Function th_append_file

tests/test_helpers.h:69–79

Append content to a file. */

/* Append content to a file. */
static inline int th_append_file(const char *path, const char *content) {
    FILE *f = fopen(path, "a");
    if (!f) {
        return -1;
    }
    if (content && content[0]) {
        fputs(content, f);
    }
    fclose(f);
    return 0;
}

/* ── Directory creation ───────────────────────────────────────── */