[gcab/wip/hughsie/meson] f

[Richard Hughes <rhughes src gnome org>]

commit caa4fd58aa5c308eee541a2e822e6e6833658dfc
Author: Richard Hughes <richard hughsie com>
Date:   Tue Dec 12 14:03:40 2017 +0000

    f

 libgcab/cabinet.c |   14 ++++++++++----
 1 files changed, 10 insertions(+), 4 deletions(-)
---
diff --git a/libgcab/cabinet.c b/libgcab/cabinet.c
index fd99761..8c944d0 100644
--- a/libgcab/cabinet.c
+++ b/libgcab/cabinet.c
@@ -422,9 +422,12 @@ cdata_write (cdata_t *cd, GDataOutputStream *out, int type,
 
     guint32 datacsum = compute_checksum(cd->in, cd->ncbytes, 0);
     guint8 sizecsum[4];
+    guint16 nbytes_le;
 
-    memcpy (&sizecsum[0], &cd->ncbytes, 2);
-    memcpy (&sizecsum[2], &cd->nubytes, 2);
+    nbytes_le = GUINT16_TO_LE (cd->ncbytes);
+    memcpy (&sizecsum[0], &nbytes_le, 2);
+    nbytes_le = GUINT16_TO_LE (cd->nubytes);
+    memcpy (&sizecsum[2], &nbytes_le, 2);
     cd->checksum = compute_checksum (sizecsum, sizeof(sizecsum), datacsum);
     GOutputStream *stream = g_filter_output_stream_get_base_stream (G_FILTER_OUTPUT_STREAM (out));
 
@@ -469,6 +472,7 @@ cdata_read (cdata_t *cd, guint8 res_data, gint comptype,
     guint8 *buf = compression == GCAB_COMPRESSION_NONE ? cd->out : cd->in;
     guint32 datacsum;
     guint8 sizecsum[4];
+    guint16 nbytes_le;
 
     if (compression > GCAB_COMPRESSION_MSZIP &&
         compression != GCAB_COMPRESSION_LZX) {
@@ -485,8 +489,10 @@ cdata_read (cdata_t *cd, guint8 res_data, gint comptype,
     RN (buf, cd->ncbytes);
 
     datacsum = compute_checksum(buf, cd->ncbytes, 0);
-    memcpy (&sizecsum[0], &cd->ncbytes, 2);
-    memcpy (&sizecsum[2], &cd->nubytes, 2);
+    nbytes_le = GUINT16_TO_LE (cd->ncbytes);
+    memcpy (&sizecsum[0], &nbytes_le, 2);
+    nbytes_le = GUINT16_TO_LE (cd->nubytes);
+    memcpy (&sizecsum[2], &nbytes_le, 2);
     if (cd->checksum != compute_checksum (sizecsum, sizeof(sizecsum), datacsum)) {
         g_set_error_literal (error, GCAB_ERROR, GCAB_ERROR_FAILED,
                              _("incorrect checksum detected"));