2 Unix SMB/CIFS implementation.
3 SMB parameters and setup
4 Copyright (C) Andrew Tridgell 1992-1999
5 Copyright (C) John H Terpstra 1996-1999
6 Copyright (C) Luke Kenneth Casson Leighton 1996-1999
7 Copyright (C) Paul Ashton 1998 - 1999
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
28 #define BOOLSTR(b) ((b) ? "Yes" : "No")
29 #define BITSETB(ptr,bit) ((((char *)ptr)[0] & (1<<(bit)))!=0)
30 #define BITSETW(ptr,bit) ((SVAL(ptr,0) & (1<<(bit)))!=0)
32 /* for readability... */
33 #define IS_DOS_READONLY(test_mode) (((test_mode) & aRONLY) != 0)
34 #define IS_DOS_DIR(test_mode) (((test_mode) & aDIR) != 0)
35 #define IS_DOS_ARCHIVE(test_mode) (((test_mode) & aARCH) != 0)
36 #define IS_DOS_SYSTEM(test_mode) (((test_mode) & aSYSTEM) != 0)
37 #define IS_DOS_HIDDEN(test_mode) (((test_mode) & aHIDDEN) != 0)
39 #ifndef SAFE_FREE /* Oh no this is also defined in tdb.h */
42 * Free memory if the pointer and zero the pointer.
44 * @note You are explicitly allowed to pass NULL pointers -- they will
47 #define SAFE_FREE(x) do { if ((x) != NULL) {free(x); (x)=NULL;} } while(0)
50 /* zero a structure */
51 #define ZERO_STRUCT(x) memset((char *)&(x), 0, sizeof(x))
53 /* zero a structure given a pointer to the structure */
54 #define ZERO_STRUCTP(x) do { if ((x) != NULL) memset((char *)(x), 0, sizeof(*(x))); } while(0)
56 /* zero a structure given a pointer to the structure - no zero check */
57 #define ZERO_STRUCTPN(x) memset((char *)(x), 0, sizeof(*(x)))
59 /* zero an array - note that sizeof(array) must work - ie. it must not be a
61 #define ZERO_ARRAY(x) memset((char *)(x), 0, sizeof(x))
63 /* pointer difference macro */
64 #define PTR_DIFF(p1,p2) ((ptrdiff_t)(((const char *)(p1)) - (const char *)(p2)))
66 /* work out how many elements there are in a static array */
67 #define ARRAY_SIZE(a) (sizeof(a)/sizeof(a[0]))
70 #define SMB_ASSERT(b) do { if (!(b)) { \
71 DEBUG(0,("PANIC: assert failed at %s(%d)\n", __FILE__, __LINE__)); \
72 smb_panic("assert failed"); }} while (0)
74 #define SMB_ASSERT_ARRAY(a,n) SMB_ASSERT((sizeof(a)/sizeof((a)[0])) >= (n))
76 /* the service number for the [globals] defaults */
77 #define GLOBAL_SECTION_SNUM (-1)
78 /* translates a connection number into a service number */
79 #define SNUM(conn) ((conn)?(conn)->service:GLOBAL_SECTION_SNUM)
82 /* access various service details */
83 #define SERVICE(snum) (lp_servicename(snum))
84 #define PRINTERNAME_NOTUSED(snum) (lp_printername(snum))
85 #define CAN_WRITE(conn) (!conn->read_only)
86 #define VALID_SNUM(snum) (lp_snum_ok(snum))
87 #define GUEST_OK(snum) (VALID_SNUM(snum) && lp_guest_ok(snum))
90 * Used by the stat cache code to check if a returned
91 * stat structure is valid.
94 #define VALID_STAT(st) ((st).st_nlink != 0)
95 #define VALID_STAT_OF_DIR(st) (VALID_STAT(st) && S_ISDIR((st).st_mode))
98 #define MIN(a,b) ((a)<(b)?(a):(b))
101 #define MAX(a,b) ((a)>(b)?(a):(b))
105 #define ABS(a) ((a)>0?(a):(-(a)))
108 /* these are the datagram types */
109 #define DGRAM_DIRECT_UNIQUE 0x10
112 /* REWRITE TODO: remove these smb_xxx macros */
113 #define smb_buf(buf) (((char *)(buf)) + MIN_SMB_SIZE + CVAL(buf,HDR_WCT+4)*2)
115 #define smb_len(buf) (PVAL(buf,3)|(PVAL(buf,2)<<8)|(PVAL(buf,1)<<16))
116 #define _smb_setlen(buf,len) do {(buf)[0] = 0; (buf)[1] = ((len)&0x10000)>>16; \
117 (buf)[2] = ((len)&0xFF00)>>8; (buf)[3] = (len)&0xFF;} while (0)
119 /*******************************************************************
120 find the difference in milliseconds between two struct timeval
122 ********************************************************************/
124 #define TvalDiff(tvalold,tvalnew) \
125 (((tvalnew)->tv_sec - (tvalold)->tv_sec)*1000 + \
126 ((int)(tvalnew)->tv_usec - (int)(tvalold)->tv_usec)/1000)
128 /****************************************************************************
129 true if two IP addresses are equal
130 ****************************************************************************/
132 #define ip_equal(ip1,ip2) ((ip1).s_addr == (ip2).s_addr)
134 /*****************************************************************
135 splits out the last subkey of a key
136 *****************************************************************/
138 #define reg_get_subkey(full_keyname, key_name, subkey_name) \
139 split_at_last_component(full_keyname, key_name, '\\', subkey_name)
141 /****************************************************************************
143 ****************************************************************************/
145 #define DPTR_MASK ((uint32_t)(((uint32_t)1)<<31))
147 /****************************************************************************
148 Return True if the offset is at zero.
149 ****************************************************************************/
151 #define dptr_zero(buf) ((IVAL(buf,1)&~DPTR_MASK) == 0)
153 /*******************************************************************
154 copy an IP address from one buffer to another
155 ********************************************************************/
157 #define putip(dest,src) memcpy(dest,src,4)
159 /*******************************************************************
160 Return True if a server has CIFS UNIX capabilities.
161 ********************************************************************/
163 #define SERVER_HAS_UNIX_CIFS(c) (cli_state_has_unix_cifs(c))
165 /****************************************************************************
166 Make a filename into unix format.
167 ****************************************************************************/
169 #define unix_format(fname) string_replace(fname,'\\','/')
170 #define unix_format_w(fname) string_replace_w(fname, UCS2_CHAR('\\'), UCS2_CHAR('/'))
172 /****************************************************************************
173 Make a file into DOS format.
174 ****************************************************************************/
176 #define dos_format(fname) string_replace(fname,'/','\\')
178 #endif /* _SMB_MACROS_H */