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//===-- StringConvert.cpp ---------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// C Includes
#include <stdlib.h>
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/Host/StringConvert.h"
namespace lldb_private
{
namespace StringConvert
{
int32_t
ToSInt32 (const char *s, int32_t fail_value, int base, bool *success_ptr)
{
if (s && s[0])
{
char *end = nullptr;
const long sval = ::strtol (s, &end, base);
if (*end == '\0')
{
if (success_ptr)
*success_ptr = ((sval <= INT32_MAX) && (sval >= INT32_MIN));
return (int32_t)sval; // All characters were used, return the result
}
}
if (success_ptr)
*success_ptr = false;
return fail_value;
}
uint32_t
ToUInt32 (const char *s, uint32_t fail_value, int base, bool *success_ptr)
{
if (s && s[0])
{
char *end = nullptr;
const unsigned long uval = ::strtoul (s, &end, base);
if (*end == '\0')
{
if (success_ptr)
*success_ptr = (uval <= UINT32_MAX);
return (uint32_t)uval; // All characters were used, return the result
}
}
if (success_ptr)
*success_ptr = false;
return fail_value;
}
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;
}
}
}
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