Merge branch 'List'

TP3/List/Liste.c

@@ -0,0 +1,140 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include "Liste.h"
+
+struct SList
+{
+    SCell *first;
+    SCell *last;
+};
+
+struct SCell
+{
+    int data;
+    SCell *next;
+    SCell *prev;
+};
+
+SList *CreateList()
+{
+    SList *list = (SList *)malloc(sizeof(SList));
+    list->first = NULL;
+    list->last = NULL;
+    return list;
+}
+
+void DeleteList(SList *list)
+{
+    SCell *cell = GetFirstElement(list);
+    while (cell != NULL)
+    {
+        SCell *next = GetNextElement(cell);
+        DeleteCell(list, cell);
+        cell = next;
+    }
+    free(list);
+}
+
+SCell *AddElementBegin(SList *list, int data)
+{
+    SCell *cell = (SCell *)malloc(sizeof(SCell));
+    cell->data = data;
+    cell->next = list->first;
+    cell->prev = NULL;
+    if (list->first != NULL)
+    {
+        list->first->prev = cell;
+    }
+    list->first = cell;
+    if (list->last == NULL)
+    {
+        list->last = cell;
+    }
+    return cell;
+}
+
+SCell *AddElementEnd(SList *list, int data)
+{
+    SCell *cell = (SCell *)malloc(sizeof(SCell));
+    cell->data = data;
+    cell->next = NULL;
+    cell->prev = list->last;
+    if (list->last != NULL)
+    {
+        list->last->next = cell;
+    }
+    list->last = cell;
+    if (list->first == NULL)
+    {
+        list->first = cell;
+    }
+    return cell;
+}
+
+SCell *AddElementAfter(SList *list, SCell *cell, int data)
+{
+    if (cell == NULL)
+    {
+        return AddElementBegin(list, data);
+    }
+    else if (cell == list->last)
+    {
+        return AddElementEnd(list, data);
+    }
+    else
+    {
+        SCell *newCell = (SCell *)malloc(sizeof(SCell));
+        newCell->data = data;
+        newCell->next = cell->next;
+        newCell->prev = cell;
+        cell->next->prev = newCell;
+        cell->next = newCell;
+        return newCell;
+    }
+}
+
+void DeleteCell(SList *list, SCell *cell)
+{
+    if (cell == list->first)
+    {
+        list->first = cell->next;
+    }
+    if (cell == list->last)
+    {
+        list->last = cell->prev;
+    }
+    if (cell->prev != NULL)
+    {
+        cell->prev->next = cell->next;
+    }
+    if (cell->next != NULL)
+    {
+        cell->next->prev = cell->prev;
+    }
+    free(cell);
+}
+
+SCell *GetFirstElement(SList *list)
+{
+    return list->first;
+}
+
+SCell *GetLastElement(SList *list)
+{
+    return list->last;
+}
+
+SCell *GetNextElement(SCell *cell)
+{
+    return cell->next;
+}
+
+SCell *GetPrevElement(SCell *cell)
+{
+    return cell->prev;
+}
+
+int GetData(SCell *cell)
+{
+    return cell->data;
+}

TP3/List/Liste.h

@@ -0,0 +1,22 @@
+#ifndef _LISTE_H
+#define _LISTE_H
+
+typedef int Data;
+typedef struct SCell SCell;
+typedef struct SList SList;
+
+SList *CreateList();
+void DeleteList(SList *list);
+
+SCell *AddElementBegin(SList *list, Data elem);
+SCell *AddElementEnd(SList *list, Data elem);
+SCell *AddElementAfter(SList *list, SCell *cell, Data elem);
+void DeleteCell(SList *list, SCell *cell);
+
+SCell *GetFirstElement(SList *list);
+SCell *GetLastElement(SList *list);
+SCell *GetPrevElement(SCell *cell);
+SCell *GetNextElement(SCell *cell);
+Data GetData(SCell *cell);
+
+#endif

TP3/List/main.c

@@ -0,0 +1,64 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include "Liste.h"
+
+void PrintList(SList *list);
+
+int main()
+{
+	SList *list;
+	SCell *cell;
+
+	list = CreateList();
+
+	printf("Add 5, 3, 1\n");
+	AddElementBegin(list, 5);
+	cell = AddElementBegin(list, 3);
+	AddElementBegin(list, 1);
+	PrintList(list);
+	printf("\n");
+
+	printf("Add 6, 8\n");
+	AddElementEnd(list, 6);
+	AddElementEnd(list, 8);
+	PrintList(list);
+	printf("\n");
+
+	printf("Add 4\n");
+	AddElementAfter(list, cell, 4);
+	PrintList(list);
+	printf("\n");
+
+	printf("Add 2\n");
+	AddElementAfter(list, GetFirstElement(list), 2);
+	PrintList(list);
+	printf("\n");
+
+	printf("Delete 3\n");
+	DeleteCell(list, cell);
+	PrintList(list);
+	printf("\n");
+
+	printf("Add 7\n");
+	AddElementAfter(list, GetPrevElement(GetLastElement(list)), 7);
+	PrintList(list);
+	printf("\n");
+
+	DeleteList(list);
+
+	return 0;
+}
+
+void PrintList(SList *list)
+{
+	if (list)
+	{
+		SCell *cell = GetFirstElement(list);
+		while (cell != NULL)
+		{
+			printf("[%d] -> ", GetData(cell));
+			cell = GetNextElement(cell);
+		}
+		printf("NULL\n");
+	}
+}

file_operate/create_ps/main.c

@@ -0,0 +1,22 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+int main() {
+  pid_t fpid;
+
+  fpid = fork();
+  // create child process
+  if (fpid < 0) {
+    printf("error in fork!");
+  } else if (fpid == 0) {
+    printf("I am the child process, my process id is %d\n", getpid());
+    sleep(10);
+  } else {
+    printf("I am the parent process, my process id is %d\n", getpid());
+    wait(NULL);
+    // exit(0);
+  }
+  return 0;
+}