pedrominicz

#include <stdio.h>
#include <stdlib.h>

#include <EGL/egl.h>
#include <GL/gl.h>
#include <X11/Xlib.h>

static struct {
  Display* display;
  Window root_window;

corehello

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>

typedef struct {
  size_t         width;
  size_t         height;
  unsigned char *data;
} Image;

jrelo

Source material:
  http://security.stackexchange.com/questions/24444/what-is-the-most-hardened-set-of-options-for-gcc-compiling-c-c
  https://wiki.gentoo.org/wiki/Hardened_Gentoo
  https://wiki.debian.org/Hardening

================================================================================================================>
GCC Security related flags and options:

CFLAGS="-fPIE -fstack-protector-all -D_FORTIFY_SOURCE=2" 
LDFLAGS="-Wl,-z,now -Wl,-z,relro"