feat: rcmem

app/rc.c

@@ -0,0 +1,35 @@
+#include <c-libs/rcmem.h>
+#include <stdio.h>
+#include <string.h>
+
+void do_stuff(char *rc_s) { printf("Ptr %p -> %s\n", rc_s, rc_s); }
+
+char *mk_rc_str(const char *s) {
+  char *rc_s = rc_new(20);
+  strncpy(rc_s, s, 20);
+  return rc_s;
+}
+
+void rc_info(void *rc) { printf("RC: %d, WRC: %d\n", rc_rc(rc), rc_wrc(rc)); }
+
+static char *global_rc_s;
+
+int main() {
+  char *rc_s = mk_rc_str("Hello World!");
+
+  global_rc_s = rc_ref(rc_s);
+  rc_info(rc_s);
+  rc_unref(rc_s);
+  rc_info(global_rc_s);
+
+  do_stuff(global_rc_s);
+
+  global_rc_s = rc_realloc(global_rc_s, 20480);
+  memset(global_rc_s, 'A', 20480);
+  global_rc_s[50] = '\0';
+  do_stuff(global_rc_s);
+
+  rc_unref(global_rc_s);
+
+  return 0;
+}