Cleanup

[wimlib] / src / wim.c

diff --git a/src/wim.c b/src/wim.c
index 3d173f9aefa0b38ac721fa8ac8f99aff8cc9b131..97e156ddd40d23616a9bfca2e59cd4dd8961bdb7 100644 (file)
--- a/src/wim.c
+++ b/src/wim.c
@@ -151,7 +151,12 @@ wim_chunk_size_valid(u32 chunk_size, int ctype)
 static u32
 wim_default_chunk_size(int ctype)
 {
-       return 32768;
+       switch (ctype) {
+       case WIMLIB_COMPRESSION_TYPE_LZMS:
+               return 131072;
+       default:
+               return 32768;
+       }
 }
 
 /*
@@ -481,12 +486,15 @@ wimlib_set_output_chunk_size(WIMStruct *wim, uint32_t chunk_size)
                              "32768, 65536, 131072, ..., 2097152.");
                        break;
                case WIMLIB_COMPRESSION_TYPE_LZMS:
-                       ERROR("Valid chunk sizes for LZMS are 131072.");
+                       ERROR("Valid chunk sizes for LZMS are "
+                             "32768, 65536, 131072, ..., 67108864.");
                        break;
                }
                return WIMLIB_ERR_INVALID_CHUNK_SIZE;
        }
-       if (chunk_size != 32768) {
+       if (chunk_size != 32768 &&
+           wim->out_compression_type != WIMLIB_COMPRESSION_TYPE_LZMS)
+       {
                WARNING  ("Changing the compression chunk size to any value other than\n"
                "          the default of 32768 bytes eliminates compatibility with\n"
                "          Microsoft's software!");