Function cte_read

tests/test_config_toml_edit.c:50–75

}

static int cte_read(const char *path, char *output, size_t output_size) {
    if (!path || !output || output_size == 0) {
        return -1;
    }
    FILE *file = cbm_fopen(path, "rb");
    if (!file) {
        return -1;
    }
    if (fseek(file, 0, SEEK_END) != 0) {
        fclose(file);
        return -1;
    }
    long raw_size = ftell(file);
    if (raw_size < 0 || (size_t)raw_size >= output_size || fseek(file, 0, SEEK_SET) != 0) {
        fclose(file);
        return -1;
    }
    size_t size = (size_t)raw_size;
    size_t read_count = size ? fread(output, 1, size, file) : 0;
    int close_error = fclose(file);
    if (read_count != size || close_error != 0) {
        return -1;
    }
    output[size] = '\0';
    return 0;
}

static int cte_occurrences(const char *text, const char *needle) {
    int count = 0;