POINTER smalloc_malloc P1(size_t, size)
#endif
{
/* int i; */
u *temp;
DEBUG_CHECK(size == 0, "Malloc size 0.\n");
if (size > SMALL_BLOCK_MAX_BYTES)
return large_malloc(size, 0);
#if SIZEOF_PTR > SIZEOF_INT
if (size < SIZEOF_PTR)
size = SIZEOF_PTR;
#endif
size = (size + 7) & ~3; /* block size in bytes */
#define SIZE_INDEX(u_array, size) (*(u*) ((char*)u_array-8+size))
#define SIZE_PNT_INDEX(u_array, size) (*(u**)((char*)u_array-8+size))
/* i = (size - 8) >> 2; */
count_up(small_alloc_stat, size);
SIZE_INDEX(small_count, size) += 1; /* update statistics */
SIZE_INDEX(small_total, size) += 1;
if (SIZE_INDEX(small_count, size) > SIZE_INDEX(small_max, size))
SIZE_INDEX(small_max, size) = SIZE_INDEX(small_count, size);
if (temp = SIZE_PNT_INDEX(sfltable, size)) { /* allocate from the
* free list */
count_back(small_free_stat, size);
temp++;
SIZE_PNT_INDEX(sfltable, size) = *(u **) temp;
fake("From free list.");
return (char *) temp;
} /* else allocate from the chunk */
if (unused_size < size) { /* no room in chunk, get another */
/*
* don't waste this smaller block
*/
if (unused_size) {
count_up(small_free_stat, unused_size);
*s_size_ptr(next_unused) = unused_size >> 2;
*s_next_ptr(next_unused) = SIZE_PNT_INDEX(sfltable, unused_size);
SIZE_PNT_INDEX(sfltable, unused_size) = next_unused;
}
fake("Allocating new small chunk.");
next_unused = (u *) large_malloc(SMALL_CHUNK_SIZE + SIZEOF_PTR, 1);
if (next_unused == 0)
return 0;
*next_unused = (u) last_small_chunk;
last_small_chunk = next_unused++;
count_up(small_chunk_stat, SMALL_CHUNK_SIZE + SIZEOF_PTR);
unused_size = SMALL_CHUNK_SIZE;
} else
char *ft_strtrim_bis(char const *s)
{
int l;
int i;
int j;
char *p;
j = count_back(s);
i = count_top(s);
l = ft_strlen(s);
if (l - i - j <= 0)
return (NULL);
p = ft_strnew(l - i - j);
if (i == l)
return (NULL);
ft_memmove(p, s + i, l - i - j);
return (p);
}
