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#ifndef PK_PK_STN_H
#define PK_PK_STN_H
#include <errno.h>
#include <limits.h>
#include <math.h>
#include <stdint.h>
#include <stdlib.h>
enum PK_STN_ERR {
PK_STN_ERR_SUCCESS,
PK_STN_ERR_OVERFLOW,
PK_STN_ERR_UNDERFLOW,
PK_STN_ERR_INCONVERTIBLE
};
enum PK_STN_ERR pk_stn_int64_t(int64_t *i, char const *s, int base);
enum PK_STN_ERR pk_stn_uint64_t(uint64_t *i, char const *s, int base);
enum PK_STN_ERR pk_stn_int32_t(int32_t *i, char const *s, int base);
enum PK_STN_ERR pk_stn_uint32_t(uint32_t *i, char const *s, int base);
enum PK_STN_ERR pk_stn_int16_t(int16_t *i, char const *s, int base);
enum PK_STN_ERR pk_stn_uint16_t(uint16_t *i, char const *s, int base);
enum PK_STN_ERR pk_stn_int8_t(int8_t *i, char const *s, int base);
enum PK_STN_ERR pk_stn_uint8_t(uint8_t *i, char const *s, int base);
enum PK_STN_ERR pk_stn_float(float *f, char const *s);
enum PK_STN_ERR pk_stn_double(double *d, char const *s);
enum PK_STN_ERR pk_stn_float_e(float *f, char const *s, char **pEnd);
enum PK_STN_ERR pk_stn_double_e(double *d, char const *s, char **pEnd);
#endif /* PK_PK_STN_H */
#ifdef PK_IMPL_STN
enum PK_STN_ERR
pk_stn_int64_t(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 PK_STN_ERR_OVERFLOW;
}
if (errno == ERANGE && l == LLONG_MIN) {
return PK_STN_ERR_UNDERFLOW;
}
if (*s == '\0' || *end != '\0') {
return PK_STN_ERR_INCONVERTIBLE;
}
*i = l;
return PK_STN_ERR_SUCCESS;
}
enum PK_STN_ERR
pk_stn_uint64_t(uint64_t *i, char const *s, int base)
{
char *end;
unsigned long long l;
errno = 0;
l = strtoull(s, &end, base);
if (errno == ERANGE && l == LLONG_MAX) {
return PK_STN_ERR_OVERFLOW;
}
if (errno == ERANGE && l == LLONG_MIN) {
return PK_STN_ERR_UNDERFLOW;
}
if (*s == '\0' || *end != '\0') {
return PK_STN_ERR_INCONVERTIBLE;
}
*i = l;
return PK_STN_ERR_SUCCESS;
}
enum PK_STN_ERR
pk_stn_int32_t(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 PK_STN_ERR_OVERFLOW;
}
if (errno == ERANGE && l == LONG_MIN) {
return PK_STN_ERR_UNDERFLOW;
}
if (*s == '\0' || *end != '\0') {
return PK_STN_ERR_INCONVERTIBLE;
}
*i = l;
return PK_STN_ERR_SUCCESS;
}
enum PK_STN_ERR
pk_stn_uint32_t(uint32_t *i, char const *s, int base)
{
char *end;
unsigned long l;
errno = 0;
l = strtoul(s, &end, base);
if (errno == ERANGE && l == LONG_MAX) {
return PK_STN_ERR_OVERFLOW;
}
if (errno == ERANGE && l == LONG_MIN) {
return PK_STN_ERR_UNDERFLOW;
}
if (*s == '\0' || *end != '\0') {
return PK_STN_ERR_INCONVERTIBLE;
}
*i = l;
return PK_STN_ERR_SUCCESS;
}
enum PK_STN_ERR
pk_stn_int16_t(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 PK_STN_ERR_OVERFLOW;
}
if (errno == ERANGE && l == LONG_MIN) {
return PK_STN_ERR_UNDERFLOW;
}
if (*s == '\0' || *end != '\0') {
return PK_STN_ERR_INCONVERTIBLE;
}
*i = l;
return PK_STN_ERR_SUCCESS;
}
enum PK_STN_ERR
pk_stn_uint16_t(uint16_t *i, char const *s, int base)
{
char *end;
unsigned long l;
errno = 0;
l = strtoul(s, &end, base);
if (errno == ERANGE && l == LONG_MAX) {
return PK_STN_ERR_OVERFLOW;
}
if (errno == ERANGE && l == LONG_MIN) {
return PK_STN_ERR_UNDERFLOW;
}
if (*s == '\0' || *end != '\0') {
return PK_STN_ERR_INCONVERTIBLE;
}
*i = l;
return PK_STN_ERR_SUCCESS;
}
enum PK_STN_ERR
pk_stn_int8_t(int8_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 PK_STN_ERR_OVERFLOW;
}
if (errno == ERANGE && l == LONG_MIN) {
return PK_STN_ERR_UNDERFLOW;
}
if (*s == '\0' || *end != '\0') {
return PK_STN_ERR_INCONVERTIBLE;
}
*i = l;
return PK_STN_ERR_SUCCESS;
}
enum PK_STN_ERR
pk_stn_uint8_t(uint8_t *i, char const *s, int base)
{
char *end;
unsigned long l;
errno = 0;
l = strtoul(s, &end, base);
if (errno == ERANGE && l == LONG_MAX) {
return PK_STN_ERR_OVERFLOW;
}
if (errno == ERANGE && l == LONG_MIN) {
return PK_STN_ERR_UNDERFLOW;
}
if (*s == '\0' || *end != '\0') {
return PK_STN_ERR_INCONVERTIBLE;
}
*i = l;
return PK_STN_ERR_SUCCESS;
}
enum PK_STN_ERR
pk_stn_float(float *f, char const *s)
{
char *end;
return pk_stn_float_e(f, s, &end);
}
enum PK_STN_ERR
pk_stn_double(double *d, char const *s)
{
char *end;
return pk_stn_double_e(d, s, &end);
}
enum PK_STN_ERR
pk_stn_float_e(float *f, char const *s, char **pEnd)
{
float l;
errno = 0;
l = strtof(s, pEnd);
if (errno == ERANGE && l == HUGE_VALF) {
return PK_STN_ERR_OVERFLOW;
}
if (errno == ERANGE && l == -HUGE_VALF) {
return PK_STN_ERR_UNDERFLOW;
}
if (*s == '\0' || &s == (const char **)pEnd) {
return PK_STN_ERR_INCONVERTIBLE;
}
*f = l;
return PK_STN_ERR_SUCCESS;
}
enum PK_STN_ERR
pk_stn_double_e(double *d, char const *s, char **pEnd)
{
double l;
errno = 0;
l = strtod(s, pEnd);
if (errno == ERANGE && l == HUGE_VAL) {
return PK_STN_ERR_OVERFLOW;
}
if (errno == ERANGE && l == -HUGE_VAL) {
return PK_STN_ERR_UNDERFLOW;
}
if (*s == '\0' || &s == (const char **)pEnd) {
return PK_STN_ERR_INCONVERTIBLE;
}
*d = l;
return PK_STN_ERR_SUCCESS;
}
#endif /* PK_IMPL_STN */
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