int rpmcpioStrippedHeaderWrite(rpmcpio_t cpio, int fx, off_t fsize)
{
struct cpioStrippedPhysicalHeader hdr_s;
struct cpioStrippedPhysicalHeader * hdr = &hdr_s;
char field[64];
size_t written;
int rc = 0;
if ((cpio->mode & O_ACCMODE) != O_WRONLY) {
return RPMERR_WRITE_FAILED;
}
if (cpio->fileend != cpio->offset) {
return RPMERR_WRITE_FAILED;
}
rc = rpmcpioWritePad(cpio, 4);
if (rc) {
return rc;
}
SET_NUM_FIELD(hdr->fx, fx, field);
written = Fwrite(CPIO_STRIPPED_MAGIC, 6, 1, cpio->fd);
cpio->offset += written;
if (written != 6) {
return RPMERR_WRITE_FAILED;
}
written = Fwrite(hdr, STRIPPED_PHYS_HDR_SIZE, 1, cpio->fd);
cpio->offset += written;
if (written != STRIPPED_PHYS_HDR_SIZE) {
return RPMERR_WRITE_FAILED;
}
rc = rpmcpioWritePad(cpio, 4);
cpio->fileend = cpio->offset + fsize;
return rc;
}
int cpioHeaderWrite(FSM_t fsm, struct stat * st)
{
struct cpioCrcPhysicalHeader * hdr = (struct cpioCrcPhysicalHeader *)fsm->rdbuf;
char field[64];
size_t len;
dev_t dev;
int rc = 0;
memcpy(hdr->magic, CPIO_NEWC_MAGIC, sizeof(hdr->magic));
SET_NUM_FIELD(hdr->inode, st->st_ino, field);
SET_NUM_FIELD(hdr->mode, st->st_mode, field);
SET_NUM_FIELD(hdr->uid, st->st_uid, field);
SET_NUM_FIELD(hdr->gid, st->st_gid, field);
SET_NUM_FIELD(hdr->nlink, st->st_nlink, field);
SET_NUM_FIELD(hdr->mtime, st->st_mtime, field);
SET_NUM_FIELD(hdr->filesize, st->st_size, field);
dev = major(st->st_dev); SET_NUM_FIELD(hdr->devMajor, dev, field);
dev = minor(st->st_dev); SET_NUM_FIELD(hdr->devMinor, dev, field);
dev = major(st->st_rdev); SET_NUM_FIELD(hdr->rdevMajor, dev, field);
dev = minor(st->st_rdev); SET_NUM_FIELD(hdr->rdevMinor, dev, field);
len = strlen(fsm->path) + 1; SET_NUM_FIELD(hdr->namesize, len, field);
memcpy(hdr->checksum, "00000000", 8);
memcpy(fsm->rdbuf + PHYS_HDR_SIZE, fsm->path, len);
/* XXX DWRITE uses rdnb for I/O length. */
fsm->rdnb = PHYS_HDR_SIZE + len;
rc = fsmNext(fsm, FSM_DWRITE);
if (!rc && fsm->rdnb != fsm->wrnb)
rc = CPIOERR_WRITE_FAILED;
if (!rc)
rc = fsmNext(fsm, FSM_PAD);
return rc;
}
int rpmcpioHeaderWrite(rpmcpio_t cpio, char * path, struct stat * st)
{
struct cpioCrcPhysicalHeader hdr_s;
struct cpioCrcPhysicalHeader * hdr = &hdr_s;
char field[64];
size_t len, written;
dev_t dev;
int rc = 0;
if ((cpio->mode & O_ACCMODE) != O_WRONLY) {
return RPMERR_WRITE_FAILED;
}
if (cpio->fileend != cpio->offset) {
return RPMERR_WRITE_FAILED;
}
if (st->st_size >= CPIO_FILESIZE_MAX) {
return RPMERR_FILE_SIZE;
}
rc = rpmcpioWritePad(cpio, 4);
if (rc) {
return rc;
}
SET_NUM_FIELD(hdr->inode, st->st_ino, field);
SET_NUM_FIELD(hdr->mode, st->st_mode, field);
SET_NUM_FIELD(hdr->uid, st->st_uid, field);
SET_NUM_FIELD(hdr->gid, st->st_gid, field);
SET_NUM_FIELD(hdr->nlink, st->st_nlink, field);
SET_NUM_FIELD(hdr->mtime, st->st_mtime, field);
SET_NUM_FIELD(hdr->filesize, st->st_size, field);
dev = major(st->st_dev); SET_NUM_FIELD(hdr->devMajor, dev, field);
dev = minor(st->st_dev); SET_NUM_FIELD(hdr->devMinor, dev, field);
dev = major(st->st_rdev); SET_NUM_FIELD(hdr->rdevMajor, dev, field);
dev = minor(st->st_rdev); SET_NUM_FIELD(hdr->rdevMinor, dev, field);
len = strlen(path) + 1;
SET_NUM_FIELD(hdr->namesize, len, field);
memcpy(hdr->checksum, "00000000", 8);
written = Fwrite(CPIO_NEWC_MAGIC, 6, 1, cpio->fd);
cpio->offset += written;
if (written != 6) {
return RPMERR_WRITE_FAILED;
}
written = Fwrite(hdr, PHYS_HDR_SIZE, 1, cpio->fd);
cpio->offset += written;
if (written != PHYS_HDR_SIZE) {
return RPMERR_WRITE_FAILED;
}
written = Fwrite(path, len, 1, cpio->fd);
cpio->offset += written;
if (written != len) {
return RPMERR_WRITE_FAILED;
}
rc = rpmcpioWritePad(cpio, 4);
cpio->fileend = cpio->offset + st->st_size;
return rc;
}
