fixup provide the old solution for the tool codebagder/dyn_addf-less-malloc

... since it doesn't have access to the printf() internal function.

1 files changed, 16 insertions, 0 deletions

diff --git a/lib/dynbuf.c b/lib/dynbuf.c
index 152fac0d0..2dace3428 100644
--- a/lib/dynbuf.c
+++ b/lib/dynbuf.c
@@ -182,6 +182,7 @@ CURLcode Curl_dyn_add(struct dynbuf *s, const char *str)
 CURLcode Curl_dyn_addf(struct dynbuf *s, const char *fmt, ...)
 {
   va_list ap;
+#ifdef BUILDING_LIBCURL
   int rc;
   va_start(ap, fmt);
   rc = Curl_dyn_vprintf(s, fmt, ap);
@@ -189,10 +190,25 @@ CURLcode Curl_dyn_addf(struct dynbuf *s, const char *fmt, ...)
 
   if(!rc)
     return CURLE_OK;
+#else
+  char *str;
+  va_start(ap, fmt);
+  str = vaprintf(fmt, ap); /* this allocs a new string to append */
+  va_end(ap);
 
+  if(str) {
+    CURLcode result = dyn_nappend(s, (unsigned char *)str, strlen(str));
+    free(str);
+    return result;
+  }
+  /* If we failed, we cleanup the whole buffer and return error */
+  Curl_dyn_free(s);
+#endif
   return CURLE_OUT_OF_MEMORY;
 }
 
+
+
 /*
  * Returns a pointer to the buffer.
  */