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author | Richard Maw <richard.maw@codethink.co.uk> | 2012-01-17 14:43:55 +0000 |
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committer | Richard Maw <richard.maw@codethink.co.uk> | 2012-01-17 14:43:55 +0000 |
commit | 2de9abc5c9d40b3c716307d67d16146f823fd554 (patch) | |
tree | 6979db67934ddc8b564150b465846a383b428ff8 /gnulib/lib/gethostname.c | |
parent | 33cc1c6fda6e72a7bae1401e9b2cec495a4d3ff1 (diff) | |
download | patch-baserock/bootstrap.tar.gz |
add the output of bootstrapbaserock/bootstrap-pass2baserock/bootstrap
Diffstat (limited to 'gnulib/lib/gethostname.c')
m--------- | gnulib | 0 | ||||
-rw-r--r-- | gnulib/lib/gethostname.c | 104 |
2 files changed, 104 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/lib/gethostname.c b/gnulib/lib/gethostname.c new file mode 100644 index 0000000..9de54bc --- /dev/null +++ b/gnulib/lib/gethostname.c @@ -0,0 +1,104 @@ +/* gethostname emulation for SysV and POSIX.1. + + Copyright (C) 1992, 2003, 2006, 2008-2011 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +/* David MacKenzie <djm@gnu.ai.mit.edu> + Windows port by Simon Josefsson <simon@josefsson.org> */ + +#include <config.h> + +#if !((defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__) +/* Unix API. */ + +/* Specification. */ +#include <unistd.h> + +#ifdef HAVE_UNAME +# include <sys/utsname.h> +#endif + +#include <string.h> + +/* Put up to LEN chars of the host name into NAME. + Null terminate it if the name is shorter than LEN. + Return 0 if ok, -1 if error. */ + +#include <stddef.h> + +int +gethostname (char *name, size_t len) +{ +#ifdef HAVE_UNAME + struct utsname uts; + + if (uname (&uts) == -1) + return -1; + if (len > sizeof (uts.nodename)) + { + /* More space than we need is available. */ + name[sizeof (uts.nodename)] = '\0'; + len = sizeof (uts.nodename); + } + strncpy (name, uts.nodename, len); +#else + strcpy (name, ""); /* Hardcode your system name if you want. */ +#endif + return 0; +} + +#else +/* Native Windows API. Which primitive to choose? + - gethostname() requires linking with -lws2_32. + - GetComputerName() does not return the right kind of hostname. + - GetComputerNameEx(ComputerNameDnsHostname,...) returns the right hostname, + but it is hard to use portably: + - It requires defining _WIN32_WINNT to at least 0x0500. + - With mingw, it also requires + "#define GetComputerNameEx GetComputerNameExA". + - With older versions of mingw, none of the declarations are present at + all, not even of the enum value ComputerNameDnsHostname. + So we use gethostname(). Linking with -lws2_32 is the least evil. */ + +#define WIN32_LEAN_AND_MEAN +/* Get winsock2.h. */ +#include <unistd.h> + +/* Get INT_MAX. */ +#include <limits.h> + +/* Get set_winsock_errno. */ +#include "w32sock.h" + +#include "sockets.h" + +#undef gethostname + +int +rpl_gethostname (char *name, size_t len) +{ + int r; + + if (len > INT_MAX) + len = INT_MAX; + gl_sockets_startup (SOCKETS_1_1); + r = gethostname (name, (int) len); + if (r < 0) + set_winsock_errno (); + + return r; +} + +#endif |