Text.cpp

#include "Text.h"
#include "main.h"

void ReadTxt(char** text, const char* file_name)
{
	assert(text);
	assert(file_name);

	FILE* file = fopen(file_name, "r");
	if (file == NULL)
	{
		printf("[Input error] Unable to open file \"%s\"\n", file_name);
		exit(EXIT_FAILURE);
	}

	fseek(file, 0, SEEK_END);
	size_t num_symbols = ftell(file);
	fseek(file, 0, SEEK_SET);

	*text = (char*)calloc(num_symbols + 2, sizeof(**text));
	if (*text == NULL)
	{
		printf("[Error] Unable to allocate memory\n");
		exit(EXIT_FAILURE);
	}

	**text = '\0';
	fread(*text + 1, sizeof(**text), num_symbols, file);

	fclose(file);

	return;
}

int CountSymbols(char* text, const char str)
{
	assert (text);
	int counter = 0;
	if (*text == str) counter++;
	while (text = strchr(text + 1, str)) counter++;
	return counter;
}

void PrintTxt (Line *lines, int num_lines, const char* file_name)
{
	assert (lines);
	assert (num_lines > 0);

	FILE* file_out = fopen (file_name, "w");

	for (int i = 0; i < num_lines; i++)
		fprintf (file_out, "%s\n", lines[i].point);

	fclose (file_out);
	return;
}