5 files changed, 10 insertions, 10 deletions
diff --git a/source3/tdb/common/freelistcheck.c b/source3/tdb/common/freelistcheck.c
index 3f79a016b8..63d2dbadc2 100644
--- a/source3/tdb/common/freelistcheck.c
+++ b/source3/tdb/common/freelistcheck.c
@@ -39,7 +39,7 @@ static int seen_insert(struct tdb_context *mem_tdb, tdb_off_t rec_ptr)
 	TDB_DATA key, data;
 
 	memset(&data, '\0', sizeof(data));
-	key.dptr = (char *)&rec_ptr;
+	key.dptr = (unsigned char *)&rec_ptr;
 	key.dsize = sizeof(rec_ptr);
 	return tdb_store(mem_tdb, key, data, TDB_INSERT);
 }
diff --git a/source3/tdb/common/io.c b/source3/tdb/common/io.c
index 9a8e270dcc..cd06dbb1e3 100644
--- a/source3/tdb/common/io.c
+++ b/source3/tdb/common/io.c
@@ -332,16 +332,16 @@ int tdb_ofs_write(struct tdb_context *tdb, tdb_off_t offset, tdb_off_t *d)
 
 
 /* read a lump of data, allocating the space for it */
-char *tdb_alloc_read(struct tdb_context *tdb, tdb_off_t offset, tdb_len_t len)
+unsigned char *tdb_alloc_read(struct tdb_context *tdb, tdb_off_t offset, tdb_len_t len)
 {
-	char *buf;
+	unsigned char *buf;
 
 	/* some systems don't like zero length malloc */
 	if (len == 0) {
 		len = 1;
 	}
 
-	if (!(buf = (char *)malloc(len))) {
+	if (!(buf = (unsigned char *)malloc(len))) {
 		/* Ensure ecode is set for log fn. */
 		tdb->ecode = TDB_ERR_OOM;
 		TDB_LOG((tdb, TDB_DEBUG_ERROR,"tdb_alloc_read malloc failed len=%d (%s)\n",
@@ -376,7 +376,7 @@ int tdb_parse_data(struct tdb_context *tdb, TDB_DATA key,
 		if (tdb->methods->tdb_oob(tdb, offset+len, 0) != 0) {
 			return -1;
 		}
-		data.dptr = offset + (char *)tdb->map_ptr;
+		data.dptr = offset + (unsigned char *)tdb->map_ptr;
 		return parser(key, data, private_data);
 	}
 
diff --git a/source3/tdb/common/tdb.c b/source3/tdb/common/tdb.c
index bf43701d2e..25103d826e 100644
--- a/source3/tdb/common/tdb.c
+++ b/source3/tdb/common/tdb.c
@@ -564,10 +564,10 @@ int tdb_append(struct tdb_context *tdb, TDB_DATA key, TDB_DATA new_dbuf)
 	dbuf = tdb_fetch(tdb, key);
 
 	if (dbuf.dptr == NULL) {
-		dbuf.dptr = (char *)malloc(new_dbuf.dsize);
+		dbuf.dptr = (unsigned char *)malloc(new_dbuf.dsize);
 	} else {
-		dbuf.dptr = (char *)realloc(dbuf.dptr,
-					    dbuf.dsize + new_dbuf.dsize);
+		dbuf.dptr = (unsigned char *)realloc(dbuf.dptr,
+						     dbuf.dsize + new_dbuf.dsize);
 	}
 
 	if (dbuf.dptr == NULL) {
diff --git a/source3/tdb/common/tdb_private.h b/source3/tdb/common/tdb_private.h
index 10bc6dacdc..9d39de0200 100644
--- a/source3/tdb/common/tdb_private.h
+++ b/source3/tdb/common/tdb_private.h
@@ -196,7 +196,7 @@ int tdb_unlock_record(struct tdb_context *tdb, tdb_off_t off);
 int tdb_rec_read(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 list_struct *rec);
 int tdb_do_delete(struct tdb_context *tdb, tdb_off_t rec_ptr, struct list_struct *rec);
-char *tdb_alloc_read(struct tdb_context *tdb, tdb_off_t offset, tdb_len_t len);
+unsigned char *tdb_alloc_read(struct tdb_context *tdb, tdb_off_t offset, tdb_len_t len);
 int tdb_parse_data(struct tdb_context *tdb, TDB_DATA key,
 		   tdb_off_t offset, tdb_len_t len,
 		   int (*parser)(TDB_DATA key, TDB_DATA data,
diff --git a/source3/tdb/common/traverse.c b/source3/tdb/common/traverse.c
index 6d3b111479..fb2371d403 100644
--- a/source3/tdb/common/traverse.c
+++ b/source3/tdb/common/traverse.c
@@ -279,7 +279,7 @@ TDB_DATA tdb_nextkey(struct tdb_context *tdb, TDB_DATA oldkey)
 	u32 oldhash;
 	TDB_DATA key = tdb_null;
 	struct list_struct rec;
-	char *k = NULL;
+	unsigned char *k = NULL;
 
 	/* Is locked key the old key?  If so, traverse will be reliable. */
 	if (tdb->travlocks.off) {