/*
* Copyright ( C ) 2008 The Android Open Source Project
* All rights reserved .
*
* Redistribution and use in source and binary forms , with or without
* modification , are permitted provided that the following conditions
* are met :
* * Redistributions of source code must retain the above copyright
* notice , this list of conditions and the following disclaimer .
* * Redistributions in binary form must reproduce the above copyright
* notice , this list of conditions and the following disclaimer in
* the documentation and / or other materials provided with the
* distribution .
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* " AS IS " AND ANY EXPRESS OR IMPLIED WARRANTIES , INCLUDING , BUT NOT
* LIMITED TO , THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED . IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT , INDIRECT ,
* INCIDENTAL , SPECIAL , EXEMPLARY , OR CONSEQUENTIAL DAMAGES ( INCLUDING ,
* BUT NOT LIMITED TO , PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES ; LOSS
* OF USE , DATA , OR PROFITS ; OR BUSINESS INTERRUPTION ) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY , WHETHER IN CONTRACT , STRICT LIABILITY ,
* OR TORT ( INCLUDING NEGLIGENCE OR OTHERWISE ) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE , EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE .
*/
#include <errno.h>
#include <string.h>
#include <sys/utsname.h>
#include <unistd.h>
static inline int __safe_name_copy(char * dst, size_t n, const char * src, int too_long_errno) {
size_t name_length = static_cast <size_t>(strlen(src) + 1 );
if (name_length > n) {
errno = too_long_errno;
return -1 ;
}
memcpy(dst, src, name_length);
return 0 ;
}
int gethostname(char * buf, size_t n) {
utsname uts = {};
if (uname(&uts) == -1 ) return -1 ;
return __safe_name_copy(buf, n, uts.nodename, ENAMETOOLONG);
}
int getdomainname(char * buf, size_t n) {
utsname uts = {};
if (uname(&uts) == -1 ) return -1 ;
return __safe_name_copy(buf, n, uts.domainname, EINVAL);
}
Messung V0.5 in Prozent C=98 H=92 G=94
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-06-28)
¤
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