fix when building for windows using clang

Author: iamcalledrob

README.md

@@ -53,4 +53,4 @@ https://godoc.org/crawshaw.io/sqlite
 
 ## Platform specific considerations
 
-By default it requires some pthreads DLL on Windows. To avoid it, supply `CGOLDFLAGS="-static"` when building your application.
+By default it requires some pthreads DLL on Windows. To avoid it, supply `CGO_LDFLAGS="-static"` when building your application.

auth.go

@@ -2,10 +2,8 @@ package sqlite
 
 // #include <stdint.h>
 // #include <sqlite3.h>
-// extern int go_sqlite_auth_tramp(uintptr_t, int, char*, char*, char*, char*);
-// static int c_auth_tramp(void *userData, int action, const char* arg1, const char* arg2, const char* db, const char* trigger) {
-//   return go_sqlite_auth_tramp((uintptr_t)userData, action, (char*)arg1, (char*)arg2, (char*)db, (char*)trigger);
-// }
+//
+// extern int c_auth_tramp(void*, int, const char*, const char*, const char*, const char*);
 // static int sqlite3_go_set_authorizer(sqlite3* conn, uintptr_t id) {
 //   return sqlite3_set_authorizer(conn, c_auth_tramp, (void*)id);
 // }

sqlite.go

@@ -52,9 +52,9 @@ package sqlite
 //	return sqlite3_bind_blob(stmt, col, p, n, SQLITE_TRANSIENT);
 // }
 //
-// extern void log_fn(void* pArg, int code, char* msg);
+// extern void c_log_fn(void*, int, char*);
 // static void enable_logging() {
-//	sqlite3_config(SQLITE_CONFIG_LOG, log_fn, NULL);
+//	sqlite3_config(SQLITE_CONFIG_LOG, c_log_fn, NULL);
 // }
 //
 // static int db_config_onoff(sqlite3* db, int op, int onoff) {
@@ -170,7 +170,6 @@ func openConn(path string, flags ...OpenFlags) (*Conn, error) {
 		}
 	}
 
-
 	return conn, nil
 }
 
@@ -1224,8 +1223,8 @@ func sqliteInitFn() {
 	}
 }
 
-//export log_fn
-func log_fn(_ unsafe.Pointer, code C.int, msg *C.char) {
+//export go_log_fn
+func go_log_fn(_ unsafe.Pointer, code C.int, msg *C.char) {
 	var msgBytes []byte
 	if msg != nil {
 		str := C.GoString(msg) // TODO: do not copy msg.

wrappers.c

@@ -47,3 +47,12 @@ void c_destroy_tramp(void* ptr) {
         return go_destroy_tramp((uintptr_t)ptr);
 }
 
+extern int go_sqlite_auth_tramp(uintptr_t, int, char*, char*, char*, char*);
+int c_auth_tramp(void *userData, int action, const char* arg1, const char* arg2, const char* db, const char* trigger) {
+        return go_sqlite_auth_tramp((uintptr_t)userData, action, (char*)arg1, (char*)arg2, (char*)db, (char*)trigger);
+}
+
+extern void go_log_fn(void*, int, char*);
+void c_log_fn(void* pArg, int code, char* msg) {
+        return go_log_fn(pArg, code, msg);
+}