wide_string.c

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

int main() {
    wchar_t *filename = L"/blah/blah/wimpykid.py";
    wchar_t *found = wcsrchr(filename, L'.');
    int idx = found - filename;
    int new_string_size = idx + 8;
    wchar_t *log_filename = malloc(sizeof(wchar_t) * new_string_size);
    wcsncpy(log_filename, filename, idx);
    wcscpy(log_filename + idx, L".rewind");
    log_filename[new_string_size - 1] = L'\0';
    char *utf8 = malloc(sizeof(char) * new_string_size);
    wcstombs(utf8, log_filename, new_string_size);
    // wprintf(L"%d: %ls\n", new_string_size, log_filename);
    printf("utf8: %s\n", utf8);
    printf("Hello?\n");
}