Fix type errors

peterstace · Mar 29, 2023 · e470e4d · e470e4d
1 parent 885d8dc
commit e470e4d
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Showing 3 changed files with 4 additions and 4 deletions.
diff --git a/geoscpp/bridge_geos.cpp b/geoscpp/bridge_geos.cpp
@@ -1,7 +1,7 @@
 #include "bridge_geos.h"
 #include <cstring>
 
-void SF_GEOS_Union(char* gi1, char* gi2, char** gr, char** err) {
+void SF_GEOS_Union(unsigned char *gi1, unsigned char *gi2, char **gr, char **err) {
 	*err = new char[1024];
 	strcpy(*err, "uh oh, something went wrong!");
 }
diff --git a/geoscpp/bridge_geos.h b/geoscpp/bridge_geos.h
@@ -3,7 +3,7 @@
 extern "C" {
 #endif
 
-void SF_GEOS_Union(char* gi1, char* gi2, char** gr, char** err);
+void SF_GEOS_Union(unsigned char *gi1, unsigned char *gi2, char **gr, char **err);
 
 #ifdef __cplusplus
 } // extern "C"

diff --git a/geoscpp/union.go b/geoscpp/union.go
@@ -19,8 +19,8 @@ func Union(g1, g2 geom.Geometry) (geom.Geometry, error) {
 	g2WKB := g2.AsBinary()
 	var outputBuf, errBuf *C.char
 	C.SF_GEOS_Union(
-		(*C.char)(&g1WKB[0]),
-		(*C.char)(&g2WKB[0]),
+		(*C.uchar)(&g1WKB[0]),
+		(*C.uchar)(&g2WKB[0]),
 		&outputBuf,
 		&errBuf,
 	)