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ajout de l'effacement selectif lors de l'opti, pas ouf ouf

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This commit is contained in:
pia Lepetit
2019-06-03 08:16:18 +02:00
parent f1471562f3
commit 602ebf070d
81 changed files with 2615 additions and 45 deletions
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27
libft/src/mem/ft_memalloc.c Normal file
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@@ -0,0 +1,27 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_memalloc.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: hulamy <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2018/11/14 21:11:58 by hulamy #+# #+# */
/* Updated: 2019/04/03 15:42:06 by hulamy ### ########.fr */
/* */
/* ************************************************************************** */
/*
** allocate size byte of memory and return a pointer to the allocated memory
*/
#include "libft.h"
void *ft_memalloc(size_t size)
{
void *tmp;
if (!(tmp = malloc(size)))
return (NULL);
ft_bzero(tmp, size);
return (tmp);
}

36
libft/src/mem/ft_memccpy.c Normal file
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@@ -0,0 +1,36 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_memccpy.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: hulamy <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2018/11/14 21:12:10 by hulamy #+# #+# */
/* Updated: 2019/04/03 15:42:41 by hulamy ### ########.fr */
/* */
/* ************************************************************************** */
/*
** copy string until character is found and place cursor in dst
** after last byte copied
*/
#include "libft.h"
void *ft_memccpy(void *dst, const void *src, int c, size_t n)
{
unsigned char *dest;
unsigned char *sourc;
size_t i;
i = -1;
dest = (unsigned char *)dst;
sourc = (unsigned char *)src;
while (++i < n)
{
dest[i] = sourc[i];
if (sourc[i] == (unsigned char)c)
return (dst + i + 1);
}
return (NULL);
}

30
libft/src/mem/ft_memchr.c Normal file
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@@ -0,0 +1,30 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_memchr.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: hulamy <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2018/11/14 21:12:32 by hulamy #+# #+# */
/* Updated: 2019/04/03 15:43:14 by hulamy ### ########.fr */
/* */
/* ************************************************************************** */
/*
** locate character in string and return its position
*/
#include "libft.h"
void *ft_memchr(const void *s, int c, size_t n)
{
unsigned char *sbis;
size_t i;
sbis = (unsigned char *)s;
i = -1;
while (++i < n)
if (sbis[i] == (unsigned char)c)
return ((void *)sbis + i);
return (NULL);
}

32
libft/src/mem/ft_memcmp.c Normal file
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@@ -0,0 +1,32 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_memcmp.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: hulamy <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2018/11/14 21:13:04 by hulamy #+# #+# */
/* Updated: 2019/04/03 15:43:41 by hulamy ### ########.fr */
/* */
/* ************************************************************************** */
/*
** compare two bytes strings (doesnt recognize a null terminated string)
** and return value of difference between first two different character
*/
#include "libft.h"
int ft_memcmp(const void *s1, const void *s2, size_t n)
{
unsigned char *frst;
unsigned char *scnd;
size_t i;
i = 0;
frst = (unsigned char *)s1;
scnd = (unsigned char *)s2;
while (i < n && frst[i] == scnd[i])
i++;
return ((i == n) ? 0 : frst[i] - scnd[i]);
}

31
libft/src/mem/ft_memcpy.c Normal file
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@@ -0,0 +1,31 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_memcpy.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: hulamy <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2018/11/14 21:13:17 by hulamy #+# #+# */
/* Updated: 2019/04/03 15:43:56 by hulamy ### ########.fr */
/* */
/* ************************************************************************** */
/*
** copy n characters from src to dst and return dst
*/
#include "libft.h"
void *ft_memcpy(void *dst, const void *src, size_t n)
{
size_t i;
char *ptr;
char *ptr2;
ptr = (char *)dst;
ptr2 = (char *)src;
i = -1;
while (++i < n)
ptr[i] = ptr2[i];
return (dst);
}

26
libft/src/mem/ft_memdel.c Normal file
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@@ -0,0 +1,26 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_memdel.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: hulamy <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2018/11/14 21:13:26 by hulamy #+# #+# */
/* Updated: 2019/04/03 15:44:12 by hulamy ### ########.fr */
/* */
/* ************************************************************************** */
/*
** free memory
*/
#include "libft.h"
void ft_memdel(void **ap)
{
if (ap && *ap)
{
free(*ap);
*ap = 0;
}
}

35
libft/src/mem/ft_memmove.c Normal file
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@@ -0,0 +1,35 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_memmove.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: hulamy <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2018/11/14 21:13:34 by hulamy #+# #+# */
/* Updated: 2019/04/03 15:44:28 by hulamy ### ########.fr */
/* */
/* ************************************************************************** */
/*
** copy n characters from src to dst in a non destructive way and return dst
*/
#include "libft.h"
void *ft_memmove(void *dst, const void *src, size_t len)
{
int i;
char *source;
char *dest;
i = -1;
source = (char *)src;
dest = (char *)dst;
if (source < dest)
while ((int)(--len) >= 0)
dest[len] = source[len];
else
while (++i < (int)len)
dest[i] = source[i];
return (dst);
}

29
libft/src/mem/ft_memset.c Normal file
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@@ -0,0 +1,29 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_memset.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: hulamy <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2018/11/14 21:13:41 by hulamy #+# #+# */
/* Updated: 2019/04/03 15:44:44 by hulamy ### ########.fr */
/* */
/* ************************************************************************** */
/*
** copy n time a character in a string and return the string
*/
#include "libft.h"
void *ft_memset(void *b, int c, size_t len)
{
char *ptr;
size_t i;
ptr = (char *)b;
i = 0;
while (i < len)
ptr[i++] = c;
return (b);
}