support/sys-utsname.c

   1 /*
   2  * <sys/sendfile.h> wrapper functions.
   3  *
   4  * Authors:
   5  *   Jonathan Pryor (jonpryor@vt.edu)
   6  *
   7  * Copyright (C) 2004 Jonathan Pryor
   8  */
   9
  10 #include <sys/types.h>
  11 #include <errno.h>
  12 #include <stdlib.h>
  13
  14 #include "map.h"
  15 #include "mph.h"
  16
  17 #include <sys/utsname.h>
  18
  19 G_BEGIN_DECLS
  20
  21 static const mph_string_offset_t
  22 utsname_offsets[] = {
  23         MPH_STRING_OFFSET(struct utsname, sysname,  MPH_STRING_OFFSET_ARRAY),
  24         MPH_STRING_OFFSET(struct utsname, nodename, MPH_STRING_OFFSET_ARRAY),
  25         MPH_STRING_OFFSET(struct utsname, release,  MPH_STRING_OFFSET_ARRAY),
  26         MPH_STRING_OFFSET(struct utsname, version,  MPH_STRING_OFFSET_ARRAY),
  27         MPH_STRING_OFFSET(struct utsname, machine,  MPH_STRING_OFFSET_ARRAY)
  28 };
  29
  30 static const mph_string_offset_t
  31 mph_utsname_offsets[] = {
  32         MPH_STRING_OFFSET(struct Mono_Posix_Syscall__Utsname, sysname,  MPH_STRING_OFFSET_PTR),
  33         MPH_STRING_OFFSET(struct Mono_Posix_Syscall__Utsname, nodename, MPH_STRING_OFFSET_PTR),
  34         MPH_STRING_OFFSET(struct Mono_Posix_Syscall__Utsname, release,  MPH_STRING_OFFSET_PTR),
  35         MPH_STRING_OFFSET(struct Mono_Posix_Syscall__Utsname, version,  MPH_STRING_OFFSET_PTR),
  36         MPH_STRING_OFFSET(struct Mono_Posix_Syscall__Utsname, machine,  MPH_STRING_OFFSET_PTR)
  37 };
  38
  39 int
  40 Mono_Posix_Syscall_uname (struct Mono_Posix_Syscall__Utsname *buf)
  41 {
  42         struct utsname _buf;
  43         int r;
  44
  45         if (!buf) {
  46                 errno = EFAULT;
  47                 return -1;
  48         }
  49
  50         r = uname (&_buf);
  51         if (r == 0) {
  52                 buf->_buf_ = _mph_copy_structure_strings (buf, mph_utsname_offsets,
  53                                 &_buf, utsname_offsets, sizeof(utsname_offsets)/sizeof(utsname_offsets[0]));
  54                 buf->domainname = NULL;
  55                 if (!buf->_buf_) {
  56                         errno = ENOMEM;
  57                         return -1;
  58                 }
  59         }
  60         return r;
  61 }
  62
  63 G_END_DECLS
  64
  65 /*
  66  * vim: noexpandtab
  67  */