macros to go along with the lib/replace/ portability layer code
Copyright (C) Andrew Tridgell 2005
- Copyright (C) Jelmer Vernooij 2006
+ Copyright (C) Jelmer Vernooij 2006-2008
Copyright (C) Jeremy Allison 2007.
** NOTE! The following LGPL license applies to the replace
#include <standards.h>
#endif
+/*
+ * Needs to be defined before std*.h and string*.h are included
+ * As it's also needed when Python.h is the first header we
+ * require a global -D__STDC_WANT_LIB_EXT1__=1
+ */
+#ifndef __STDC_WANT_LIB_EXT1__
+#error -D__STDC_WANT_LIB_EXT1__=1 required
+#endif
+
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <errno.h>
+#ifndef HAVE_DECL_EWOULDBLOCK
+#define EWOULDBLOCK EAGAIN
+#endif
+
#if defined(_MSC_VER) || defined(__MINGW32__)
#include "win32_replace.h"
#endif
-#ifdef HAVE_STDINT_H
+#ifdef HAVE_INTTYPES_H
+#define __STDC_FORMAT_MACROS
+#include <inttypes.h>
+#elif defined(HAVE_STDINT_H)
#include <stdint.h>
/* force off HAVE_INTTYPES_H so that roken doesn't try to include both,
which causes a warning storm on irix */
#undef HAVE_INTTYPES_H
-#elif HAVE_INTTYPES_H
-#define __STDC_FORMAT_MACROS
-#include <inttypes.h>
+#endif
+
+#ifdef HAVE_MALLOC_H
+#include <malloc.h>
#endif
#ifndef __PRI64_PREFIX
-# if __WORDSIZE == 64
+# if __WORDSIZE == 64 && ! defined __APPLE__
# define __PRI64_PREFIX "l"
# else
# define __PRI64_PREFIX "ll"
#ifndef PRIi8
# define PRIi8 "i"
#endif
-#ifndef PRIi8
+#ifndef PRIi16
# define PRIi16 "i"
#endif
-#ifndef PRIi8
+#ifndef PRIi32
# define PRIi32 "i"
#endif
-#ifndef PRIi8
+#ifndef PRIi64
# define PRIi64 __PRI64_PREFIX "i"
#endif
# define PRIu64 __PRI64_PREFIX "u"
#endif
+#ifndef SCNd8
+# define SCNd8 "hhd"
+#endif
+#ifndef SCNd16
+# define SCNd16 "hd"
+#endif
+#ifndef SCNd32
+# define SCNd32 "d"
+#endif
+#ifndef SCNd64
+# define SCNd64 __PRI64_PREFIX "d"
+#endif
+
+#ifndef SCNi8
+# define SCNi8 "hhi"
+#endif
+#ifndef SCNi16
+# define SCNi16 "hi"
+#endif
+#ifndef SCNi32
+# define SCNi32 "i"
+#endif
+#ifndef SCNi64
+# define SCNi64 __PRI64_PREFIX "i"
+#endif
+
+#ifndef SCNu8
+# define SCNu8 "hhu"
+#endif
+#ifndef SCNu16
+# define SCNu16 "hu"
+#endif
+#ifndef SCNu32
+# define SCNu32 "u"
+#endif
+#ifndef SCNu64
+# define SCNu64 __PRI64_PREFIX "u"
+#endif
+
+#ifdef HAVE_BSD_STRING_H
+#include <bsd/string.h>
+#endif
+
+#ifdef HAVE_BSD_UNISTD_H
+#include <bsd/unistd.h>
+#endif
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include <sys/types.h>
#endif
+#ifdef HAVE_SYS_SYSMACROS_H
+#include <sys/sysmacros.h>
+#endif
+
+#ifdef HAVE_SETPROCTITLE_H
+#include <setproctitle.h>
+#endif
+
#if STDC_HEADERS
#include <stdlib.h>
#include <stddef.h>
#endif
+#ifdef HAVE_LINUX_TYPES_H
+/*
+ * This is needed as some broken header files require this to be included early
+ */
+#include <linux/types.h>
+#endif
+
#ifndef HAVE_STRERROR
extern char *sys_errlist[];
#define strerror(i) sys_errlist[i]
void *rep_memmove(void *dest,const void *src,int size);
#endif
+#ifndef HAVE_MEMMEM
+#define memmem rep_memmem
+void *rep_memmem(const void *haystack, size_t haystacklen,
+ const void *needle, size_t needlelen);
+#endif
+
+#ifndef HAVE_MEMALIGN
+#define memalign rep_memalign
+void *rep_memalign(size_t boundary, size_t size);
+#endif
+
#ifndef HAVE_MKTIME
#define mktime rep_mktime
/* prototype is in "system/time.h" */
size_t rep_strlcat(char *d, const char *s, size_t bufsize);
#endif
+#ifndef HAVE_CLOSEFROM
+#define closefrom rep_closefrom
+int rep_closefrom(int lower);
+#endif
+
+
#if (defined(BROKEN_STRNDUP) || !defined(HAVE_STRNDUP))
#undef HAVE_STRNDUP
#define strndup rep_strndup
size_t rep_strnlen(const char *s, size_t n);
#endif
-#if !HAVE_DECL_ENVIRON
-#ifdef __APPLE__
-#include <crt_externs.h>
-#define environ (*_NSGetEnviron())
-#else
+#if !defined(HAVE_DECL_ENVIRON)
+# ifdef __APPLE__
+# include <crt_externs.h>
+# define environ (*_NSGetEnviron())
+# else /* __APPLE__ */
extern char **environ;
-#endif
-#endif
+# endif /* __APPLE */
+#endif /* !defined(HAVE_DECL_ENVIRON) */
#ifndef HAVE_SETENV
#define setenv rep_setenv
int rep_setegid(gid_t);
#endif
+#if (defined(USE_SETRESUID) && !defined(HAVE_SETRESUID_DECL))
+/* stupid glibc */
+int setresuid(uid_t ruid, uid_t euid, uid_t suid);
+#endif
+#if (defined(USE_SETRESUID) && !defined(HAVE_SETRESGID_DECL))
+int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
+#endif
+
#ifndef HAVE_CHOWN
#define chown rep_chown
int rep_chown(const char *path, uid_t uid, gid_t gid);
#endif
+#ifndef HAVE_CHROOT
+#define chroot rep_chroot
+int rep_chroot(const char *dirname);
+#endif
+
#ifndef HAVE_LINK
#define link rep_link
int rep_link(const char *oldpath, const char *newpath);
#endif
+#ifndef HAVE_READLINK
+#define readlink rep_readlink
+ssize_t rep_readlink(const char *path, char *buf, size_t bufsize);
+#endif
+
+#ifndef HAVE_SYMLINK
+#define symlink rep_symlink
+int rep_symlink(const char *oldpath, const char *newpath);
+#endif
+
+#ifndef HAVE_REALPATH
+#define realpath rep_realpath
+char *rep_realpath(const char *path, char *resolved_path);
+#endif
+
+#ifndef HAVE_LCHOWN
+#define lchown rep_lchown
+int rep_lchown(const char *fname,uid_t uid,gid_t gid);
+#endif
+
+#ifdef HAVE_UNIX_H
+#include <unix.h>
+#endif
+
#ifndef HAVE_SETLINEBUF
#define setlinebuf rep_setlinebuf
void rep_setlinebuf(FILE *);
char *rep_strcasestr(const char *haystack, const char *needle);
#endif
+#ifndef HAVE_STRSEP
+#define strsep rep_strsep
+char *rep_strsep(char **pps, const char *delim);
+#endif
+
#ifndef HAVE_STRTOK_R
#define strtok_r rep_strtok_r
char *rep_strtok_r(char *s, const char *delim, char **save_ptr);
#endif
+
+
#ifndef HAVE_STRTOLL
#define strtoll rep_strtoll
long long int rep_strtoll(const char *str, char **endptr, int base);
+#else
+#ifdef HAVE_BSD_STRTOLL
+#define strtoll rep_strtoll
+long long int rep_strtoll(const char *str, char **endptr, int base);
+#endif
#endif
#ifndef HAVE_STRTOULL
#define strtoull rep_strtoull
unsigned long long int rep_strtoull(const char *str, char **endptr, int base);
+#else
+#ifdef HAVE_BSD_STRTOLL /* yes, it's not HAVE_BSD_STRTOULL */
+#define strtoull rep_strtoull
+unsigned long long int rep_strtoull(const char *str, char **endptr, int base);
+#endif
#endif
#ifndef HAVE_FTRUNCATE
#endif
#ifndef PRINTF_ATTRIBUTE
-#if (__GNUC__ >= 3) && (__GNUC_MINOR__ >= 1 )
+#ifdef HAVE___ATTRIBUTE__
/** Use gcc attribute to check printf fns. a1 is the 1-based index of
* the parameter containing the format, and a2 the index of the first
* argument. Note that some gcc 2.x versions don't handle this
#endif
#ifndef _DEPRECATED_
-#if (__GNUC__ >= 3) && (__GNUC_MINOR__ >= 1 )
+#ifdef HAVE___ATTRIBUTE__
#define _DEPRECATED_ __attribute__ ((deprecated))
#else
#define _DEPRECATED_
#endif
#endif
-#ifndef HAVE_VASPRINTF
+#if !defined(HAVE_VDPRINTF) || !defined(HAVE_C99_VSNPRINTF)
+#define vdprintf rep_vdprintf
+int rep_vdprintf(int fd, const char *format, va_list ap) PRINTF_ATTRIBUTE(2,0);
+#endif
+
+#if !defined(HAVE_DPRINTF) || !defined(HAVE_C99_VSNPRINTF)
+#define dprintf rep_dprintf
+int rep_dprintf(int fd, const char *format, ...) PRINTF_ATTRIBUTE(2,3);
+#endif
+
+#if !defined(HAVE_VASPRINTF) || !defined(HAVE_C99_VSNPRINTF)
#define vasprintf rep_vasprintf
int rep_vasprintf(char **ptr, const char *format, va_list ap) PRINTF_ATTRIBUTE(2,0);
#endif
int rep_vsnprintf(char *,size_t ,const char *, va_list ap) PRINTF_ATTRIBUTE(3,0);
#endif
-#ifndef HAVE_ASPRINTF
+#if !defined(HAVE_ASPRINTF) || !defined(HAVE_C99_VSNPRINTF)
#define asprintf rep_asprintf
int rep_asprintf(char **,const char *, ...) PRINTF_ATTRIBUTE(2,3);
#endif
+#if !defined(HAVE_C99_VSNPRINTF)
+#ifdef REPLACE_BROKEN_PRINTF
+/*
+ * We do not redefine printf by default
+ * as it breaks the build if system headers
+ * use __attribute__((format(printf, 3, 0)))
+ * instead of __attribute__((format(__printf__, 3, 0)))
+ */
+#define printf rep_printf
+#endif
+int rep_printf(const char *, ...) PRINTF_ATTRIBUTE(1,2);
+#endif
+
+#if !defined(HAVE_C99_VSNPRINTF)
+#define fprintf rep_fprintf
+int rep_fprintf(FILE *stream, const char *, ...) PRINTF_ATTRIBUTE(2,3);
+#endif
+
#ifndef HAVE_VSYSLOG
#ifdef HAVE_SYSLOG
#define vsyslog rep_vsyslog
typedef int (*comparison_fn_t)(const void *, const void *);
#endif
-#ifdef REPLACE_STRPTIME
+#ifndef HAVE_WORKING_STRPTIME
#define strptime rep_strptime
struct tm;
char *rep_strptime(const char *buf, const char *format, struct tm *tm);
#endif
+#ifndef HAVE_DUP2
+#define dup2 rep_dup2
+int rep_dup2(int oldfd, int newfd);
+#endif
+
/* Load header file for dynamic linking stuff */
#ifdef HAVE_DLFCN_H
#include <dlfcn.h>
#ifndef HAVE_PREAD
#define pread rep_pread
ssize_t rep_pread(int __fd, void *__buf, size_t __nbytes, off_t __offset);
+#define LIBREPLACE_PREAD_REPLACED 1
+#else
+#define LIBREPLACE_PREAD_NOT_REPLACED 1
#endif
#ifndef HAVE_PWRITE
#define pwrite rep_pwrite
ssize_t rep_pwrite(int __fd, const void *__buf, size_t __nbytes, off_t __offset);
+#define LIBREPLACE_PWRITE_REPLACED 1
+#else
+#define LIBREPLACE_PWRITE_NOT_REPLACED 1
#endif
#if !defined(HAVE_INET_NTOA) || defined(REPLACE_INET_NTOA)
/* prototype is in "system/network.h" */
#endif
+#ifndef HAVE_GET_CURRENT_DIR_NAME
+#define get_current_dir_name rep_get_current_dir_name
+char *rep_get_current_dir_name(void);
+#endif
+
+#if (!defined(HAVE_STRERROR_R) || !defined(STRERROR_R_XSI_NOT_GNU))
+#define strerror_r rep_strerror_r
+int rep_strerror_r(int errnum, char *buf, size_t buflen);
+#endif
+
+#if !defined(HAVE_CLOCK_GETTIME)
+#define clock_gettime rep_clock_gettime
+#endif
+
#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif
? ~ (t) 0 << (sizeof (t) * CHAR_BIT - 1) : (t) 0))
#define _TYPE_MAXIMUM(t) ((t) (~ (t) 0 - _TYPE_MINIMUM (t)))
-#ifndef HOST_NAME_MAX
-#define HOST_NAME_MAX 255
-#endif
-
-/*
- * Some older systems seem not to have MAXHOSTNAMELEN
- * defined.
- */
-#ifndef MAXHOSTNAMELEN
-#define MAXHOSTNAMELEN HOST_NAME_MAX
-#endif
-
#ifndef UINT16_MAX
#define UINT16_MAX 65535
#endif
#define UINT64_MAX ((uint64_t)-1)
#endif
+#ifndef INT64_MAX
+#define INT64_MAX 9223372036854775807LL
+#endif
+
#ifndef CHAR_BIT
#define CHAR_BIT 8
#endif
#endif
#endif
+#if !defined(HAVE_INTPTR_T)
+typedef long long intptr_t ;
+#define __intptr_t_defined
+#endif
+
+#if !defined(HAVE_UINTPTR_T)
+typedef unsigned long long uintptr_t ;
+#define __uintptr_t_defined
+#endif
+
+#if !defined(HAVE_PTRDIFF_T)
+typedef unsigned long long ptrdiff_t ;
+#endif
+
/*
* to prevent <rpcsvc/yp_prot.h> from doing a redefine of 'bool'
*
#define __location__ __FILE__ ":" __LINESTR__
#endif
-/**
- * zero a structure
+/**
+ * Zero a structure.
*/
-#define ZERO_STRUCT(x) memset((char *)&(x), 0, sizeof(x))
+#define ZERO_STRUCT(x) memset_s((char *)&(x), sizeof(x), 0, sizeof(x))
-/**
- * zero a structure given a pointer to the structure
+/**
+ * Zero a structure given a pointer to the structure.
*/
-#define ZERO_STRUCTP(x) do { if ((x) != NULL) memset((char *)(x), 0, sizeof(*(x))); } while(0)
+#define ZERO_STRUCTP(x) do { \
+ if ((x) != NULL) { \
+ memset_s((char *)(x), sizeof(*(x)), 0, sizeof(*(x))); \
+ } \
+} while(0)
-/**
- * zero a structure given a pointer to the structure - no zero check
+/**
+ * Zero a structure given a pointer to the structure - no zero check
*/
-#define ZERO_STRUCTPN(x) memset((char *)(x), 0, sizeof(*(x)))
+#define ZERO_STRUCTPN(x) memset_s((char *)(x), sizeof(*(x)), 0, sizeof(*(x)))
-/* zero an array - note that sizeof(array) must work - ie. it must not be a
- pointer */
-#define ZERO_ARRAY(x) memset((char *)(x), 0, sizeof(x))
+/**
+ * Zero an array - note that sizeof(array) must work - ie. it must not be a
+ * pointer
+ */
+#define ZERO_ARRAY(x) memset_s((char *)(x), sizeof(x), 0, sizeof(x))
/**
- * work out how many elements there are in a static array
+ * Work out how many elements there are in a static array.
*/
#define ARRAY_SIZE(a) (sizeof(a)/sizeof(a[0]))
-/**
- * pointer difference macro
+/**
+ * Pointer difference macro
*/
#define PTR_DIFF(p1,p2) ((ptrdiff_t)(((const char *)(p1)) - (const char *)(p2)))
-#if MMAP_BLACKLIST
-#undef HAVE_MMAP
-#endif
-
#ifdef __COMPAR_FN_T
#define QSORT_CAST (__compar_fn_t)
#endif
#define PATH_MAX 1024
#endif
+#ifndef NAME_MAX
+#define NAME_MAX 255
+#endif
+
#ifndef MAX_DNS_NAME_LENGTH
#define MAX_DNS_NAME_LENGTH 256 /* Actually 255 but +1 for terminating null. */
#endif
#endif
#endif
+/* these macros gain us a few percent of speed on gcc */
+#if (__GNUC__ >= 3)
+/* the strange !! is to ensure that __builtin_expect() takes either 0 or 1
+ as its first argument */
+#ifndef likely
+#define likely(x) __builtin_expect(!!(x), 1)
+#endif
+#ifndef unlikely
+#define unlikely(x) __builtin_expect(!!(x), 0)
+#endif
+#else
+#ifndef likely
+#define likely(x) (x)
+#endif
+#ifndef unlikely
+#define unlikely(x) (x)
+#endif
+#endif
+
+#ifndef HAVE_FDATASYNC
+#define fdatasync(fd) fsync(fd)
+#elif !defined(HAVE_DECL_FDATASYNC)
+int fdatasync(int );
+#endif
+
+/* these are used to mark symbols as local to a shared lib, or
+ * publicly available via the shared lib API */
+#ifndef _PUBLIC_
+#ifdef HAVE_VISIBILITY_ATTR
+#define _PUBLIC_ __attribute__((visibility("default")))
+#else
+#define _PUBLIC_
+#endif
+#endif
+
+#ifndef _PRIVATE_
+#ifdef HAVE_VISIBILITY_ATTR
+# define _PRIVATE_ __attribute__((visibility("hidden")))
+#else
+# define _PRIVATE_
+#endif
+#endif
+
+#ifndef HAVE_POLL
+#define poll rep_poll
+/* prototype is in "system/network.h" */
+#endif
+
+#ifndef HAVE_GETPEEREID
+#define getpeereid rep_getpeereid
+int rep_getpeereid(int s, uid_t *uid, gid_t *gid);
+#endif
+
+#ifndef HAVE_USLEEP
+#define usleep rep_usleep
+typedef long useconds_t;
+int usleep(useconds_t);
+#endif
+
+#ifndef HAVE_SETPROCTITLE
+#define setproctitle rep_setproctitle
+void rep_setproctitle(const char *fmt, ...) PRINTF_ATTRIBUTE(1, 2);
+#endif
+
+#ifndef HAVE_SETPROCTITLE_INIT
+#define setproctitle_init rep_setproctitle_init
+void rep_setproctitle_init(int argc, char *argv[], char *envp[]);
+#endif
+
+#ifndef HAVE_MEMSET_S
+#define memset_s rep_memset_s
+int rep_memset_s(void *dest, size_t destsz, int ch, size_t count);
+#endif
+
+#ifndef HAVE_GETPROGNAME
+#define getprogname rep_getprogname
+const char *rep_getprogname(void);
+#endif
+
+#ifndef FALL_THROUGH
+# ifdef HAVE_FALLTHROUGH_ATTRIBUTE
+# define FALL_THROUGH __attribute__ ((fallthrough))
+# else /* HAVE_FALLTHROUGH_ATTRIBUTE */
+# define FALL_THROUGH ((void)0)
+# endif /* HAVE_FALLTHROUGH_ATTRIBUTE */
+#endif /* FALL_THROUGH */
+
+bool nss_wrapper_enabled(void);
+bool nss_wrapper_hosts_enabled(void);
+bool socket_wrapper_enabled(void);
+bool uid_wrapper_enabled(void);
+
+/* Needed for Solaris atomic_add_XX functions. */
+#if defined(HAVE_SYS_ATOMIC_H)
+#include <sys/atomic.h>
+#endif
+
#endif /* _LIBREPLACE_REPLACE_H */
git.samba.org / sfrench / samba-autobuild / .git / blobdiff