From: Magnus Jacobsson <Magnus.Jacobsson@berotec.se>
Date: Tue, 27 Jul 2021 09:48:19 +0000 (+0200)
Subject: common: add storage-class attribute declarations in colorprocs.h
X-Git-Tag: 3.0.0~99^2~1
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=d04ef9f8e2f54c6d0ab3ab0bba8ef312cd4e8827;p=graphviz

common: add storage-class attribute declarations in colorprocs.h

Towards https://gitlab.com/graphviz/graphviz/-/issues/2058.
---

diff --git a/lib/common/colorprocs.h b/lib/common/colorprocs.h
index fcf959928..bb0db31dd 100644
--- a/lib/common/colorprocs.h
+++ b/lib/common/colorprocs.h
@@ -18,9 +18,23 @@
 extern "C" {
 #endif
 
-extern void setColorScheme (char* s);
-extern int colorxlate(char *str, gvcolor_t * color, color_type_t target_type);
-extern char *canontoken(char *str);
+#ifdef GVDLL
+#ifdef GVC_EXPORTS
+#define COLORPROCS_API __declspec(dllexport)
+#else
+#define COLORPROCS_API __declspec(dllimport)
+#endif
+#endif
+
+#ifndef COLORPROCS_API
+#define COLORPROCS_API /* nothing */
+#endif
+
+COLORPROCS_API void setColorScheme (char* s);
+COLORPROCS_API int colorxlate(char *str, gvcolor_t * color, color_type_t target_type);
+COLORPROCS_API char *canontoken(char *str);
+
+#undef COLORPROCS_API
 
 #ifdef __cplusplus
 }