extract_wim_resource_to_fd(): Handle full_write() retval correctly

[wimlib] / src / resource.c

diff --git a/src/resource.c b/src/resource.c
index 98dc901f74068880256d9c1465a3f8a0d3f60dc9..f7a7916e5f0cc0ed94bcae2b30673b500f80db4b 100644 (file)
--- a/src/resource.c
+++ b/src/resource.c
@@ -1013,7 +1013,7 @@ int extract_wim_resource_to_fd(const struct lookup_table_entry *lte, int fd,
                if (ret != 0)
                        break;
                sha1_update(&ctx, buf, to_read);
-               if (full_write(fd, buf, to_read) < 0) {
+               if (full_write(fd, buf, to_read) < to_read) {
                        ERROR_WITH_ERRNO("Error extracting WIM resource");
                        return WIMLIB_ERR_WRITE;
                }
@@ -1334,8 +1334,9 @@ int write_metadata_resource(WIMStruct *w)
        if (ret != 0)
                goto out;
 
-       /* It's very likely the SHA1 message digest of the metadata resource, so
-        * re-insert the lookup table entry into the lookup table. */
+       /* It's very likely the SHA1 message digest of the metadata resource
+        * changed, so re-insert the lookup table entry into the lookup table.
+        * */
        lookup_table_unlink(w->lookup_table, lte);
        lookup_table_insert(w->lookup_table, lte);