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Hurd compat fixes. Mostly dealing with absent PATH_MAX

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Signed-off-by: Jérémie Koenig <jk@jk.fr.eu.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Jérémie Koenig
2010-03-26 19:08:53 +01:00
committed by Denys Vlasenko
parent 35fdb1bc9c
commit fbedacfc8c
13 changed files with 85 additions and 61 deletions
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6
libbb/safe_gethostname.c
View File

@ -59,8 +59,12 @@ char* FAST_FUNC safe_gethostname(void)
*/
char* FAST_FUNC safe_getdomainname(void)
{
/* The field domainname of struct utsname is Linux specific. */
#if defined(__linux__)
struct utsname uts;
uname(&uts);
return xstrndup(!uts.domainname[0] ? "?" : uts.domainname, sizeof(uts.domainname));
#else
return xstrdup("?");
#endif
}

10
libbb/xconnect.c
View File

@ -21,6 +21,8 @@ int FAST_FUNC setsockopt_broadcast(int fd)
{
return setsockopt(fd, SOL_SOCKET, SO_BROADCAST, &const_int_1, sizeof(const_int_1));
}
#ifdef SO_BINDTODEVICE
int FAST_FUNC setsockopt_bindtodevice(int fd, const char *iface)
{
int r;
@ -36,6 +38,14 @@ int FAST_FUNC setsockopt_bindtodevice(int fd, const char *iface)
bb_perror_msg("can't bind to interface %s", iface);
return r;
}
#else
int FAST_FUNC setsockopt_bindtodevice(int fd UNUSED_PARAM,
const char *iface UNUSED_PARAM)
{
bb_error_msg("SO_BINDTODEVICE is not supported on this system");
return -1;
}
#endif
len_and_sockaddr* FAST_FUNC get_sock_lsa(int fd)
{

6
libbb/xreadlink.c
View File

@ -100,18 +100,16 @@ char* FAST_FUNC xmalloc_readlink_or_warn(const char *path)
return buf;
}
/* UNUSED */
#if 0
char* FAST_FUNC xmalloc_realpath(const char *path)
{
#if defined(__GLIBC__) && !defined(__UCLIBC__)
/* glibc provides a non-standard extension */
/* new: POSIX.1-2008 specifies this behavior as well */
return realpath(path, NULL);
#else
char buf[PATH_MAX+1];
/* on error returns NULL (xstrdup(NULL) ==NULL) */
/* on error returns NULL (xstrdup(NULL) == NULL) */
return xstrdup(realpath(path, buf));
#endif
}
#endif