59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
#include <curl/curl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#define WEATHER_FORMAT "?format=%f+%C"
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#define MAX_SIZE 1024
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size_t write_callback(void *ptr, size_t size, size_t nmemb, char *data) {
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strncat(data, ptr, size * nmemb);
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return size * nmemb;
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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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fprintf(stderr, "Usage: %s <location>\n", argv[0]);
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return 1;
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}
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char url[MAX_SIZE], weather_data[MAX_SIZE] = {0}, cache_path[MAX_SIZE];
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const char *cache_dir = getenv("XDG_CACHE_HOME") ?: "/tmp";
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snprintf(url, sizeof(url), "https://wttr.in/%s%s", argv[1], WEATHER_FORMAT);
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snprintf(cache_path, sizeof(cache_path), "%s/weatherreport", cache_dir);
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curl_global_init(CURL_GLOBAL_DEFAULT);
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CURL *curl = curl_easy_init();
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if (!curl)
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return 1;
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curl_easy_setopt(curl, CURLOPT_URL, url);
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_callback);
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, weather_data);
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if (curl_easy_perform(curl) != CURLE_OK) {
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curl_easy_cleanup(curl);
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curl_global_cleanup();
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return 1;
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}
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curl_easy_cleanup(curl);
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curl_global_cleanup();
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// Remove '+' character
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for (char *p = weather_data; *p; p++) {
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if (*p == '+')
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memmove(p, p + 1, strlen(p));
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}
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FILE *fp = fopen(cache_path, "w");
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if (fp) {
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fputs(weather_data, fp);
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fclose(fp);
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}
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printf("%s\n", weather_data);
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return 0;
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}
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