Treatment

Miha_Ch

May 11th, 2025

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
//ex1
struct Treatment{
int id;
char date[11];
char name[31];
char diagnosis[51];
};
int main() {
FILE *file;
file = fopen("history.bin", "rb");
if (file == NULL) {
printf("Error opening file\n");
return 1;
}
// Взимаме броя на епикризите
int n;
if (fread(&n, sizeof(int), 1, file) != 1) {
printf("Error reading the number of records\n");
fclose(file);
return 1;
}
if (n < 0) {
printf("Invalid count\n");
}
struct Treatment* history = (struct Treatment*) malloc(n * sizeof(struct Treatment));
if (history == NULL) {
printf("Error allocating memory\n");
fclose(file);
return 1;
}
if (fread(history, sizeof(struct Treatment), n, file) != n) {
if (feof(file)) {
perror("");
}
else if(ferror(file)) {
perror("");
}
free(history);
fclose(file);
return 1;
}
fclose(file);
free(history);
return 0;
}
//ex 2
int count_treatment(struct Treatment* history, int n, char name[50], char diagnosis[51]) {
int counter = 0;
for (int i = 0; i < n; i++) {
if (strcmp(history[i].name, name) == 0 && strcmp(history[i].diagnosis, diagnosis) == 0) {
counter++;
}
}
return counter;
}
// ex 3
struct Treatment* add_new_treatment(struct Treatment* history, int n) {
struct Treatment new_Treatment;
printf("Въведи ID на епикризата: ");
scanf("%d", &new_Treatment.id);
printf("Въведи дата (ДД.ММ.ГГГГ): ");
scanf("%10s", new_Treatment.date);
printf("Въведи име на пациент: ");
scanf(" %30[^\n]", new_Treatment.name); // Чете име с интервали
printf("Въведи диагноза: ");
scanf(" %50[^\n]", new_Treatment.diagnosis); // Чете диагноза с интервали
// Преоразмеряване на масива
struct Treatment* resizedHistory = realloc(history, (n + 1) * sizeof(struct Treatment));
if (resizedHistory == NULL) {
printf("Грешка при заделяне на памет.\n");
return NULL;
}
resizedHistory[n] = new_Treatment; // Добавяне на новата епикриза
n++; // Увеличаваме броя
return resizedHistory;
}
int write_text_file(struct Treatment* history, int n, char diagnosis[51]) {
FILE *file;
file = fopen("illness.txt", "w");
if (file == NULL) {
printf("Error opening file\n");
return 1;
}
int counter = 0;
for (int i = 0; i < n; i++) {
if (strcmp(history[i].diagnosis, diagnosis) == 0) {
fprintf(file, "Болничен престой на %s за лечение на %s: %sг.\n", history[i].name, history[i].diagnosis, history[i].date);
counter++;
}
}
fclose(file);
return counter;
}

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