Removed 11

Лр 6/1.1/makefile

-BUILD_DIR=build
-SRC_DIR=src
-CC=gcc
-CFALGS=-Wall -g
-
-all: main1.elf main2.elf
-
-main1.elf: libstudents.so
-	$(CC) $(CFALGS) -lstudents -L ./$(BUILD_DIR)/ -o main1.elf $(SRC_DIR)/main1.c
-	echo export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$PWD"
-
-main2.elf: libstudents.so
-	$(CC) $(CFALGS) -lstudents -L ./$(BUILD_DIR)/ -o main2.elf $(SRC_DIR)/main2.c
-	echo export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$PWD"
-
-
-libstudents.so:
-	$(CC) $(CFALGS) -shared -fpic -o $(BUILD_DIR)/libstudents.so $(SRC_DIR)/students.c
-
-clean:
-	rm $(BUILD_DIR)/*o
-	rm main*.elf

Лр 6/1.1/src/main1.c

-#include <stdlib.h>
-
-#include "students.h"
-
-
-int
-main()
-{
-	int n;
-	printf("Enter the amount of students:");
-	scanf("%d", &n);
-	getchar();
-
-	struct Student *students = allocate_array(n);
-	
-	fill_array(n, students);
-	
-	FILE *file = NULL;
-	file = fopen("students.cvs", "a");
-	
-	write_array(file, n, students);
-		
-	fclose(file);
-	free(students);
-
-
-	puts("Students to read:");
-	scanf("%d",&n);
-	getchar();
-
-	if(n <= 0)
-		exit(0);
-
-
-	file = fopen("students.cvs","r");
-
-	if(!file){
-		puts("Could not open file!");
-		exit(0);
-	}
-
-	struct Student *students2 = read_file_to_array(file, n, students2);
-
-	fclose(file);
-
-	puts("From file:");
-	print_array(students2, n);
-
-	free(students2);
-	return 0;
-}

Лр 6/1.1/src/main2.c

-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "students.h"
-
-
-int
-main()
-{
-	int n;
-	printf("Enter the amount of students:");
-	scanf("%d", &n);
-	getchar();
-
-	struct Student *students = allocate_array(n);
-	
-	fill_array(n, students);
-	
-	FILE *file = NULL;
-	file = fopen("students.bin", "wb");
-	
-	bin_write_array(file, n, students);
-		
-	fclose(file);
-	free(students);
-
-
-	puts("Students to read:");
-	scanf("%d",&n);
-	getchar();
-
-	if(n <= 0)
-		exit(0);
-
-
-	file = fopen("students.bin","rb");
-
-	if(!file){
-		puts("Could not open file!");
-		exit(0);
-	}
-
-	struct Student *students2 = allocate_array(n);
-	
-	bin_read_file_to_array(file, n, students2);
-
-	fclose(file);
-
-	puts("From file:");
-	print_array(students2, n);
-
-	free(students2);
-	return 0;
-}

Лр 6/1.1/src/students.c

-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-
-struct Student{
-	unsigned id;
-	char name[50];
-	char faculty[50];
-	float rating;
-};
-
-struct Student *
-allocate_array(int n){
-	struct Student *students = NULL;
-	students = malloc(sizeof(struct Student)*n);
-
-	if(!students)
-		exit(1);
-
-	return students;
-}
-
-void
-fill_array(int n, struct Student *students)
-{
-	for(int i = 0; i < n; i++){
-		printf("\nEnter student's № %d info:\n", i);
-
-		printf("\tid:");
-		scanf("%u", &students[i].id);
-		getchar();
-
-		printf("\tname:");
-		fgets(students[i].name, sizeof(students[i].name), stdin);
-		students[i].name[strcspn(students[i].name, "\n")] = 0; 
-
-		printf("\tfaculty:");
-		fgets(students[i].faculty, sizeof(students[i].faculty), stdin);
-		students[i].faculty[strcspn(students[i].faculty, "\n")] = 0; 
-
-		printf("\trating:");
-		scanf("%f", &students[i].rating);
-		getchar();
-	}
-}
-
-void
-write_array(FILE *file, int n, struct Student *students)
-{
-	for(int i = 0; i < n; i++){
-		fprintf(file, "%u,%s,%s,%f\n", students[i].id, students[i].name, students[i].faculty, students[i].rating);
-	}
-}
-
-void
-bin_write_array(FILE *file, int n, struct Student *students)
-{
-	fwrite(&students[0], sizeof(struct Student), n, file);
-}
-
-void
-bin_read_file_to_array(FILE *file, int n)
-{
-	struct Student *students = allocate_array(n);
-	fread(students, sizeof(struct Student), n, file);
-}
-
-struct Student *
-read_file_to_array( FILE *file, int n)
-{
-	char *buf = NULL;
-	buf = malloc(255);
-	struct Student *students = allocate_array(n);	
-
-	if(!buf)
-		exit(1);
-
-	char *tmp;
-
-	int i = 0;
-	while(fgets(buf, sizeof(struct Student), file) != NULL && i != n){
-		if ((strlen(buf)>0) && (buf[strlen (buf) - 1] == '\n'))
-			buf[strlen (buf) - 1] = '\0';
-
-		tmp = strtok(buf, ",");
-		students[i].id = atoi(tmp);
-
-		tmp = strtok(NULL, ",");
-		strcpy(students[i].name, tmp);
-
-		tmp = strtok(NULL, ",");
-		strcpy(students[i].faculty, tmp);
-
-		tmp = strtok(NULL, ",");
-		students[i].rating = atof(tmp);
-		i++;
-	}
-	free(buf);
-	return students;
-}
-
-void
-print_array(int n, struct Student *students)
-{
-	for(int i = 0; i < n; i++){
-		printf("Student №%d\n\tid:%u\n\tname:%s\n\tfaculty:%s\n\trating:%f\n", i, students[i].id, students[i].name, students[i].faculty, students[i].rating);
-	}
-}

Лр 6/1.1/src/students.h

-#ifndef STUDENTS_H
-#define STUDENTS_H
-
-#include <stdio.h>
-
-struct Student *allocate_array(int n);
-void fill_array(int n, struct Student *students);
-void print_array(struct Student *students, int n);
-
-void write_array(FILE *file, int n, struct Student *students);
-void read_file_to_array(FILE *file, int n);
-
-void bin_write_array(FILE *file,int n, struct Student *students);
-void bin_read_file_to_array(FILE *file, int n);
-
-#endif

Лр 6/1.1/students.cvs

-1,nig,gger,0.000000
-2,qwerty,ytrewq,1.000000