off_t exfat_seek(struct exfat_dev* dev, off_t offset, int whence);
ssize_t exfat_read(struct exfat_dev* dev, void* buffer, size_t size);
ssize_t exfat_write(struct exfat_dev* dev, const void* buffer, size_t size);
-void exfat_pread(struct exfat_dev* dev, void* buffer, size_t size,
+ssize_t exfat_pread(struct exfat_dev* dev, void* buffer, size_t size,
off_t offset);
-void exfat_pwrite(struct exfat_dev* dev, const void* buffer, size_t size,
+ssize_t exfat_pwrite(struct exfat_dev* dev, const void* buffer, size_t size,
off_t offset);
ssize_t exfat_generic_pread(const struct exfat* ef, struct exfat_node* node,
void* buffer, size_t size, off_t offset);
#endif
}
-void exfat_pread(struct exfat_dev* dev, void* buffer, size_t size,
+ssize_t exfat_pread(struct exfat_dev* dev, void* buffer, size_t size,
off_t offset)
{
#ifdef USE_UBLIO
- if (ublio_pread(dev->ufh, buffer, size, offset) != size)
+ return ublio_pread(dev->ufh, buffer, size, offset);
#else
- if (pread(dev->fd, buffer, size, offset) != size)
+ return pread(dev->fd, buffer, size, offset);
#endif
- exfat_bug("failed to read %zu bytes from file at %"PRIu64, size,
- (uint64_t) offset);
}
-void exfat_pwrite(struct exfat_dev* dev, const void* buffer, size_t size,
+ssize_t exfat_pwrite(struct exfat_dev* dev, const void* buffer, size_t size,
off_t offset)
{
#ifdef USE_UBLIO
- if (ublio_pwrite(dev->ufh, buffer, size, offset) != size)
+ return ublio_pwrite(dev->ufh, buffer, size, offset);
#else
- if (pwrite(dev->fd, buffer, size, offset) != size)
+ return pwrite(dev->fd, buffer, size, offset);
#endif
- exfat_bug("failed to write %zu bytes to file at %"PRIu64, size,
- (uint64_t) offset);
}
ssize_t exfat_generic_pread(const struct exfat* ef, struct exfat_node* node,