Dactyloidae/ldap/xpcom/src/nsLDAPBERValue.cpp

106 lines
2.4 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsLDAPBERValue.h"
#include "nsMemory.h"
#include "nsStringGlue.h"
NS_IMPL_ISUPPORTS(nsLDAPBERValue, nsILDAPBERValue)
nsLDAPBERValue::nsLDAPBERValue() : mValue(0), mSize(0)
{
}
nsLDAPBERValue::~nsLDAPBERValue()
{
if (mValue) {
free(mValue);
}
}
// void get (out unsigned long aCount,
// [array, size_is (aCount), retval] out octet aRetVal); */
NS_IMETHODIMP
nsLDAPBERValue::Get(uint32_t *aCount, uint8_t **aRetVal)
{
// if mSize = 0, return a count of a 0 and a null pointer
if (mSize) {
// get a buffer to hold a copy of the data
//
uint8_t *array = static_cast<uint8_t *>(moz_xmalloc(mSize));
if (!array) {
return NS_ERROR_OUT_OF_MEMORY;
}
// copy and return
//
memcpy(array, mValue, mSize);
*aRetVal = array;
} else {
*aRetVal = 0;
}
*aCount = mSize;
return NS_OK;
}
// void set(in unsigned long aCount,
// [array, size_is(aCount)] in octet aValue);
NS_IMETHODIMP
nsLDAPBERValue::Set(uint32_t aCount, uint8_t *aValue)
{
// get rid of any old value being held here
//
if (mValue) {
free(mValue);
}
// if this is a non-zero value, allocate a buffer and copy
//
if (aCount) {
// get a buffer to hold a copy of this data
//
mValue = static_cast<uint8_t *>(moz_xmalloc(aCount));
if (!mValue) {
return NS_ERROR_OUT_OF_MEMORY;
}
// copy the data and return
//
memcpy(mValue, aValue, aCount);
} else {
// otherwise just set it to null
//
mValue = 0;
}
mSize = aCount;
return NS_OK;
}
// void setFromUTF8(in AUTF8String aValue);
//
NS_IMETHODIMP
nsLDAPBERValue::SetFromUTF8(const nsACString & aValue)
{
// get rid of any old value being held here
//
if (mValue) {
free(mValue);
}
// copy the data and return
//
mSize = aValue.Length();
if (mSize) {
mValue = reinterpret_cast<uint8_t *>(ToNewCString(aValue));
} else {
mValue = 0;
}
return NS_OK;
}