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version.h
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/* version.h -- Cygwin version numbers and accompanying documentation.
Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 Red Hat, Inc.
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
/* Cygwin versioning is relatively complicated because of its status
as a shared library. Let's start with how versioning used to be done.
Historical versioning in Cygwin 16.0 to 19.5:
In the olden days of Cygwin, we had a dll major and minor version
and a registry version. The major number started at 16 because the
"b15" GNU-Win32 release of the compiler tools was out when this
scheme was started. We incremented the DLL name frequently (for
every official release) and towards the end of this period every
release used a different shared memory area to prevent DLLs from
interfering with each other (embedding a build timestamp into the
name of the shared memory area). This turned out to be a Bad Idea
(tm) because people needed to mingle separate releases and have
them work together more than we thought they would. This was
especially problematic when tty info needed to be retained when an
old Cygwin executable executed a newer one.
In the old scheme, we incremented the major number whenever a
change to the dll invalidated existing executables. This can
happen for a number of reasons, including when functions are
removed from the export list of the dll. The minor number was
incremented when a change was made that we wanted to record, but
that didn't invalidate existing executables. Both numbers were
recorded in the executable and in the dll.
In October 1998 (starting with Cygwin 19.6), we started a new method
of Cygwin versioning: */
/* The DLL major and minor numbers correspond to the "version of
the Cygwin shared library". This version is used to track important
changes to the DLL and is mainly informative in nature. */
#define CYGWIN_VERSION_DLL_MAJOR 1005
#define CYGWIN_VERSION_DLL_MINOR 7
/* Major numbers before CYGWIN_VERSION_DLL_EPOCH are
incompatible. */
#define CYGWIN_VERSION_DLL_EPOCH 19
/* CYGWIN_VERSION_DLL_COMBINED gives us a single number
representing the combined DLL major and minor numbers. */
/* WATCH OUT FOR OCTAL! Don't use, say, "00020" for 0.20 */
#define CYGWIN_VERSION_DLL_MAKE_COMBINED(maj, min) (((maj) * 1000) + min)
#define CYGWIN_VERSION_DLL_COMBINED \
CYGWIN_VERSION_DLL_MAKE_COMBINED (CYGWIN_VERSION_DLL_MAJOR, CYGWIN_VERSION_DLL_MINOR)
/* Every version of cygwin <= this uses an old, incorrect method
to determine signal masks. */
#define CYGWIN_VERSION_DLL_BAD_SIGNAL_MASK 19005
/* API versions <= this had a termios structure whose members were
too small to accomodate modern settings. */
#define CYGWIN_VERSION_DLL_OLD_TERMIOS 5
#define CYGWIN_VERSION_DLL_IS_OLD_TERMIOS \
(CYGWIN_VERSION_DLL_MAKE_COMBINED (user_data->api_major, user_data->api_minor) <= \
CYGWIN_VERSION_DLL_OLD_TERMIOS)
#define CYGWIN_VERSION_DLL_MALLOC_ENV 28
/* Old APIs had getc/putc macros that conflict with new CR/LF
handling in the stdio buffers */
#define CYGWIN_VERSION_OLD_STDIO_CRLF_HANDLING \
(CYGWIN_VERSION_DLL_MAKE_COMBINED (user_data->api_major, user_data->api_minor) <= \
20)
#define CYGWIN_VERSION_CHECK_FOR_S_IEXEC \
(CYGWIN_VERSION_DLL_MAKE_COMBINED (user_data->api_major, user_data->api_minor) >= \
36)
#define CYGWIN_VERSION_CHECK_FOR_OLD_O_NONBLOCK \
(CYGWIN_VERSION_DLL_MAKE_COMBINED (user_data->api_major, user_data->api_minor) <= \
28)
#define CYGWIN_VERSION_CHECK_FOR_USING_BIG_TYPES \
(CYGWIN_VERSION_DLL_MAKE_COMBINED (user_data->api_major, user_data->api_minor) >= \
79)
/* We used to use the DLL major/minor to track
non-backward-compatible interface changes to the API. Now we
use an API major/minor number for this purpose. */
/* API_MAJOR 0.0: Initial version. API_MINOR changes:
1: Export cygwin32_ calls as cygwin_ as well.
2: Export j1, jn, y1, yn.
3: Export dll_noncygwin_dllcrt0.
4: New socket ioctls, revamped ifconf support.
5: Thread support/exports.
6: Change in termios handling.
7: Export scandir and alphasort.
8: Export _ctype_, _sys_errlist, _sys_nerr.
9: Mount-related changes, new cygwin_umount export.
Raw device support (tape, floppies).
10: Fast math routine support added.
11: Export seekdir, telldir.
12: Export pthread_join, pthread_detach.
13: Export math funcs gamma and friends, also _j0, _j1, etc.
14: Export snprintf and vnsprintf.
15: Export glob
16: Export cygwin_stackdump
17: Export fast math stuff
18: Stop exporting _strace_wm
19: Export fchown, lchown, lacl
20: regsub, inet_network
21: incompatible change to stdio cr/lf and buffering
22: Export cygwin_logon_user, cygwin_set_impersonation_token.
geteuid, getegid return effective uid/gid.
getuid, getgid return real uid/gid.
seteuid, setegid set only effective uid/gid.
setuid, setgid set effective and real uid/gid.
23: Export new dll_crt0 interface and cygwin_user_data for use
with crt0 startup code.
24: Export poll and _poll.
25: Export getmode and _getmode.
26: CW_GET_CYGDRIVE_PREFIXES addition to external.cc
27: CW_GETPINFO_FULL addition to external.cc
28: Accidentally bumped by cgf
29: Export hstrerror
30: CW_GET_CYGDRIVE_INFO addition to external.cc
31: Export inet_aton
32: Export getrlimit/setrlimit
33: Export setlogmask
34: Separated out mount table
35: Export drand48, erand48, jrand48, lcong48, lrand48,
mrand48, nrand48, seed48, and srand48.
36: Added _cygwin_S_IEXEC, et al
37: [f]pathconv support _PC_POSIX_PERMISSIONS and _PC_POSIX_SECURITY
38: vscanf, vscanf_r, and random pthread functions
39: asctime_r, ctime_r, gmtime_r, localtime_r
40: fchdir
41: __signgam
42: sys_errlist, sys_nerr
43: sigsetjmp, siglongjmp fixed
44: Export dirfd
45: perprocess change, gamma_r, gammaf_r, lgamma_r, lgammaf_r
46: Remove cygwin_getshared
47: Report EOTWarningZoneSize in struct mtget.
48: Export "posix" regex functions
49: Export setutent, endutent, utmpname, getutent, getutid, getutline.
50: Export fnmatch.
51: Export recvmsg, sendmsg.
52: Export strptime
53: Export strlcat, strlcpy.
54: Export __fpclassifyd, __fpclassifyf, __signbitd, __signbitf.
55: Export fcloseall, fcloseall_r.
56: Make ntsec on by default.
57: Export setgroups.
58: Export memalign, valloc, malloc_trim, malloc_usable_size, mallopt,
malloc_stats
59: getsid
60: MSG_NOSIGNAL
61: Export getc_unlocked, getchar_unlocked, putc_unlocked,
putchar_unlocked
62: Erroneously bumped
63: Export pututline
64: Export fseeko, ftello
65: Export siginterrupt
66: Export nl_langinfo
67: Export pthread_getsequence_np
68: Export netdb stuff
69: Export strtof
70: Export asprintf, _asprintf_r, vasprintf, _vasprintf_r
71: Export strerror_r
72: Export nanosleep
73: Export setreuid32, setreuid, setregid32, setregid
74: Export _strtold a64l hcreate hcreate_r hdestroy hdestroy_r hsearch
hsearch_r isblank iswalnum iswalpha iswblank iswcntrl iswctype
iswdigit iswgraph iswlower iswprint iswpunct iswspace iswupper
iswxdigit l64a mbrlen mbrtowc mbsinit mbsrtowcs mempcpy
on_exit setbuffer setlinebuf strndup strnlen tdelete tdestroy
tfind towctrans towlower towupper tsearch twalk wcrtomb wcscat
wcschr wcscpy wcscspn wcslcat wcslcpy wcsncat wcsncmp wcsncpy
wcspbrk wcsrchr wcsrtombs wcsspn wcsstr wctob wctob wctrans
wctype wmemchr wmemcmp wmemcpy wmemmove wmemset
75: Export exp2 exp2f fdim fdimf fma fmaf fmax fmaxf fmin fminf lrint
lrintf lround lroundf nearbyint nearbyintf remquo remquof
round roundf scalbln scalblnf sincos sincosf tgamma tgammaf
truncf
76: mallinfo
77: thread-safe exit/at_exit
78: Use stat and fstat rather than _stat, and _fstat.
Export btowc and trunc.
79: Export acl32 aclcheck32 aclfrommode32 aclfrompbits32 aclfromtext32
aclsort32 acltomode32 acltopbits32 acltotext32 facl32
fgetpos64 fopen64 freopen64 fseeko64 fsetpos64 ftello64
_open64 _lseek64 _fstat64 _stat64 mknod32
80: Export pthread_rwlock stuff
81: CW_CHECK_NTSEC addition to external.cc
82: Export wcscoll wcswidth wcwidth
83: Export gethostid
84: Pty open allocates invisible console. 64 bit interface
85: Export new 32/64 functions from API 0.79 only with leading
underscore. No problems with backward compatibility since no
official release has been made so far. This change removes
exported symbols like fopen64, which might confuse configure.
86: Export ftok
87: Export vsyslog
88: Export _getreent
89: Export __mempcpy
90: Export _fopen64
91: Export argz_add argz_add_sep argz_append argz_count argz_create
argz_create_sep argz_delete argz_extract argz_insert
argz_next argz_replace argz_stringify envz_add envz_entry
envz_get envz_merge envz_remove envz_strip
92: Export getusershell, setusershell, endusershell
93: Export daemon, forkpty, openpty, iruserok, ruserok, login_tty,
openpty, forkpty, revoke, logwtmp, updwtmp
94: Export getopt, getopt_long, optarg, opterr, optind, optopt,
optreset, __check_rhosts_file, __rcmd_errstr.
95: Export shmat, shmctl, shmdt, shmget.
96: CW_GET_ERRNO_FROM_WINERROR addition to external.cc
97: Export sem_open, sem_close, sem_timedwait, sem_getvalue.
98: Export _tmpfile64.
99: CW_GET_POSIX_SECURITY_ATTRIBUTE addition to external.cc.
100: CW_GET_SHMLBA addition to external.cc.
101: Export err, errx, verr, verrx, warn, warnx, vwarn, vwarnx.
102: CW_GET_UID_FROM_SID and CW_GET_GID_FROM_SID addition to external.cc.
103: Export getprogname, setprogname.
104: Export msgctl, msgget, msgrcv, msgsnd, semctl, semget, semop.
105: Export sigwait.
106: Export flock.
107: Export fcntl64.
108: Remove unused (hopefully) reent_data export.
109: Oh well. Someone uses reent_data.
*/
/* Note that we forgot to bump the api for ualarm, strtoll, strtoull */
#define CYGWIN_VERSION_API_MAJOR 0
#define CYGWIN_VERSION_API_MINOR 109
/* There is also a compatibity version number associated with the
shared memory regions. It is incremented when incompatible
changes are made to the shared memory region *or* to any named
shared mutexes, semaphores, etc. The arbitrary starting
version was 0 (cygwin release 98r2). */
#define CYGWIN_VERSION_SHARED_DATA 3
/* An identifier used in the names used to create shared objects.
The full names include the CYGWIN_VERSION_SHARED_DATA version
as well as this identifier. */
#define CYGWIN_VERSION_DLL_IDENTIFIER "cygwin1"
/* The Cygwin mount table interface in the Win32 registry also
has a version number associated with it in case that is
changed in a non-backwards compatible fashion. Increment this
version number whenever incompatible changes in mount table
registry usage are made.
1: Original number version.
2: New mount registry layout, system-wide mount accessibility.
*/
#define CYGWIN_VERSION_MOUNT_REGISTRY 2
/* Identifiers used in the Win32 registry. */
#define CYGWIN_INFO_CYGNUS_REGISTRY_NAME "Cygnus Solutions"
#define CYGWIN_INFO_CYGWIN_REGISTRY_NAME "Cygwin"
#define CYGWIN_INFO_PROGRAM_OPTIONS_NAME "Program Options"
#define CYGWIN_INFO_CYGWIN_MOUNT_REGISTRY_NAME "mounts v2"
#define CYGWIN_INFO_CYGDRIVE_FLAGS "cygdrive flags"
#define CYGWIN_INFO_CYGDRIVE_PREFIX "cygdrive prefix"
#define CYGWIN_INFO_CYGDRIVE_DEFAULT_PREFIX "/cygdrive"
/* In addition to the above version number strings, the build
process adds some strings that may be useful in
debugging/identifying a particular Cygwin DLL:
The mkvers.sh script at the top level produces a .cc file
which initializes a cygwin_version structure based on the
above version information and creates a string table for
grepping via "fgrep '%%%' cygwinwhatever.dll" if you are
using GNU grep. Otherwise you may want to do a
"strings cygwinwhatever.dll | fgrep '%%%'" instead.
This will produce output such as:
%%% Cygwin dll_identifier: cygwin
%%% Cygwin api_major: 0
%%% Cygwin api_minor: 0
%%% Cygwin dll_major: 19
%%% Cygwin dll_minor: 6
%%% Cygwin shared_data: 1
%%% Cygwin registry: b15
%%% Cygwin build date: Wed Oct 14 16:26:51 EDT 1998
%%% Cygwin shared id: cygwinS1
This information can also be obtained through a call to
cygwin_internal (CW_GETVERSIONINFO).
*/
#define CYGWIN_VERSION_MAGIC(a, b) ((unsigned) ((((unsigned short) a) << 16) | (unsigned short) b))
#define CYGWIN_VERSION_MAGIC_VERSION(a) ((unsigned) ((unsigned)a & 0xffff))