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use a single >>32 instead of "(value / 65536) / 65536", just make sure that

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the shift is done on a 64bit type
This commit is contained in:
Daniel Stenberg
2008-12-22 22:33:03 +00:00
parent 079d20aca8
commit 5a35edcb9a
1 changed files with 2 additions and 3 deletions
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5
src/misc.c
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@@ -51,8 +51,7 @@ libssh2_ntohu32(const unsigned char *buf)
/* }}} */ /* }}} */
/* {{{ libssh2_ntohu64 /* {{{ libssh2_ntohu64
* Note: Some 32-bit platforms have issues with bitops on long longs *
* Work around this by doing expensive (but safer) arithmetic ops with optimization defying parentheses
*/ */
libssh2_uint64_t libssh2_uint64_t
libssh2_ntohu64(const unsigned char *buf) libssh2_ntohu64(const unsigned char *buf)
@@ -85,7 +84,7 @@ libssh2_htonu32(unsigned char *buf, unsigned long value)
void void
libssh2_htonu64(unsigned char *buf, libssh2_uint64_t value) libssh2_htonu64(unsigned char *buf, libssh2_uint64_t value)
{ {
unsigned long msl = (value / 65536) / 65536; unsigned long msl = ((libssh2_uint64_t)value >> 32);
buf[0] = (msl >> 24) & 0xFF; buf[0] = (msl >> 24) & 0xFF;
buf[1] = (msl >> 16) & 0xFF; buf[1] = (msl >> 16) & 0xFF;