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provide safe_gethostname() for non-linux systems

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2010-03-29 11:20:00 +02:00
parent 3d0e7794eb
commit 1d448cff65
1 changed files with 6 additions and 2 deletions
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8
libbb/safe_gethostname.c
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@ -59,12 +59,16 @@ char* FAST_FUNC safe_gethostname(void)
*/ */
char* FAST_FUNC safe_getdomainname(void) char* FAST_FUNC safe_getdomainname(void)
{ {
/* The field domainname of struct utsname is Linux specific. */
#if defined(__linux__) #if defined(__linux__)
/* The field domainname of struct utsname is Linux specific. */
struct utsname uts; struct utsname uts;
uname(&uts); uname(&uts);
return xstrndup(!uts.domainname[0] ? "?" : uts.domainname, sizeof(uts.domainname)); return xstrndup(!uts.domainname[0] ? "?" : uts.domainname, sizeof(uts.domainname));
#else #else
return xstrdup("?"); /* We really don't care about people with domain names wider than most screens */
char buf[256];
int r = getdomainname(buf, sizeof(buf));
buf[sizeof(buf)-1] = '\0';
return xstrdup(r < 0 ? "?" : buf);
#endif #endif
} }