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Coherent indentation

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This commit is contained in:
augustin64 2024-03-26 17:45:20 +01:00
parent ea10ad5df1
commit c06df0b0b7
6 changed files with 180 additions and 174 deletions
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146
TP/TP1/rendu/linked_list.c
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@ -7,119 +7,119 @@
struct linkedList* createLinkedList() { struct linkedList* createLinkedList() {
struct linkedList *list = (struct linkedList*) malloc(sizeof(struct linkedList)); struct linkedList *list = (struct linkedList*)malloc(sizeof(struct linkedList));
list->head = NULL; list->head = NULL;
return list; return list;
} }
//insert link at the first location //insert link at the first location
void insertFirst(struct linkedList *list, int key, void *data) { void insertFirst(struct linkedList *list, int key, void *data) {
//create a link //create a link
struct node *link = (struct node*) malloc(sizeof(struct node)); struct node *link = (struct node*) malloc(sizeof(struct node));
link->key = key; link->key = key;
link->data = data; link->data = data;
//point it to old first node //point it to old first node
link->next = list->head; link->next = list->head;
//point first to new first node //point first to new first node
list->head = link; list->head = link;
} }
//delete first item //delete first item
struct node* deleteFirst(struct linkedList *list) { struct node* deleteFirst(struct linkedList *list) {
if (list->head == NULL) { if (list->head == NULL) {
return NULL; return NULL;
} }
//save reference to first link //save reference to first link
struct node *tempLink = list->head; struct node *tempLink = list->head;
//mark next to first link as first //mark next to first link as first
list->head = list->head->next; list->head = list->head->next;
//return the deleted link //return the deleted link
return tempLink; return tempLink;
} }
//find a link with given key //find a link with given key
struct node* find(struct linkedList *list, int key) { struct node* find(struct linkedList *list, int key) {
//start from the first link //start from the first link
struct node* current = list->head; struct node* current = list->head;
//if list is empty //if list is empty
if(list->head == NULL) { if(list->head == NULL) {
return NULL; return NULL;
} }
//navigate through list //navigate through list
while(current->key != key) { while(current->key != key) {
//if it is last node //if it is last node
if(current->next == NULL) { if(current->next == NULL) {
return NULL; return NULL;
} else { } else {
//go to next link //go to next link
current = current->next; current = current->next;
} }
} }
//if data found, return the current Link //if data found, return the current Link
return current; return current;
} }
//delete a link with given key //delete a link with given key
struct node* deleteElement(struct linkedList *list, int key) { struct node* deleteElement(struct linkedList *list, int key) {
//start from the first link //start from the first link
struct node* current = list->head; struct node* current = list->head;
struct node* previous = NULL; struct node* previous = NULL;
//if list is empty //if list is empty
if(list->head == NULL) { if(list->head == NULL) {
return NULL; return NULL;
} }
//navigate through list //navigate through list
while(current->key != key) { while(current->key != key) {
//if it is last node //if it is last node
if(current->next == NULL) { if(current->next == NULL) {
return NULL; return NULL;
} else { } else {
//store reference to current link //store reference to current link
previous = current; previous = current;
//move to next link //move to next link
current = current->next; current = current->next;
} }
} }
//found a match, update the link //found a match, update the link
if(current == list->head) { if(current == list->head) {
//change first to point to next link //change first to point to next link
list->head = list->head->next; list->head = list->head->next;
} else { } else {
//bypass the current link //bypass the current link
previous->next = current->next; previous->next = current->next;
} }
return current; return current;
} }
//is list empty //is list empty
bool isEmpty(struct linkedList *list) { bool isEmpty(struct linkedList *list) {
return list->head == NULL; return list->head == NULL;
} }
int length(struct linkedList *list) { int length(struct linkedList *list) {
int length = 0; int length = 0;
struct node *current; struct node *current;
for(current = list->head; current != NULL; current = current->next) { for(current = list->head; current != NULL; current = current->next) {
length++; length++;
} }
return length; return length;
} }

8
TP/TP1/rendu/linked_list.h
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@ -1,13 +1,13 @@
#include <stdbool.h> #include <stdbool.h>
struct node { struct node {
void *data; void *data;
int key; int key;
struct node *next; struct node *next;
}; };
struct linkedList { struct linkedList {
struct node *head; struct node *head;
}; };
struct linkedList* createLinkedList(); struct linkedList* createLinkedList();

168
TP/TP1/rendu/mmap.c
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@ -8,122 +8,122 @@
#include "mmap.h" #include "mmap.h"
struct MMap* mmap_init(){ struct MMap* mmap_init(){
struct MMap *mmap = malloc(sizeof(struct MMap)); struct MMap *mmap = malloc(sizeof(struct MMap));
mmap->size = 4096*100; mmap->size = 4096*100;
mmap->memory = malloc(mmap->size); mmap->memory = malloc(mmap->size);
mmap->count = 0; mmap->count = 0;
mmap->support = malloc(sizeof(struct PageInfo)); mmap->support = malloc(sizeof(struct PageInfo));
mmap->support->data = malloc(4096); mmap->support->data = malloc(4096);
mmap->free_list = createLinkedList(); mmap->free_list = createLinkedList();
// insert 100 pages in the free list // insert 100 pages in the free list
for (int i = 0; i < 100; i++) { for (int i = 0; i < 100; i++) {
struct PageInfo *page = malloc(sizeof(struct PageInfo)); struct PageInfo *page = malloc(sizeof(struct PageInfo));
page->data = mmap->memory + i*4096; page->data = mmap->memory + i*4096;
page->key = i; page->key = i;
insertFirst(mmap->free_list, i, page); insertFirst(mmap->free_list, i, page);
} }
mmap->alloc_list = createLinkedList(); mmap->alloc_list = createLinkedList();
mmap->swap = fopen("/tmp/myswap", "wb+"); mmap->swap = fopen("/tmp/myswap", "wb+");
int tmp = -1; int tmp = -1;
for (int i = 0; i < 100*sizeof(int); i+=sizeof(int)) { for (int i = 0; i < 100*sizeof(int); i+=sizeof(int)) {
fwrite(&tmp, sizeof(int), 1, mmap->swap); fwrite(&tmp, sizeof(int), 1, mmap->swap);
} }
char tmp2 = '\0'; char tmp2 = '\0';
for (int i = 0; i < 100*4096; i++) { for (int i = 0; i < 100*4096; i++) {
fwrite(&tmp2, 1, 1, mmap->swap); fwrite(&tmp2, 1, 1, mmap->swap);
} }
return mmap; return mmap;
} }
void mmap_clean(struct MMap *mmap) { void mmap_clean(struct MMap *mmap) {
free(mmap->memory); free(mmap->memory);
fclose(mmap->swap); fclose(mmap->swap);
free(mmap); free(mmap);
remove("/tmp/myswap"); remove("/tmp/myswap");
} }
struct PageInfo* page_alloc(struct MMap *mmap) { struct PageInfo* page_alloc(struct MMap *mmap) {
struct PageInfo *page = NULL; struct PageInfo *page = NULL;
page = page_free(mmap); page = page_free(mmap);
if(page!=NULL) { if(page!=NULL) {
insertFirst(mmap->alloc_list, page->key, page); insertFirst(mmap->alloc_list, page->key, page);
mmap->count++; mmap->count++;
} }
return page; return page;
} }
struct PageInfo* page_free(struct MMap *mmap) { struct PageInfo* page_free(struct MMap *mmap) {
struct PageInfo *page = NULL; struct PageInfo *page = NULL;
struct node *node = deleteFirst(mmap->free_list); struct node *node = deleteFirst(mmap->free_list);
if (node != NULL) { if (node != NULL) {
page = node->data; page = node->data;
} }
return page; return page;
} }
int check_page_free_list(struct MMap *mmap) { int check_page_free_list(struct MMap *mmap) {
return length(mmap->free_list); return length(mmap->free_list);
} }
int check_page_alloc(struct MMap *mmap) { int check_page_alloc(struct MMap *mmap) {
return length(mmap->alloc_list); return length(mmap->alloc_list);
} }
int move_to_swap(struct MMap *mmap, struct PageInfo *page) { int move_to_swap(struct MMap *mmap, struct PageInfo *page) {
int key = -1; int key = -1;
fseek(mmap->swap, 0, SEEK_SET); fseek(mmap->swap, 0, SEEK_SET);
CHECK_FERROR(mmap->swap);
for (int i = 0; i < 100*sizeof(int); i+=sizeof(int)) {
fread(&key, sizeof(int), 1, mmap->swap);
CHECK_FERROR(mmap->swap); CHECK_FERROR(mmap->swap);
if (key == -1) { for (int i = 0; i < 100*sizeof(int); i+=sizeof(int)) {
fseek(mmap->swap, i, SEEK_SET); fread(&key, sizeof(int), 1, mmap->swap);
CHECK_FERROR(mmap->swap); CHECK_FERROR(mmap->swap);
fwrite(&page->key, sizeof(int), 1, mmap->swap); if (key == -1) {
CHECK_FERROR(mmap->swap); fseek(mmap->swap, i, SEEK_SET);
CHECK_FERROR(mmap->swap);
fseek(mmap->swap, 100*sizeof(int) + (i/sizeof(int))*4096, SEEK_SET); fwrite(&page->key, sizeof(int), 1, mmap->swap);
CHECK_FERROR(mmap->swap); CHECK_FERROR(mmap->swap);
fwrite(page->data, 4096, 1, mmap->swap); fseek(mmap->swap, 100*sizeof(int) + (i/sizeof(int))*4096, SEEK_SET);
CHECK_FERROR(mmap->swap); CHECK_FERROR(mmap->swap);
return 0; fwrite(page->data, 4096, 1, mmap->swap);
CHECK_FERROR(mmap->swap);
return 0;
}
} }
} return -1;
return -1;
} }
struct PageInfo* read_from_swap(struct MMap* mmap, struct PageInfo *page) { struct PageInfo* read_from_swap(struct MMap* mmap, struct PageInfo *page) {
int key = -1; int key = -1;
fseek(mmap->swap, 0, SEEK_SET); fseek(mmap->swap, 0, SEEK_SET);
CHECK_FERROR(mmap->swap);
for (int i = 0; i < 100*sizeof(int); i+=sizeof(int)) {
int ret = fread(&key, sizeof(int), 1, mmap->swap);
CHECK_FERROR(mmap->swap);
if (key != page->key)
continue;
fseek(mmap->swap, 100*sizeof(int) + (i/sizeof(int))*4096, SEEK_SET);
CHECK_FERROR(mmap->swap); CHECK_FERROR(mmap->swap);
fread(page->data, 4096, 1, mmap->swap); for (int i = 0; i < 100*sizeof(int); i+=sizeof(int)) {
CHECK_FERROR(mmap->swap); int ret = fread(&key, sizeof(int), 1, mmap->swap);
CHECK_FERROR(mmap->swap);
fseek(mmap->swap, i, SEEK_SET); if (key != page->key)
CHECK_FERROR(mmap->swap); continue;
int tmp = -1; fseek(mmap->swap, 100*sizeof(int) + (i/sizeof(int))*4096, SEEK_SET);
fwrite(&tmp, sizeof(int), 1, mmap->swap); CHECK_FERROR(mmap->swap);
CHECK_FERROR(mmap->swap);
return page; fread(page->data, 4096, 1, mmap->swap);
} CHECK_FERROR(mmap->swap);
return NULL;
fseek(mmap->swap, i, SEEK_SET);
CHECK_FERROR(mmap->swap);
int tmp = -1;
fwrite(&tmp, sizeof(int), 1, mmap->swap);
CHECK_FERROR(mmap->swap);
return page;
}
return NULL;
} }

21
TP/TP1/rendu/mmap.h
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@ -3,18 +3,18 @@
#include "linked_list.h" #include "linked_list.h"
struct MMap { struct MMap {
void *memory; void *memory;
int size; int size;
int count; int count;
struct PageInfo *support; struct PageInfo *support;
struct linkedList *free_list; struct linkedList *free_list;
struct linkedList *alloc_list; struct linkedList *alloc_list;
FILE *swap; FILE *swap;
}; };
struct PageInfo { struct PageInfo {
int key; int key;
void *data; void *data;
}; };
struct MMap* mmap_init(); struct MMap* mmap_init();
@ -25,3 +25,6 @@ int check_page_free_list(struct MMap *mmap);
int check_page_alloc(struct MMap *mmap); int check_page_alloc(struct MMap *mmap);
int move_to_swap(struct MMap *mmap, struct PageInfo *page); int move_to_swap(struct MMap *mmap, struct PageInfo *page);
struct PageInfo* read_from_swap(struct MMap* mmap, struct PageInfo *page); struct PageInfo* read_from_swap(struct MMap* mmap, struct PageInfo *page);
struct PageInfo *page_lookup(struct MMap *mmap, int key);
void page_remove(struct MMap *mmap, int key);
struct PageInfo *page_create(struct MMap *mmap, int *moved_to_swap);

2
TP/TP1/rendu/test.c
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@ -4,5 +4,5 @@
int main(int argc, char **argv) { int main(int argc, char **argv) {
// Some really cool tests! // Some really cool tests!
return 0; return 0;
} }

3
TP/TP1/rendu/vmap.h Normal file
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@ -0,0 +1,3 @@
void *my_malloc(int size);
void my_free(void *data);
void my_copy(void *mem, void *data, int size);