my_sys.h

snort-2.1.0入侵检测

	/* defines for mf_iocache */

	/* Test if buffer is inited */
#define my_b_clear(info) (info)->buffer=0
#define my_b_inited(info) (info)->buffer
#define my_b_EOF INT_MIN

#define my_b_read(info,Buffer,Count) \
  ((info)->rc_pos + (Count) <= (info)->rc_end ?\
   (memcpy(Buffer,(info)->rc_pos,(size_t) (Count)), \
    ((info)->rc_pos+=(Count)),0) :\
   (*(info)->read_function)((info),Buffer,Count))

#define my_b_get(info) \
  ((info)->rc_pos != (info)->rc_end ?\
   ((info)->rc_pos++, (int) (uchar) (info)->rc_pos[-1]) :\
   _my_b_get(info))

#define my_b_write(info,Buffer,Count) \
  ((info)->rc_pos + (Count) <= (info)->rc_end ?\
   (memcpy((info)->rc_pos,Buffer,(size_t) (Count)), \
    ((info)->rc_pos+=(Count)),0) :\
   _my_b_write(info,Buffer,Count))

	/* my_b_write_byte dosn't have any err-check */
#define my_b_write_byte(info,chr) \
  (((info)->rc_pos < (info)->rc_end) ?\
   ((*(info)->rc_pos++)=(chr)) :\
   (_my_b_write(info,0,0) , ((*(info)->rc_pos++)=(chr))))

#define my_b_fill_cache(info) \
  (((info)->rc_end=(info)->rc_pos),(*(info)->read_function)(info,0,0))

#define my_b_tell(info) ((info)->pos_in_file + \
			 ((info)->rc_pos - (info)->rc_request_pos))

typedef struct st_changeable_var {
  const char *name;			/* Name of variable */
  long *varptr;				/* Pointer to variable */
  long def_value,			/* Default value */
       min_value,			/* Min allowed value */
       max_value,			/* Max allowed value */
       sub_size,			/* Subtract this from given value */
       block_size;			/* Value should be a mult. of this */
} CHANGEABLE_VAR;


/* structs for alloc_root */

#ifndef ST_USED_MEM_DEFINED
#define ST_USED_MEM_DEFINED
typedef struct st_used_mem {			/* struct for once_alloc */
  struct st_used_mem *next;			/* Next block in use */
  unsigned int left;				/* memory left in block  */
  unsigned int size;				/* Size of block */
} USED_MEM;

typedef struct st_mem_root {
  USED_MEM *free;
  USED_MEM *used;
  USED_MEM *pre_alloc;
  unsigned int	min_malloc;
  unsigned int	block_size;

  void (*error_handler)(void);
} MEM_ROOT;
#endif

	/* Prototypes for mysys and my_func functions */

extern int my_copy(const char *from,const char *to,myf MyFlags);
extern int my_append(const char *from,const char *to,myf MyFlags);
extern int my_delete(const char *name,myf MyFlags);
extern int my_getwd(my_string buf,uint size,myf MyFlags);
extern int my_setwd(const char *dir,myf MyFlags);
extern int my_lock(File fd,int op,my_off_t start, my_off_t length,myf MyFlags);
extern gptr my_once_alloc(uint Size,myf MyFlags);
extern void my_once_free(void);
extern my_string my_tempnam(const char *dir,const char *pfx,myf MyFlags);
extern File my_open(const char *FileName,int Flags,myf MyFlags);
extern File my_create(const char *FileName,int CreateFlags,
		      int AccsesFlags, myf MyFlags);
extern int my_close(File Filedes,myf MyFlags);
extern int my_mkdir(const char *dir, int Flags, myf MyFlags);
extern uint my_read(File Filedes,byte *Buffer,uint Count,myf MyFlags);
extern uint my_pread(File Filedes,byte *Buffer,uint Count,my_off_t offset,
		     myf MyFlags);
extern int my_rename(const char *from,const char *to,myf MyFlags);
extern my_off_t my_seek(File fd,my_off_t pos,int whence,myf MyFlags);
extern my_off_t my_tell(File fd,myf MyFlags);
extern uint my_write(File Filedes,const byte *Buffer,uint Count,
		     myf MyFlags);
extern uint my_pwrite(File Filedes,const byte *Buffer,uint Count,
		      my_off_t offset,myf MyFlags);
extern uint my_fread(FILE *stream,byte *Buffer,uint Count,myf MyFlags);
extern uint my_fwrite(FILE *stream,const byte *Buffer,uint Count,
		      myf MyFlags);
extern my_off_t my_fseek(FILE *stream,my_off_t pos,int whence,myf MyFlags);
extern my_off_t my_ftell(FILE *stream,myf MyFlags);
extern gptr _mymalloc(uint uSize,const char *sFile,
		      uint uLine, myf MyFlag);
extern gptr _myrealloc(gptr pPtr,uint uSize,const char *sFile,
		       uint uLine, myf MyFlag);
extern gptr my_multi_malloc _VARARGS((myf MyFlags, ...));
extern void _myfree(gptr pPtr,const char *sFile,uint uLine, myf MyFlag);
extern int _sanity(const char *sFile,unsigned int uLine);
extern gptr _my_memdup(const byte *from,uint length,
		       const char *sFile, uint uLine,myf MyFlag);
extern my_string _my_strdup(const char *from, const char *sFile, uint uLine,
			    myf MyFlag);
#ifndef TERMINATE
extern void TERMINATE(FILE *file);
#endif
extern void init_glob_errs(void);
extern FILE *my_fopen(const char *FileName,int Flags,myf MyFlags);
extern FILE *my_fdopen(File Filedes,int Flags,myf MyFlags);
extern int my_fclose(FILE *fd,myf MyFlags);
extern int my_chsize(File fd,my_off_t newlength,myf MyFlags);
extern int my_error _VARARGS((int nr,myf MyFlags, ...));
extern int my_printf_error _VARARGS((uint my_err, const char *format,
				     myf MyFlags, ...)
				    __attribute__ ((format (printf, 2, 4))));
extern int my_vsnprintf( char *str, size_t n,
                                const char *format, va_list ap );

extern int my_message(uint my_err, const char *str,myf MyFlags);
extern int my_message_no_curses(uint my_err, const char *str,myf MyFlags);
extern int my_message_curses(uint my_err, const char *str,myf MyFlags);
extern void my_init(void);
extern void my_end(int infoflag);
extern int my_redel(const char *from, const char *to, int MyFlags);
extern int my_copystat(const char *from, const char *to, int MyFlags);
extern my_string my_filename(File fd);

extern void dont_break(void);
extern void allow_break(void);
extern void my_remember_signal(int signal_number,sig_handler (*func)(int));
extern void caseup(my_string str,uint length);
extern void casedn(my_string str,uint length);
extern void caseup_str(my_string str);
extern void casedn_str(my_string str);
extern void case_sort(my_string str,uint length);
extern uint dirname_part(my_string to,const char *name);
extern uint dirname_length(const char *name);
#define base_name(A) (A+dirname_length(A))
extern int test_if_hard_path(const char *dir_name);
extern void convert_dirname(my_string name);
extern void to_unix_path(my_string name);
extern my_string fn_ext(const char *name);
extern my_string fn_same(my_string toname,const char *name,int flag);
extern my_string fn_format(my_string to,const char *name,const char *dsk,
			   const char *form,int flag);
extern size_s strlength(const char *str);
extern void pack_dirname(my_string to,const char *from);
extern uint unpack_dirname(my_string to,const char *from);
extern uint cleanup_dirname(my_string to,const char *from);
extern uint system_filename(my_string to,const char *from);
extern my_string unpack_filename(my_string to,const char *from);
extern my_string intern_filename(my_string to,const char *from);
extern my_string directory_file_name(my_string dst, const char *src);
extern int pack_filename(my_string to, const char *name, size_s max_length);
extern my_string my_path(my_string to,const char *progname,
			 const char *own_pathname_part);
extern my_string my_load_path(my_string to, const char *path,
			      const char *own_path_prefix);
extern int wild_compare(const char *str,const char *wildstr);
extern my_string my_strcasestr(const char *src,const char *suffix);
extern int my_strcasecmp(const char *s,const char *t);
extern int my_strsortcmp(const char *s,const char *t);
extern int my_casecmp(const char *s,const char *t,uint length);
extern int my_sortcmp(const char *s,const char *t,uint length);
extern int my_sortncmp(const char *s,uint s_len, const char *t,uint t_len);
extern WF_PACK *wf_comp(my_string str);
extern int wf_test(struct wild_file_pack *wf_pack,const char *name);
extern void wf_end(struct wild_file_pack *buffer);
extern size_s stripp_sp(my_string str);
extern void get_date(my_string to,int timeflag,time_t use_time);
extern void soundex(my_string out_pntr, my_string in_pntr,pbool remove_garbage);
extern int init_record_cache(RECORD_CACHE *info,uint cachesize,File file,
			     uint reclength,enum cache_type type,
			     pbool use_async_io);
extern int read_cache_record(RECORD_CACHE *info,byte *to);
extern int end_record_cache(RECORD_CACHE *info);
extern int write_cache_record(RECORD_CACHE *info,my_off_t filepos,
			      const byte *record,uint length);
extern int flush_write_cache(RECORD_CACHE *info);
extern long my_clock(void);
extern sig_handler sigtstp_handler(int signal_number);
extern void handle_recived_signals(void);
extern int init_key_cache(ulong use_mem,ulong leave_this_much_mem);
extern byte *key_cache_read(File file,my_off_t filepos,byte* buff,uint length,
			    uint block_length,int return_buffer);
extern int key_cache_write(File file,my_off_t filepos,byte* buff,uint length,
			   uint block_length,int force_write);
extern int flush_key_blocks(int file, enum flush_type type);
extern void end_key_cache(void);
extern sig_handler my_set_alarm_variable(int signo);
extern void my_string_ptr_sort(void *base,uint items,size_s size);
extern void radixsort_for_str_ptr(uchar* base[], uint number_of_elements,
				  size_s size_of_element,uchar *buffer[]);
extern qsort_t qsort2(void *base_ptr, size_t total_elems, size_t size,
		      qsort2_cmp cmp, void *cmp_argument);
extern qsort2_cmp get_ptr_compare(uint);
extern int init_io_cache(IO_CACHE *info,File file,uint cachesize,
			 enum cache_type type,my_off_t seek_offset,
			 pbool use_async_io, myf cache_myflags);
extern my_bool reinit_io_cache(IO_CACHE *info,enum cache_type type,
			       my_off_t seek_offset,pbool use_async_io,
			       pbool clear_cache);
extern int _my_b_read(IO_CACHE *info,byte *Buffer,uint Count);
extern int _my_b_net_read(IO_CACHE *info,byte *Buffer,uint Count);
extern int _my_b_get(IO_CACHE *info);
extern int _my_b_async_read(IO_CACHE *info,byte *Buffer,uint Count);
extern int _my_b_write(IO_CACHE *info,const byte *Buffer,uint Count);
extern int my_block_write(IO_CACHE *info, const byte *Buffer,
			  uint Count, my_off_t pos);
extern int flush_io_cache(IO_CACHE *info);
extern int end_io_cache(IO_CACHE *info);
extern my_bool open_cached_file(IO_CACHE *cache,const char *dir,
				 const char *prefix, uint cache_size,
				 myf cache_myflags);
extern my_bool real_open_cached_file(IO_CACHE *cache);
extern void close_cached_file(IO_CACHE *cache);
extern my_bool init_dynamic_array(DYNAMIC_ARRAY *array,uint element_size,
				  uint init_alloc,uint alloc_increment);
extern my_bool insert_dynamic(DYNAMIC_ARRAY *array,gptr element);
extern byte *alloc_dynamic(DYNAMIC_ARRAY *array);
extern byte *pop_dynamic(DYNAMIC_ARRAY*);
extern my_bool set_dynamic(DYNAMIC_ARRAY *array,gptr element,uint array_index);
extern void get_dynamic(DYNAMIC_ARRAY *array,gptr element,uint array_index);
extern void delete_dynamic(DYNAMIC_ARRAY *array);
extern void delete_dynamic_element(DYNAMIC_ARRAY *array, uint array_index);
extern void freeze_size(DYNAMIC_ARRAY *array);
#define dynamic_array_ptr(array,array_index) ((array)->buffer+(array_index)*(array)->size_of_element)
#define dynamic_element(array,array_index,type) ((type)((array)->buffer) +(array_index))
#define push_dynamic(A,B) insert_dynamic(A,B)

extern int find_type(my_string x,TYPELIB *typelib,uint full_name);
extern void make_type(my_string to,uint nr,TYPELIB *typelib);
extern const char *get_type(TYPELIB *typelib,uint nr);
extern my_bool init_dynamic_string(DYNAMIC_STRING *str, const char *init_str,
				   uint init_alloc,uint alloc_increment);
extern my_bool dynstr_append(DYNAMIC_STRING *str, const char *append);
extern my_bool dynstr_set(DYNAMIC_STRING *str, const char *init_str);
extern my_bool dynstr_realloc(DYNAMIC_STRING *str, ulong additional_size);
extern void dynstr_free(DYNAMIC_STRING *str);
void set_all_changeable_vars(CHANGEABLE_VAR *vars);
my_bool set_changeable_var(my_string str,CHANGEABLE_VAR *vars);
my_bool set_changeable_varval(const char *var, ulong val,
			      CHANGEABLE_VAR *vars);
#ifdef HAVE_MLOCK
extern byte *my_malloc_lock(uint length,myf flags);
extern void my_free_lock(byte *ptr,myf flags);
#else
#define my_malloc_lock(A,B) my_malloc((A),(B))
#define my_free_lock(A,B) my_free((A),(B))
#endif
#define alloc_root_inited(A) ((A)->min_malloc != 0)
void init_alloc_root(MEM_ROOT *mem_root, uint block_size, uint pre_alloc_size);
gptr alloc_root(MEM_ROOT *mem_root,unsigned int Size);
void free_root(MEM_ROOT *root, myf MyFLAGS);
char *strdup_root(MEM_ROOT *root,const char *str);
char *memdup_root(MEM_ROOT *root,const char *str,uint len);
void load_defaults(const char *conf_file, const char **groups,
		   int *argc, char ***argv);
void free_defaults(char **argv);
void print_defaults(const char *conf_file, const char **groups);
my_bool my_compress(byte *, ulong *, ulong *);
my_bool my_uncompress(byte *, ulong *, ulong *);
byte *my_compress_alloc(const byte *packet, ulong *len, ulong *complen);
ulong checksum(const byte *mem, uint count);

#if defined(_MSC_VER) && !defined(__WIN__)
extern void sleep(int sec);
#endif
#ifdef __WIN__
extern my_bool have_tcpip;		/* Is set if tcpip is used */
#endif

#ifdef	__cplusplus
}
#endif
#include "raid.h"
#endif /* _my_sys_h */