Mercurial > hg > octave-kai > gnulib-hg
annotate lib/gethostname.c @ 5848:a48fb0e98c8c
*** empty log message ***
| author | Paul Eggert <eggert@cs.ucla.edu> |
|---|---|
| date | Sat, 14 May 2005 06:03:57 +0000 |
| parents | 3bce69327687 |
| children | 8a1a9361108c |
| rev | line source |
|---|---|
| 9 | 1 /* gethostname emulation for SysV and POSIX.1. |
| 4645 | 2 Copyright (C) 1992, 2003 Free Software Foundation, Inc. |
| 9 | 3 |
| 4 This program is free software; you can redistribute it and/or modify | |
| 5 it under the terms of the GNU General Public License as published by | |
| 6 the Free Software Foundation; either version 2, or (at your option) | |
| 7 any later version. | |
| 8 | |
| 9 This program is distributed in the hope that it will be useful, | |
| 10 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 GNU General Public License for more details. | |
| 13 | |
| 14 You should have received a copy of the GNU General Public License | |
|
651
242f0fe39aa7
update FSF address in copyright
Jim Meyering <jim@meyering.net>
parents:
9
diff
changeset
|
15 along with this program; if not, write to the Free Software Foundation, |
|
5848
a48fb0e98c8c
*** empty log message ***
Paul Eggert <eggert@cs.ucla.edu>
parents:
4645
diff
changeset
|
16 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ |
| 9 | 17 |
| 18 /* David MacKenzie <djm@gnu.ai.mit.edu> */ | |
| 19 | |
|
651
242f0fe39aa7
update FSF address in copyright
Jim Meyering <jim@meyering.net>
parents:
9
diff
changeset
|
20 #ifdef HAVE_CONFIG_H |
| 653 | 21 # include <config.h> |
|
651
242f0fe39aa7
update FSF address in copyright
Jim Meyering <jim@meyering.net>
parents:
9
diff
changeset
|
22 #endif |
|
242f0fe39aa7
update FSF address in copyright
Jim Meyering <jim@meyering.net>
parents:
9
diff
changeset
|
23 |
| 9 | 24 #ifdef HAVE_UNAME |
| 653 | 25 # include <sys/utsname.h> |
| 9 | 26 #endif |
| 27 | |
| 28 /* Put up to LEN chars of the host name into NAME. | |
| 29 Null terminate it if the name is shorter than LEN. | |
| 30 Return 0 if ok, -1 if error. */ | |
| 31 | |
| 4645 | 32 #include <stddef.h> |
| 33 | |
| 9 | 34 int |
| 4645 | 35 gethostname (char *name, size_t len) |
| 9 | 36 { |
| 37 #ifdef HAVE_UNAME | |
| 38 struct utsname uts; | |
| 39 | |
| 40 if (uname (&uts) == -1) | |
| 41 return -1; | |
| 42 if (len > sizeof (uts.nodename)) | |
| 43 { | |
| 44 /* More space than we need is available. */ | |
| 45 name[sizeof (uts.nodename)] = '\0'; | |
| 46 len = sizeof (uts.nodename); | |
| 47 } | |
| 48 strncpy (name, uts.nodename, len); | |
| 49 #else | |
| 50 strcpy (name, ""); /* Hardcode your system name if you want. */ | |
| 51 #endif | |
| 52 return 0; | |
| 53 } |