Reading a unicode file into a unicode array

[coral cosmos]

I am trying to read a text file containing unicode characters. Here's the input file

yo World 💁👌🎍😍

Unfortunately, when I try to read the file and print it,

1. The unicode characters are garbled in the console (windows powershell. the console itself supports these characters as I can echo them)
2. The returning array only has 2 items in it for some reason.

This is what I see as output;

yo World 💁👌🎍😍yo World 💁👌🎍😍The size of array : 2
The size of array : 2
y o

I am not sure where I am going wrong and would appreciate any help in fixing my code. I am new to c (used to the usual scripting languages) and simple string handling is blowing my little brain :/

[gloomy falcon]

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[coral cosmos]

Here is my code;

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

char32_t *read_unicode_file(const char *filename)
{
    // Open the file for reading
    FILE *file = fopen(filename, "r");
    // Check if the file was successfully opened
    if (file == NULL)
    {
        fprintf(stderr, "Error: unable to open file '%s'\n", filename);
        return NULL;
    }
    // Read the file one character at a time
    char32_t c;
    size_t length = 0;
    while ((c = fgetwc(file)) != WEOF)
    {
        printf("%lc", c);
        length++;
    }
    // Allocate memory for the array
    char32_t *array = malloc(length * sizeof(char32_t));
    // Check if memory was successfully allocated
    if (array == NULL)
    {
        fprintf(stderr, "Error: unable to allocate memory for array\n");
        return NULL;
    }

    // Read the file again, this time storing the characters in the array
    rewind(file);
    size_t i = 0;
    while ((c = fgetwc(file)) != WEOF)
    {
        array[i++] = c;
    }

    // Close the file
    fclose(file);

    printf("The size of array : %zu\n", sizeof(array) / sizeof(array[0]));

    // Return the array
    return array;
}

int main(int argc, char *argv[])
{
    // Read the file and store its contents in an array
    char32_t *array = read_unicode_file(argv[1]);
    // puts(sizeof(array) / sizeof(array[0]));
    printf("The size of array : %zu\n", (sizeof(array) / sizeof(array[0])));

    // Check if the array was successfully returned
    if (array == NULL)
    {
        return 1;
    }

    // Print the array
    size_t length = sizeof(array) / sizeof(char32_t);
    for (size_t i = 0; i < length; i++)
    {
        printf("%lc ", array[i]);
    }
    printf("\n");

    // Free the memory
    free(array);

    return 0;
}

[gloomy falcon]

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