2 Unix SMB/CIFS implementation.
4 macros to go along with the lib/replace/ portability layer code
6 Copyright (C) Andrew Tridgell 2005
7 Copyright (C) Jelmer Vernooij 2006
8 Copyright (C) Jeremy Allison 2007.
10 ** NOTE! The following LGPL license applies to the replace
11 ** library. This does NOT imply that all of Samba is released
14 This library is free software; you can redistribute it and/or
15 modify it under the terms of the GNU Lesser General Public
16 License as published by the Free Software Foundation; either
17 version 3 of the License, or (at your option) any later version.
19 This library is distributed in the hope that it will be useful,
20 but WITHOUT ANY WARRANTY; without even the implied warranty of
21 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22 Lesser General Public License for more details.
24 You should have received a copy of the GNU Lesser General Public
25 License along with this library; if not, see <http://www.gnu.org/licenses/>.
28 #ifndef _LIBREPLACE_REPLACE_H
29 #define _LIBREPLACE_REPLACE_H
35 #ifdef HAVE_STANDARDS_H
36 #include <standards.h>
44 #if defined(_MSC_VER) || defined(__MINGW32__)
45 #include "win32_replace.h"
51 /* force off HAVE_INTTYPES_H so that roken doesn't try to include both,
52 which causes a warning storm on irix */
53 #undef HAVE_INTTYPES_H
55 #define __STDC_FORMAT_MACROS
59 #ifndef __PRI64_PREFIX
61 # define __PRI64_PREFIX "l"
63 # define __PRI64_PREFIX "ll"
67 /* Decimal notation. */
78 # define PRId64 __PRI64_PREFIX "d"
91 # define PRIi64 __PRI64_PREFIX "i"
104 # define PRIu64 __PRI64_PREFIX "u"
111 #ifdef HAVE_STRINGS_H
115 #ifdef HAVE_SYS_TYPES_H
116 #include <sys/types.h>
124 #ifndef HAVE_STRERROR
125 extern char *sys_errlist[];
126 #define strerror(i) sys_errlist[i]
129 #ifndef HAVE_ERRNO_DECL
134 #define strdup rep_strdup
135 char *rep_strdup(const char *s);
139 #define memmove rep_memmove
140 void *rep_memmove(void *dest,const void *src,int size);
144 #define mktime rep_mktime
145 /* prototype is in "system/time.h" */
149 #define timegm rep_timegm
150 /* prototype is in "system/time.h" */
154 #define utime rep_utime
155 /* prototype is in "system/time.h" */
159 #define utimes rep_utimes
160 /* prototype is in "system/time.h" */
164 #define strlcpy rep_strlcpy
165 size_t rep_strlcpy(char *d, const char *s, size_t bufsize);
169 #define strlcat rep_strlcat
170 size_t rep_strlcat(char *d, const char *s, size_t bufsize);
173 #if (defined(BROKEN_STRNDUP) || !defined(HAVE_STRNDUP))
175 #define strndup rep_strndup
176 char *rep_strndup(const char *s, size_t n);
179 #if (defined(BROKEN_STRNLEN) || !defined(HAVE_STRNLEN))
181 #define strnlen rep_strnlen
182 size_t rep_strnlen(const char *s, size_t n);
185 #if !HAVE_DECL_ENVIRON
187 #include <crt_externs.h>
188 #define environ (*_NSGetEnviron())
190 extern char **environ;
195 #define setenv rep_setenv
196 int rep_setenv(const char *name, const char *value, int overwrite);
198 #ifndef HAVE_SETENV_DECL
199 int setenv(const char *name, const char *value, int overwrite);
203 #ifndef HAVE_UNSETENV
204 #define unsetenv rep_unsetenv
205 int rep_unsetenv(const char *name);
209 #define seteuid rep_seteuid
210 int rep_seteuid(uid_t);
214 #define setegid rep_setegid
215 int rep_setegid(gid_t);
219 #define chown rep_chown
220 int rep_chown(const char *path, uid_t uid, gid_t gid);
224 #define link rep_link
225 int rep_link(const char *oldpath, const char *newpath);
228 #ifndef HAVE_READLINK
229 #define readlink rep_readlink
230 int rep_readlink(const char *path, char *buf, size_t bufsize);
234 #define symlink rep_symlink
235 int rep_symlink(const char *oldpath, const char *newpath);
239 #define lchown rep_lchown
240 int rep_lchown(const char *fname,uid_t uid,gid_t gid);
243 #ifndef HAVE_SETLINEBUF
244 #define setlinebuf rep_setlinebuf
245 void rep_setlinebuf(FILE *);
248 #ifndef HAVE_STRCASESTR
249 #define strcasestr rep_strcasestr
250 char *rep_strcasestr(const char *haystack, const char *needle);
253 #ifndef HAVE_STRTOK_R
254 #define strtok_r rep_strtok_r
255 char *rep_strtok_r(char *s, const char *delim, char **save_ptr);
259 #define strtoll rep_strtoll
260 long long int rep_strtoll(const char *str, char **endptr, int base);
263 #ifndef HAVE_STRTOULL
264 #define strtoull rep_strtoull
265 unsigned long long int rep_strtoull(const char *str, char **endptr, int base);
268 #ifndef HAVE_FTRUNCATE
269 #define ftruncate rep_ftruncate
270 int rep_ftruncate(int,off_t);
273 #ifndef HAVE_INITGROUPS
274 #define initgroups rep_initgroups
275 int rep_initgroups(char *name, gid_t id);
278 #if !defined(HAVE_BZERO) && defined(HAVE_MEMSET)
279 #define bzero(a,b) memset((a),'\0',(b))
283 #define dlerror rep_dlerror
284 char *rep_dlerror(void);
288 #define dlopen rep_dlopen
289 #ifdef DLOPEN_TAKES_UNSIGNED_FLAGS
290 void *rep_dlopen(const char *name, unsigned int flags);
292 void *rep_dlopen(const char *name, int flags);
297 #define dlsym rep_dlsym
298 void *rep_dlsym(void *handle, const char *symbol);
302 #define dlclose rep_dlclose
303 int rep_dlclose(void *handle);
306 #ifndef HAVE_SOCKETPAIR
307 #define socketpair rep_socketpair
308 /* prototype is in system/network.h */
311 #ifndef PRINTF_ATTRIBUTE
312 #if (__GNUC__ >= 3) && (__GNUC_MINOR__ >= 1 )
313 /** Use gcc attribute to check printf fns. a1 is the 1-based index of
314 * the parameter containing the format, and a2 the index of the first
315 * argument. Note that some gcc 2.x versions don't handle this
317 #define PRINTF_ATTRIBUTE(a1, a2) __attribute__ ((format (__printf__, a1, a2)))
319 #define PRINTF_ATTRIBUTE(a1, a2)
324 #if (__GNUC__ >= 3) && (__GNUC_MINOR__ >= 1 )
325 #define _DEPRECATED_ __attribute__ ((deprecated))
331 #ifndef HAVE_VASPRINTF
332 #define vasprintf rep_vasprintf
333 int rep_vasprintf(char **ptr, const char *format, va_list ap) PRINTF_ATTRIBUTE(2,0);
336 #if !defined(HAVE_SNPRINTF) || !defined(HAVE_C99_VSNPRINTF)
337 #define snprintf rep_snprintf
338 int rep_snprintf(char *,size_t ,const char *, ...) PRINTF_ATTRIBUTE(3,4);
341 #if !defined(HAVE_VSNPRINTF) || !defined(HAVE_C99_VSNPRINTF)
342 #define vsnprintf rep_vsnprintf
343 int rep_vsnprintf(char *,size_t ,const char *, va_list ap) PRINTF_ATTRIBUTE(3,0);
346 #ifndef HAVE_ASPRINTF
347 #define asprintf rep_asprintf
348 int rep_asprintf(char **,const char *, ...) PRINTF_ATTRIBUTE(2,3);
353 #define vsyslog rep_vsyslog
354 void rep_vsyslog (int facility_priority, const char *format, va_list arglist) PRINTF_ATTRIBUTE(2,0);
358 /* we used to use these fns, but now we have good replacements
359 for snprintf and vsnprintf */
360 #define slprintf snprintf
365 #ifdef HAVE___VA_COPY
366 #define va_copy(dest, src) __va_copy(dest, src)
368 #define va_copy(dest, src) (dest) = (src)
372 #ifndef HAVE_VOLATILE
376 #ifndef HAVE_COMPARISON_FN_T
377 typedef int (*comparison_fn_t)(const void *, const void *);
380 #ifdef REPLACE_STRPTIME
381 #define strptime rep_strptime
383 char *rep_strptime(const char *buf, const char *format, struct tm *tm);
386 /* Load header file for dynamic linking stuff */
398 #define RTLD_GLOBAL 0
401 #ifndef HAVE_SECURE_MKSTEMP
402 #define mkstemp(path) rep_mkstemp(path)
403 int rep_mkstemp(char *temp);
407 #define mkdtemp rep_mkdtemp
408 char *rep_mkdtemp(char *template);
412 #define pread rep_pread
413 ssize_t rep_pread(int __fd, void *__buf, size_t __nbytes, off_t __offset);
417 #define pwrite rep_pwrite
418 ssize_t rep_pwrite(int __fd, const void *__buf, size_t __nbytes, off_t __offset);
421 #if !defined(HAVE_INET_NTOA) || defined(REPLACE_INET_NTOA)
422 #define inet_ntoa rep_inet_ntoa
423 /* prototype is in "system/network.h" */
426 #ifndef HAVE_INET_PTON
427 #define inet_pton rep_inet_pton
428 /* prototype is in "system/network.h" */
431 #ifndef HAVE_INET_NTOP
432 #define inet_ntop rep_inet_ntop
433 /* prototype is in "system/network.h" */
436 #ifndef HAVE_INET_ATON
437 #define inet_aton rep_inet_aton
438 /* prototype is in "system/network.h" */
442 #define connect rep_connect
443 /* prototype is in "system/network.h" */
446 #ifndef HAVE_GETHOSTBYNAME
447 #define gethostbyname rep_gethostbyname
448 /* prototype is in "system/network.h" */
451 #ifndef HAVE_GETIFADDRS
452 #define getifaddrs rep_getifaddrs
453 /* prototype is in "system/network.h" */
456 #ifndef HAVE_FREEIFADDRS
457 #define freeifaddrs rep_freeifaddrs
458 /* prototype is in "system/network.h" */
465 #ifdef HAVE_SYS_PARAM_H
466 #include <sys/param.h>
469 /* The extra casts work around common compiler bugs. */
470 #define _TYPE_SIGNED(t) (! ((t) 0 < (t) -1))
471 /* The outer cast is needed to work around a bug in Cray C 5.0.3.0.
472 It is necessary at least when t == time_t. */
473 #define _TYPE_MINIMUM(t) ((t) (_TYPE_SIGNED (t) \
474 ? ~ (t) 0 << (sizeof (t) * CHAR_BIT - 1) : (t) 0))
475 #define _TYPE_MAXIMUM(t) ((t) (~ (t) 0 - _TYPE_MINIMUM (t)))
477 #ifndef HOST_NAME_MAX
478 #define HOST_NAME_MAX 255
482 * Some older systems seem not to have MAXHOSTNAMELEN
485 #ifndef MAXHOSTNAMELEN
486 #define MAXHOSTNAMELEN HOST_NAME_MAX
490 #define UINT16_MAX 65535
494 #define UINT32_MAX (4294967295U)
498 #define UINT64_MAX ((uint64_t)-1)
506 #define INT32_MAX _TYPE_MAXIMUM(int32_t)
509 #ifdef HAVE_STDBOOL_H
513 #if !defined(HAVE_BOOL)
522 * to prevent <rpcsvc/yp_prot.h> from doing a redefine of 'bool'
524 * IRIX, HPUX, MacOS 10 and Solaris need BOOL_DEFINED
525 * Tru64 needs _BOOL_EXISTS
526 * AIX needs _BOOL,_TRUE,_FALSE
538 #ifndef __bool_true_false_are_defined
539 #define __bool_true_false_are_defined
556 #ifndef HAVE_FUNCTION_MACRO
557 #ifdef HAVE_func_MACRO
558 #define __FUNCTION__ __func__
560 #define __FUNCTION__ ("")
566 #define MIN(a,b) ((a)<(b)?(a):(b))
570 #define MAX(a,b) ((a)>(b)?(a):(b))
573 #if !defined(HAVE_VOLATILE)
578 this is a warning hack. The idea is to use this everywhere that we
579 get the "discarding const" warning from gcc. That doesn't actually
580 fix the problem of course, but it means that when we do get to
581 cleaning them up we can do it by searching the code for
584 It also means that other error types aren't as swamped by the noise
585 of hundreds of const warnings, so we are more likely to notice when
588 Please only add more uses of this macro when you find it
589 _really_ hard to fix const warnings. Our aim is to eventually use
590 this function in only a very few places.
592 Also, please call this via the discard_const_p() macro interface, as that
593 makes the return type safe.
595 #define discard_const(ptr) ((void *)((uintptr_t)(ptr)))
597 /** Type-safe version of discard_const */
598 #define discard_const_p(type, ptr) ((type *)discard_const(ptr))
601 #define __STRING(x) #x
604 #ifndef __STRINGSTRING
605 #define __STRINGSTRING(x) __STRING(x)
609 #define __LINESTR__ __STRINGSTRING(__LINE__)
613 #define __location__ __FILE__ ":" __LINESTR__
619 #define ZERO_STRUCT(x) memset((char *)&(x), 0, sizeof(x))
622 * zero a structure given a pointer to the structure
624 #define ZERO_STRUCTP(x) do { if ((x) != NULL) memset((char *)(x), 0, sizeof(*(x))); } while(0)
627 * zero a structure given a pointer to the structure - no zero check
629 #define ZERO_STRUCTPN(x) memset((char *)(x), 0, sizeof(*(x)))
631 /* zero an array - note that sizeof(array) must work - ie. it must not be a
633 #define ZERO_ARRAY(x) memset((char *)(x), 0, sizeof(x))
636 * work out how many elements there are in a static array
638 #define ARRAY_SIZE(a) (sizeof(a)/sizeof(a[0]))
641 * pointer difference macro
643 #define PTR_DIFF(p1,p2) ((ptrdiff_t)(((const char *)(p1)) - (const char *)(p2)))
650 #define QSORT_CAST (__compar_fn_t)
654 #define QSORT_CAST (int (*)(const void *, const void *))
658 #define PATH_MAX 1024
661 #ifndef MAX_DNS_NAME_LENGTH
662 #define MAX_DNS_NAME_LENGTH 256 /* Actually 255 but +1 for terminating null. */
666 char *ufc_crypt(const char *key, const char *salt);
667 #define crypt ufc_crypt
674 #endif /* _LIBREPLACE_REPLACE_H */