udev_libc_wrapper.h

   1 /*
   2  * udev_libc_wrapper - wrapping of functions missing in a specific libc
   3  *                     or not working in a statically compiled binary
   4  *
   5  * Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org>
   6  *
   7  *      This program is free software; you can redistribute it and/or modify it
   8  *      under the terms of the GNU General Public License as published by the
   9  *      Free Software Foundation version 2 of the License.
  10  *
  11  *      This program is distributed in the hope that it will be useful, but
  12  *      WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  *      General Public License for more details.
  15  *
  16  *      You should have received a copy of the GNU General Public License along
  17  *      with this program; if not, write to the Free Software Foundation, Inc.,
  18  *      675 Mass Ave, Cambridge, MA 02139, USA.
  19  *
  20  */
  21
  22 #ifndef _UDEV_LIBC_WRAPPER_H_
  23 #define _UDEV_LIBC_WRAPPER_H_
  24
  25 #undef asmlinkage
  26 #ifdef __i386__
  27 #define asmlinkage      __attribute__((regparm(0)))
  28 #else
  29 #define asmlinkage
  30 #endif
  31
  32 #ifndef __FD_SET
  33 #define __FD_SET(d, set) ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
  34 #endif
  35 #ifndef __FD_CLR
  36 #define __FD_CLR(d, set) ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
  37 #endif
  38 #ifndef __FD_ISSET
  39 #define __FD_ISSET(d, set) (((set)->fds_bits[__FDELT(d)] & __FDMASK(d)) != 0)
  40 #endif
  41 #ifndef __FD_ZERO
  42 #define __FD_ZERO(set) ((void) memset ((void*) (set), 0, sizeof (fd_set)))
  43 #endif
  44
  45 #include <string.h>
  46
  47 extern uid_t lookup_user(const char *user);
  48 extern gid_t lookup_group(const char *group);
  49
  50 #ifndef strlcat
  51 extern size_t strlcpy(char *dst, const char *src, size_t size);
  52 #endif
  53
  54 #ifndef strlcat
  55 extern size_t strlcat(char *dst, const char *src, size_t size);
  56 #endif
  57
  58 #endif /* _UDEV_LIBC_WRAPPER_H_ */