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-rw-r--r--src/3rdparty/libjpeg/src/jdhuff.h13
1 files changed, 11 insertions, 2 deletions
diff --git a/src/3rdparty/libjpeg/src/jdhuff.h b/src/3rdparty/libjpeg/src/jdhuff.h
index 6a8d90f402..cfa0b7f558 100644
--- a/src/3rdparty/libjpeg/src/jdhuff.h
+++ b/src/3rdparty/libjpeg/src/jdhuff.h
@@ -4,7 +4,8 @@
* This file was part of the Independent JPEG Group's software:
* Copyright (C) 1991-1997, Thomas G. Lane.
* libjpeg-turbo Modifications:
- * Copyright (C) 2010-2011, 2015-2016, D. R. Commander.
+ * Copyright (C) 2010-2011, 2015-2016, 2021, D. R. Commander.
+ * Copyright (C) 2018, Matthias Räncker.
* For conditions of distribution and use, see the accompanying README.ijg
* file.
*
@@ -78,6 +79,11 @@ EXTERN(void) jpeg_make_d_derived_tbl(j_decompress_ptr cinfo, boolean isDC,
typedef size_t bit_buf_type; /* type of bit-extraction buffer */
#define BIT_BUF_SIZE 64 /* size of buffer in bits */
+#elif defined(__x86_64__) && defined(__ILP32__)
+
+typedef unsigned long long bit_buf_type; /* type of bit-extraction buffer */
+#define BIT_BUF_SIZE 64 /* size of buffer in bits */
+
#else
typedef unsigned long bit_buf_type; /* type of bit-extraction buffer */
@@ -228,7 +234,10 @@ slowlabel: \
s |= GET_BITS(1); \
nb++; \
} \
- s = htbl->pub->huffval[(int)(s + htbl->valoffset[nb]) & 0xFF]; \
+ if (nb > 16) \
+ s = 0; \
+ else \
+ s = htbl->pub->huffval[(int)(s + htbl->valoffset[nb]) & 0xFF]; \
}
/* Out-of-line case for Huffman code fetching */