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sync with lib/setup_once.h

This commit is contained in:
Yang Tse 2007-10-17 16:59:24 +00:00
parent 92433e596b
commit 582bad89ef
1 changed files with 106 additions and 1 deletions
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107
ares/setup_once.h
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@ -91,6 +91,13 @@ struct timeval {
#endif
#if defined(__minix)
/* Minix doesn't support recv on TCP sockets */
#define sread(x,y,z) (ssize_t)read((RECV_TYPE_ARG1)(x), \
(RECV_TYPE_ARG2)(y), \
(RECV_TYPE_ARG3)(z))
#elif defined(HAVE_RECV)
/*
* The definitions for the return type and arguments types
* of functions recv() and send() belong and come from the
@ -136,7 +143,14 @@ struct timeval {
#endif
#endif /* HAVE_RECV */
#ifdef HAVE_SEND
#if defined(__minix)
/* Minix doesn't support send on TCP sockets */
#define swrite(x,y,z) (ssize_t)write((SEND_TYPE_ARG1)(x), \
(SEND_TYPE_ARG2)(y), \
(SEND_TYPE_ARG3)(z))
#elif defined(HAVE_SEND)
#if !defined(SEND_TYPE_ARG1) || \
!defined(SEND_QUAL_ARG2) || \
!defined(SEND_TYPE_ARG2) || \
@ -358,5 +372,96 @@ typedef int sig_atomic_t;
#endif
/*
* We use this ZERO_NULL to avoid picky compiler warnings,
* when assigning a NULL pointer to a function pointer var.
*/
#define ZERO_NULL 0
#if defined (__LP64__) && defined(__hpux) && !defined(_XOPEN_SOURCE_EXTENDED)
#include <sys/socket.h>
/* HP-UX has this oddity where it features a few functions that don't work
with socklen_t so we need to convert to ints
This is due to socklen_t being a 64bit int under 64bit ABI, but the
pre-xopen (default) interfaces require an int, which is 32bits.
Therefore, Anytime socklen_t is passed by pointer, the libc function
truncates the 64bit socklen_t value by treating it as a 32bit value.
Note that some socket calls are allowed to have a NULL pointer for
the socklen arg.
*/
inline static int Curl_hp_getsockname(int s, struct sockaddr *name,
socklen_t *namelen)
{
int rc;
if(namelen) {
int len = *namelen;
rc = getsockname(s, name, &len);
*namelen = len;
}
else
rc = getsockname(s, name, 0);
return rc;
}
inline static int Curl_hp_getsockopt(int s, int level, int optname,
void *optval, socklen_t *optlen)
{
int rc;
if(optlen) {
int len = *optlen;
rc = getsockopt(s, level, optname, optval, &len);
*optlen = len;
}
else
rc = getsockopt(s, level, optname, optval, 0);
return rc;
}
inline static int Curl_hp_accept(int sockfd, struct sockaddr *addr,
socklen_t *addrlen)
{
int rc;
if(addrlen) {
int len = *addrlen;
rc = accept(sockfd, addr, &len);
*addrlen = len;
}
else
rc = accept(sockfd, addr, 0);
return rc;
}
inline static ssize_t Curl_hp_recvfrom(int s, void *buf, size_t len, int flags,
struct sockaddr *from,
socklen_t *fromlen)
{
ssize_t rc;
if(fromlen) {
int fromlen32 = *fromlen;
rc = recvfrom(s, buf, len, flags, from, &fromlen32);
*fromlen = fromlen32;
}
else {
rc = recvfrom(s, buf, len, flags, from, 0);
}
return rc;
}
#define getsockname(a,b,c) Curl_hp_getsockname((a),(b),(c))
#define getsockopt(a,b,c,d,e) Curl_hp_getsockopt((a),(b),(c),(d),(e))
#define accept(a,b,c) Curl_hp_accept((a),(b),(c))
#define recvfrom(a,b,c,d,e,f) Curl_hp_recvfrom((a),(b),(c),(d),(e),(f))
#endif /* HPUX work-around */
#endif /* __SETUP_ONCE_H */