root/lib/open.c

/* */

DEFINITIONS

1. open

   1 /*
   2  *  linux/lib/open.c
   3  *
   4  *  Copyright (C) 1991, 1992  Linus Torvalds
   5  */
   6 
   7 #define __LIBRARY__
   8 #include <linux/unistd.h>
   9 #include <stdarg.h>
  10 
  11 int open(const char * filename, int flag, ...)
     /*  */
  12 {
  13         register int res;
  14         va_list arg;
  15 
  16         va_start(arg,flag);
  17         __asm__("movl %2,%%ebx\n\t"
  18                 "int $0x80"
  19                 :"=a" (res)
  20                 :"0" (__NR_open),"g" ((long)(filename)),"c" (flag),
  21                 "d" (va_arg(arg,int)));
  22         if (res>=0)
  23                 return res;
  24         errno = -res;
  25         return -1;
  26 }

/* */