initial commit

sb-weather.c

@@ -0,0 +1,58 @@
+#include <curl/curl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define WEATHER_FORMAT "?format=%f+%C"
+#define MAX_SIZE 1024
+
+size_t write_callback(void *ptr, size_t size, size_t nmemb, char *data) {
+  strncat(data, ptr, size * nmemb);
+  return size * nmemb;
+}
+
+int main(int argc, char *argv[]) {
+  if (argc < 2) {
+    fprintf(stderr, "Usage: %s <location>\n", argv[0]);
+    return 1;
+  }
+
+  char url[MAX_SIZE], weather_data[MAX_SIZE] = {0}, cache_path[MAX_SIZE];
+  const char *cache_dir = getenv("XDG_CACHE_HOME") ?: "/tmp";
+
+  snprintf(url, sizeof(url), "https://wttr.in/%s%s", argv[1], WEATHER_FORMAT);
+  snprintf(cache_path, sizeof(cache_path), "%s/weatherreport", cache_dir);
+
+  curl_global_init(CURL_GLOBAL_DEFAULT);
+  CURL *curl = curl_easy_init();
+  if (!curl)
+    return 1;
+
+  curl_easy_setopt(curl, CURLOPT_URL, url);
+  curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_callback);
+  curl_easy_setopt(curl, CURLOPT_WRITEDATA, weather_data);
+
+  if (curl_easy_perform(curl) != CURLE_OK) {
+    curl_easy_cleanup(curl);
+    curl_global_cleanup();
+    return 1;
+  }
+
+  curl_easy_cleanup(curl);
+  curl_global_cleanup();
+
+  // Remove '+' character
+  for (char *p = weather_data; *p; p++) {
+    if (*p == '+')
+      memmove(p, p + 1, strlen(p));
+  }
+
+  FILE *fp = fopen(cache_path, "w");
+  if (fp) {
+    fputs(weather_data, fp);
+    fclose(fp);
+  }
+
+  printf("%s\n", weather_data);
+  return 0;
+}