header: define public API functions as extern c

Prior to this change linker errors would occur if curl_easy_header or curl_easy_nextheader was called from a C++ unit. Bug: #9424 (comment) Reported-by: Andrew Lambert Closes #9446
curl · Sep 8, 2022 · 9c822a9 · 9c822a9
1 parent eafc2b1
commit 9c822a9
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/include/curl/header.h b/include/curl/header.h
@@ -24,6 +24,10 @@
  *
  ***************************************************************************/
 
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
 struct curl_header {
   char *name;    /* this might not use the same case */
   char *value;
@@ -63,4 +67,8 @@ CURL_EXTERN struct curl_header *curl_easy_nextheader(CURL *easy,
                                                      int request,
                                                      struct curl_header *prev);
 
+#ifdef __cplusplus
+} /* end of extern "C" */
+#endif
+
 #endif /* CURLINC_HEADER_H */