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-rw-r--r--src/download.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/src/download.c b/src/download.c
index 211987a..bd794b1 100644
--- a/src/download.c
+++ b/src/download.c
@@ -43,6 +43,7 @@ static size_t download_write_buffer_callback(char* data, size_t size, size_t nme
int download_to_buffer(const char* url, char** buf, uint32_t* length)
{
+ int res = 0;
curl_global_init(CURL_GLOBAL_ALL);
CURL* handle = curl_easy_init();
if (handle == NULL) {
@@ -58,23 +59,27 @@ int download_to_buffer(const char* url, char** buf, uint32_t* length)
curl_easy_setopt(handle, CURLOPT_WRITEFUNCTION, (curl_write_callback)&download_write_buffer_callback);
curl_easy_setopt(handle, CURLOPT_WRITEDATA, &response);
curl_easy_setopt(handle, CURLOPT_USERAGENT, "InetURL/1.0");
+ curl_easy_setopt(handle, CURLOPT_FOLLOWLOCATION, 1);
curl_easy_setopt(handle, CURLOPT_URL, url);
curl_easy_perform(handle);
curl_easy_cleanup(handle);
- if (response.content) {
+ if (response.length > 0) {
*length = response.length;
*buf = response.content;
+ } else {
+ res = -1;
}
curl_global_cleanup();
- return 0;
+ return res;
}
int download_to_file(const char* url, const char* filename)
{
+ int res = 0;
curl_global_init(CURL_GLOBAL_ALL);
CURL* handle = curl_easy_init();
if (handle == NULL) {
@@ -91,14 +96,21 @@ int download_to_file(const char* url, const char* filename)
curl_easy_setopt(handle, CURLOPT_WRITEFUNCTION, (curl_write_callback)&fwrite);
curl_easy_setopt(handle, CURLOPT_WRITEDATA, f);
curl_easy_setopt(handle, CURLOPT_USERAGENT, "InetURL/1.0");
+ curl_easy_setopt(handle, CURLOPT_FOLLOWLOCATION, 1);
curl_easy_setopt(handle, CURLOPT_URL, url);
curl_easy_perform(handle);
curl_easy_cleanup(handle);
+ off_t sz = ftello(f);
+ if ((sz == 0) || (sz == (off_t)-1)) {
+ res = -1;
+ remove(filename);
+ }
+
fclose(f);
curl_global_cleanup();
- return 0;
+ return res;
}