lib/libc/sys-minix/open.c

   1 #include <sys/cdefs.h>
   2 #include "namespace.h"
   3 #include <lib.h>
   4
   5 #include <fcntl.h>
   6 #include <stdarg.h>
   7 #include <string.h>
   8
   9 #ifdef __weak_alias
  10 __weak_alias(open, _open)
  11 #endif
  12
  13 int open(const char *name, int flags, ...)
  14 {
  15   va_list argp;
  16   message m;
  17
  18   va_start(argp, flags);
  19   if (flags & O_CREAT) {
  20         m.m1_i1 = strlen(name) + 1;
  21         m.m1_i2 = flags;
  22         /* Since it's a vararg parameter that is smaller than
  23          * an int, the mode was passed as an int.
  24          */
  25         m.m1_i3 = va_arg(argp, int);
  26         m.m1_p1 = (char *) __UNCONST(name);
  27   } else {
  28         _loadname(name, &m);
  29         m.m3_i2 = flags;
  30   }
  31   va_end(argp);
  32   return (_syscall(VFS_PROC_NR, OPEN, &m));
  33 }