X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/d7a4635391d9ff36152603ab6faa6eafa206750a..ab16ead7f8e3824f5099558b9d559f6520a24570:/apt-pkg/contrib/sha2_internal.cc?ds=sidebyside diff --git a/apt-pkg/contrib/sha2_internal.cc b/apt-pkg/contrib/sha2_internal.cc index f84fb761c..f70b7b17d 100644 --- a/apt-pkg/contrib/sha2_internal.cc +++ b/apt-pkg/contrib/sha2_internal.cc @@ -33,6 +33,7 @@ */ #include +#include #include /* memcpy()/memset() or bcopy()/bzero() */ #include /* assert() */ #include "sha2_internal.h" @@ -65,7 +66,7 @@ * Please make sure that your system defines BYTE_ORDER. If your * architecture is little-endian, make sure it also defines * LITTLE_ENDIAN and that the two (BYTE_ORDER and LITTLE_ENDIAN) are - * equivilent. + * equivalent. * * If your system does not define the above, then you can do so by * hand like this: @@ -128,6 +129,14 @@ typedef u_int64_t sha2_word64; /* Exactly 8 bytes */ /*** ENDIAN REVERSAL MACROS *******************************************/ #if BYTE_ORDER == LITTLE_ENDIAN +#if defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)) +#define REVERSE32(w,x) { \ + (x) = __builtin_bswap32(w); \ +} +#define REVERSE64(w,x) { \ + (x) = __builtin_bswap64(w); \ +} +#else #define REVERSE32(w,x) { \ sha2_word32 tmp = (w); \ tmp = (tmp >> 16) | (tmp << 16); \ @@ -141,6 +150,7 @@ typedef u_int64_t sha2_word64; /* Exactly 8 bytes */ (x) = ((tmp & 0xffff0000ffff0000ULL) >> 16) | \ ((tmp & 0x0000ffff0000ffffULL) << 16); \ } +#endif #endif /* BYTE_ORDER == LITTLE_ENDIAN */ /*