From 31ce11c5931305c6a75a3cf126cd8d64871b014a Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Fri, 4 Oct 2019 18:18:53 -0700
Subject: [PATCH] Make sure nanosvg functions are static so they aren't
 exported through the SDL_image static library

---
 IMG_svg.c     |  1 +
 nanosvg.h     | 18 +++++++++++-------
 nanosvgrast.h | 23 +++++++++++++++--------
 3 files changed, 27 insertions(+), 15 deletions(-)

diff --git a/IMG_svg.c b/IMG_svg.c
index 7f08f5a9..9edd3b9f 100644
--- a/IMG_svg.c
+++ b/IMG_svg.c
@@ -67,6 +67,7 @@
 #endif
 #undef HAVE_STDIO_H
 
+#define NSVG_EXPORT static
 #define NANOSVG_IMPLEMENTATION
 #include "nanosvg.h"
 #define NANOSVGRAST_IMPLEMENTATION
diff --git a/nanosvg.h b/nanosvg.h
index 8b2154be..be35c54d 100644
--- a/nanosvg.h
+++ b/nanosvg.h
@@ -29,6 +29,10 @@
 #ifndef NANOSVG_H
 #define NANOSVG_H
 
+#ifndef NSVG_EXPORT
+#define NSVG_EXPORT
+#endif
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -161,14 +165,14 @@ typedef struct NSVGimage
 } NSVGimage;
 
 // Parses SVG file from a file, returns SVG image as paths.
-NSVGimage* nsvgParseFromFile(const char* filename, const char* units, float dpi);
+NSVG_EXPORT NSVGimage* nsvgParseFromFile(const char* filename, const char* units, float dpi);
 
 // Parses SVG file from a null terminated string, returns SVG image as paths.
 // Important note: changes the string.
-NSVGimage* nsvgParse(char* input, const char* units, float dpi);
+NSVG_EXPORT NSVGimage* nsvgParse(char* input, const char* units, float dpi);
 
 // Deletes list of paths.
-void nsvgDelete(NSVGimage* image);
+NSVG_EXPORT void nsvgDelete(NSVGimage* image);
 
 #ifdef __cplusplus
 }
@@ -1257,7 +1261,7 @@ typedef struct NSVGNamedColor {
 	unsigned int color;
 } NSVGNamedColor;
 
-NSVGNamedColor nsvg__colors[] = {
+static NSVGNamedColor nsvg__colors[] = {
 
 	{ "red", NSVG_RGB(255, 0, 0) },
 	{ "green", NSVG_RGB( 0, 128, 0) },
@@ -2961,7 +2965,7 @@ static void nsvg__scaleToViewbox(NSVGparser* p, const char* units)
 	}
 }
 
-NSVGimage* nsvgParse(char* input, const char* units, float dpi)
+NSVG_EXPORT NSVGimage* nsvgParse(char* input, const char* units, float dpi)
 {
 	NSVGparser* p;
 	NSVGimage* ret = 0;
@@ -2986,7 +2990,7 @@ NSVGimage* nsvgParse(char* input, const char* units, float dpi)
 }
 
 #ifdef HAVE_STDIO_H
-NSVGimage* nsvgParseFromFile(const char* filename, const char* units, float dpi)
+NSVG_EXPORT NSVGimage* nsvgParseFromFile(const char* filename, const char* units, float dpi)
 {
 	FILE* fp = NULL;
 	size_t size;
@@ -3016,7 +3020,7 @@ NSVGimage* nsvgParseFromFile(const char* filename, const char* units, float dpi)
 }
 #endif /* HAVE_STDIO_H */
 
-void nsvgDelete(NSVGimage* image)
+NSVG_EXPORT void nsvgDelete(NSVGimage* image)
 {
 	NSVGshape *snext, *shape;
 	if (image == NULL) return;
diff --git a/nanosvgrast.h b/nanosvgrast.h
index c5059841..fbd1d861 100644
--- a/nanosvgrast.h
+++ b/nanosvgrast.h
@@ -25,6 +25,10 @@
 #ifndef NANOSVGRAST_H
 #define NANOSVGRAST_H
 
+#ifndef NSVG_EXPORT
+#define NSVG_EXPORT
+#endif
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -44,7 +48,7 @@ typedef struct NSVGrasterizer NSVGrasterizer;
 */
 
 // Allocated rasterizer context.
-NSVGrasterizer* nsvgCreateRasterizer(void);
+NSVG_EXPORT NSVGrasterizer* nsvgCreateRasterizer(void);
 
 // Rasterizes SVG image, returns RGBA image (non-premultiplied alpha)
 //   r - pointer to rasterizer context
@@ -55,12 +59,12 @@ NSVGrasterizer* nsvgCreateRasterizer(void);
 //   w - width of the image to render
 //   h - height of the image to render
 //   stride - number of bytes per scaleline in the destination buffer
-void nsvgRasterize(NSVGrasterizer* r,
-				   NSVGimage* image, float tx, float ty, float scale,
-				   unsigned char* dst, int w, int h, int stride);
+NSVG_EXPORT void nsvgRasterize(NSVGrasterizer* r,
+				               NSVGimage* image, float tx, float ty, float scale,
+				               unsigned char* dst, int w, int h, int stride);
 
 // Deletes rasterizer context.
-void nsvgDeleteRasterizer(NSVGrasterizer*);
+NSVG_EXPORT void nsvgDeleteRasterizer(NSVGrasterizer*);
 
 
 #ifdef __cplusplus
@@ -70,6 +74,9 @@ void nsvgDeleteRasterizer(NSVGrasterizer*);
 #endif // NANOSVGRAST_H
 
 #ifdef NANOSVGRAST_IMPLEMENTATION
+#ifndef NSVG_EXPORT
+#define NSVG_EXPORT
+#endif
 
 /*
 #include <math.h>
@@ -145,7 +152,7 @@ struct NSVGrasterizer
 	int width, height, stride;
 };
 
-NSVGrasterizer* nsvgCreateRasterizer()
+NSVG_EXPORT NSVGrasterizer* nsvgCreateRasterizer()
 {
 	NSVGrasterizer* r = (NSVGrasterizer*)malloc(sizeof(NSVGrasterizer));
 	if (r == NULL) goto error;
@@ -161,7 +168,7 @@ NSVGrasterizer* nsvgCreateRasterizer()
 	return NULL;
 }
 
-void nsvgDeleteRasterizer(NSVGrasterizer* r)
+NSVG_EXPORT void nsvgDeleteRasterizer(NSVGrasterizer* r)
 {
 	NSVGmemPage* p;
 
@@ -1360,7 +1367,7 @@ static void dumpEdges(NSVGrasterizer* r, const char* name)
 }
 */
 
-void nsvgRasterize(NSVGrasterizer* r,
+NSVG_EXPORT void nsvgRasterize(NSVGrasterizer* r,
 				   NSVGimage* image, float tx, float ty, float scale,
 				   unsigned char* dst, int w, int h, int stride)
 {