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-rw-r--r--include/bb_archive.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/include/bb_archive.h b/include/bb_archive.h
index 9e176d3..d1a9a34 100644
--- a/include/bb_archive.h
+++ b/include/bb_archive.h
@@ -12,9 +12,10 @@ enum {
/* .xz signature: 0xfd, '7', 'z', 'X', 'Z', 0x00 */
/* More info at: http://tukaani.org/xz/xz-file-format.txt */
XZ_MAGIC1 = 256 * 0xfd + '7',
- XZ_MAGIC2 = 256 * (256 * (256 * 'z' + 'X') + 'Z') + 0,
+ XZ_MAGIC2 = 256 * (unsigned)(256 * (256 * 'z' + 'X') + 'Z') + 0,
/* Different form: 32 bits, then 16 bits: */
- XZ_MAGIC1a = 256 * (256 * (256 * 0xfd + '7') + 'z') + 'X',
+ /* (unsigned) cast suppresses "integer overflow in expression" warning */
+ XZ_MAGIC1a = 256 * (unsigned)(256 * (256 * 0xfd + '7') + 'z') + 'X',
XZ_MAGIC2a = 256 * 'Z' + 0,
#else
COMPRESS_MAGIC = 0x9d1f,