Fixlets to the README in the exercice skeleton usage

[TD_C.git] / exo3 / exo3.c

#include <stdio.h>

//FIXME: Comment the code !!!

void swap(char* v1, char* v2) {
    if (v1 != v2) {
        char tmp = *v1;
        *v1 = *v2;
        *v2 = tmp;
    }
}

int stringLength(const char* str) {
    int length;

    for(length = 0; str[length] != '\0'; ++length);
    return length;
}

// FIXME: this function have issues with non english characters
void reverseString(char* str) {
    int length = stringLength(str);

    for (int i = length - 1; i >= length/2; --i) {
        swap(&str[i], &str[(length - 1) - i]);
    }
}

int main() {
    char msg[] = "Bonjour et a bientot";
    int length = stringLength(msg); 

    printf("La chaine de caracteres est \"%s\" et a pour longueur %d caractere(s)\n", msg, length);
    reverseString(msg);
    printf("La chaine inversee de caracteres est \"%s\"\n", msg);

    return 0;
}