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From: "neleai at seznam dot cz" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/16458] endian.h macros return integers of wrong type
Date: Thu, 16 Jan 2014 13:14:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=16458

Ondrej Bilka <neleai at seznam dot cz> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |neleai at seznam dot cz
         Resolution|---                         |INVALID

--- Comment #1 from Ondrej Bilka <neleai at seznam dot cz> ---
This is documented behaviour. Manpage has following prototype:

SYNOPSIS
       #define _BSD_SOURCE           /* See feature_test_macros(7) */
       #include <endian.h>

       uint16_t htobe16(uint16_t host_16bits);
       uint16_t htole16(uint16_t host_16bits);
       uint16_t be16toh(uint16_t big_endian_16bits);
       uint16_t le16toh(uint16_t little_endian_16bits);

       uint32_t htobe32(uint32_t host_32bits);
       uint32_t htole32(uint32_t host_32bits);
       uint32_t be32toh(uint32_t big_endian_32bits);
       uint32_t le32toh(uint32_t little_endian_32bits);

       uint64_t htobe64(uint64_t host_64bits);
       uint64_t htole64(uint64_t host_64bits);
       uint64_t be64toh(uint64_t big_endian_64bits);
       uint64_t le64toh(uint64_t little_endian_64bits);

So you need to use uint64_t as type of i.

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