rename

Author: vladak

src/foo-consumer.c

@@ -0,0 +1,15 @@
+#include <stdio.h>
+
+#include "opaque.h"
+
+int
+main(void)
+{
+	opaque_t h; // has to be a pointer
+
+	// will not compile:
+	// printf("%zu\n", sizeof (struct opaque));
+
+	h = getOpaque();
+	doStuff(h);
+}

src/foo.c

@@ -0,0 +1,16 @@
+#include <stdlib.h>
+
+#include "opaque_impl.h"
+
+struct opaque *
+getOpaque(void)
+{
+	return (malloc(sizeof (struct opaque)));
+}
+
+void
+doStuff(struct opaque *f)
+{
+	f->x = 1;
+	f->y = 2;
+}

src/foo.h

@@ -0,0 +1,11 @@
+/*
+ * This is public header file, to be distributed with the library built
+ * from opaque.c
+ */
+
+struct opaque;
+
+typedef struct opaque *opaque_t;
+
+void doStuff(struct opaque *f);
+struct opaque *getOpaque(void);

src/opaque-consumer.c

@@ -1,9 +1,9 @@
 /*
  * This is supposed to be a private header file, not shipped with the library
- * built from foo.c.
+ * built from opaque.c.
  */
 
-struct foo {
+struct opaque {
 	int x;
 	int y;
 };