librclone: export the rclone RC as a C library #4891

librclone/ctest/Makefile

@@ -0,0 +1,22 @@
+CFLAGS = -g -Wall
+LDFLAGS = -L. -lrclone -lpthread -ldl
+
+static: ctest
+
+shared:
+	go build --buildmode=c-shared -o librclone.so github.com/rclone/rclone/librclone
+
+ctest: ctest.o librclone.h
+	$(CC) $(CFLAGS) -o $@ $< $(LDFLAGS)
+
+ctest.o: ctest.c librclone.h
+	$(CC) $(CFLAGS) -c $^ $(LDFLAGS)
+
+build:
+	go build
+
+librclone.h:
+	go build --buildmode=c-archive -o librclone.a github.com/rclone/rclone/librclone
+
+clean:
+	rm -f tmp ctest *.o *.a *.h *.gch

librclone/ctest/ctest.c

@@ -0,0 +1,32 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <dlfcn.h>
+#include "librclone.h"
+
+// copy file using "operations/copyfile" command
+void testCopyFile() {
+    struct CRPC_return res = CRPC("operations/copyfile", "{ \"srcFs\": \"/tmp\", \"srcRemote\": \"tmpfile\", \"dstFs\": \"/tmp\", \"dstRemote\": \"tmpfile2\" }");
+    printf("%d\n", res.r1); // status
+    printf("%s\n", res.r0); // output
+    free(res.r0);
+}
+
+// noop command
+void testNoOp() {
+    struct CRPC_return res = CRPC("rc/noop", "{ \"p1\": [1,\"2\",null,4], \"p2\": { \"a\":1, \"b\":2 } }");
+    printf("%d\n", res.r1); // status
+    printf("%s\n", res.r0); // output
+    free(res.r0);
+}
+
+int main(int argc, char** argv) {
+    printf("c main begin\n");
+    Cinit();
+
+    //testNoOp();
+    testCopyFile();
+
+    Cdestroy();
+    return EXIT_SUCCESS;
+}