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authorThomas Guyot-Sionnest <dermoth@aei.ca>2010-04-08 01:11:46 (GMT)
committerThomas Guyot-Sionnest <dermoth@aei.ca>2010-04-13 01:26:35 (GMT)
commit74da141e618ef99959d509cb2e7be35a348a39db (patch)
tree88ebc38b381a1021fc2d74864a71e230ae591c3d /gl/gethostname.c
parentc63a4f726a0b6ad8cf6040f947754a81fd4683bb (diff)
downloadmonitoring-plugins-74da141e618ef99959d509cb2e7be35a348a39db.tar.gz
Sync with the latest Gnulib code (177f525)
Signed-off-by: Thomas Guyot-Sionnest <dermoth@aei.ca>
Diffstat (limited to 'gl/gethostname.c')
-rw-r--r--gl/gethostname.c55
1 files changed, 52 insertions, 3 deletions
diff --git a/gl/gethostname.c b/gl/gethostname.c
index acff351..b0da748 100644
--- a/gl/gethostname.c
+++ b/gl/gethostname.c
@@ -1,6 +1,7 @@
1/* gethostname emulation for SysV and POSIX.1. 1/* gethostname emulation for SysV and POSIX.1.
2 2
3 Copyright (C) 1992, 2003, 2006, 2008 Free Software Foundation, Inc. 3 Copyright (C) 1992, 2003, 2006, 2008, 2009, 2010 Free Software Foundation,
4 Inc.
4 5
5 This program is free software: you can redistribute it and/or modify 6 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by 7 it under the terms of the GNU General Public License as published by
@@ -15,10 +16,14 @@
15 You should have received a copy of the GNU General Public License 16 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 17 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17 18
18/* David MacKenzie <djm@gnu.ai.mit.edu> */ 19/* David MacKenzie <djm@gnu.ai.mit.edu>
20 Windows port by Simon Josefsson <simon@josefsson.org> */
19 21
20#include <config.h> 22#include <config.h>
21 23
24#if !((defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__)
25/* Unix API. */
26
22/* Specification. */ 27/* Specification. */
23#include <unistd.h> 28#include <unistd.h>
24 29
@@ -50,7 +55,51 @@ gethostname (char *name, size_t len)
50 } 55 }
51 strncpy (name, uts.nodename, len); 56 strncpy (name, uts.nodename, len);
52#else 57#else
53 strcpy (name, ""); /* Hardcode your system name if you want. */ 58 strcpy (name, ""); /* Hardcode your system name if you want. */
54#endif 59#endif
55 return 0; 60 return 0;
56} 61}
62
63#else
64/* Native Windows API. Which primitive to choose?
65 - gethostname() requires linking with -lws2_32.
66 - GetComputerName() does not return the right kind of hostname.
67 - GetComputerNameEx(ComputerNameDnsHostname,...) returns the right hostname,
68 but it is hard to use portably:
69 - It requires defining _WIN32_WINNT to at least 0x0500.
70 - With mingw, it also requires
71 "#define GetComputerNameEx GetComputerNameExA".
72 - With older versions of mingw, none of the declarations are present at
73 all, not even of the enum value ComputerNameDnsHostname.
74 So we use gethostname(). Linking with -lws2_32 is the least evil. */
75
76#define WIN32_LEAN_AND_MEAN
77/* Get winsock2.h. */
78#include <unistd.h>
79
80/* Get INT_MAX. */
81#include <limits.h>
82
83/* Get set_winsock_errno. */
84#include "w32sock.h"
85
86#include "sockets.h"
87
88#undef gethostname
89
90int
91rpl_gethostname (char *name, size_t len)
92{
93 int r;
94
95 if (len > INT_MAX)
96 len = INT_MAX;
97 gl_sockets_startup (SOCKETS_1_1);
98 r = gethostname (name, (int) len);
99 if (r < 0)
100 set_winsock_errno ();
101
102 return r;
103}
104
105#endif