Silva97

import inspect


class Pipe:
    """
    Create a wrapper to pipe function calls with the given value.
    The functions could be: value's method, builtin or any
    function in the current module.

    Examples:

Silva97

# By Luiz Felipe Silva (https://github.com/Silva97)

## References ##
# sys_rt_sigreturn: https://elixir.bootlin.com/linux/latest/source/arch/x86/um/signal.c#L560
# sigframe: https://elixir.bootlin.com/linux/latest/source/arch/x86/include/asm/sigframe.h
# ucontext: https://elixir.bootlin.com/linux/latest/source/include/uapi/asm-generic/ucontext.h
# sigcontext: https://elixir.bootlin.com/linux/latest/source/arch/x86/include/uapi/asm/sigcontext.h#L324

import struct

Silva97

#include <stdio.h>
#include "target.h"

OS_LINUX(char *os, void)
{
  return "Linux";
}

OS_WINDOWS(char *os, void)
{

Silva97

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

#define CATCH(name) \
  if (0)            \
  _catch_##name:

#define FAIL(name) goto _catch_##name

#define FAIL_IF(expr, name) \

Silva97

/**
 * Example by Luiz Felipe (Silva97)
 *
 * It's just an example. Don't consider it a final code and DON'T write
 * all your code on a unique module, please.
 *
 * Tip: Use a struct to manipulate translate units instead of use only a
 *      FILE pointer ;)
 */

Silva97

#include <stdio.h>
#include "printstruct.h"

typedef struct
{
  int a;
  char *b;
  char c;
  long int d;
  long long int e;

Silva97

// See how it's works using: gcc -S get-function-size.c -o get-function-size.s
// To manually check function size: objdump -d get-function-size
#include <stdio.h>

#define DECLARE_FUNCSIZE(funcname)         \
  extern unsigned int funcname##_funcsize; \
  asm(#funcname "_funcsize: .long . - " #funcname "\n\t")

#define FUNCSIZE(funcname) \
  funcname##_funcsize

Silva97

#define _GNU_SOURCE
#include <dlfcn.h>

typedef int (*puts_t)(const char *);

int puts(const char *string)
{
    puts_t original_puts = dlsym(RTLD_NEXT, "puts");

    original_puts("-- Hookado --");

Silva97

// Just an exercise example.
#include <stdio.h>
#include <stdlib.h>

void crep(int character, unsigned int number);

int main(int argc, char **argv)
{
    if (argc < 2)
    {

Silva97

#include <stdio.h>

int main(void)
{
    int x = 5;
    float y = 5.0f;

    int *x_ptr = &x;
    int *y_ptr = (int *)&y;