#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>
#include "clog.h"

// GOOD VERSION

char* repeat(char char_to_repeat, int num_times_to_repeat) {
    //char* char_repeated_str = malloc(num_times_to_repeat * sizeof(*char_repeated_str));
    //
    // BUG:  Did not allocate enough memory to accomodate the '\0' (null terminator)
    // FIXED: ↓
    int num_bytes_to_allocate = num_times_to_repeat + 1;  // +1 for '\0'
    char* char_repeated_str = malloc(num_bytes_to_allocate * sizeof(*char_repeated_str));

    for(int i = 0; i < num_times_to_repeat; i++) {
        char_repeated_str[i] = char_to_repeat;
    }
    // BUG:  Forgot to write '\0' (null terminator) after the printable characters.
    // FIXED: ↓  (but we still have bugs)
    char_repeated_str[num_times_to_repeat] = '\0';  // VALGRIND: Invalid write of size 1.
    return char_repeated_str;
}

int main(int argc, char* argv[]) {
    char* s = repeat('*', 5);
    log_str(s);  //  expands to code that calls printf(…) or fprintf(…)
    // BUG:  Forgot to free(…).
    // FIXED: ↓
    free(s);

    return EXIT_SUCCESS;
}
/*

 */
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */