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-rw-r--r--lib/jpegstream.cc3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/jpegstream.cc b/lib/jpegstream.cc
index 66bf92d..68e6fc5 100644
--- a/lib/jpegstream.cc
+++ b/lib/jpegstream.cc
@@ -82,7 +82,8 @@ namespace iscan
// only that _bits != 8.
for (unsigned int i = 0; i < _h_sz; ++i)
{
- div_t index = div (i, 8 * sizeof (JSAMPLE));
+ div_t index = div (static_cast<int>(i),
+ static_cast<int>(8 * sizeof (JSAMPLE)));
int offset = 8 * sizeof (JSAMPLE) - 1 - index.rem;
_scanline[i] = ((line[index.quot] & (1 << offset))
? 0 : ~0);