == LONG_MIN) {
return UNDERFLOW;
}
if (*s == '\0' || *end != '\0') {
return INCONVERTIBLE;
}
i = l;
return SUCCESS;
}
STR2NUM_ERROR str2num(int16_t &i, char const *s, int base) {
char *end;
long l;
errno = 0;
l = strtol(s, &end, base);
if (errno == ERANGE && l == LONG_MAX) {
return OVERFLOW;
}
if (errno == ERANGE && l == LONG_MIN) {
return UNDERFLOW;
}
if (*s == '\0' || *end != '\0') {
return INCONVERTIBLE;
}
i = l;
return SUCCESS;
}
STR2NUM_ERROR str2num(uint16_t &i, char const *s, int base) {
char *end;
long l;
errno = 0;
l = strtoul(s, &end, base);
if (errno == ERANGE && l == LONG_MAX) {
return OVERFLOW;
}
if (errno == ERANGE && l == LONG_MIN) {
return UNDERFLOW;
}
if (*s == '\0' || *end != '\0') {
return INCONVERTIBLE;
}
i = l;
return SUCCESS;
}
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