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//===-- StringConvert.cpp -------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include <cstdlib>
#include "StringConvert.h"
namespace StringConvert {
int64_t ToSInt64(const char *s, int64_t fail_value, int base,
bool *success_ptr) {
if (s && s[0]) {
char *end = nullptr;
int64_t uval = ::strtoll(s, &end, base);
if (*end == '\0') {
if (success_ptr)
*success_ptr = true;
return uval; // All characters were used, return the result
}
}
if (success_ptr)
*success_ptr = false;
return fail_value;
}
uint64_t ToUInt64(const char *s, uint64_t fail_value, int base,
bool *success_ptr) {
if (s && s[0]) {
char *end = nullptr;
uint64_t uval = ::strtoull(s, &end, base);
if (*end == '\0') {
if (success_ptr)
*success_ptr = true;
return uval; // All characters were used, return the result
}
}
if (success_ptr)
*success_ptr = false;
return fail_value;
}
double ToDouble(const char *s, double fail_value, bool *success_ptr) {
if (s && s[0]) {
char *end = nullptr;
double val = strtod(s, &end);
if (*end == '\0') {
if (success_ptr)
*success_ptr = true;
return val; // All characters were used, return the result
}
}
if (success_ptr)
*success_ptr = false;
return fail_value;
}
} // namespace StringConvert
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