sysdeps/nacl/read.c

   1
   2 #include <errno.h>
   3 #include <unistd.h>
   4 #include <stddef.h>
   5
   6 #include <nacl_syscalls.h>
   7
   8
   9 ssize_t __libc_read (int fd, void *buf, size_t size)
  10 {
  11   int (*nacl_read)(int fd, void *buf, size_t size) =
  12     NACL_SYSCALL_ADDR(NACL_sys_read);
  13   int result = nacl_read(fd, buf, size);
  14   if (result < 0) {
  15     errno = -result;
  16     return -1;
  17   }
  18   return result;
  19 }
  20 libc_hidden_def (__libc_read)
  21 weak_alias (__libc_read, __read)
  22 libc_hidden_weak (__read)
  23 weak_alias (__libc_read, read)
  24 strong_alias (__libc_read, __read_nocancel)