Commit 199375cb authored by unknown's avatar unknown
Browse files

Bug #7390 perror.exe doesn't work 

perror.c:
  Copy output of strerr to temp buffer to prevent system overwrite on Windows


extra/perror.c:
  Copy output of strerr to temp buffer to prevent system overwrite on Windows
parent 4b88e071

extra/perror.c

+12 −1
Original line number Diff line number Diff line
@@ -184,6 +184,7 @@ int main(int argc,char *argv[]) 
{

  int error,code,found;

  const char *msg;

  char *unknown_error = 0;

  MY_INIT(argv[0]);



  if (get_options(&argc,&argv))
@@ -212,7 +213,12 @@ int main(int argc,char *argv[]) 
      string 'Unknown Error'.  To avoid printing it we try to find the

      error string by asking for an impossible big error message.

    */

    const char *unknown_error= strerror(10000);

    msg = strerror(10000);



    /* allocate a buffer for unknown_error since strerror always returns the same pointer 

      on some platforms such as Windows */

    unknown_error = malloc( strlen(msg)+1 );

    strcpy( unknown_error, msg );



    for ( ; argc-- > 0 ; argv++)

    {
@@ -262,6 +268,11 @@ int main(int argc,char *argv[]) 
      }

    }

  }



  /* if we allocated a buffer for unknown_error, free it now */

  if (unknown_error)

	  free(unknown_error);



  exit(error);

  return error;

}