void fxcharheap::replace(
off_t id, // input: heap offset
const char* buf, // input: string
uint32_t start_offset, // input: starting offset
uint32_t len) // input: length
{
// check if we have enough room
if (strlen(&data[id]) < len) {
ioexception("insufficient space for replace");
}
try {
memcpy(&data[id], &buf[start_offset], len);
data[id+len] = 0;
} catch (...) {
ioexception("exception in memcpy");
}
}
void ExceptionTest::testConstructor() {
std::string mymessage = "the message";
ims::Exception exception(mymessage);
CPPUNIT_ASSERT_EQUAL(0, exception.message().compare(mymessage));
ims::IOException ioexception(mymessage);
CPPUNIT_ASSERT_EQUAL(0, ioexception.message().compare(mymessage));
}
void fxcharheap::get(
off_t id, // input: heap offset
char* buf, // output: buffer
uint32_t output_offset, // input: output buffer offset
uint32_t maxlen) const // input: maximum output size, truncate
{
try {
uint32_t len = (uint32_t)strlen(&data[id]);
if (maxlen < len+1) len = maxlen-1;
memcpy(&buf[output_offset], &data[id], len+1); // include the trailing 0
} catch (...) {
ioexception("exception in memcpy");
}
}
void fxcharheap::get0(
long id, // input: heap offset
char* buf, // output: buffer
uint32_t output_offset, // input: output buffer offset
uint32_t maxlen) const // input: maximum output size, truncate
{
try {
uint32_t len = (uint32_t)strlen(&data[id]);
if (len > (maxlen - 1)) len = maxlen-1;
memcpy(&buf[output_offset], &data[id], len);
buf [output_offset + len] = 0;
} catch (...) {
ioexception("exception in memcpy");
}
}
off_t fxcharheap::put( // return the target offset
const char* buf, // input: string
uint32_t start_offset, // input: starting offset
uint32_t len) // input: length
{
off_t id = *offset_p;
try {
while (id+len+1 > fxary_p->get_eofoff()) expand();
memcpy(&data[id], &buf[start_offset], len);
data[id+len] = 0;
} catch (...) {
ioexception("exception in expanding before put()");
}
*offset_p += (len+1);
return id;
}
