Allow locked dirty pages. Better debugging. Simplified and cleaned up

[libucw.git] / lib / lib.h

diff --git a/lib/lib.h b/lib/lib.h
index 137c2472aff838d9f87900f28e6bf61945e6061c..72337d93ea93b5118cd0aa180ce06ab174b1540d 100644 (file)
--- a/lib/lib.h
+++ b/lib/lib.h
@@ -4,8 +4,17 @@
  *     (c) 1997 Martin Mares, <mj@atrey.karlin.mff.cuni.cz>
  */
 
+#ifndef _SHERLOCK_LIB_H
+#define _SHERLOCK_LIB_H
+
 #include <lib/config.h>
 
+/* Ugly structure handling macros */
+
+#define OFFSETOF(s, i) ((unsigned int)&((s *)0)->i)
+#define SKIP_BACK(s, i, p) ((s *)((char *)p - OFFSETOF(s, i)))
+#define ALIGN(s, a) (((s)+a-1)&~(a-1))
+
 /* Temporary Files */
 
 #define TMP_DIR "tmp"
@@ -18,7 +27,7 @@ struct tempfile {
 
 void open_temp(struct tempfile *, byte *);
 void delete_temp(struct tempfile *);
-ulg temprand(uns);
+u32 temprand(uns);
 
 #define TF_GENERIC "t"
 #define TF_QUEUE_CONTROL "c"
@@ -43,6 +52,7 @@ struct cfitem {
 typedef byte *(*ci_func)(struct cfitem *, byte *);
 
 void cf_read(byte *, struct cfitem *);
+int cf_read_err(byte *, struct cfitem *); /* Read with possible error, 1 = succeeded */
 
 /* Logging */
 
@@ -57,9 +67,16 @@ void die(byte *, ...) NONRET;
 void initlog(byte *);
 void open_log_file(byte *);
 
+#ifdef DEBUG
+#define ASSERT(x) do { if (!(x)) die("Assertion `%s' failed at %s:%d", #x, __FILE__, __LINE__); } while(0)
+#else
+#define ASSERT(x) do { } while(0)
+#endif
+
 /* Allocation */
 
 void *xmalloc(uns);
+void *xrealloc(void *, uns);
 byte *stralloc(byte *);
 
 /* Content-Type pattern matching and filters */
@@ -74,11 +91,7 @@ int match_ct_filter(struct ct_filter *, byte *);
 
 /* Binary log */
 
-#ifdef HAVE_FFS
-#define log2(x) (ffs(x) - 1)
-#else
-int log2(ulg);
-#endif
+int log2(u32);
 
 /* obj.c */
 
@@ -94,7 +107,7 @@ struct oattr {                               /* Object attribute */
 };
 
 void obj_dump(struct odes *);
-struct odes *obj_fload(FILE *);
+struct odes *obj_fload(FILE *, byte *);
 struct odes *obj_new(void);
 struct odes *obj_load(byte *);
 void obj_fwrite(FILE *, struct odes *);
@@ -111,8 +124,11 @@ struct oattr *prepend_attr(struct odes *, uns, byte *);
 
 /* oname.c */
 
-void mk_obj_name(byte *, ulg, byte *);
-int dump_obj_to_file(byte *, ulg, struct odes *, int);
+#define OID_MIN 0x10000                /* Values less than this have special meaning */
+
+oid_t new_oid(uns);
+void mk_obj_name(byte *, oid_t, byte *);
+int dump_obj_to_file(byte *, oid_t, struct odes *, int);
 
 /* wordsplit.c */
 
@@ -140,3 +156,26 @@ uns nextprime(uns);
 
 void init_timer(void);
 uns get_timer(void);
+
+/* regex.c */
+
+typedef struct regex regex;
+
+regex *rx_compile(byte *r);
+void rx_free(regex *r);
+int rx_match(regex *r, byte *s);
+int rx_subst(regex *r, byte *by, byte *src, byte *dest, uns destlen);
+
+/* objwalk.c */
+
+void scan_obj_tree(byte *, void (*)(oid_t, byte *));
+
+/* random.c */
+
+uns random_max(uns);
+
+/* mmap.c */
+
+void *mmap_file(byte *name, unsigned *len);
+
+#endif