diff options
Diffstat (limited to 'ext/etc/etc.c')
| -rw-r--r-- | ext/etc/etc.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/ext/etc/etc.c b/ext/etc/etc.c index 18d425a8bf..e805f0e9b1 100644 --- a/ext/etc/etc.c +++ b/ext/etc/etc.c @@ -23,6 +23,10 @@ #include <grp.h> #endif +#ifdef HAVE_SYS_UTSNAME_H +#include <sys/utsname.h> +#endif + static VALUE sPasswd; #ifdef HAVE_GETGRENT static VALUE sGroup; @@ -636,6 +640,50 @@ etc_systmpdir(void) return tmpdir; } +#ifdef HAVE_UNAME +/* + * Returns the system information obtained by uname system call. + * + * The return value is a hash which has 5 keys at least: + * :sysname, :nodename, :release, :version, :machine + * + * Example: + * + * require 'etc' + * require 'pp' + * + * pp Etc.uname + * #=> {:sysname=>"Linux", + * # :nodename=>"boron", + * # :release=>"2.6.18-6-xen-686", + * # :version=>"#1 SMP Thu Nov 5 19:54:42 UTC 2009", + * # :machine=>"i686"} + * + */ +static VALUE +etc_uname(VALUE obj) +{ + struct utsname u; + int ret; + VALUE result; + + ret = uname(&u); + if (ret == -1) + rb_sys_fail("uname"); + + result = rb_hash_new(); + rb_hash_aset(result, ID2SYM(rb_intern("sysname")), rb_str_new_cstr(u.sysname)); + rb_hash_aset(result, ID2SYM(rb_intern("nodename")), rb_str_new_cstr(u.nodename)); + rb_hash_aset(result, ID2SYM(rb_intern("release")), rb_str_new_cstr(u.release)); + rb_hash_aset(result, ID2SYM(rb_intern("version")), rb_str_new_cstr(u.version)); + rb_hash_aset(result, ID2SYM(rb_intern("machine")), rb_str_new_cstr(u.machine)); + + return result; +} +#else +#define etc_uname rb_f_notimplement +#endif + /* * The Etc module provides access to information typically stored in * files in the /etc directory on Unix systems. @@ -685,6 +733,7 @@ Init_etc(void) rb_define_module_function(mEtc, "getgrent", etc_getgrent, 0); rb_define_module_function(mEtc, "sysconfdir", etc_sysconfdir, 0); rb_define_module_function(mEtc, "systmpdir", etc_systmpdir, 0); + rb_define_module_function(mEtc, "uname", etc_uname, 0); sPasswd = rb_struct_define_under(mEtc, "Passwd", "name", |