diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/headers/bits-bendian | 3 | ||||
-rw-r--r-- | src/headers/bits-lendian | 5 | ||||
-rw-r--r-- | src/headers/bits-template | 1 | ||||
-rw-r--r-- | src/libstddjb/uint16_bswap.c | 9 | ||||
-rw-r--r-- | src/libstddjb/uint16_pack.c | 7 | ||||
-rw-r--r-- | src/libstddjb/uint16_pack_big.c | 7 | ||||
-rw-r--r-- | src/libstddjb/uint16_reverse.c | 1 | ||||
-rw-r--r-- | src/libstddjb/uint16_unpack.c | 8 | ||||
-rw-r--r-- | src/libstddjb/uint16_unpack_big.c | 8 | ||||
-rw-r--r-- | src/libstddjb/uint32_bswap.c | 13 | ||||
-rw-r--r-- | src/libstddjb/uint32_pack.c | 9 | ||||
-rw-r--r-- | src/libstddjb/uint32_pack_big.c | 9 | ||||
-rw-r--r-- | src/libstddjb/uint32_reverse.c | 14 | ||||
-rw-r--r-- | src/libstddjb/uint32_unpack.c | 10 | ||||
-rw-r--r-- | src/libstddjb/uint32_unpack_big.c | 10 | ||||
-rw-r--r-- | src/libstddjb/uint64_bswap.c | 16 | ||||
-rw-r--r-- | src/libstddjb/uint64_pack.c | 12 | ||||
-rw-r--r-- | src/libstddjb/uint64_pack_big.c | 12 | ||||
-rw-r--r-- | src/libstddjb/uint64_reverse.c | 11 | ||||
-rw-r--r-- | src/libstddjb/uint64_unpack.c | 14 | ||||
-rw-r--r-- | src/libstddjb/uint64_unpack_big.c | 14 |
21 files changed, 106 insertions, 87 deletions
diff --git a/src/headers/bits-bendian b/src/headers/bits-bendian index ef57f58..6caf1e7 100644 --- a/src/headers/bits-bendian +++ b/src/headers/bits-bendian @@ -1,3 +1,6 @@ #define uint@BITS@_little_endian(s, n) uint@BITS@_reverse((s), (n)) #define uint@BITS@_big_endian(s, n) +#define uint@BITS@_little(u) uint@BITS@_bswap(u) +#define uint@BITS@_big(u) (u) + diff --git a/src/headers/bits-lendian b/src/headers/bits-lendian index 278af3e..7528d46 100644 --- a/src/headers/bits-lendian +++ b/src/headers/bits-lendian @@ -1,3 +1,6 @@ #define uint@BITS@_little_endian(s, n) -#define uint@BITS@_big_endian(s, n) uint16_reverse((s), (n)) +#define uint@BITS@_big_endian(s, n) uint@BITS@_reverse((s), (n)) + +#define uint@BITS@_little(u) (u) +#define uint@BITS@_big(u) uint@BITS@_bswap(u) diff --git a/src/headers/bits-template b/src/headers/bits-template index 4b43de2..b09036b 100644 --- a/src/headers/bits-template +++ b/src/headers/bits-template @@ -3,6 +3,7 @@ extern void uint@BITS@_pack_big (char *, uint@BITS@_t) ; extern void uint@BITS@_unpack (char const *, uint@BITS@_t *) ; extern void uint@BITS@_unpack_big (char const *, uint@BITS@_t *) ; extern void uint@BITS@_reverse (char *, size_t) ; +extern uint@BITS@_t uint@BITS@_bswap (uint@BITS@_t) ; #define UINT@BITS@_FMT @DFMT@ #define UINT@BITS@_OFMT @OFMT@ diff --git a/src/libstddjb/uint16_bswap.c b/src/libstddjb/uint16_bswap.c new file mode 100644 index 0000000..6ab96ed --- /dev/null +++ b/src/libstddjb/uint16_bswap.c @@ -0,0 +1,9 @@ +/* ISC license. */ + +#include <stdint.h> +#include <skalibs/uint16.h> + +uint16_t uint16_bswap (uint16_t a) +{ + return (a & 0x00ffu) << 8 | (a & 0xff00u) >> 8 ; +} diff --git a/src/libstddjb/uint16_pack.c b/src/libstddjb/uint16_pack.c index de0a09b..e7ffe24 100644 --- a/src/libstddjb/uint16_pack.c +++ b/src/libstddjb/uint16_pack.c @@ -1,10 +1,11 @@ /* ISC license. */ +#include <stdint.h> +#include <string.h> #include <skalibs/uint16.h> -#include <skalibs/bytestr.h> void uint16_pack (char *s, uint16_t u) { - ((unsigned char *)s)[0] = T8(u) ; u >>= 8 ; - ((unsigned char *)s)[1] = T8(u) ; + u = uint16_little(u) ; + memcpy(s, &u, sizeof(uint16_t)) ; } diff --git a/src/libstddjb/uint16_pack_big.c b/src/libstddjb/uint16_pack_big.c index f73f88b..c24f78f 100644 --- a/src/libstddjb/uint16_pack_big.c +++ b/src/libstddjb/uint16_pack_big.c @@ -1,10 +1,11 @@ /* ISC license. */ +#include <stdint.h> +#include <string.h> #include <skalibs/uint16.h> -#include <skalibs/bytestr.h> void uint16_pack_big (char *s, uint16_t u) { - ((unsigned char *)s)[1] = T8(u) ; u >>= 8 ; - ((unsigned char *)s)[0] = T8(u) ; + u = uint16_big(u) ; + memcpy(s, &u, sizeof(uint16_t)) ; } diff --git a/src/libstddjb/uint16_reverse.c b/src/libstddjb/uint16_reverse.c index b4fe2c8..4fa0a7b 100644 --- a/src/libstddjb/uint16_reverse.c +++ b/src/libstddjb/uint16_reverse.c @@ -1,5 +1,6 @@ /* ISC license. */ +#include <string.h> #include <skalibs/uint16.h> void uint16_reverse (char *s, size_t n) diff --git a/src/libstddjb/uint16_unpack.c b/src/libstddjb/uint16_unpack.c index 1497671..ea31ebc 100644 --- a/src/libstddjb/uint16_unpack.c +++ b/src/libstddjb/uint16_unpack.c @@ -1,12 +1,12 @@ /* ISC license. */ #include <stdint.h> +#include <string.h> #include <skalibs/uint16.h> -#include <skalibs/bytestr.h> void uint16_unpack (char const *s, uint16_t *u) { - uint16_t r = T8((unsigned char)s[1]) ; r <<= 8 ; - r += T8((unsigned char)s[0]) ; - *u = r ; + uint16_t x ; + memcpy(&x, s, sizeof(uint16_t)) ; + *u = uint16_little(x) ; } diff --git a/src/libstddjb/uint16_unpack_big.c b/src/libstddjb/uint16_unpack_big.c index 73b94da..3f6f0df 100644 --- a/src/libstddjb/uint16_unpack_big.c +++ b/src/libstddjb/uint16_unpack_big.c @@ -1,12 +1,12 @@ /* ISC license. */ #include <stdint.h> +#include <string.h> #include <skalibs/uint16.h> -#include <skalibs/bytestr.h> void uint16_unpack_big (char const *s, uint16_t *u) { - uint16_t r = T8((unsigned char)s[0]) ; r <<= 8 ; - r += T8((unsigned char)s[1]) ; - *u = r ; + uint16_t x ; + memcpy(&x, s, sizeof(uint16_t)) ; + *u = uint16_big(x) ; } diff --git a/src/libstddjb/uint32_bswap.c b/src/libstddjb/uint32_bswap.c new file mode 100644 index 0000000..b9dbcab --- /dev/null +++ b/src/libstddjb/uint32_bswap.c @@ -0,0 +1,13 @@ +/* ISC license. */ + +#include <stdint.h> +#include <skalibs/uint32.h> + +uint32_t uint32_bswap (uint32_t a) +{ + return + (a & 0x000000ffu) << 24 | + (a & 0x0000ff00u) << 8 | + (a & 0x00ff0000u) >> 8 | + (a & 0xff000000u) >> 24 ; +} diff --git a/src/libstddjb/uint32_pack.c b/src/libstddjb/uint32_pack.c index a5320e0..a06ccf1 100644 --- a/src/libstddjb/uint32_pack.c +++ b/src/libstddjb/uint32_pack.c @@ -1,12 +1,11 @@ /* ISC license. */ +#include <stdint.h> +#include <string.h> #include <skalibs/uint32.h> -#include <skalibs/bytestr.h> void uint32_pack (char *s, uint32_t u) { - ((unsigned char *)s)[0] = T8(u) ; u >>= 8 ; - ((unsigned char *)s)[1] = T8(u) ; u >>= 8 ; - ((unsigned char *)s)[2] = T8(u) ; u >>= 8 ; - ((unsigned char *)s)[3] = T8(u) ; + u = uint32_little(u) ; + memcpy(s, &u, sizeof(uint32_t)) ; } diff --git a/src/libstddjb/uint32_pack_big.c b/src/libstddjb/uint32_pack_big.c index 2a17a7b..e861e7e 100644 --- a/src/libstddjb/uint32_pack_big.c +++ b/src/libstddjb/uint32_pack_big.c @@ -1,12 +1,11 @@ /* ISC license. */ +#include <stdint.h> +#include <string.h> #include <skalibs/uint32.h> -#include <skalibs/bytestr.h> void uint32_pack_big (char *s, uint32_t u) { - ((unsigned char *)s)[3] = T8(u) ; u >>= 8 ; - ((unsigned char *)s)[2] = T8(u) ; u >>= 8 ; - ((unsigned char *)s)[1] = T8(u) ; u >>= 8 ; - ((unsigned char *)s)[0] = T8(u) ; + u = uint32_big(u) ; + memcpy(s, &u, sizeof(uint32_t)) ; } diff --git a/src/libstddjb/uint32_reverse.c b/src/libstddjb/uint32_reverse.c index 51c9877..2d3f915 100644 --- a/src/libstddjb/uint32_reverse.c +++ b/src/libstddjb/uint32_reverse.c @@ -1,17 +1,17 @@ /* ISC license. */ +#include <stdint.h> +#include <string.h> #include <skalibs/uint32.h> void uint32_reverse (char *s, size_t n) { while (n--) { - char c = s[0] ; - s[0] = s[3] ; - s[3] = c ; - c = s[1] ; - s[1] = s[2] ; - s[2] = c ; - s += 4 ; + uint32_t x ; + memcpy(&x, s, sizeof(uint32_t)) ; + x = uint32_bswap(x) ; + memcpy(s, &x, sizeof(uint32_t)) ; + s += sizeof(uint32_t) ; } } diff --git a/src/libstddjb/uint32_unpack.c b/src/libstddjb/uint32_unpack.c index a9cabbb..78aca79 100644 --- a/src/libstddjb/uint32_unpack.c +++ b/src/libstddjb/uint32_unpack.c @@ -1,14 +1,12 @@ /* ISC license. */ #include <stdint.h> +#include <string.h> #include <skalibs/uint32.h> -#include <skalibs/bytestr.h> void uint32_unpack (char const *s, uint32_t *u) { - uint32_t r = T8((unsigned char)s[3]) ; r <<= 8 ; - r += T8((unsigned char)s[2]) ; r <<= 8 ; - r += T8((unsigned char)s[1]) ; r <<= 8 ; - r += T8((unsigned char)s[0]) ; - *u = r ; + uint32_t x ; + memcpy(&x, s, sizeof(uint32_t)) ; + *u = uint32_little(x) ; } diff --git a/src/libstddjb/uint32_unpack_big.c b/src/libstddjb/uint32_unpack_big.c index defde56..307141f 100644 --- a/src/libstddjb/uint32_unpack_big.c +++ b/src/libstddjb/uint32_unpack_big.c @@ -1,14 +1,12 @@ /* ISC license. */ #include <stdint.h> +#include <string.h> #include <skalibs/uint32.h> -#include <skalibs/bytestr.h> void uint32_unpack_big (char const *s, uint32_t *u) { - uint32_t r = T8((unsigned char)s[0]) ; r <<= 8 ; - r += T8((unsigned char)s[1]) ; r <<= 8 ; - r += T8((unsigned char)s[2]) ; r <<= 8 ; - r += T8((unsigned char)s[3]) ; - *u = r ; + uint32_t x ; + memcpy(&x, s, sizeof(uint32_t)) ; + *u = uint32_big(x) ; } diff --git a/src/libstddjb/uint64_bswap.c b/src/libstddjb/uint64_bswap.c new file mode 100644 index 0000000..3dfaf18 --- /dev/null +++ b/src/libstddjb/uint64_bswap.c @@ -0,0 +1,16 @@ +/* ISC license. */ + +#include <skalibs/uint64.h> + +uint64_t uint64_bswap (uint64_t a) +{ + return + (a & 0x00000000000000ffull) << 56 | + (a & 0x000000000000ff00ull) << 40 | + (a & 0x0000000000ff0000ull) << 24 | + (a & 0x00000000ff000000ull) << 8 | + (a & 0x000000ff00000000ull) >> 8 | + (a & 0x0000ff0000000000ull) >> 24 | + (a & 0x00ff000000000000ull) >> 40 | + (a & 0xff00000000000000ull) >> 56 ; +} diff --git a/src/libstddjb/uint64_pack.c b/src/libstddjb/uint64_pack.c index 5559a90..18033da 100644 --- a/src/libstddjb/uint64_pack.c +++ b/src/libstddjb/uint64_pack.c @@ -1,16 +1,10 @@ /* ISC license. */ +#include <string.h> #include <skalibs/uint64.h> -#include <skalibs/bytestr.h> void uint64_pack (char *s, uint64_t u) { - ((unsigned char *)s)[0] = T8(u) ; u >>= 8 ; - ((unsigned char *)s)[1] = T8(u) ; u >>= 8 ; - ((unsigned char *)s)[2] = T8(u) ; u >>= 8 ; - ((unsigned char *)s)[3] = T8(u) ; u >>= 8 ; - ((unsigned char *)s)[4] = T8(u) ; u >>= 8 ; - ((unsigned char *)s)[5] = T8(u) ; u >>= 8 ; - ((unsigned char *)s)[6] = T8(u) ; u >>= 8 ; - ((unsigned char *)s)[7] = T8(u) ; + u = uint64_little(u) ; + memcpy(s, &u, sizeof(uint64_t)) ; } diff --git a/src/libstddjb/uint64_pack_big.c b/src/libstddjb/uint64_pack_big.c index 381f105..c0bbcd7 100644 --- a/src/libstddjb/uint64_pack_big.c +++ b/src/libstddjb/uint64_pack_big.c @@ -1,16 +1,10 @@ /* ISC license. */ +#include <string.h> #include <skalibs/uint64.h> -#include <skalibs/bytestr.h> void uint64_pack_big (char *s, uint64_t u) { - ((unsigned char *)s)[7] = T8(u) ; u >>= 8 ; - ((unsigned char *)s)[6] = T8(u) ; u >>= 8 ; - ((unsigned char *)s)[5] = T8(u) ; u >>= 8 ; - ((unsigned char *)s)[4] = T8(u) ; u >>= 8 ; - ((unsigned char *)s)[3] = T8(u) ; u >>= 8 ; - ((unsigned char *)s)[2] = T8(u) ; u >>= 8 ; - ((unsigned char *)s)[1] = T8(u) ; u >>= 8 ; - ((unsigned char *)s)[0] = T8(u) ; + u = uint64_big(u) ; + memcpy(s, &u, sizeof(uint64_t)) ; } diff --git a/src/libstddjb/uint64_reverse.c b/src/libstddjb/uint64_reverse.c index 5a616f5..a870b31 100644 --- a/src/libstddjb/uint64_reverse.c +++ b/src/libstddjb/uint64_reverse.c @@ -1,15 +1,16 @@ /* ISC license. */ +#include <string.h> #include <skalibs/uint64.h> void uint64_reverse (char *s, size_t n) { while (n--) { - char c = s[0] ; s[0] = s[7] ; s[7] = c ; - c = s[1] ; s[1] = s[6] ; s[6] = c ; - c = s[2] ; s[2] = s[5] ; s[5] = c ; - c = s[3] ; s[3] = s[4] ; s[4] = c ; - s += 8 ; + uint64_t x ; + memcpy(&x, s, sizeof(uint64_t)) ; + x = uint64_bswap(x) ; + memcpy(s, &x, sizeof(uint64_t)) ; + s += sizeof(uint64_t) ; } } diff --git a/src/libstddjb/uint64_unpack.c b/src/libstddjb/uint64_unpack.c index 452d3ea..ca7aad9 100644 --- a/src/libstddjb/uint64_unpack.c +++ b/src/libstddjb/uint64_unpack.c @@ -1,17 +1,11 @@ /* ISC license. */ +#include <string.h> #include <skalibs/uint64.h> -#include <skalibs/bytestr.h> void uint64_unpack (char const *s, uint64_t *u) { - uint64_t r = T8((unsigned char)s[7]) ; r <<= 8 ; - r += T8((unsigned char)s[6]) ; r <<= 8 ; - r += T8((unsigned char)s[5]) ; r <<= 8 ; - r += T8((unsigned char)s[4]) ; r <<= 8 ; - r += T8((unsigned char)s[3]) ; r <<= 8 ; - r += T8((unsigned char)s[2]) ; r <<= 8 ; - r += T8((unsigned char)s[1]) ; r <<= 8 ; - r += T8((unsigned char)s[0]) ; - *u = r ; + uint64_t x ; + memcpy(&x, s, sizeof(uint64_t)) ; + *u = uint64_little(x) ; } diff --git a/src/libstddjb/uint64_unpack_big.c b/src/libstddjb/uint64_unpack_big.c index 3554dcc..f4e7d52 100644 --- a/src/libstddjb/uint64_unpack_big.c +++ b/src/libstddjb/uint64_unpack_big.c @@ -1,17 +1,11 @@ /* ISC license. */ +#include <string.h> #include <skalibs/uint64.h> -#include <skalibs/bytestr.h> void uint64_unpack_big (char const *s, uint64_t *u) { - uint64_t r = T8((unsigned char)s[0]) ; r <<= 8 ; - r += T8((unsigned char)s[1]) ; r <<= 8 ; - r += T8((unsigned char)s[2]) ; r <<= 8 ; - r += T8((unsigned char)s[3]) ; r <<= 8 ; - r += T8((unsigned char)s[4]) ; r <<= 8 ; - r += T8((unsigned char)s[5]) ; r <<= 8 ; - r += T8((unsigned char)s[6]) ; r <<= 8 ; - r += T8((unsigned char)s[7]) ; - *u = r ; + uint64_t x ; + memcpy(&x, s, sizeof(uint64_t)) ; + *u = uint64_big(x) ; } |