20250423

libcurl.c

@@ -1,6 +1,5 @@
 #include "libcurl.h"
 
-
 struct MemoryStruct {
     char *memory;
     size_t size;
@@ -28,7 +27,7 @@ static size_t WriteMemoryCallback(void *contents, size_t size, size_t nmemb, voi
 }
 
 char *GetLocalAddr(char *url)
-{   
+{
     CURL *curl_handle;
     CURLcode res;
 
@@ -100,8 +99,7 @@ char *CurlGetIpArea(char *ip)
 {
     char url[256] = { 0 };
     snprintf(url, sizeof(url), "https://qifu.baidu.com/ip/geo/v1/district?ip=%s", ip);
-    
-    
+
     CURL *curl_handle;
     CURLcode res;
 
@@ -169,13 +167,14 @@ char *CurlGetIpArea(char *ip)
 }
 
 // 函数用于从 cJSON 对象提取字段内容
-void parse_string_field(cJSON *parent, const char *field_name, char *output, size_t max_len) {
+void parse_string_field(cJSON *parent, const char *field_name, char *output, size_t max_len)
+{
     cJSON *item = cJSON_GetObjectItemCaseSensitive(parent, field_name);
     if (cJSON_IsString(item) && item->valuestring) {
         strncpy(output, item->valuestring, max_len - 1);
         output[max_len - 1] = '\0'; // 确保字符串以 '\0' 结尾
     } else {
-        output[0] = '\0'; // 如果字段不存在或不是字符串，设置为空字符串
+        output[0] = '\0';       // 如果字段不存在或不是字符串，设置为空字符串
     }
 }
 
@@ -186,7 +185,6 @@ int parse_json_to_struct(const char *json_string, Response *response)
         fprintf(stderr, "Invalid input parameters!\n");
         return -1;
     }
-
     // 初始化结构体
     memset(response, 0, sizeof(Response));
 
@@ -196,7 +194,6 @@ int parse_json_to_struct(const char *json_string, Response *response)
         fprintf(stderr, "Error parsing JSON: %s\n", cJSON_GetErrorPtr());
         return -1;
     }
-
     // 解析字段
     parse_string_field(root, "code", response->code, sizeof(response->code));
     parse_string_field(root, "ip", response->ip, sizeof(response->ip));
@@ -207,7 +204,6 @@ int parse_json_to_struct(const char *json_string, Response *response)
         cJSON_Delete(root);
         return -1;
     }
-
     // 解析 data 对象
     cJSON *data_item = cJSON_GetObjectItemCaseSensitive(root, "data");
     if (cJSON_IsObject(data_item)) {
@@ -222,20 +218,17 @@ int parse_json_to_struct(const char *json_string, Response *response)
         parse_string_field(data_item, "district", response->data.district, sizeof(response->data.district));
         parse_string_field(data_item, "region", response->data.region, sizeof(response->data.region));
     }
-
     // ----------- 拼接 continent_country ---------------
     if (snprintf(response->continent_country, sizeof(response->continent_country), "%s%s", response->data.continent, response->data.country) >= sizeof(response->continent_country)) {
         fprintf(stderr, "continent_country truncated!\n");
     }
-
     //snprintf(response->continent_country, 256, "%s%s", response->data.continent, response->data.country);
-    
+
     // 清理 JSON 对象
     cJSON_Delete(root);
     return 0;
 }
 
-
 /*
 int main(int argc, char *argv[])
 {