Fully rewrite dictstat logic to make it possible to pack it into a module

include/dictstat.h

@@ -12,6 +12,9 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 
+#include <errno.h>
+#include <search.h>
+
 #define MAX_DICTSTAT 10000
 
 typedef struct
@@ -28,6 +31,27 @@ typedef struct
 
 } dictstat_t;
 
+typedef struct
+{
+  char *filename;
+
+  dictstat_t *base;
+
+  #if defined (_POSIX)
+  size_t cnt;
+  #else
+  uint   cnt;
+  #endif
+
+} dictstat_ctx_t;
+
 int sort_by_dictstat (const void *s1, const void *s2);
 
+void dictstat_init    (dictstat_ctx_t *dictstat_ctx, char *profile_dir);
+void dictstat_destroy (dictstat_ctx_t *dictstat_ctx);
+void dictstat_read    (dictstat_ctx_t *dictstat_ctx);
+int  dictstat_write   (dictstat_ctx_t *dictstat_ctx);
+u64  dictstat_find    (dictstat_ctx_t *dictstat_ctx, dictstat_t *d);
+void dictstat_append  (dictstat_ctx_t *dictstat_ctx, dictstat_t *d);
+
 #endif // _DICTSTAT_H