/*
* Sherlock Library -- Miscellaneous Functions
*
- * (c) 1997--2000 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);
-
-/* FIXME: Remove? */
-#define TF_GENERIC "t"
-#define TF_QUEUE_CONTROL "c"
-#define TF_QUEUE_DATA "d"
-#define TF_DECODE "x"
-#define TF_TRANSFORM "s"
-#define TF_OBJECT "o"
+#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
+#define COMPARE(x,y) do { if ((x)<(y)) return -1; if ((x)>(y)) return 1; } while(0)
/* Logging */
-/* FIXME: Define new logging mechanism? */
+#define L_DEBUG 'D' /* Debugging messages */
+#define L_INFO 'I' /* Informational msgs, warnings and errors */
+#define L_WARN 'W'
+#define L_ERROR 'E'
+#define L_INFO_R 'i' /* Errors caused by external events */
+#define L_WARN_R 'w'
+#define L_ERROR_R 'e'
+#define L_FATAL '!' /* die() */
-#define L_DEBUG "<0>"
-#define L_INFO "<2>"
-#define L_WARN "<4>"
-#define L_ERROR "<6>"
-#define L_FATAL "<9>"
+extern char *log_title; /* NULL - print no title, default is log_progname */
-void log(byte *, ...);
+void log_msg(unsigned int cat, const char *msg, ...) __attribute__((format(printf,2,3)));
+#define log log_msg
void die(byte *, ...) NONRET;
-void initlog(byte *);
-void open_log_file(byte *);
+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
+void assert_failed(void) NONRET;
+#define ASSERT(x) do { if (__builtin_constant_p(x) && !(x)) assert_failed(); } while(0)
+#endif
+
+#define CPP_ASSERT(name,x) typedef char _CPP_ASSERT_##name[!!(x)-1]
+
+#ifdef LOCAL_DEBUG
+#define DBG(x,y...) log(L_DEBUG, x,##y)
#else
-#define ASSERT(x) do { } while(0)
+#define DBG(x,y...) do { } while(0)
#endif
-/* Allocation */
+/* 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
* their own xmalloc and we don't want to interfere with them, hence
* the renaming.
*/
-#define xmalloc bird_xmalloc
+#define xmalloc sh_xmalloc
void *xmalloc(unsigned);
void *xrealloc(void *, unsigned);
#define xfree(x) free(x)
#endif
+void *xmalloc_zero(unsigned);
byte *stralloc(byte *);
/* Content-Type pattern matching and filters */
int match_ct_patt(byte *, byte *);
-/* Binary log */
+/* log2.c */
-int log2(u32);
+int fls(u32);
/* wordsplit.c */
int wordsplit(byte *, byte **, uns);
-/* pat(i)match.c */
+/* pat(i)match.c: Matching of shell patterns */
int match_pattern(byte *, byte *);
int match_pattern_nocase(byte *, byte *);
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