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htole64() etc for systems without endian.h

This commit is contained in:
Damien Miller 2024-10-27 13:28:11 +11:00
parent 0c3927c45f
commit ef7c26cd2f
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2 changed files with 26 additions and 1 deletions
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1
configure.ac
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@ -2008,7 +2008,6 @@ AC_CHECK_FUNCS([ \
strtoll \
strtoul \
strtoull \
swap32 \
sysconf \
tcgetpgrp \
timegm \

26
defines.h
View File

@ -646,6 +646,32 @@ struct winsize {
# endif /* WORDS_BIGENDIAN */
#endif /* BYTE_ORDER */
#ifndef HAVE_ENDIAN_H
# define openssh_swap32(v) \
(uint32_t)(((uint32_t)(v) & 0xff) << 24 | \
((uint32_t)(v) & 0xff00) << 8 | \
((uint32_t)(v) & 0xff0000) >> 8 | \
((uint32_t)(v) & 0xff000000) >> 24)
# define openssh_swap64(v) \
(__uint64_t)((((__uint64_t)(v) & 0xff) << 56) | \
((__uint64_t)(v) & 0xff00ULL) << 40 | \
((__uint64_t)(v) & 0xff0000ULL) << 24 | \
((__uint64_t)(v) & 0xff000000ULL) << 8 | \
((__uint64_t)(v) & 0xff00000000ULL) >> 8 | \
((__uint64_t)(v) & 0xff0000000000ULL) >> 24 | \
((__uint64_t)(v) & 0xff000000000000ULL) >> 40 | \
((__uint64_t)(v) & 0xff00000000000000ULL) >> 56)
# ifdef WORDS_BIGENDIAN
# define le32toh(v) (openssh_swap32(v))
# define le64toh(v) (openssh_swap64(v))
# define htole64(v) (openssh_swap64(v))
# else
# define le32toh(v) ((uint32_t)v)
# define le64toh(v) ((uint64_t)v)
# define htole64(v) ((uint64_t)v)
# endif
#endif
/* Function replacement / compatibility hacks */
#if !defined(HAVE_GETADDRINFO) && (defined(HAVE_OGETADDRINFO) || defined(HAVE_NGETADDRINFO))