X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=lib%2Flib.h;h=a36b5be6341537c7e41e168293a0391f54847dc5;hb=3cf2b0aaf15a2076c18de7e684703c175ed05d4e;hp=dea7c10c8929fa7fe923d24f69bbb78d12204e0a;hpb=7cad2aea777893dbacb8ae00aeeff81b319cb7d1;p=libucw.git

diff --git a/lib/lib.h b/lib/lib.h
index dea7c10c..a36b5be6 100644
--- a/lib/lib.h
+++ b/lib/lib.h
@@ -1,7 +1,10 @@
 /*
  *	Sherlock Library -- Miscellaneous Functions
  *
- *	(c) 1997--2001 Martin Mares <mj@ucw.cz>
+ *	(c) 1997--2004 Martin Mares <mj@ucw.cz>
+ *
+ *	This software may be freely distributed and used according to the terms
+ *	of the GNU Lesser General Public License.
  */
 
 /*
@@ -24,6 +27,7 @@
 #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))
+#define UNALIGNED_PART(ptr, type) (((long) (ptr)) % sizeof(type))
 
 /* Some other macros */
 
@@ -32,6 +36,11 @@
 #define CLAMP(x,min,max) ({ int _t=x; (_t < min) ? min : (_t > max) ? max : _t; })
 #define ABS(x) ((x) < 0 ? -(x) : (x))
 #define ARRAY_SIZE(a) (sizeof(a)/sizeof(*(a)))
+#define STRINGIFY(x) #x
+#define GLUE(x,y) x##y
+#define GLUE_(x,y) x##_##y
+#define COMPARE(x,y) do { if ((x)<(y)) return -1; if ((x)>(y)) return 1; } while(0)
+#define REV_COMPARE(x,y) COMPARE(y,x)
 
 /* Logging */
 
@@ -44,18 +53,25 @@
 #define L_ERROR_R	'e'
 #define L_FATAL		'!'		/* die() */
 
-void log(unsigned int cat, const char *msg, ...) __attribute__((format(printf,2,3)));
+extern char *log_title;			/* NULL - print no title, default is log_progname */
+
+void log_msg(unsigned int cat, const char *msg, ...) __attribute__((format(printf,2,3)));
+#define log log_msg
 void die(byte *, ...) NONRET;
 void log_init(byte *);
 void log_file(byte *);
 void log_fork(void);
 
 #ifdef DEBUG
-#define ASSERT(x) do { if (!(x)) die("Assertion `%s' failed at %s:%d", #x, __FILE__, __LINE__); } while(0)
+void assert_failed(char *assertion, char *file, int line) NONRET;
+#define ASSERT(x) do { if (unlikely(!(x))) assert_failed(#x, __FILE__, __LINE__); } while(0)
 #else
-#define ASSERT(x) do { } while(0)
+void assert_failed(void) NONRET;
+#define ASSERT(x) do { if (__builtin_constant_p(x) && !(x)) assert_failed(); } while(0)
 #endif
 
+#define COMPILE_ASSERT(name,x) typedef char _COMPILE_ASSERT_##name[!!(x)-1]
+
 #ifdef LOCAL_DEBUG
 #define DBG(x,y...) log(L_DEBUG, x,##y)
 #else
@@ -64,7 +80,7 @@ void log_fork(void);
 
 /* Memory allocation */
 
-#ifdef DMALLOC
+#ifdef DEBUG_DMALLOC
 /*
  * The standard dmalloc macros tend to produce lots of namespace
  * conflicts and we use only xmalloc and xfree, so we can define
@@ -83,48 +99,20 @@ void log_fork(void);
  */
 #define xmalloc sh_xmalloc
 void *xmalloc(unsigned);
-void *xmalloc_zero(unsigned);
 void *xrealloc(void *, unsigned);
 #define xfree(x) free(x)
 #endif
 
+void *xmalloc_zero(unsigned);
 byte *stralloc(byte *);
 
-/* Objects */
-
-struct fastbuf;
-
-struct odes {				/* Object description */
-  struct oattr *attrs;
-  struct mempool *pool, *local_pool;
-};
-
-struct oattr {				/* Object attribute */
-  struct oattr *next, *same, *last_same;
-  byte attr;
-  byte val[1];
-};
-
-void obj_dump(struct odes *);
-struct odes *obj_new(struct mempool *);
-void obj_free(struct odes *);
-int obj_read(struct fastbuf *, struct odes *);
-void obj_write(struct fastbuf *, struct odes *);
-struct oattr *obj_find_attr(struct odes *, uns);
-struct oattr *obj_find_attr_last(struct odes *, uns);
-uns obj_del_attr(struct odes *, struct oattr *);
-byte *obj_find_aval(struct odes *, uns);
-struct oattr *obj_set_attr(struct odes *, uns, byte *);
-struct oattr *obj_set_attr_num(struct odes *, uns, uns);
-struct oattr *obj_add_attr(struct odes *, struct oattr *, uns, byte *);
-
 /* Content-Type pattern matching and filters */
 
 int match_ct_patt(byte *, byte *);
 
 /* log2.c */
 
-int log2(u32);
+int fls(u32);
 
 /* wordsplit.c */
 
@@ -171,6 +159,14 @@ uns random_max(uns);
 void *mmap_file(byte *name, unsigned *len, int writeable);
 void munmap_file(void *start, unsigned len);
 
+/* partmap.c */
+
+struct partmap;
+struct partmap *partmap_open(byte *name, int writeable);
+void *partmap_map(struct partmap *p, sh_off_t offset, uns size);
+void partmap_close(struct partmap *p);
+sh_off_t partmap_size(struct partmap *p);
+
 /* proctitle.c */
 
 void setproctitle_init(int argc, char **argv);