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}
- free
{
fclose(fp);
return [super free];
}
- (char*)readWithSize: (size_t)size
andNItems: (size_t)nitems
{
uint64_t memsize;
char *ret;
if ((memsize = (uint64_t)nitems * size) > 0xFFFFFFFF) {
[OFOverflowException newWithObject: self];
return NULL;
}
ret = [self getMem: (size_t)memsize];
if (fread(ret, size, nitems, fp) <= 0 && !feof(fp)) {
[self freeMem: ret];
[OFReadFailedException newWithObject: self
andSize: size
andNItems: nitems];
return NULL;
}
return ret;
}
@end
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}
- free
{
fclose(fp);
return [super free];
}
- (BOOL)isEndOfFile
{
return feof(fp);
}
- (size_t)readIntoBuffer: (char*)buf
withSize: (size_t)size
andNItems: (size_t)nitems
{
size_t ret;
if ((ret = fread(buf, size, nitems, fp)) == 0 && ![self isEndOfFile])
[OFReadFailedException newWithObject: self
andSize: size
andNItems: nitems];
return ret;
}
- (char*)readWithSize: (size_t)size
andNItems: (size_t)nitems
{
uint64_t memsize;
char *ret;
if (size >= 0xFFFFFFFF || nitems >= 0xFFFFFFFF ||
(memsize = (uint64_t)nitems * size) > 0xFFFFFFFF) {
[OFOverflowException newWithObject: self];
return NULL;
}
ret = [self getMem: (size_t)memsize];
@try {
[self readIntoBuffer: ret
withSize: size
andNItems: nitems];
} @catch (OFReadFailedException *e) {
[self freeMem: ret];
@throw e;
return NULL;
}
return ret;
}
- (size_t)writeBuffer: (char*)buf
withSize: (size_t)size
andNItems: (size_t)nitems
{
size_t ret;
if ((ret = fwrite(buf, size, nitems, fp)) == 0 &&
size != 0 && nitems != 0)
[OFWriteFailedException newWithObject: self
andSize: size
andNItems: nitems];
return ret;
}
@end
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