50                 ptrdiff_t offset = &hex[m * 3] - hex;  in dump()  local
51                 snprintf(hex + offset, sizeof(hex) - offset, "%02x ",  in dump()
69 static inline bool is_erasure(fec_handle *f, uint64_t offset,  in is_erasure()  argument
72     if (unlikely(offset >= f->data_size)) {  in is_erasure()
80     uint64_t n = offset / FEC_BLOCKSIZE;  in is_erasure()
86 static inline bool is_zero(fec_handle *f, uint64_t offset)  in is_zero()  argument
90     if (hashtree.hash_data.empty() || unlikely(offset >= f->data_size)) {  in is_zero()
94     uint64_t hash_offset = (offset / FEC_BLOCKSIZE) * SHA256_DIGEST_LENGTH;  in is_zero()
107 static int __ecc_read(fec_handle *f, void *rs, uint8_t *dest, uint64_t offset,  in __ecc_read()  argument
110     check(offset % FEC_BLOCKSIZE == 0);  in __ecc_read()
115     uint64_t rsb = offset - (offset / (e->rounds * FEC_BLOCKSIZE)) *  in __ecc_read()
128         if (interleaved == offset) {  in __ecc_read()
235         uint64_t offset, size_t *errors)  in ecc_read()  argument
239     check(offset < f->data_size);  in ecc_read()
240     check(offset + count <= f->data_size);  in ecc_read()
243     debug("[%" PRIu64 ", %" PRIu64 ")", offset, offset + count);  in ecc_read()
252     uint64_t curr = offset / FEC_BLOCKSIZE;  in ecc_read()
253     size_t coff = (size_t)(offset - curr * FEC_BLOCKSIZE);  in ecc_read()
286         uint64_t offset, size_t *errors)  in verity_read()  argument
290     check(offset < f->data_size);  in verity_read()
291     check(offset + count <= f->data_size);  in verity_read()
295     debug("[%" PRIu64 ", %" PRIu64 ")", offset, offset + count);  in verity_read()
304     uint64_t curr = offset / FEC_BLOCKSIZE;  in verity_read()
305     size_t coff = (size_t)(offset - curr * FEC_BLOCKSIZE);  in verity_read()
346                 offset, offset + count, curr);  in verity_read()
350                 offset, offset + count, curr);  in verity_read()
370             offset, offset + count, curr, curr_offset);  in verity_read()
403 int fec_seek(struct fec_handle *f, int64_t offset, int whence)  in fec_seek()  argument
408         if (offset < 0) {  in fec_seek()
413         f->pos = offset;  in fec_seek()
415         if (offset < 0 && f->pos < (uint64_t)-offset) {  in fec_seek()
418         } else if (offset > 0 && (uint64_t)offset > UINT64_MAX - f->pos) {  in fec_seek()
423         f->pos += offset;  in fec_seek()
425         if (offset >= 0) {  in fec_seek()
428         } else if ((uint64_t)-offset > f->size) {  in fec_seek()
433         f->pos = f->size + offset;  in fec_seek()
458 static inline size_t get_max_count(uint64_t offset, size_t count, uint64_t max)  in get_max_count()  argument
460     if (offset >= max) {  in get_max_count()
462     } else if (offset > max - count) {  in get_max_count()
463         return (size_t)(max - offset);  in get_max_count()
471 bool raw_pread(int fd, void *buf, size_t count, uint64_t offset) {  in raw_pread()  argument
478         ssize_t n = TEMP_FAILURE_RETRY(pread64(fd, p, remaining, offset));  in raw_pread()
486         offset += n;  in raw_pread()
493 bool raw_pwrite(int fd, const void *buf, size_t count, uint64_t offset) {  in raw_pwrite()  argument
500         ssize_t n = TEMP_FAILURE_RETRY(pwrite64(fd, p, remaining, offset));  in raw_pwrite()
508         offset += n;  in raw_pwrite()
517         uint64_t offset)  in fec_pread()  argument
522     if (unlikely(offset > UINT64_MAX - count)) {  in fec_pread()
529                        get_max_count(offset, count, f->data_size), offset,  in fec_pread()
534         count = get_max_count(offset, count, f->data_size);  in fec_pread()
535         ssize_t rc = process(f, (uint8_t *)buf, count, offset, ecc_read);  in fec_pread()
544         count = get_max_count(offset, count, f->size);  in fec_pread()
547     if (raw_pread(f->fd, buf, count, offset)) {  in fec_pread()