root/lib/open.c

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DEFINITIONS

This source file includes following definitions.
  1. open

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

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