arch/all-hosted/bootstrap/log.c

   1 #include <fcntl.h>
   2 #include <stdio.h> /* Needed for STDERR_FILENO on Windows */
   3 #ifdef _WIN32
   4 #include <io.h>
   5 #else
   6 #include <unistd.h>
   7 #endif
   8
   9 #include "log.h"
  10
  11 int SetLog(const char *c)
  12 {
  13     /*
  14      * Redirect stderr on filedescriptor level.
  15      * Redirecting on streams level does not work with Android's Bionic
  16      */
  17     int fd = open(c, O_WRONLY|O_CREAT|O_APPEND, 0644);
  18
  19     if (fd == -1)
  20         return -1;
  21
  22     if (dup2(fd, STDERR_FILENO) == -1)
  23     {
  24         close(fd);
  25         return -1;
  26     }
  27
  28     return 0;
  29 }