Исправление ошибки работы с ссылками

main
KlimecnhenkoIA 4 месяцев назад
Родитель a7a7d53412
Сommit 427ca5140c

@ -8,35 +8,42 @@
#include <string> #include <string>
using namespace std; using namespace std;
struct Input { struct Input
{
vector<double> numbers; vector<double> numbers;
size_t bin_count; size_t bin_count;
}; };
Input input_data(istream& in, bool prompt) { Input input_data(istream& in, bool prompt)
{
Input inp; Input inp;
size_t number_count; size_t number_count;
if (prompt){ if (prompt)
{
cerr << "Enter number count: "; cerr << "Enter number count: ";
} }
cin >> number_count; in >> number_count;
inp.numbers.resize(number_count); inp.numbers.resize(number_count);
if (prompt){ if (prompt)
cerr << "Enter numbers: "; {
} cerr << "Enter numbers: ";
for (size_t i = 0; i < number_count; i++) { }
cin >> inp.numbers[i]; for (size_t i = 0; i < number_count; i++)
{
in >> inp.numbers[i];
} }
if (prompt) { if (prompt)
cerr << "Enter bin count: "; {
cerr << "Enter bin count: ";
} }
cin >> inp.bin_count; in >> inp.bin_count;
return inp; return inp;
} }
size_t size_t
write_data(void* items, size_t item_size, size_t item_count, void* ctx) { write_data(void* items, size_t item_size, size_t item_count, void* ctx)
{
stringstream* buffer = reinterpret_cast<stringstream*>(ctx); stringstream* buffer = reinterpret_cast<stringstream*>(ctx);
size_t data_size = item_size * item_count; size_t data_size = item_size * item_count;
(*buffer).write(reinterpret_cast<const char*>(items), data_size); (*buffer).write(reinterpret_cast<const char*>(items), data_size);
@ -44,17 +51,20 @@ write_data(void* items, size_t item_size, size_t item_count, void* ctx) {
} }
Input Input
download(const string& adress){ download(const string& adress)
{
stringstream buffer; stringstream buffer;
CURL* curl = curl_easy_init(); CURL* curl = curl_easy_init();
if(curl) { if(curl)
{
CURLcode res; CURLcode res;
curl_easy_setopt(curl, CURLOPT_URL, adress.c_str()); curl_easy_setopt(curl, CURLOPT_URL, adress.c_str());
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data); curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &buffer); curl_easy_setopt(curl, CURLOPT_WRITEDATA, &buffer);
res = curl_easy_perform(curl); res = curl_easy_perform(curl);
if (res != CURLE_OK){ if (res != CURLE_OK)
{
cerr << curl_easy_strerror(res); cerr << curl_easy_strerror(res);
exit(1); exit(1);
} }
@ -63,16 +73,19 @@ download(const string& adress){
return input_data(buffer, false); return input_data(buffer, false);
} }
int main(int argc, char* argv[]) { int main(int argc, char* argv[])
{
Input input; Input input;
if (argc > 1) { if (argc > 1)
{
input = download(argv[1]); input = download(argv[1]);
} else { }
else
{
input = input_data(cin, true); input = input_data(cin, true);
} }
auto in = input_data(cin, true); auto bins = make_histogram(input.numbers, input.bin_count);
auto bins = make_histogram(in.numbers, in.bin_count);
show_histogram_svg(bins); show_histogram_svg(bins);
return 0; return 0;
} }

Загрузка…
Отмена
Сохранить