static ut64 __lseek(RIO *io, RIODesc *fd, ut64 offset, int whence) {
switch (whence) {
case SEEK_SET: return offset;
case SEEK_CUR: return io->off + offset;
case SEEK_END: return RIOHTTP_SZ (fd);
}
return offset;
}
static int __write(struct r_io_t *io, RIODesc *fd, const ut8 *buf, int count) {
if (fd == NULL || fd->data == NULL)
return -1;
if (io->off+count >= RIOHTTP_SZ (fd))
return -1;
memcpy (RIOHTTP_BUF (fd)+io->off, buf, count);
return count;
}
static int __write(RIO *io, RIODesc *fd, const ut8 *buf, int count) {
if (!fd || !fd->data) {
return -1;
}
if (io->off + count > RIOHTTP_SZ (fd)) {
return -1;
}
memcpy (RIOHTTP_BUF (fd)+io->off, buf, count);
return count;
}
static int __read(struct r_io_t *io, RIODesc *fd, ut8 *buf, int count) {
int sz = RIOHTTP_SZ (fd);
if (fd == NULL || fd->data == NULL)
return -1;
if (io->off >= sz)
return -1;
if (io->off+count >= sz)
count = sz-io->off;
memcpy (buf, RIOHTTP_BUF (fd)+io->off, count);
return count;
}
static int __read(RIO *io, RIODesc *fd, ut8 *buf, int count) {
unsigned int sz;
if (!fd || !fd->data) {
return -1;
}
sz = RIOHTTP_SZ (fd);
if (io->off >= sz) {
return -1;
}
if (io->off + count >= sz) {
count = sz - io->off;
}
memcpy (buf, RIOHTTP_BUF (fd) + io->off, count);
return count;
}