95 lines
2.3 KiB
C
95 lines
2.3 KiB
C
// @COMPILECMD gcc $@ -o $* -lcurl
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#include <stdio.h>
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#include <curl/curl.h>
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#include <stdlib.h>
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#include <string.h>
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typedef struct{
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char *string;
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size_t size;
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} Response;
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size_t write_chunk(void *data, size_t size, size_t nmemb, void *userdata);
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int main(int argc, char** argv){
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if(argc != 2){
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fprintf(stderr, "how to use: ./curl_get_youtube_rss_link BroCodez (aka. the youtube channel name as seen on the link when you are on that channel`s home or video page ... without the @\n");
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exit(1);
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}
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CURL *curl;
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CURLcode result;
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curl = curl_easy_init();
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if (curl == NULL){
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fprintf(stderr, "HTTP request failed\n");
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return -1;
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}
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Response response;
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response.string = malloc(1);
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response.size = 0;
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char url[120];
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sprintf(url, "https://www.youtube.com/@%s/videos", argv[1]);
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curl_easy_setopt(curl, CURLOPT_URL, url);
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_chunk);
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *) &response);
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result = curl_easy_perform(curl);
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if (result != CURLE_OK){
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fprintf(stderr, "Error: %s\n", curl_easy_strerror(result));
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return -1;
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}
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int start_of_rss_link = 0;
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int end_of_rss_link = 0;
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for(int i = strlen(response.string); i != 0; i--){
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if(response.string[i] == 102){
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if(response.string[i+1] == 101){
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if(response.string[i+2] == 101){
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if(response.string[i+3] == 100){
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if(response.string[i+4] == 115){
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if(response.string[i+5] == 47){
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start_of_rss_link = i-24;
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end_of_rss_link = i+51;
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char link[80];
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int k = 0;
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for(int j = start_of_rss_link; j <= end_of_rss_link; j++){
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link[k] = response.string[j];
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k++;
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if(j == end_of_rss_link){
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link[k] = '\0';
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}
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}
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printf("%s\n", link);
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return 0;
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}
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}
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}
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}
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}
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}
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}
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curl_easy_cleanup(curl);
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free(response.string);
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return 0;
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}
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size_t write_chunk(void *data, size_t size, size_t nmemb, void *userdata){
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size_t real_size = size * nmemb;
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Response *response = (Response *) userdata;
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char *ptr = realloc(response->string, response->size + real_size + 1);
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if (ptr == NULL){
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return CURL_WRITEFUNC_ERROR;
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}
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response->string = ptr;
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memcpy(&(response->string[response->size]), data, real_size);
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response->size += real_size;
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response->string[response->size] = 0; // '\0';
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return real_size;
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}
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