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authorMichael Niedermayer <michaelni@gmx.at>2008-02-01 03:14:50 +0000
committerMichael Niedermayer <michaelni@gmx.at>2008-02-01 03:14:50 +0000
commitff794171c97ae123cac041726e9c8bdc36c7e6c0 (patch)
tree7ea1e761b1002d5755dd5fd49a68870990678ade /libavutil/intreadwrite.h
parentb1f5712e3c488d1604f4a363e069c839e03ed3fc (diff)
downloadffmpeg-ff794171c97ae123cac041726e9c8bdc36c7e6c0.tar.gz
Do not cast const away.
Originally committed as revision 11707 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavutil/intreadwrite.h')
-rw-r--r--libavutil/intreadwrite.h74
1 files changed, 37 insertions, 37 deletions
diff --git a/libavutil/intreadwrite.h b/libavutil/intreadwrite.h
index 9832b56f35..dd77104f24 100644
--- a/libavutil/intreadwrite.h
+++ b/libavutil/intreadwrite.h
@@ -38,9 +38,9 @@ struct unaligned_16 { uint16_t l; } __attribute__((packed));
#else /* __GNUC__ */
-#define AV_RN16(a) (*((uint16_t*)(a)))
-#define AV_RN32(a) (*((uint32_t*)(a)))
-#define AV_RN64(a) (*((uint64_t*)(a)))
+#define AV_RN16(a) (*((const uint16_t*)(a)))
+#define AV_RN32(a) (*((const uint32_t*)(a)))
+#define AV_RN64(a) (*((const uint64_t*)(a)))
#define AV_WN16(a, b) *((uint16_t*)(a)) = (b)
#define AV_WN32(a, b) *((uint32_t*)(a)) = (b)
@@ -49,7 +49,7 @@ struct unaligned_16 { uint16_t l; } __attribute__((packed));
#endif /* !__GNUC__ */
/* endian macros */
-#define AV_RB8(x) (((uint8_t*)(x))[0])
+#define AV_RB8(x) (((const uint8_t*)(x))[0])
#define AV_WB8(p, d) do { ((uint8_t*)(p))[0] = (d); } while(0)
#define AV_RL8(x) AV_RB8(x)
@@ -70,29 +70,29 @@ struct unaligned_16 { uint16_t l; } __attribute__((packed));
# define AV_WL16(p, d) AV_WN16(p, d)
# endif
#else /* HAVE_FAST_UNALIGNED */
-#define AV_RB16(x) ((((uint8_t*)(x))[0] << 8) | ((uint8_t*)(x))[1])
+#define AV_RB16(x) ((((const uint8_t*)(x))[0] << 8) | ((const uint8_t*)(x))[1])
#define AV_WB16(p, d) do { \
((uint8_t*)(p))[1] = (d); \
((uint8_t*)(p))[0] = (d)>>8; } while(0)
-#define AV_RL16(x) ((((uint8_t*)(x))[1] << 8) | \
- ((uint8_t*)(x))[0])
+#define AV_RL16(x) ((((const uint8_t*)(x))[1] << 8) | \
+ ((const uint8_t*)(x))[0])
#define AV_WL16(p, d) do { \
((uint8_t*)(p))[0] = (d); \
((uint8_t*)(p))[1] = (d)>>8; } while(0)
#endif
-#define AV_RB24(x) ((((uint8_t*)(x))[0] << 16) | \
- (((uint8_t*)(x))[1] << 8) | \
- ((uint8_t*)(x))[2])
+#define AV_RB24(x) ((((const uint8_t*)(x))[0] << 16) | \
+ (((const uint8_t*)(x))[1] << 8) | \
+ ((const uint8_t*)(x))[2])
#define AV_WB24(p, d) do { \
((uint8_t*)(p))[2] = (d); \
((uint8_t*)(p))[1] = (d)>>8; \
((uint8_t*)(p))[0] = (d)>>16; } while(0)
-#define AV_RL24(x) ((((uint8_t*)(x))[2] << 16) | \
- (((uint8_t*)(x))[1] << 8) | \
- ((uint8_t*)(x))[0])
+#define AV_RL24(x) ((((const uint8_t*)(x))[2] << 16) | \
+ (((const uint8_t*)(x))[1] << 8) | \
+ ((const uint8_t*)(x))[0])
#define AV_WL24(p, d) do { \
((uint8_t*)(p))[0] = (d); \
((uint8_t*)(p))[1] = (d)>>8; \
@@ -113,20 +113,20 @@ struct unaligned_16 { uint16_t l; } __attribute__((packed));
# define AV_WL32(p, d) AV_WN32(p, d)
# endif
#else /* HAVE_FAST_UNALIGNED */
-#define AV_RB32(x) ((((uint8_t*)(x))[0] << 24) | \
- (((uint8_t*)(x))[1] << 16) | \
- (((uint8_t*)(x))[2] << 8) | \
- ((uint8_t*)(x))[3])
+#define AV_RB32(x) ((((const uint8_t*)(x))[0] << 24) | \
+ (((const uint8_t*)(x))[1] << 16) | \
+ (((const uint8_t*)(x))[2] << 8) | \
+ ((const uint8_t*)(x))[3])
#define AV_WB32(p, d) do { \
((uint8_t*)(p))[3] = (d); \
((uint8_t*)(p))[2] = (d)>>8; \
((uint8_t*)(p))[1] = (d)>>16; \
((uint8_t*)(p))[0] = (d)>>24; } while(0)
-#define AV_RL32(x) ((((uint8_t*)(x))[3] << 24) | \
- (((uint8_t*)(x))[2] << 16) | \
- (((uint8_t*)(x))[1] << 8) | \
- ((uint8_t*)(x))[0])
+#define AV_RL32(x) ((((const uint8_t*)(x))[3] << 24) | \
+ (((const uint8_t*)(x))[2] << 16) | \
+ (((const uint8_t*)(x))[1] << 8) | \
+ ((const uint8_t*)(x))[0])
#define AV_WL32(p, d) do { \
((uint8_t*)(p))[0] = (d); \
((uint8_t*)(p))[1] = (d)>>8; \
@@ -149,14 +149,14 @@ struct unaligned_16 { uint16_t l; } __attribute__((packed));
# define AV_WL64(p, d) AV_WN64(p, d)
# endif
#else /* HAVE_FAST_UNALIGNED */
-#define AV_RB64(x) (((uint64_t)((uint8_t*)(x))[0] << 56) | \
- ((uint64_t)((uint8_t*)(x))[1] << 48) | \
- ((uint64_t)((uint8_t*)(x))[2] << 40) | \
- ((uint64_t)((uint8_t*)(x))[3] << 32) | \
- ((uint64_t)((uint8_t*)(x))[4] << 24) | \
- ((uint64_t)((uint8_t*)(x))[5] << 16) | \
- ((uint64_t)((uint8_t*)(x))[6] << 8) | \
- (uint64_t)((uint8_t*)(x))[7])
+#define AV_RB64(x) (((uint64_t)((const uint8_t*)(x))[0] << 56) | \
+ ((uint64_t)((const uint8_t*)(x))[1] << 48) | \
+ ((uint64_t)((const uint8_t*)(x))[2] << 40) | \
+ ((uint64_t)((const uint8_t*)(x))[3] << 32) | \
+ ((uint64_t)((const uint8_t*)(x))[4] << 24) | \
+ ((uint64_t)((const uint8_t*)(x))[5] << 16) | \
+ ((uint64_t)((const uint8_t*)(x))[6] << 8) | \
+ (uint64_t)((const uint8_t*)(x))[7])
#define AV_WB64(p, d) do { \
((uint8_t*)(p))[7] = (d); \
((uint8_t*)(p))[6] = (d)>>8; \
@@ -167,14 +167,14 @@ struct unaligned_16 { uint16_t l; } __attribute__((packed));
((uint8_t*)(p))[1] = (d)>>48; \
((uint8_t*)(p))[0] = (d)>>56; } while(0)
-#define AV_RL64(x) (((uint64_t)((uint8_t*)(x))[7] << 56) | \
- ((uint64_t)((uint8_t*)(x))[6] << 48) | \
- ((uint64_t)((uint8_t*)(x))[5] << 40) | \
- ((uint64_t)((uint8_t*)(x))[4] << 32) | \
- ((uint64_t)((uint8_t*)(x))[3] << 24) | \
- ((uint64_t)((uint8_t*)(x))[2] << 16) | \
- ((uint64_t)((uint8_t*)(x))[1] << 8) | \
- (uint64_t)((uint8_t*)(x))[0])
+#define AV_RL64(x) (((uint64_t)((const uint8_t*)(x))[7] << 56) | \
+ ((uint64_t)((const uint8_t*)(x))[6] << 48) | \
+ ((uint64_t)((const uint8_t*)(x))[5] << 40) | \
+ ((uint64_t)((const uint8_t*)(x))[4] << 32) | \
+ ((uint64_t)((const uint8_t*)(x))[3] << 24) | \
+ ((uint64_t)((const uint8_t*)(x))[2] << 16) | \
+ ((uint64_t)((const uint8_t*)(x))[1] << 8) | \
+ (uint64_t)((const uint8_t*)(x))[0])
#define AV_WL64(p, d) do { \
((uint8_t*)(p))[0] = (d); \
((uint8_t*)(p))[1] = (d)>>8; \