diff options
author | tsoome <tsoome@FreeBSD.org> | 2017-02-06 22:03:07 +0000 |
---|---|---|
committer | tsoome <tsoome@FreeBSD.org> | 2017-02-06 22:03:07 +0000 |
commit | 006a0cfe945c637c15dd643888c8f6c8ae3127e9 (patch) | |
tree | 0692ec06cb70c32b853dcfb84df9b3f6f787b2d2 /lib/libstand | |
parent | c24e6785098821c4aaf0b543dc091bc2e4e67503 (diff) | |
download | FreeBSD-src-006a0cfe945c637c15dd643888c8f6c8ae3127e9.zip FreeBSD-src-006a0cfe945c637c15dd643888c8f6c8ae3127e9.tar.gz |
MFC r309369,310850,310853:
libstand: dosfs cstyle cleanup for return keyword.
dosfs support in libstand is broken since r298230
PR: 214423
Submitted by: Mikhail Kupchik
Reported by: Mikhail Kupchik
Approved by: imp (mentor)
Diffstat (limited to 'lib/libstand')
-rw-r--r-- | lib/libstand/cd9660.c | 10 | ||||
-rw-r--r-- | lib/libstand/dosfs.c | 142 | ||||
-rw-r--r-- | lib/libstand/ext2fs.c | 12 | ||||
-rw-r--r-- | lib/libstand/nandfs.c | 4 | ||||
-rw-r--r-- | lib/libstand/read.c | 2 | ||||
-rw-r--r-- | lib/libstand/stand.h | 2 | ||||
-rw-r--r-- | lib/libstand/ufs.c | 14 | ||||
-rw-r--r-- | lib/libstand/write.c | 2 |
8 files changed, 87 insertions, 101 deletions
diff --git a/lib/libstand/cd9660.c b/lib/libstand/cd9660.c index 5d9b57b..d020e76 100644 --- a/lib/libstand/cd9660.c +++ b/lib/libstand/cd9660.c @@ -143,7 +143,7 @@ susp_lookup_record(struct open_file *f, const char *identifier, if (bcmp(sh->type, SUSP_CONTINUATION, 2) == 0) { shc = (ISO_RRIP_CONT *)sh; error = f->f_dev->dv_strategy(f->f_devdata, F_READ, - cdb2devb(isonum_733(shc->location)), 0, + cdb2devb(isonum_733(shc->location)), ISO_DEFAULT_BLOCK_SIZE, susp_buffer, &read); /* Bail if it fails. */ @@ -288,7 +288,7 @@ cd9660_open(const char *path, struct open_file *f) for (bno = 16;; bno++) { twiddle(1); rc = f->f_dev->dv_strategy(f->f_devdata, F_READ, cdb2devb(bno), - 0, ISO_DEFAULT_BLOCK_SIZE, buf, &read); + ISO_DEFAULT_BLOCK_SIZE, buf, &read); if (rc) goto out; if (read != ISO_DEFAULT_BLOCK_SIZE) { @@ -322,7 +322,7 @@ cd9660_open(const char *path, struct open_file *f) twiddle(1); rc = f->f_dev->dv_strategy (f->f_devdata, F_READ, - cdb2devb(bno + boff), 0, + cdb2devb(bno + boff), ISO_DEFAULT_BLOCK_SIZE, buf, &read); if (rc) @@ -381,7 +381,7 @@ cd9660_open(const char *path, struct open_file *f) bno = isonum_733(rec.extent) + isonum_711(rec.ext_attr_length); twiddle(1); rc = f->f_dev->dv_strategy(f->f_devdata, F_READ, cdb2devb(bno), - 0, ISO_DEFAULT_BLOCK_SIZE, buf, &read); + ISO_DEFAULT_BLOCK_SIZE, buf, &read); if (rc) goto out; if (read != ISO_DEFAULT_BLOCK_SIZE) { @@ -438,7 +438,7 @@ buf_read_file(struct open_file *f, char **buf_p, size_t *size_p) twiddle(16); rc = f->f_dev->dv_strategy(f->f_devdata, F_READ, - cdb2devb(blkno), 0, ISO_DEFAULT_BLOCK_SIZE, + cdb2devb(blkno), ISO_DEFAULT_BLOCK_SIZE, fp->f_buf, &read); if (rc) return (rc); diff --git a/lib/libstand/dosfs.c b/lib/libstand/dosfs.c index 0ab5b97..859a28d 100644 --- a/lib/libstand/dosfs.c +++ b/lib/libstand/dosfs.c @@ -154,7 +154,7 @@ static int fatcnt(DOS_FS *, u_int); static int fatget(DOS_FS *, u_int *); static int fatend(u_int, u_int); static int ioread(DOS_FS *, u_int, void *, u_int); -static int ioget(struct open_file *, daddr_t, size_t, void *, u_int); +static int ioget(struct open_file *, daddr_t, void *, u_int); static void dos_read_fat(DOS_FS *fs, struct open_file *fd) @@ -172,7 +172,7 @@ dos_read_fat(DOS_FS *fs, struct open_file *fd) fat.buf = malloc(secbyt(fs->spf)); if (fat.buf != NULL) { - if (ioget(fd, fs->lsnfat, 0, fat.buf, secbyt(fs->spf)) == 0) { + if (ioget(fd, fs->lsnfat, fat.buf, secbyt(fs->spf)) == 0) { fat.size = fs->spf; fat.unit = dd->d_unit; return; @@ -199,12 +199,12 @@ dos_mount(DOS_FS *fs, struct open_file *fd) fs->fd = fd; if ((err = !(buf = malloc(secbyt(1))) ? errno : 0) || - (err = ioget(fs->fd, 0, 0, buf, secbyt(1))) || + (err = ioget(fs->fd, 0, buf, secbyt(1))) || (err = parsebs(fs, (DOS_BS *)buf))) { if (buf != NULL) free(buf); (void)dosunmount(fs); - return(err); + return (err); } free(buf); @@ -219,7 +219,7 @@ dos_mount(DOS_FS *fs, struct open_file *fd) fs->root.dex.h_clus[0] = (fs->rdcl >> 16) & 0xff; fs->root.dex.h_clus[1] = (fs->rdcl >> 24) & 0xff; } - return 0; + return (0); } /* @@ -231,10 +231,10 @@ dos_unmount(DOS_FS *fs) int err; if (fs->links) - return(EBUSY); + return (EBUSY); if ((err = dosunmount(fs))) - return(err); - return 0; + return (err); + return (0); } /* @@ -244,7 +244,7 @@ static int dosunmount(DOS_FS *fs) { free(fs); - return(0); + return (0); } /* @@ -285,7 +285,7 @@ dos_open(const char *path, struct open_file *fd) fd->f_fsdata = (void *)f; out: - return(err); + return (err); } /* @@ -307,7 +307,7 @@ dos_read(struct open_file *fd, void *buf, size_t nbyte, size_t *resid) twiddle(4); nb = (u_int)nbyte; if ((size = fsize(f->fs, &f->de)) == -1) - return EINVAL; + return (EINVAL); if (nb > (n = size - f->offset)) nb = n; off = f->offset; @@ -344,7 +344,7 @@ dos_read(struct open_file *fd, void *buf, size_t nbyte, size_t *resid) out: if (resid) *resid = nbyte - nb + cnt; - return(err); + return (err); } /* @@ -370,16 +370,16 @@ dos_seek(struct open_file *fd, off_t offset, int whence) break; default: errno = EINVAL; - return(-1); + return (-1); } off += offset; if (off < 0 || off > size) { errno = EINVAL; - return(-1); + return (-1); } f->offset = (u_int)off; f->c = 0; - return(off); + return (off); } /* @@ -394,7 +394,7 @@ dos_close(struct open_file *fd) f->fs->links--; free(f); dos_unmount(fs); - return 0; + return (0); } /* @@ -411,7 +411,7 @@ dos_stat(struct open_file *fd, struct stat *sb) sb->st_uid = 0; sb->st_gid = 0; if ((sb->st_size = fsize(f->fs, &f->de)) == -1) - return EINVAL; + return (EINVAL); return (0); } @@ -501,7 +501,7 @@ dos_readdir(struct open_file *fd, struct dirent *d) d->d_reclen = sizeof(*d); d->d_type = (dd.de.attr & FA_DIR) ? DT_DIR : DT_REG; memcpy(d->d_name, fn, sizeof(d->d_name)); - return(0); + return (0); } /* @@ -516,41 +516,41 @@ parsebs(DOS_FS *fs, DOS_BS *bs) bs->jmp[0] != 0xe9 && (bs->jmp[0] != 0xeb || bs->jmp[2] != 0x90)) || bs->bpb.media < 0xf0) - return EINVAL; + return (EINVAL); if (cv2(bs->bpb.secsiz) != SECSIZ) - return EINVAL; + return (EINVAL); if (!(fs->spc = bs->bpb.spc) || fs->spc & (fs->spc - 1)) - return EINVAL; + return (EINVAL); fs->bsize = secbyt(fs->spc); fs->bshift = ffs(fs->bsize) - 1; if ((fs->spf = cv2(bs->bpb.spf))) { if (bs->bpb.fats != 2) - return EINVAL; + return (EINVAL); if (!(fs->dirents = cv2(bs->bpb.dirents))) - return EINVAL; + return (EINVAL); } else { if (!(fs->spf = cv4(bs->bpb.lspf))) - return EINVAL; + return (EINVAL); if (!bs->bpb.fats || bs->bpb.fats > 16) - return EINVAL; + return (EINVAL); if ((fs->rdcl = cv4(bs->bpb.rdcl)) < LOCLUS) - return EINVAL; + return (EINVAL); } if (!(fs->lsnfat = cv2(bs->bpb.ressec))) - return EINVAL; + return (EINVAL); fs->lsndir = fs->lsnfat + fs->spf * bs->bpb.fats; fs->lsndta = fs->lsndir + entsec(fs->dirents); if (!(sc = cv2(bs->bpb.secs)) && !(sc = cv4(bs->bpb.lsecs))) - return EINVAL; + return (EINVAL); if (fs->lsndta > sc) - return EINVAL; + return (EINVAL); if ((fs->xclus = secblk(fs, sc - fs->lsndta) + 1) < LOCLUS) - return EINVAL; + return (EINVAL); fs->fatsz = fs->dirents ? fs->xclus < 0xff6 ? 12 : 16 : 32; sc = (secbyt(fs->spf) << 1) / (fs->fatsz >> 2) - 1; if (fs->xclus > sc) fs->xclus = sc; - return 0; + return (0); } /* @@ -575,17 +575,17 @@ namede(DOS_FS *fs, const char *path, DOS_DE **dep) if (!(s = strchr(path, '/'))) s = strchr(path, 0); if ((n = s - path) > 255) - return ENAMETOOLONG; + return (ENAMETOOLONG); memcpy(name, path, n); name[n] = 0; path = s; if (!(de->attr & FA_DIR)) - return ENOTDIR; + return (ENOTDIR); if ((err = lookup(fs, stclus(fs->fatsz, de), name, &de))) - return err; + return (err); } *dep = de; - return 0; + return (0); } /* @@ -604,7 +604,7 @@ lookup(DOS_FS *fs, u_int clus, const char *name, DOS_DE **dep) for (ent = 0; ent < 2; ent++) if (!strcasecmp(name, dotstr[ent])) { *dep = dot + ent; - return 0; + return (0); } if (!clus && fs->fatsz == 32) clus = fs->rdcl; @@ -617,13 +617,13 @@ lookup(DOS_FS *fs, u_int clus, const char *name, DOS_DE **dep) else if (okclus(fs, clus)) lsec = blklsn(fs, clus); else - return EINVAL; + return (EINVAL); for (sec = 0; sec < nsec; sec++) { - if ((err = ioget(fs->fd, lsec + sec, 0, dir, secbyt(1)))) - return err; + if ((err = ioget(fs->fd, lsec + sec, dir, secbyt(1)))) + return (err); for (ent = 0; ent < DEPSEC; ent++) { if (!*dir[ent].de.name) - return ENOENT; + return (ENOENT); if (*dir[ent].de.name != 0xe5) { if ((dir[ent].de.attr & FA_MASK) == FA_XDE) { x = dir[ent].xde.seq; @@ -651,7 +651,7 @@ lookup(DOS_FS *fs, u_int clus, const char *name, DOS_DE **dep) } if (ok) { *dep = &dir[ent].de; - return 0; + return (0); } } } @@ -661,11 +661,11 @@ lookup(DOS_FS *fs, u_int clus, const char *name, DOS_DE **dep) if (!clus) break; if ((err = fatget(fs, &clus))) - return err; + return (err); if (fatend(fs->fatsz, clus)) break; } - return ENOENT; + return (ENOENT); } /* @@ -739,11 +739,11 @@ fsize(DOS_FS *fs, DOS_DE *de) size = fs->dirents * sizeof(DOS_DE); else { if ((n = fatcnt(fs, c)) == -1) - return n; + return (n); size = blkbyt(fs, n); } } - return size; + return (size); } /* @@ -756,8 +756,8 @@ fatcnt(DOS_FS *fs, u_int c) for (n = 0; okclus(fs, c); n++) if (fatget(fs, &c)) - return -1; - return fatend(fs->fatsz, c) ? n : -1; + return (-1); + return (fatend(fs->fatsz, c) ? n : -1); } /* @@ -768,8 +768,7 @@ static int fatget(DOS_FS *fs, u_int *c) { u_char buf[4]; - u_char *s; - u_int x, offset, off, n, nbyte, lsec; + u_int x, offset, n, nbyte; struct devdesc *dd = fs->fd->f_devdata; int err = 0; @@ -783,25 +782,9 @@ fatget(DOS_FS *fs, u_int *c) offset = fatoff(fs->fatsz, *c); nbyte = fs->fatsz != 32 ? 2 : 4; - s = buf; - if ((off = offset & (SECSIZ - 1))) { - offset -= off; - lsec = bytsec(offset); - offset += SECSIZ; - if ((n = SECSIZ - off) > nbyte) - n = nbyte; - memcpy(s, fat.buf + secbyt(lsec) + off, n); - s += n; - nbyte -= n; - } - n = nbyte & (SECSIZ - 1); - if (nbyte -= n) { - memcpy(s, fat.buf + secbyt(bytsec(offset)), nbyte); - offset += nbyte; - s += nbyte; - } - if (n) - memcpy(s, fat.buf + secbyt(bytsec(offset)), n); + if (offset + nbyte > secbyt(fat.size)) + return (EINVAL); + memcpy(buf, fat.buf + offset, nbyte); } x = fs->fatsz != 32 ? cv2(buf) : cv4(buf); @@ -815,7 +798,7 @@ fatget(DOS_FS *fs, u_int *c) static int fatend(u_int sz, u_int c) { - return c > (sz == 12 ? 0xff7U : sz == 16 ? 0xfff7U : 0xffffff7); + return (c > (sz == 12 ? 0xff7U : sz == 16 ? 0xfff7U : 0xffffff7)); } /* @@ -827,38 +810,41 @@ ioread(DOS_FS *fs, u_int offset, void *buf, u_int nbyte) char *s; u_int off, n; int err; + u_char local_buf[SECSIZ]; s = buf; if ((off = offset & (SECSIZ - 1))) { offset -= off; if ((n = SECSIZ - off) > nbyte) n = nbyte; - if ((err = ioget(fs->fd, bytsec(offset), off, s, n))) - return err; + if ((err = ioget(fs->fd, bytsec(offset), local_buf, sizeof(local_buf)))) + return (err); + memcpy(s, local_buf + off, n); offset += SECSIZ; s += n; nbyte -= n; } n = nbyte & (SECSIZ - 1); if (nbyte -= n) { - if ((err = ioget(fs->fd, bytsec(offset), 0, s, nbyte))) - return err; + if ((err = ioget(fs->fd, bytsec(offset), s, nbyte))) + return (err); offset += nbyte; s += nbyte; } if (n) { - if ((err = ioget(fs->fd, bytsec(offset), 0, s, n))) - return err; + if ((err = ioget(fs->fd, bytsec(offset), local_buf, sizeof(local_buf)))) + return (err); + memcpy(s, local_buf, n); } - return 0; + return (0); } /* * Sector-based I/O primitive */ static int -ioget(struct open_file *fd, daddr_t lsec, size_t offset, void *buf, u_int size) +ioget(struct open_file *fd, daddr_t lsec, void *buf, u_int size) { - return ((fd->f_dev->dv_strategy)(fd->f_devdata, F_READ, lsec, offset, + return ((fd->f_dev->dv_strategy)(fd->f_devdata, F_READ, lsec, size, buf, NULL)); } diff --git a/lib/libstand/ext2fs.c b/lib/libstand/ext2fs.c index bbc3be4..d0b91e0 100644 --- a/lib/libstand/ext2fs.c +++ b/lib/libstand/ext2fs.c @@ -355,7 +355,7 @@ ext2fs_open(const char *upath, struct open_file *f) fp->f_fs = fs; twiddle(1); error = (f->f_dev->dv_strategy)(f->f_devdata, F_READ, - EXT2_SBLOCK, 0, EXT2_SBSIZE, (char *)fs, &buf_size); + EXT2_SBLOCK, EXT2_SBSIZE, (char *)fs, &buf_size); if (error) goto out; @@ -397,7 +397,7 @@ ext2fs_open(const char *upath, struct open_file *f) fp->f_bg = malloc(len); twiddle(1); error = (f->f_dev->dv_strategy)(f->f_devdata, F_READ, - EXT2_SBLOCK + EXT2_SBSIZE / DEV_BSIZE, 0, len, + EXT2_SBLOCK + EXT2_SBSIZE / DEV_BSIZE, len, (char *)fp->f_bg, &buf_size); if (error) goto out; @@ -509,7 +509,7 @@ ext2fs_open(const char *upath, struct open_file *f) twiddle(1); error = (f->f_dev->dv_strategy)(f->f_devdata, - F_READ, fsb_to_db(fs, disk_block), 0, + F_READ, fsb_to_db(fs, disk_block), fs->fs_bsize, buf, &buf_size); if (error) goto out; @@ -570,7 +570,7 @@ read_inode(ino_t inumber, struct open_file *f) buf = malloc(fs->fs_bsize); twiddle(1); error = (f->f_dev->dv_strategy)(f->f_devdata, F_READ, - ino_to_db(fs, fp->f_bg, inumber), 0, fs->fs_bsize, buf, &rsize); + ino_to_db(fs, fp->f_bg, inumber), fs->fs_bsize, buf, &rsize); if (error) goto out; if (rsize != fs->fs_bsize) { @@ -667,7 +667,7 @@ block_map(struct open_file *f, daddr_t file_block, daddr_t *disk_block_p) malloc(fs->fs_bsize); twiddle(1); error = (f->f_dev->dv_strategy)(f->f_devdata, F_READ, - fsb_to_db(fp->f_fs, ind_block_num), 0, fs->fs_bsize, + fsb_to_db(fp->f_fs, ind_block_num), fs->fs_bsize, fp->f_blk[level], &fp->f_blksize[level]); if (error) return (error); @@ -725,7 +725,7 @@ buf_read_file(struct open_file *f, char **buf_p, size_t *size_p) } else { twiddle(4); error = (f->f_dev->dv_strategy)(f->f_devdata, F_READ, - fsb_to_db(fs, disk_block), 0, block_size, + fsb_to_db(fs, disk_block), block_size, fp->f_buf, &fp->f_buf_size); if (error) goto done; diff --git a/lib/libstand/nandfs.c b/lib/libstand/nandfs.c index e530fa6..fe3a8ab 100644 --- a/lib/libstand/nandfs.c +++ b/lib/libstand/nandfs.c @@ -1024,7 +1024,7 @@ ioread(struct open_file *f, off_t pos, void *buf, u_int length) buffer = malloc(nsec * bsize); - err = (f->f_dev->dv_strategy)(f->f_devdata, F_READ, pos, 0, + err = (f->f_dev->dv_strategy)(f->f_devdata, F_READ, pos, nsec * bsize, buffer, NULL); memcpy(buf, (void *)((uintptr_t)buffer + off), length); @@ -1045,7 +1045,7 @@ nandfs_probe_sectorsize(struct open_file *f) for (i = 512; i < (16 * 1024); i <<= 1) { NANDFS_DEBUG("%d ", i); - err = (f->f_dev->dv_strategy)(f->f_devdata, F_READ, 0, 0, i, + err = (f->f_dev->dv_strategy)(f->f_devdata, F_READ, 0, i, buffer, NULL); if (err == 0) { diff --git a/lib/libstand/read.c b/lib/libstand/read.c index 0e47fc2..c165d68 100644 --- a/lib/libstand/read.c +++ b/lib/libstand/read.c @@ -79,7 +79,7 @@ read(int fd, void *dest, size_t bcount) if (f->f_flags & F_RAW) { twiddle(4); errno = (f->f_dev->dv_strategy)(f->f_devdata, F_READ, - btodb(f->f_offset), 0, bcount, dest, &resid); + btodb(f->f_offset), bcount, dest, &resid); if (errno) return (-1); f->f_offset += resid; diff --git a/lib/libstand/stand.h b/lib/libstand/stand.h index 238f9ed..541f1db 100644 --- a/lib/libstand/stand.h +++ b/lib/libstand/stand.h @@ -139,7 +139,7 @@ struct devsw { int dv_type; /* opaque type constant, arch-dependant */ int (*dv_init)(void); /* early probe call */ int (*dv_strategy)(void *devdata, int rw, daddr_t blk, - size_t offset, size_t size, char *buf, size_t *rsize); + size_t size, char *buf, size_t *rsize); int (*dv_open)(struct open_file *f, ...); int (*dv_close)(struct open_file *f); int (*dv_ioctl)(struct open_file *f, u_long cmd, void *data); diff --git a/lib/libstand/ufs.c b/lib/libstand/ufs.c index 21e341f..928a1d1 100644 --- a/lib/libstand/ufs.c +++ b/lib/libstand/ufs.c @@ -157,7 +157,7 @@ read_inode(inumber, f) buf = malloc(fs->fs_bsize); twiddle(1); rc = (f->f_dev->dv_strategy)(f->f_devdata, F_READ, - fsbtodb(fs, ino_to_fsba(fs, inumber)), 0, fs->fs_bsize, + fsbtodb(fs, ino_to_fsba(fs, inumber)), fs->fs_bsize, buf, &rsize); if (rc) goto out; @@ -267,7 +267,7 @@ block_map(f, file_block, disk_block_p) malloc(fs->fs_bsize); twiddle(1); rc = (f->f_dev->dv_strategy)(f->f_devdata, F_READ, - fsbtodb(fp->f_fs, ind_block_num), 0, + fsbtodb(fp->f_fs, ind_block_num), fs->fs_bsize, fp->f_blk[level], &fp->f_blksize[level]); @@ -348,7 +348,7 @@ buf_write_file(f, buf_p, size_p) twiddle(4); rc = (f->f_dev->dv_strategy)(f->f_devdata, F_READ, - fsbtodb(fs, disk_block), 0, + fsbtodb(fs, disk_block), block_size, fp->f_buf, &fp->f_buf_size); if (rc) return (rc); @@ -367,7 +367,7 @@ buf_write_file(f, buf_p, size_p) twiddle(4); rc = (f->f_dev->dv_strategy)(f->f_devdata, F_WRITE, - fsbtodb(fs, disk_block), 0, + fsbtodb(fs, disk_block), block_size, fp->f_buf, &fp->f_buf_size); return (rc); } @@ -408,7 +408,7 @@ buf_read_file(f, buf_p, size_p) } else { twiddle(4); rc = (f->f_dev->dv_strategy)(f->f_devdata, F_READ, - fsbtodb(fs, disk_block), 0, + fsbtodb(fs, disk_block), block_size, fp->f_buf, &fp->f_buf_size); if (rc) return (rc); @@ -521,7 +521,7 @@ ufs_open(upath, f) */ for (i = 0; sblock_try[i] != -1; i++) { rc = (f->f_dev->dv_strategy)(f->f_devdata, F_READ, - sblock_try[i] / DEV_BSIZE, 0, SBLOCKSIZE, + sblock_try[i] / DEV_BSIZE, SBLOCKSIZE, (char *)fs, &buf_size); if (rc) goto out; @@ -651,7 +651,7 @@ ufs_open(upath, f) twiddle(1); rc = (f->f_dev->dv_strategy)(f->f_devdata, - F_READ, fsbtodb(fs, disk_block), 0, + F_READ, fsbtodb(fs, disk_block), fs->fs_bsize, buf, &buf_size); if (rc) goto out; diff --git a/lib/libstand/write.c b/lib/libstand/write.c index daf33cf..9e02f08 100644 --- a/lib/libstand/write.c +++ b/lib/libstand/write.c @@ -82,7 +82,7 @@ write(fd, dest, bcount) if (f->f_flags & F_RAW) { twiddle(4); errno = (f->f_dev->dv_strategy)(f->f_devdata, F_WRITE, - btodb(f->f_offset), 0, bcount, dest, &resid); + btodb(f->f_offset), bcount, dest, &resid); if (errno) return (-1); f->f_offset += resid; |