darling-lol/patches/curl.patch

diff --git a/curl/lib/sendf.c b/curl/lib/sendf.c
index 5008d93..6419694 100644
--- a/curl/lib/sendf.c
+++ b/curl/lib/sendf.c
@@ -261,14 +261,29 @@ void Curl_infof(struct Curl_easy *data, const char *fmt, ...)
 
 void Curl_failf(struct Curl_easy *data, const char *fmt, ...)
 {
-  if(data->set.verbose || data->set.errorbuffer) {
-    va_list ap;
-    size_t len;
-    char error[CURL_ERROR_SIZE + 2];
-    va_start(ap, fmt);
-    mvsnprintf(error, CURL_ERROR_SIZE, fmt, ap);
-    len = strlen(error);
+  va_list ap;
+  size_t len;
+  char error[CURL_ERROR_SIZE + 2];
 
+  va_start(ap, fmt);
+  mvsnprintf(error, CURL_ERROR_SIZE, fmt, ap);
+  va_end(ap);
+  len = strlen(error);
+
+  /* darling-lol M58F139: always emit the libcurl error to the guest console
+   * (fd 2) so the Riot launcher/patcher failure under Darling is named. */
+  {
+    extern long write(int, const void *, unsigned long);
+    char buf[CURL_ERROR_SIZE + 16];
+    size_t n = len;
+    if(n > CURL_ERROR_SIZE) n = CURL_ERROR_SIZE;
+    memcpy(buf, "LOLCURL ", 8);
+    memcpy(buf + 8, error, n);
+    buf[8 + n] = '\n';
+    write(2, buf, 8 + n + 1);
+  }
+
+  if(data->set.verbose || data->set.errorbuffer) {
     if(data->set.errorbuffer && !data->state.errorbuf) {
       strcpy(data->set.errorbuffer, error);
       data->state.errorbuf = TRUE; /* wrote error string */
@@ -278,7 +293,6 @@ void Curl_failf(struct Curl_easy *data, const char *fmt, ...)
       error[++len] = '\0';
       Curl_debug(data, CURLINFO_TEXT, error, len);
     }
-    va_end(ap);
   }
 }