X-Git-Url: https://wimlib.net/git/?a=blobdiff_plain;f=src%2Fmodify.c;h=5223b81912c5abde8943a9d2c85023ca814029cd;hb=35dd893208119869db6a90b1d1663f9aea88a3f7;hp=3dc0de44542827cb5f6f1cf30c75a20515840cd3;hpb=3b293f2984ccd95cf58363ae448deda14224d310;p=wimlib

diff --git a/src/modify.c b/src/modify.c
index 3dc0de44..5223b819 100644
--- a/src/modify.c
+++ b/src/modify.c
@@ -364,6 +364,15 @@ WIMLIBAPI int wimlib_export_image(WIMStruct *src_wim,
 	struct wim_pair wims;
 	struct wim_security_data *sd;
 
+	if (!src_wim || !dest_wim)
+		return WIMLIB_ERR_INVALID_PARAM;
+
+	if (src_wim->hdr.total_parts != 1 || src_wim->hdr.total_parts != 1) {
+		ERROR("Exporting an image to or from a split WIM is "
+		      "unsupported");
+		return WIMLIB_ERR_SPLIT_UNSUPPORTED;
+	}
+
 	if (src_image == WIM_ALL_IMAGES) {
 		if (src_wim->hdr.image_count > 1) {
 
@@ -466,6 +475,11 @@ WIMLIBAPI int wimlib_delete_image(WIMStruct *w, int image)
 	int i;
 	int ret;
 
+	if (w->hdr.total_parts != 1) {
+		ERROR("Deleting an image from a split WIM is not supported.");
+		return WIMLIB_ERR_SPLIT_UNSUPPORTED;
+	}
+
 	if (image == WIM_ALL_IMAGES) {
 		num_images = w->hdr.image_count;
 		for (i = 1; i <= num_images; i++) {
@@ -791,6 +805,11 @@ int do_add_image(WIMStruct *w, const char *dir, const char *name,
 		return WIMLIB_ERR_INVALID_PARAM;
 	}
 
+	if (w->hdr.total_parts != 1) {
+		ERROR("Cannot add an image to a split WIM");
+		return WIMLIB_ERR_SPLIT_UNSUPPORTED;
+	}
+
 	if (wimlib_image_name_in_use(w, name)) {
 		ERROR("There is already an image named \"%s\" in `%s'",
 		      name, w->filename);