X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Ftdb%2Fio.c;h=2262eabf93b19daf524b3876d8b7f55c1fe882ea;hp=ca7d0819b99d9db45aebb757b054106d3a1f1961;hb=cc2d609dfca7192305ad477b8c2b52cfdc1aa9be;hpb=b2c0ebc6f53b05b222937991f100f8a89701f9b1 diff --git a/ccan/tdb/io.c b/ccan/tdb/io.c index ca7d0819..2262eabf 100644 --- a/ccan/tdb/io.c +++ b/ccan/tdb/io.c @@ -125,9 +125,17 @@ static int tdb_write(struct tdb_context *tdb, tdb_off_t off, /* Endian conversion: we only ever deal with 4 byte quantities */ void *tdb_convert(void *buf, uint32_t size) { - uint32_t i, *p = (uint32_t *)buf; - for (i = 0; i < size / 4; i++) - p[i] = TDB_BYTEREV(p[i]); + uint32_t i; + unsigned char *p = buf, tmp; + + for (i = 0; i < size; i += 4) { + tmp = p[i]; + p[i] = p[i+3]; + p[i+3] = tmp; + tmp = p[i+1]; + p[i+1] = p[i+2]; + p[i+2] = tmp; + } return buf; } @@ -194,7 +202,9 @@ int tdb_munmap(struct tdb_context *tdb) #if HAVE_MMAP if (tdb->map_ptr) { - int ret = munmap(tdb->map_ptr, tdb->map_size); + int ret; + + ret = munmap(tdb->map_ptr, tdb->map_size); if (ret != 0) return ret; } @@ -298,7 +308,7 @@ static int tdb_expand_file(struct tdb_context *tdb, tdb_off_t size, tdb_off_t ad file and doing the mmap again if necessary */ int tdb_expand(struct tdb_context *tdb, tdb_off_t size) { - struct list_struct rec; + struct tdb_record rec; tdb_off_t offset, new_size; if (tdb_lock(tdb, -1, F_WRLCK) == -1) { @@ -386,6 +396,7 @@ unsigned char *tdb_alloc_read(struct tdb_context *tdb, tdb_off_t offset, tdb_len unsigned char *buf; /* some systems don't like zero length malloc */ + if (!(buf = (unsigned char *)malloc(len ? len : 1))) { /* Ensure ecode is set for log fn. */ tdb->ecode = TDB_ERR_OOM; @@ -435,7 +446,7 @@ int tdb_parse_data(struct tdb_context *tdb, TDB_DATA key, } /* read/write a record */ -int tdb_rec_read(struct tdb_context *tdb, tdb_off_t offset, struct list_struct *rec) +int tdb_rec_read(struct tdb_context *tdb, tdb_off_t offset, struct tdb_record *rec) { if (tdb->methods->tdb_read(tdb, offset, rec, sizeof(*rec),DOCONV()) == -1) return -1; @@ -448,9 +459,9 @@ int tdb_rec_read(struct tdb_context *tdb, tdb_off_t offset, struct list_struct * return tdb->methods->tdb_oob(tdb, rec->next+sizeof(*rec), 0); } -int tdb_rec_write(struct tdb_context *tdb, tdb_off_t offset, struct list_struct *rec) +int tdb_rec_write(struct tdb_context *tdb, tdb_off_t offset, struct tdb_record *rec) { - struct list_struct r = *rec; + struct tdb_record r = *rec; return tdb->methods->tdb_write(tdb, offset, CONVERT(r), sizeof(r)); } @@ -460,8 +471,6 @@ static const struct tdb_methods io_methods = { tdb_next_hash_chain, tdb_oob, tdb_expand_file, - tdb_brlock, - tdb_brunlock }; /*