usr/src/lib/libc/port/sys/uname.c

   1 /*
   2  * Copyright 2017 Lauri Tirkkonen <lotheac@iki.fi>
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 #include <errno.h>
  18 #include <stdlib.h>
  19 #include <string.h>
  20 #include <sys/syscall.h>
  21 #include <sys/utsname.h>
  22
  23 int
  24 uname(struct utsname *name)
  25 {
  26         int ret = syscall(SYS_uname, name);
  27         int serr = errno;
  28         if (ret >= 0 && getenv("UNAME_LEGACY")) {
  29                 strlcpy(name->sysname, "SunOS", sizeof(name->sysname));
  30                 strlcpy(name->release, "5.11", sizeof(name->release));
  31                 strlcpy(name->version, "legacy-uname", sizeof(name->version));
  32         }
  33         errno = serr;
  34         return ret;
  35 }
  36 /* binary compat alias */
  37 #pragma weak _nuname = uname