compilers/lcc-4.2/include/alpha/osf/stdarg.h

   1 #ifndef __STDARG
   2 #define __STDARG
   3
   4 #if !defined(_VA_LIST) && !defined(__VA_LIST_DEFINED)
   5 #define _VA_LIST
   6 #define _VA_LIST_DEFINED
   7 typedef struct {
   8         char    *_a0;           /* pointer to first homed integer arg */
   9         int     _offset;        /* byte offset of next param */
  10         float   _tmp;
  11 } __va_list;
  12 #endif
  13 static float __va_arg_tmp;
  14 typedef __va_list va_list;
  15
  16 #define va_start(list, start) ((void)( \
  17         (list)._a0 = (__typecode(__firstarg)==1 ? \
  18                 (char*)&__firstarg+48 : (char *)&__firstarg), \
  19         (list)._offset = (__typecode(start)==1 ? \
  20                 (char*)&start+56 : (char *)&start+8)-(list)._a0))
  21 #define va_arg(list, mode) (*(mode *)( \
  22         (list)._offset += (int)((sizeof(mode)+7)&~7), \
  23         (__typecode(mode)==1 && sizeof(mode)==4) ? \
  24                 ((list)._tmp = (float)*(double *)((list)._a0 + (list)._offset - \
  25                         ((list)._offset <= 48 ? 56 : 8))), (char *)&(list)._tmp : \
  26         (__typecode(mode)==1 && (list)._offset <= 48) ? \
  27                 (list)._a0 + (list)._offset - 56 : \
  28         (list)._a0 + (list)._offset - (int)((sizeof(mode)+7)&~7)))
  29 #define va_end(list) ((void)0)
  30 #endif