diff options
Diffstat (limited to 'src/libdca-4-fix-random-crashes-caused-by-invalid-32-bit-shifts.patch')
-rw-r--r-- | src/libdca-4-fix-random-crashes-caused-by-invalid-32-bit-shifts.patch | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/libdca-4-fix-random-crashes-caused-by-invalid-32-bit-shifts.patch b/src/libdca-4-fix-random-crashes-caused-by-invalid-32-bit-shifts.patch new file mode 100644 index 0000000..f247802 --- /dev/null +++ b/src/libdca-4-fix-random-crashes-caused-by-invalid-32-bit-shifts.patch @@ -0,0 +1,48 @@ +This file is part of MXE. +See index.html for further information. + +Taken from libdca svn: svn://svn.videolan.org/libdca/trunk. + +r88 | sam | 2008-07-19 22:26:13 +0000 (Sat, 19 Jul 2008) | 2 lines + * bitstream.c: fix random crashes caused by invalid 32-bit shifts on 32-bit + values. + +--- libdca.orig/libdca/bitstream.c ++++ libdca/libdca/bitstream.c +@@ -25,6 +25,7 @@ + + #include "config.h" + ++#include <stdio.h> + #include <inttypes.h> + + #include "dca.h" +@@ -46,7 +47,7 @@ + state->bigendian_mode = bigendian_mode; + bitstream_get (state, align * 8); + } +-#include<stdio.h> ++ + static inline void bitstream_fill_current (dca_state_t * state) + { + uint32_t tmp; +@@ -76,12 +77,14 @@ + + uint32_t dca_bitstream_get_bh (dca_state_t * state, uint32_t num_bits) + { +- uint32_t result; +- +- num_bits -= state->bits_left; ++ uint32_t result = 0; + +- result = ((state->current_word << (32 - state->bits_left)) >> +- (32 - state->bits_left)); ++ if (state->bits_left) ++ { ++ num_bits -= state->bits_left; ++ result = ((state->current_word << (32 - state->bits_left)) >> ++ (32 - state->bits_left)); ++ } + + if ( !state->word_mode && num_bits > 28 ) { + bitstream_fill_current (state); |