Initial commit

Author: sam

Diff for: .gitattributes

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+# Auto detect text files and perform LF normalization
+* text=auto

Diff for: Count the number of lines for each file in a directory tree/a.out

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+jerome 2200 100
+jeromeB BBB 100
+jeromeC CCC 100
+zxc123 zxc123 123456
+qaz123 qaz123 123456789
+85513 dd 0
+sfs 4 2
+end

Diff for: Count the number of lines for each file in a directory tree/contacts.txt

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+#define _GNU_SOURCE
+#define MAX_SIGNALS		30
+
+#include <string.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+typedef struct person_info
+{
+	char name[20];
+	char ID[20];
+	int deposit;
+	struct person_info *next;
+}person_list;
+
+typedef struct LinkedList_s {
+	person_list *head;
+	person_list *tail;
+} LinkedList;
+
+LinkedList *new_LinkedList ()
+{
+	LinkedList *this;
+
+	this = (LinkedList*) malloc (sizeof(LinkedList));
+
+	this->head = NULL;
+	this->tail = NULL;
+
+	return this;
+}
+
+void insert(LinkedList * this, char name[20], char ID[20], int deposit)
+{	
+	person_list *p;
+	p = (person_list*) malloc (sizeof(person_list));
+	strcpy(p->name, name);
+	strcpy(p->ID, ID);
+	p->deposit = deposit;
+	p->next = NULL;
+	if (this->head==NULL) 
+	{
+		this->head = p;
+		this->tail = p;
+	}
+	else 
+	{
+		this->tail->next = p;
+		this->tail = p;
+	}	
+}
+
+void search(LinkedList *this)
+{
+	char name[20];
+	printf("input you wanna search name\n");
+	scanf("%s",name);
+	
+	person_list *p;
+	p = this->head;
+	while(p!=NULL && strcmp(p->name, name)!=0)
+		p=p->next;
+
+	if(p==NULL)
+		printf("No this DATA\n");
+	else
+		printf("Name:%s- ID:%s- Deposit:%d\n", p->name, p->ID, p->deposit);
+
+	return;
+}
+
+void delete(LinkedList *this)
+{
+	char name[20];
+	printf("input you wanna delete name\n");
+	scanf("%s",name);
+	
+	person_list *p, *q;
+	p = this->head;
+	q = NULL;
+	while(p!=NULL && strcmp(p->name, name)!=0)
+	{
+		q=p;		
+		p=p->next;
+	}	
+
+	if(p==NULL)
+		printf("No this DATA\n");
+	else
+	{
+		q->next=p->next;
+		printf("delete this DATA\n");
+	}		
+
+	return;
+}
+
+void display(LinkedList *this)
+{
+	person_list *p;
+	p=this->head;
+	while(p!=NULL)
+	{
+		printf("Name:%s- ID:%s- Deposit:%d\n", p->name, p->ID, p->deposit);
+		p=p->next;
+	}
+	return;
+}
+
+LinkedList *list;
+void exit_handler()
+{
+	FILE *fp;
+	fp = fopen ("contacts.txt", "w");
+	
+	person_list *p;
+	p=list->head;
+	while(p!=NULL)
+	{
+		fprintf(fp, "%s %s %d\n", p->name, p->ID, p->deposit);
+		p=p->next;
+	}
+	fprintf(fp,"end\n");
+	fclose(fp);
+}
+
+void readfile(LinkedList *this)
+{
+	char name[20];
+	char ID[20];
+	int deposit;
+	FILE *fp;
+	fp = fopen ("contacts.txt", "r");
+	if(fp!=NULL)
+	{
+		while(!feof(fp))
+		{
+			fscanf(fp, "%s",name);
+			if(!strcmp(name,"end")) break;
+			fscanf(fp, "%s",ID);
+			fscanf(fp, "%d",&deposit);	
+			insert(list, name, ID, deposit);
+		}
+	}
+	fclose(fp);
+}
+
+int main()
+{
+	atexit (exit_handler);
+	char name[20];
+	char ID[20];
+	int deposit;
+	int i;
+	for (i=0;i<MAX_SIGNALS;i++)
+		signal (i, exit);
+	/*set signal for all exit*/
+	list=new_LinkedList();
+	readfile(list);
+	int option;
+	while(1)
+	{
+		printf("Select option\n");
+		printf("1.insert\n2.search\n3.delete\n4.list all\n5.exit\n ");	
+		scanf("%d",&option);
+		switch(option)
+		{
+			case 1:
+				printf("input your name\n");
+				scanf("%s",name);
+				printf("input your ID\n");
+				scanf("%s",ID);
+				printf("input your deposit\n");
+				scanf("%d",&deposit);
+				insert(list, name, ID, deposit);
+				break;
+			case 2:
+				search(list);
+				break;
+			case 3:
+				delete(list);
+				break;
+			case 4:
+				display(list);
+			case 5:
+				return 0;
+		}	
+	}
+	return 0;
+}
+
+
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Diff for: Count the number of lines for each file in a directory tree/main.c

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+#include "myfstream.h"
+
+int main() {
+    string ofileStr, ifileStr;
+    myfstream ifile, ofile;
+    char data[50];
+    int inNumber = 0;
+
+    cout << "Please enter input file name:";
+    cin >> ifileStr;
+    cout << "Please enter output file name:";
+    cin >> ofileStr;
+    ifileStr += ".txt";
+    ofileStr += ".txt";
+
+    char ofileName[ofileStr.length()];
+    strcpy(ofileName, ofileStr.c_str());
+    char ifileName[ifileStr.length()];
+    strcpy(ifileName, ifileStr.c_str());
+
+    ifile.openfile(ifileName);
+    ofile.openfile(ofileName);
+
+    ifile.readfile(data, 15);
+    data[15] = ' ';
+    //ifile >> data;
+    ofile << data;
+
+    ifile.closefile();
+    ofile.closefile();
+
+    return 0;
+}

Diff for: Count the number of lines for each file in a directory tree/執行指令.docx

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+default:mainprog
+
+main.o: main.cpp
+	g++ -c  main.cpp
+
+myfstream.o: myfstream.cpp
+	g++ -c  myfstream.cpp
+
+lib_functions.a: myfstream.o
+	ar -r lib_functions.a myfstream.o
+
+mainprog: lib_functions.a main.o
+	g++ main.o lib_functions.a -o mainprog
+
+clean:
+	rm -f *.o
+	rm -f mainprog
+	rm -f lib_functions.a
+	rm -f overload.txt write.txt

Diff for: Define my own fstream class/.main.cpp.swo

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+#include "myfstream.h"
+
+void myfstream::openfile(const char* filename) {
+    this->fileID = open(filename, O_RDWR | O_CREAT, S_IRWXU);
+}
+
+void myfstream::closefile() {
+    close(this->fileID);
+}
+
+void myfstream::readfile(char* str, size_t strsize) {
+    read(this->fileID, str, strsize);
+    str += '\0';
+}
+
+void myfstream::writefile(const char* str, size_t strsize) {
+    write(this->fileID, str, strsize);
+}
+
+istream& myfstream::operator>>(char* str) {
+    for (int n = 0; *(str + n) != '\0'; n++)
+        read(this->fileID, str + n, 1);
+}
+
+ostream& myfstream::operator<<(char* str) {
+    for (int n = 0; *(str + n) != '\0'; n++)
+        write(this->fileID, str + n, 1);
+}

Diff for: Define my own fstream class/lib_functions.a

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+#include <fcntl.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <cstring>
+#include <iostream>
+using namespace std;
+
+class myfstream {
+   public:
+    size_t fileID;
+    void openfile(const char* filename);
+    void closefile();
+    void readfile(char* str, size_t strsize);
+    void writefile(const char* str, size_t strsize);
+    istream& operator>>(char* str);
+    ostream& operator<<(char* str);
+};

Diff for: Define my own fstream class/main.cpp

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+TARGETS = number
+
+all: $(TARGETS)
+
+clean:
+	rm -f $(TARGETS)
+
+%: %.c
+	gcc -g -o $@ $^ -lpthread -lm
+
+
+
+
+
+
+
+
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