minix/lib/libc/sys/readlink.c

   1 #include <sys/cdefs.h>
   2 #include <lib.h>
   3 #include "namespace.h"
   4
   5 #include <unistd.h>
   6 #include <string.h>
   7
   8 #ifdef __weak_alias
   9 __weak_alias(readlink, _readlink)
  10 #endif
  11
  12 ssize_t readlink(const char *name, char *buffer, size_t bufsiz)
  13 {
  14   message m;
  15
  16   memset(&m, 0, sizeof(m));
  17   m.m_lc_vfs_readlink.namelen = strlen(name) + 1;
  18   m.m_lc_vfs_readlink.bufsize = bufsiz;
  19   m.m_lc_vfs_readlink.name = (vir_bytes)name;
  20   m.m_lc_vfs_readlink.buf = (vir_bytes)buffer;
  21
  22   return(_syscall(VFS_PROC_NR, VFS_READLINK, &m));
  23 }