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- Made net_htons() endian-clean for big endian.

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This commit is contained in:
Paul Bakker 2009-04-19 18:55:16 +00:00
parent 2b245ebd9f
commit 1d4f30ca4d
2 changed files with 13 additions and 10 deletions
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2
ChangeLog
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@ -14,6 +14,8 @@ PolarSSL ChangeLog
Olsson).
* Centralized file opening and reading for x509 files into
load_file()
* Made definition of net_htons() endian-clean for big endian
systems (Found by Gernot).
= Version 0.10.0 released on 2009-01-12
* Migrated XySSL to PolarSSL

21
library/net.c
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@ -55,6 +55,7 @@ static int wsa_init_done = 0;
#include <fcntl.h>
#include <netdb.h>
#include <errno.h>
#include <endian.h>
#endif
@ -64,18 +65,18 @@ static int wsa_init_done = 0;
#include <time.h>
/*
* htons() is not always available
* htons() is not always available.
* By default go for LITTLE_ENDIAN variant. Otherwise hope for _BYTE_ORDER and __BIG_ENDIAN
* to help determine endianess.
*/
static unsigned short net_htons( int port )
{
unsigned char buf[4];
#if defined(__BYTE_ORDER) && defined(__BIG_ENDIAN) && __BYTE_ORDER == __BIG_ENDIAN
#define HTONS(n) (n)
#else
#define HTONS(n) (((((unsigned short)(n) & 0xFF)) << 8) | (((unsigned short)(n) & 0xFF00) >> 8))
#endif
buf[0] = (unsigned char)( port >> 8 );
buf[1] = (unsigned char)( port );
buf[2] = buf[3] = 0;
return( *(unsigned short *) buf );
}
unsigned short net_htons(unsigned short n);
#define net_htons(n) HTONS(n)
/*
* Initiate a TCP connection with host:port