Alphare created this revision. Herald added a reviewer: hg-reviewers. Herald added a subscriber: mercurial-patches.
REPOSITORY rHG Mercurial BRANCH default REVISION DETAIL https://phab.mercurial-scm.org/D9845 AFFECTED FILES mercurial/bitmanipulation.h CHANGE DETAILS diff --git a/mercurial/bitmanipulation.h b/mercurial/bitmanipulation.h --- a/mercurial/bitmanipulation.h +++ b/mercurial/bitmanipulation.h @@ -5,6 +5,29 @@ #include "compat.h" +/* Reads a 64 bit integer from big-endian bytes. Assumes that the data is long + enough */ +static inline uint64_t getbe64(const char *c) +{ + const unsigned char *d = (const unsigned char *)c; + + return ((((uint64_t)d[0]) << 56) + | + (((uint64_t)d[1]) << 48) + | + (((uint64_t)d[2]) << 40) + | + (((uint64_t)d[3]) << 32) + | + (((uint64_t)d[4]) << 24) + | + (((uint64_t)d[5]) << 16) + | + (((uint64_t)d[6]) << 8) + | + (d[7])); +} + static inline uint32_t getbe32(const char *c) { const unsigned char *d = (const unsigned char *)c; @@ -27,6 +50,20 @@ return ((d[0] << 8) | (d[1])); } +/* Writes a 64 bit integer to bytes in a big-endian format. + Assumes that the buffer is long enough */ +static inline void putbe64(uint64_t x, char *c) +{ + c[0] = (x >> 56) & 0xff; + c[1] = (x >> 48) & 0xff; + c[2] = (x >> 40) & 0xff; + c[3] = (x >> 32) & 0xff; + c[4] = (x >> 24) & 0xff; + c[5] = (x >> 16) & 0xff; + c[6] = (x >> 8) & 0xff; + c[7] = (x) & 0xff; +} + static inline void putbe32(uint32_t x, char *c) { c[0] = (x >> 24) & 0xff; To: Alphare, #hg-reviewers Cc: mercurial-patches, mercurial-devel _______________________________________________ Mercurial-devel mailing list Mercurial-devel@mercurial-scm.org https://www.mercurial-scm.org/mailman/listinfo/mercurial-devel
