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#ifndef COMPAT_H
#define COMPAT_H
#if defined (HAVE_INTTYPES_H) && defined(__osf__)
# include <inttypes.h>
#endif
/* well, this is obviously wrong since it assumes it's 64bit, but older
GCCs don't define it and we really want it. */
#ifndef LLONG_MAX
# define LLONG_MAX 9223372036854775807LL
#endif
#ifndef __cplusplus
#ifdef HAVE__BOOL
typedef _Bool bool;
#else
typedef int bool;
#endif
#endif
#if defined (HAVE_UOFF_T)
/* native support */
#elif defined (UOFF_T_INT)
typedef unsigned int uoff_t;
#elif defined (UOFF_T_LONG)
typedef unsigned long uoff_t;
#elif defined (UOFF_T_LONG_LONG)
typedef unsigned long long uoff_t;
#else
# error uoff_t size not set
#endif
#ifndef HAVE_UINTMAX_T
# if SIZEOF_LONG_LONG > 0
typedef unsigned long long uintmax_t;
# else
typedef unsigned long uintmax_t;
# endif
#endif
#ifndef HAVE_UINT_FAST32_T
# if SIZEOF_INT >= 4
typedef unsigned int uint_fast32_t;
# else
typedef unsigned long uint_fast32_t;
# endif
#endif
#ifndef HAVE_SOCKLEN_T
typedef int socklen_t;
#endif
#ifndef PATH_MAX
# define PATH_MAX 4096 /* for Hurd - Dovecot v2.0 removes the need for this */
#endif
#ifdef HAVE_SYS_SYSMACROS_H
# include <sys/sysmacros.h>
# ifdef HAVE_SYS_MKDEV_H
# include <sys/mkdev.h> /* UnixWare */
# endif
# define CMP_DEV_T(a, b) (major(a) == major(b) && minor(a) == minor(b))
#elif !defined (DEV_T_STRUCT)
# define CMP_DEV_T(a, b) ((a) == (b))
#else
# error I do not know how to compare dev_t
#endif
#ifdef HAVE_STAT_XTIM
# define HAVE_ST_NSECS
# define ST_ATIME_NSEC(st) ((unsigned long)(st).st_atim.tv_nsec)
# define ST_MTIME_NSEC(st) ((unsigned long)(st).st_mtim.tv_nsec)
# define ST_CTIME_NSEC(st) ((unsigned long)(st).st_ctim.tv_nsec)
#elif defined (HAVE_STAT_XTIMESPEC)
# define HAVE_ST_NSECS
# define ST_ATIME_NSEC(st) ((unsigned long)(st).st_atimespec.tv_nsec)
# define ST_MTIME_NSEC(st) ((unsigned long)(st).st_mtimespec.tv_nsec)
# define ST_CTIME_NSEC(st) ((unsigned long)(st).st_ctimespec.tv_nsec)
#else
# define ST_ATIME_NSEC(st) 0UL
# define ST_MTIME_NSEC(st) 0UL
# define ST_CTIME_NSEC(st) 0UL
#endif
#ifdef HAVE_ST_NSECS
/* TRUE if a nanosecond timestamp from struct stat matches another nanosecond.
If nanoseconds aren't supported in struct stat, returns always TRUE (useful
with NFS if some hosts support nanoseconds and others don't). */
# define ST_NTIMES_EQUAL(ns1, ns2) ((ns1) == (ns2))
#else
# define ST_NTIMES_EQUAL(ns1, ns2) TRUE
#endif
#define CMP_ST_MTIME(st1, st2) \
((st1)->st_mtime == (st2)->st_mtime && \
ST_NTIMES_EQUAL(ST_MTIME_NSEC(*(st1)), ST_MTIME_NSEC(*(st2))))
#define CMP_ST_CTIME(st1, st2) \
((st1)->st_ctime == (st2)->st_ctime && \
ST_NTIMES_EQUAL(ST_CTIME_NSEC(*(st1)), ST_CTIME_NSEC(*(st2))))
/* strcasecmp(), strncasecmp() */
#ifndef HAVE_STRCASECMP
# ifdef HAVE_STRICMP
# define strcasecmp stricmp
# define strncasecmp strnicmp
# else
# define strcasecmp my_strcasecmp
# define strncasecmp my_strncasecmp
int my_strcasecmp(const char *s1, const char *s2);
int my_strncasecmp(const char *s1, const char *s2, size_t max_chars);
# endif
#endif
#ifndef HAVE_INET_ATON
# include <sys/socket.h>
# include <netinet/in.h>
# include <arpa/inet.h>
# define inet_aton my_inet_aton
int my_inet_aton(const char *cp, struct in_addr *inp);
#endif
#ifndef HAVE_VSYSLOG
# define vsyslog my_vsyslog
void my_vsyslog(int priority, const char *format, va_list args);
#endif
#ifndef HAVE_GETPAGESIZE
# define getpagesize my_getpagesize
int my_getpagesize(void);
#endif
#ifndef HAVE_FDATASYNC
# define fdatasync fsync
#endif
struct const_iovec {
const void *iov_base;
size_t iov_len;
};
#ifndef HAVE_STRUCT_IOVEC
struct iovec {
void *iov_base;
size_t iov_len;
};
#endif
/* IOV_MAX should be in limits.h nowadays. Linux still (2005) requires
defining _XOPEN_SOURCE to get that value. UIO_MAXIOV works with it though,
so use it instead. 16 is the lowest acceptable value for all OSes. */
#ifndef IOV_MAX
# include <sys/uio.h>
# ifdef UIO_MAXIOV
# define IOV_MAX UIO_MAXIOV
# else
# define IOV_MAX 16
# endif
#endif
#ifndef HAVE_WRITEV
# define writev my_writev
struct iovec;
ssize_t my_writev(int fd, const struct iovec *iov, int iov_len);
#endif
#if !defined(HAVE_PREAD) || defined(PREAD_WRAPPERS) || defined(PREAD_BROKEN)
# ifndef IN_COMPAT_C
# define pread my_pread
# define pwrite my_pwrite
# endif
ssize_t my_pread(int fd, void *buf, size_t count, off_t offset);
ssize_t my_pwrite(int fd, const void *buf, size_t count, off_t offset);
#endif
#ifndef HAVE_SETEUID
# define seteuid my_seteuid
int my_seteuid(uid_t euid);
#endif
#ifndef HAVE_SETEGID
# define setegid my_setegid
int my_setegid(gid_t egid);
#endif
#ifndef HAVE_LIBGEN_H
# define basename my_basename
char *my_basename(char *path);
#endif
#ifndef HAVE_STRTOULL
# define strtoull my_strtoull
unsigned long long int my_strtoull(const char *nptr, char **endptr, int base);
#endif
#ifndef HAVE_STRTOLL
# define strtoll my_strtoll
unsigned long long int my_strtoll(const char *nptr, char **endptr, int base);
#endif
#ifdef HAVE_OLD_VSNPRINTF
# include <stdio.h>
# define vsnprintf my_vsnprintf
int my_vsnprintf(char *str, size_t size, const char *format, va_list ap);
#endif
#ifndef HAVE_CLOCK_GETTIME
# include <time.h>
# undef CLOCK_REALTIME
# define CLOCK_REALTIME 1
# define clock_gettime my_clock_gettime
int my_clock_gettime(int clk_id, struct timespec *tp);
#endif
/* ctype.h isn't safe with signed chars,
use our own instead if really needed */
#define i_toupper(x) ((char) toupper((int) (unsigned char) (x)))
#define i_tolower(x) ((char) tolower((int) (unsigned char) (x)))
#define i_isalnum(x) isalnum((int) (unsigned char) (x))
#define i_isalpha(x) isalpha((int) (unsigned char) (x))
#define i_isascii(x) isascii((int) (unsigned char) (x))
#define i_isblank(x) isblank((int) (unsigned char) (x))
#define i_iscntrl(x) iscntrl((int) (unsigned char) (x))
#define i_isdigit(x) isdigit((int) (unsigned char) (x))
#define i_isgraph(x) isgraph((int) (unsigned char) (x))
#define i_islower(x) islower((int) (unsigned char) (x))
#define i_isprint(x) isprint((int) (unsigned char) (x))
#define i_ispunct(x) ispunct((int) (unsigned char) (x))
#define i_isspace(x) isspace((int) (unsigned char) (x))
#define i_isupper(x) isupper((int) (unsigned char) (x))
#define i_isxdigit(x) isxdigit((int) (unsigned char) (x))
#ifndef EOVERFLOW
# define EOVERFLOW EINVAL
#endif
#ifdef EDQUOT
# define ENOSPACE(errno) ((errno) == ENOSPC || (errno) == EDQUOT)
#else
# define ENOSPACE(errno) ((errno) == ENOSPC)
#endif
/* EPERM is returned sometimes if device doesn't support such modification */
#ifdef EROFS
# define ENOACCESS(errno) \
((errno) == EACCES || (errno) == EROFS || (errno) == EPERM)
#else
# define ENOACCESS(errno) ((errno) == EACCES || (errno) == EPERM)
#endif
#define ENOTFOUND(errno) \
((errno) == ENOENT || (errno) == ENOTDIR || (errno) == ELOOP)
#define ECANTLINK(errno) \
((errno) == EXDEV || (errno) == EMLINK || (errno) == EPERM)
/* EBUSY is given by some NFS implementations */
#define EDESTDIREXISTS(errno) \
((errno) == EEXIST || (errno) == ENOTEMPTY || (errno) == EBUSY)
#endif
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