Function ini_buffer_reader

phxcomm/configparser/inih-master/examples/ini_buffer.c:23–56

} buffer_ctx;

static char* ini_buffer_reader(char* str, int num, void* stream) {
    buffer_ctx* ctx = (buffer_ctx*) stream;
    int idx = 0;
    char newline = 0;

    if (ctx->bytes_left <= 0)
        return NULL;

    for (idx = 0; idx < num - 1; ++idx) {
        if (idx == ctx->bytes_left)
            break;

        if (ctx->ptr[idx] == '\n')
            newline = '\n';
        else if (ctx->ptr[idx] == '\r')
            newline = '\r';

        if (newline)
            break;
    }

    memcpy(str, ctx->ptr, idx);
    str[idx] = 0;

    ctx->ptr += idx + 1;
    ctx->bytes_left -= idx + 1;

    if (newline && ctx->bytes_left > 0
            && ((newline == '\r' && ctx->ptr[0] == '\n') || (newline == '\n' && ctx->ptr[0] == '\r'))) {
        ctx->bytes_left--;
        ctx->ptr++;
    }
    return str;
}

static int handler(void* user, const char* section, const char* name, const char* value) {
    configuration* pconfig = (configuration*) user;