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Diffstat (limited to 'generic.h')
| -rw-r--r-- | generic.h | 377 |
1 files changed, 377 insertions, 0 deletions
diff --git a/generic.h b/generic.h new file mode 100644 index 0000000..b3dd5f5 --- /dev/null +++ b/generic.h @@ -0,0 +1,377 @@ +/* generic.h -- anything you don't #undef at the end remains in effect. + The ONLY things that go in here are generic indicator flags; it's up + to your programs to declare and call things based on those flags. + + You should only need to make changes via a minimal system-specific section + at the end of this file. To build a new section, rip through this and + check everything it mentions on your platform, and #undef that which needs + it. If you generate a system-specific section you didn't find in here, + please mail me a copy so I can update the "master". + + I realize I'm probably inventing another pseudo-standard here, but + goddamnit, everybody ELSE has already, and I can't include all of their + hairball schemes too. HAVE_xx conforms to the gnu/autoconf usage and + seems to be the most common format. In fact, I dug a lot of these out + of autoconf and tried to common them all together using "stupidh" to + collect data from platforms. + + In disgust... _H* 940910, 941115, 950511. Pseudo-version: 1.3 + + Updated 951104 with many patches from netcat feedback, and properly + closed a lot of slop in open-ended comments: version 1.4 + 960217 + nextstep: version 1.5 +*/ + +#ifndef GENERIC_H /* only run through this once */ +#define GENERIC_H + +/* =============================== */ +/* System calls, lib routines, etc */ +/* =============================== */ + +/* How does your system declare malloc, void or char? Usually void, but go + ask the SunOS people why they had to be different... */ +#define VOID_MALLOC + +/* notably from fwtk/firewall.h: posix locking? */ +#define HAVE_FLOCK /* otherwise it's lockf() */ + +/* if you don't have setsid(), you might have setpgrp(). */ +#define HAVE_SETSID + +/* random() is generally considered better than rand() */ +#define HAVE_RANDOM + +/* the srand48/lrand48/etc family is s'posedly even better */ +#define HAVE_RAND48 +/* bmc@telebase and others have suggested these macros if a box *does* have + rand48. Will consider for later if we're doing something that really + requires stronger random numbers, but netcat and such certainly doesn't. +#define srandom(seed) srand48((long) seed) +#define random() lrand48() */ + +/* if your machine doesn't have lstat(), it should have stat() [dos...] */ +#define HAVE_LSTAT + +/* different kinds of term ioctls. How to recognize them, very roughly: + sysv/POSIX_ME_HARDER: termio[s].h, struct termio[s], tty.c_*[] + bsd/old stuff: sgtty.h, ioctl(TIOCSETP), sgttyb.sg_*, tchars.t_* */ +#define HAVE_TERMIOS + +/* dbm vs ndbm */ +#define HAVE_NDBM + +/* extended utmp/wtmp stuff. MOST machines still do NOT have this SV-ism */ +#define UTMPX + +/* some systems have nice() which takes *relative* values... [resource.h] */ +#define HAVE_SETPRIORITY + +/* a sysvism, I think, but ... */ +#define HAVE_SYSINFO + +/* ============= */ +/* Include files */ +/* ============= */ + +/* Presence of these can be determined via a script that sniffs them + out if you aren't sure. See "stupidh"... */ + +/* stdlib comes with most modern compilers, but ya never know */ +#define HAVE_STDLIB_H + +/* not on a DOS box! */ +#define HAVE_UNISTD_H + +/* stdarg is a weird one */ +#define HAVE_STDARG_H + +/* dir.h or maybe ndir.h otherwise. */ +#define HAVE_DIRENT_H + +/* string or strings */ +#define HAVE_STRINGS_H + +/* if you don't have lastlog.h, what you want might be in login.h */ +#define HAVE_LASTLOG_H + +/* predefines for _PATH_various */ +#define HAVE_PATHS_H + +/* some SV-flavors break select stuff out separately */ +#define HAVE_SELECT_H + +/* assorted others */ +#define HAVE_PARAM_H /* in sys/ */ +#define HAVE_SYSMACROS_H /* in sys/ */ +#define HAVE_TTYENT_H /* securetty et al */ + +/* ==================== */ + +/* Still maybe have to do something about the following, if it's even + worth it. I just grepped a lot of these out of various code, without + looking them up yet: + +#define HAVE_EINPROGRESS +#define HAVE_F_SETOWN +HAVE_FILIO_H ... fionbio, fiosetown, etc... will need for hairier + select loops. +#define HAVE_SETENV ... now *there's* a hairy one; **environ is portable +#define BIG_ENDIAN/little_endian ... *please* try to avoid this stupidity + and LSBFIRST/MSBFIRST +#define HAVE_GETUSERSHELL ... you could always pull it out of getpwent() +#define HAVE_SETE[UG]ID ... lib or syscall, it varies on diff platforms +#define HAVE_STRCHR ... should actually be handled by string/strings +#define HAVE_PSTAT +#define HAVE_ST_BLKSIZE ... a stat() thing? +#define HAVE_IP_TOS +#define HAVE_STRFTIME ... screw this, we'll just INCLUDE one for lame + old boxes that don't have it [sunos 3.x, early 4.x?] +#define HAVE_VFPRINTF +#define HAVE_SHADOW_PASSWD ... in its multitudinous schemes?? ... how + about sumpin' like #define SHADOW_PASSWD_TYPE ... could get grody. + ... looks like sysv /etc/shadow, getspent() family is common. +#define SIG* ... what a swamp, punt for now; should all be in signal.h +#define HAVE_STRCSPN ... see larry wall's comment in the fwtk regex code +#define ULTRIX_AUTH ... bwahaha. +#define HAVE_YP or NIS or whatever you wanna call it this week +randomness about VARARGS?? +--- later stuff to be considered --- +#define UINT4 ... u-int on alpha/osf, i.e. __alpha/__osf__, ulong elsewhere? + dont name it that, though, it'll conflict with extant .h files like md5 +randomness about machine/endian.h, machine/inline.h -- bsdi, net/2 +randomness about _PATH_WTMP vs WTMP_FILE and where they even live!! +#define HAVE_SYS_ERRLIST ... whether it's in stdio.h or not [bsd 4.4] +--- still more stuff +#define HAVE_SETENV +#define _PATH_UTMP vs UTMP_FILE, a la deslogind?! +#define HAVE_DAEMON +#define HAVE_INETADDR [vixie bind?] +lseek: SEEK_SET vs L_SET and associated lossage [epi-notes, old 386Mach] +bsdi: ioctl_compat.h ? +--- takin' some ifdefs from CNS krb: +F_GETOWN/F_SETOWN +CRAY: long = 8 bytes, etc [class with alpha?] +CGETENT +SIGINFO +SIGTSTP SIGTTOU SIGWINCH +SPX? +SYSV_TERMIO -- covered elsewhere, I hope +TIOCEXT TIOCFLUSH TIOC[GS]WINSIZ +NEWINIT: something about init cleaning up dead login processes [telnet?] +PARENT_DOES_UTMP, too [telnet] +VDISCARD +VEOL/VEOL2/VLNEXT VREPRINT -- termios stuff?, and related... +STREAMSPTY/STREAMSPTYEM +AF_INET/AF_UNSPEC, PF_* +ECHOCTL/ECHOKE +F_ULOCK [?!] +setpgrp/getpgrp() ONEARG business.. +HAVE_ALLOCA +HAVE_GETUTENT +HAVE_SYS_SELECT_H [irix!] +HAVE_DIRENT [old 386mach has *direct.h*!] +HAVE_SIGSET +HAVE_VFORK_H and HAVE_VFORK +HAVE_VHANGUP +HAVE_VSPRINTF +HAVE_IPTOS_* +HAVE_STRCASECMP, STRNCASECMP +HAVE_SYS_FCNTL_H +HAVE_SYS_TIME_H +HAVE_UTIMES +NOTTYENT [?] +HAVE_FCHMOD +HAVE_GETUSERSHELL +HAVE_SIGCONTEXT [stack hair, very machine-specific] +YYLINENO? +POSIX_SIGNALS +POSIX_TERMIOS +SETPROCTITLE -- breaks some places, like fbsd sendmail +SIG* -- actual signal names? some are missing +SIOCGIFCONF +SO_BROADCAST +SHMEM [krb tickets] +VARARGS, or HAVE_VARARGS +CBAUD +... and B300, B9600, etc etc +HAVE_BZERO vs memset/memcpy +HAVE_SETVBUF +HAVE_STRDUP +HAVE_GETENV +HAVE_STRSAVE +HAVE_STBLKSIZE [stat?] +HAVE_STREAM_H -- in sys/, ref sendmail 8.7 for IP_SRCROUTE +FCHMOD +INITGROUPS -- most machines seem to *have* +SETREUID +SNPRINTF +SETPGRP semantics bsd vs. sys5 style + +There's also the issue about WHERE various .h files live, sys/ or otherwise. +There's a BIG swamp lurking where network code of any sort lives. +*/ + +/* ======================== */ +/* System-specific sections */ +/* ======================== */ + +/* By turning OFF various bits of the above, you can customize for + a given platform. Yes, we're ignoring the stock compiler predefines + and using our own plugged in via the Makefile. */ + +/* DOS boxes, with MSC; you may need to adapt to a different compiler. */ +/* looks like later ones *do* have dirent.h, for example */ +#ifdef MSDOS +#undef HAVE_FLOCK +#undef HAVE_RANDOM +#undef HAVE_LSTAT +#undef HAVE_TERMIOS +#undef UTMPX +#undef HAVE_SYSINFO +#undef HAVE_UNISTD_H +#undef HAVE_DIRENT_H /* unless you have the k00l little wrapper from L5!! */ +#undef HAVE_STRINGS_H +#undef HAVE_LASTLOG_H +#undef HAVE_PATHS_H +#undef HAVE_PARAM_H +#undef HAVE_SYSMACROS_H +#undef HAVE_SELECT_H +#undef HAVE_TTYENT_H +#endif /* MSDOS */ + +/* buglix 4.x; dunno about 3.x on down. should be bsd4.2 */ +#ifdef ULTRIX +#undef UTMPX +#undef HAVE_PATHS_H +#undef HAVE_SYSMACROS_H +#undef HAVE_SELECT_H +#endif /* buglix */ + +/* some of this might still be broken on older sunoses */ +#ifdef SUNOS +#undef VOID_MALLOC +#undef UTMPX +#undef HAVE_PATHS_H +#undef HAVE_SELECT_H +#endif /* sunos */ + +/* "contact your vendor for a fix" */ +#ifdef SOLARIS +/* has UTMPX */ +#undef HAVE_RANDOM +#undef HAVE_SETPRIORITY +#undef HAVE_STRINGS_H /* this is genuinely the case, go figure */ +#undef HAVE_PATHS_H +#undef HAVE_SELECT_H +#undef HAVE_TTYENT_H +#endif /* SOLARIS */ + +/* whatever aix variant MIT had at the time; 3.2.x?? */ +#ifdef AIX +#undef UTMPX +#undef HAVE_LASTLOG_H +#define HAVE_LOGIN_H /* "special", in the educational sense */ +#endif /* aix */ + +/* linux, which is trying as desperately as the gnu folks can to be + POSIXLY_CORRECT. I think I'm gonna hurl... */ +#ifdef LINUX +#undef UTMPX +#undef HAVE_SYSINFO +#undef HAVE_SELECT_H +#undef HAVE_TTYENT_H +#endif /* linux */ + +/* irix 5.x; may not be correct for earlier ones */ +#ifdef IRIX +/* wow, does irix really have everything?! */ +#endif /* irix */ + +/* osf on alphas */ +#ifdef OSF +#undef UTMPX +#undef HAVE_SELECT_H +#endif /* osf */ + +/* they's some FUCKED UP paths in this one! */ +#ifdef FREEBSD +#undef UTMPX +#undef HAVE_SYSINFO +#undef HAVE_LASTLOG_H +#undef HAVE_SYSMACROS_H +#undef HAVE_SELECT_H /* actually a lie, but only for kernel */ +#endif /* freebsd */ + +/* Originally from the sidewinder site, of all places, but subsequently + checked further under a more normal bsdi 2.0 */ +#ifdef BSDI +#undef UTMPX +#undef HAVE_LASTLOG_H +#undef HAVE_SYSMACROS_H +/* and their malloc.h was in sys/ ?! */ +#undef HAVE_SELECT_H +#endif /* bsdi */ + +/* netbsd/44lite, jives with amiga-netbsd from cactus */ +#ifdef NETBSD +#undef UTMPX +#undef HAVE_SYSINFO +#undef HAVE_LASTLOG_H +#undef HAVE_SELECT_H +#endif /* netbsd */ + +/* Hpux 9.0x, from BBN and various patches sent in */ +#ifdef HPUX +#undef HAVE_RANDOM /* but *does* have ?rand48 -- need to consider.. */ +#undef HAVE_UTMPX +#undef HAVE_LASTLOG_H /* has utmp/wtmp/btmp nonsense, and pututline() */ +#undef HAVE_PATHS_H +#undef HAVE_SELECT_H +#undef HAVE_TTYENT_H +#endif /* hockeypux */ + +/* Unixware [a loose definition of "unix", to be sure], 1.1.2 [at least] + from Brian Clapper. He wasn't sure about 2.0... */ +#ifdef UNIXWARE +/* has UTMPX */ +#undef HAVE_SETPRIORITY +/* NOTE: UnixWare does provide the BSD stuff, in "/usr/ucbinclude" (headers) + and "/usr/ucblib" (libraries). However, I've run into problems linking + stuff out of that version of the C library, when objects are also coming + out of the "regular" C library. My advice: Avoid the BSD compatibility + stuff wherever possible. Brian Clapper <bmc@telebase.com> */ +#undef HAVE_STRINGS_H +#undef HAVE_PATHS_H +#undef HAVE_TTYENT_H +#endif /* UNIXWARE */ + +/* A/UX 3.1.x from darieb@sandia.gov */ +#ifdef AUX +#undef HAVE_RANDOM +#undef HAVE_SELECT_H /* xxx: untested */ +#endif /* a/ux */ + +/* NeXTSTEP 3.2 motorola mudge@l0pht.com xxx should also work with + white hardware and Sparc/HPPA. Should work with 3.3 too as it's + 4.3 / 4.4 bsd wrapped around mach */ +#ifdef NEXT +#undef UTMPX +#undef HAVE_SELECT_X +#endif /* NeXTSTEP 3.2 motorola */ + +/* Make some "generic" assumptions if all else fails */ +#ifdef GENERIC +#undef HAVE_FLOCK +#if defined(SYSV) && (SYSV < 4) /* TW leftover: old SV doesnt have symlinks */ +#undef HAVE_LSTAT +#endif /* old SYSV */ +#undef HAVE_TERMIOS +#undef UTMPX +#undef HAVE_PATHS_H +#undef HAVE_SELECT_H +#endif /* generic */ + +/* ================ */ +#endif /* GENERIC_H */ + |