X-Git-Url: https://wimlib.net/git/?a=blobdiff_plain;f=src%2Fjoin.c;h=622919e976b5ce97d8ae39273f6b4a81da9134c2;hb=6ec05488c1ca6d629a560ba8efadd30418ae1493;hp=cdfd3889d27626f70984774c643daaaf25a86c98;hpb=df1050ef86e54f027912a15fe60bf67c8ab43d2c;p=wimlib

diff --git a/src/join.c b/src/join.c
index cdfd3889..622919e9 100644
--- a/src/join.c
+++ b/src/join.c
@@ -38,17 +38,17 @@
  *		     correspond to a spanned set.
  *
  * @wim:
- * 	Part 1 of the set.
+ *	Part 1 of the set.
  *
  * @additional_swms:
- * 	All parts of the set other than part 1.
+ *	All parts of the set other than part 1.
  *
  * @num_additional_swms:
- * 	Number of WIMStructs in @additional_swms.  Or, the total number of parts
- * 	in the set minus 1.
+ *	Number of WIMStructs in @additional_swms.  Or, the total number of parts
+ *	in the set minus 1.
  *
  * @return:
- * 	0 on success; WIMLIB_ERR_SPLIT_INVALID if the set is not valid.
+ *	0 on success; WIMLIB_ERR_SPLIT_INVALID if the set is not valid.
  */
 static int
 verify_swm_set(WIMStruct *wim, WIMStruct **additional_swms,
@@ -56,6 +56,7 @@ verify_swm_set(WIMStruct *wim, WIMStruct **additional_swms,
 {
 	unsigned total_parts = wim->hdr.total_parts;
 	int ctype;
+	u32 chunk_size;
 	const u8 *guid;
 
 	if (total_parts != num_additional_swms + 1) {
@@ -83,9 +84,10 @@ verify_swm_set(WIMStruct *wim, WIMStruct **additional_swms,
 		}
 	}
 
-	/* keep track of ctype and guid just to make sure they are the same for
-	 * all the WIMs. */
+	/* Keep track of the compression type, chunk size, and GUID to make sure
+	 * they are the same for all the WIMs.  */
 	ctype = wim->compression_type;
+	chunk_size = wim->chunk_size;
 	guid = wim->hdr.guid;
 
 	{
@@ -104,6 +106,12 @@ verify_swm_set(WIMStruct *wim, WIMStruct **additional_swms,
 				      "compression type");
 				return WIMLIB_ERR_SPLIT_INVALID;
 			}
+			if (swm->chunk_size != chunk_size &&
+			    ctype != WIMLIB_COMPRESSION_TYPE_NONE) {
+				ERROR("The split WIMs do not all have the same "
+				      "chunk size");
+				return WIMLIB_ERR_SPLIT_INVALID;
+			}
 			if (memcmp(guid, swm->hdr.guid, WIM_GID_LEN) != 0) {
 				ERROR("The split WIMs do not all have the same "
 				      "GUID");