/*
* 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.
*/
/*
#define _GNU_SOURCE
-#ifndef NULL
-#define NULL ((void *)0)
-#endif
-
/* 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))
+#define UNALIGNED_PART(ptr, type) (((long) (ptr)) % sizeof(type))
-/* Temporary Files */
-
-#define TMP_DIR "tmp"
-#define TMP_DIR_LEN 3
+/* Some other macros */
-struct tempfile {
- int fh;
- byte name[32];
-};
-
-void open_temp(struct tempfile *, byte *);
-void delete_temp(struct tempfile *);
-u32 temprand(uns);
+#define MIN(a,b) (((a)<(b))?(a):(b))
+#define MAX(a,b) (((a)>(b))?(a):(b))
+#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
/* Logging */
#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
#ifdef LOCAL_DEBUG
/* 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
*/
#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 */
typedef struct regex regex;
-regex *rx_compile(byte *r);
+regex *rx_compile(byte *r, int icase);
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);
/* mmap.c */
-void *mmap_file(byte *name, unsigned *len);
+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);
+void setproctitle(char *msg, ...) __attribute__((format(printf,1,2)));
+
+/* randomkey.c */
+
+void randomkey(byte *buf, uns size);
#endif