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#include <fcntl.h>

extern void exit(int code);
extern int main(int argc, char *argv[], char *env);
extern char __bss_start;
extern char _end;
extern char **environ;

void _start(int argc, char *argv[], char *env[])
{
	environ = env;
	exit(main(argc, argv, env))
}

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#include <sys/stat.h>
#include <sys/types.h>
#include <sys/fcntl.h>
#include <sys/times.h>
#include <sys/errno.h>
#include <sys/time.h>
#include <stdio.h>
#include <errno.h>
#undef errno

#define SYSCALL_RESERVED		0
#define SYSCALL_EXIT			1
#define SYSCALL_OPEN			2
#define SYSCALL_CLOSE			3
#define SYSCALL_MOUNT			4
#define SYSCALL_UMOUNT			5
#define SYSCALL_READ			6
#define SYSCALL_WRITE			7
#define SYSCALL_SEEK			8
#define SYSCALL_READDIR			9
#define SYSCALL_FORK			10
#define SYSCALL_FORKEXEC		11			// Mélange entre fork et exec (mais en plus optimisé), pas encore supporté
#define SYSCALL_MKDIR			12
#define SYSCALL_RMDIR			13
#define SYSCALL_UNLINK			14
#define SYSCALL_EXEC			15
#define SYSCALL_MKNOD			16
#define SYSCALL_IOCTL			17
#define SYSCALL_BRK				18
#define SYSCALL_CHDIR			19
#define SYSCALL_GETCWD			20
#define SYSCALL_DUP				21
#define SYSCALL_DUP2			22
#define SYSCALL_GETPID          23
#define SYSCALL_ISATTY          24
#define SYSCALL_TIME            25
#define SYSCALL_WAITPID         26
#define SYSCALL_KILL            27
#define SYSCALL_SIGACTION       28
#define SYSCALL_SIGRETURN       29

static unsigned int brk_end = 0;

int syscall3(int id, unsigned int arg0, unsigned int arg1, unsigned int arg2)
{
	int retval;
	asm volatile("mov %1, %%eax				\n\
				  mov %2, %%ebx				\n\
				  mov %3, %%ecx				\n\
				  mov %4, %%edx				\n\
				  int $0x80					\n\
				  mov %%eax, %0" : "=m"(retval) : "m"(id), "m"(arg0), "m"(arg1), "m"(arg2));

	return retval;
}

int syscall0(int id)
{
	return syscall3(id, 0, 0, 0);
}

int syscall1(int id, unsigned int arg0)
{
	return syscall3(id, arg0, 0, 0);
}

int syscall2(int id, unsigned int arg0, unsigned int arg1)
{
	return syscall3(id, arg0, arg1, 0);
}
int haoudos_brk(void *addr)
{
	unsigned int result = syscall1(SYSCALL_BRK, (unsigned int)addr);

	if (result == 0)
		return -1;		

	brk_end = (unsigned int)result;
	return 0;
}

caddr_t sbrk(int incr)
{
	if(brk_end == 0)
		haoudos_brk(NULL);			// Initialise le heap

	unsigned int old_brk_end = brk_end;

	int result = haoudos_brk((void *)(brk_end + incr));

	if (result == -1)
		return 0;

	return old_brk_end;
}

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

int main(int argc, char *argv[])
{
	printf("Test de printf\n");
	exit(0);
	
	return 0;
}

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2577	    if (chunksize(top) < nb || remainder_size < (long)MINSIZE)
2579	      MALLOC_UNLOCK;
2580	      return 0; /* propagate failure */

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#pragma GCC push_options
#pragma GCC optimize ("O0")

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#pragma GCC pop_options)