82 行
1.8 KiB
C
82 行
1.8 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <libgen.h>
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#include <curl/curl.h>
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const char* sofname = "odl";
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const char* version = "0.1.0";
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char* filename;
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int progress_callback(void *cp, double dt, double dn, double ut, double un) {
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(void)cp;
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(void)ut;
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(void)un;
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double progress = (dn / dt) * 100.0;
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char* status = "ダウンロード中";
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if (progress == 100.0) status = "ダウンロード済み";
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printf("\r[");
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int barw = 50;
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int pos = (int)(progress * barw / 100.0);
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for (int i = 0; i < barw; ++i) {
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if (i < pos) printf("=");
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else if (i == pos) printf(">");
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else printf(" ");
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}
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printf("] %.2f%% %s, %s", progress, filename, status);
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fflush(stdout);
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return 0;
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}
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int main(int argc, char* argv[]) {
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if (argc < 2) {
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printf("usage: %s [url ...]\n", sofname);
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return 1;
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}
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CURL* curl = curl_easy_init();
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if (!curl) {
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perror("curlを初期設置に失敗。");
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return -1;
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}
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for (int i = 1; i < argc; i++) {
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const char* url = argv[i];
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filename = basename((char*)url);
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curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, progress_callback);
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curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0L);
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FILE* file = fopen(filename, "wb");
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if (!file) {
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curl_easy_cleanup(curl);
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perror("ファイルを開けません。");
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return -1;
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}
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curl_easy_setopt(curl, CURLOPT_URL, url);
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, file);
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CURLcode res = curl_easy_perform(curl);
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fclose(file);
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if (res != CURLE_OK) {
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curl_easy_cleanup(curl);
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fprintf(stderr, "ダウンロードに失敗： %s\n", curl_easy_strerror(res));
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return -1;
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}
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printf("\n");
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}
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curl_easy_cleanup(curl);
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printf("\nダウンロードに完了しました。\n");
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return 0;
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}
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