TD3_DEV51_vaisse_kara-mosr/getfuncs.c

#include <stdlib.h>
#include <stdio.h>
#include <time.h>

/*
récupère le nombre de lignes dans la banque de mots
*/
int getFileLength(){
	/*variables*/
	FILE* stream;
	int file_length = 0; 
	char* line = NULL;
	size_t length = 0;
	ssize_t read;

	/*prog*/
	stream = fopen("wordbank.txt", "r");
	if (stream == NULL){
        return EXIT_FAILURE;
	}

	while((read = getline(&line, &length, stream)) != -1){
    	file_length++;
    }

    fclose(stream);
    return file_length-1;
}

/*
récupère un mot aléatoire dans la banque de mots
*/
int fetchWord(char* fullword, int file_length){
	/*variables*/
	FILE* stream;
	int random = (rand() * time(NULL)) % (file_length);
	char read[8];
	unsigned int counter = 0;
	int char_size = (int) sizeof(char);
	int line=0;
	int offset=0;

	/*prog*/
	printf("%d\n", random);
	stream = fopen("wordbank.txt", "r");
	if (stream == NULL){
        return -1;
	}

	while((!feof(stream))&&(offset!=random)){
		fread(read, sizeof(char), 1, stream);
		if(*read=='\n'){
			offset++;
		}
	}

	*read=' ';

	while(*read!='\n'){
		fread(read, sizeof(char), 1, stream);
		fullword[counter] = *read;
		counter++;
	}

	fclose(stream);
	return 0;
}


int main(void){
	int flength;
	char fullWord[128];

	flength = getFileLength();
	if(fetchWord(fullWord, flength)!=-1){
		printf("%s", fullWord);
	}

	return EXIT_SUCCESS;
}