*
* VMS-specific C header file for perl5.
*
- * Last revised: 12-Dec-1994 by Charles Bailey bailey@genetics.upenn.edu
+ * Last revised: 16-Sep-1998 by Charles Bailey bailey@newman.upenn.edu
+ * Version: 5.5.2
*/
#ifndef __vmsish_h_included
#include <libdef.h> /* status codes for various places */
#include <rmsdef.h> /* at which errno and vaxc$errno are */
#include <ssdef.h> /* explicitly set in the perl source code */
+#include <stsdef.h> /* bitmasks for exit status testing */
+
+/* Suppress compiler warnings from DECC for VMS-specific extensions:
+ * ADDRCONSTEXT,NEEDCONSTEXT: initialization of data with non-constant values
+ * (e.g. pointer fields of descriptors)
+ */
+#if defined(__DECC) || defined(__DECCXX)
+# pragma message disable (ADDRCONSTEXT,NEEDCONSTEXT)
+#endif
/* DEC's C compilers and gcc use incompatible definitions of _to(upp|low)er() */
#ifdef _toupper
# undef _tolower
#endif
#define _tolower(c) (((c) < 'A' || (c) > 'Z') ? (c) : (c) | 040)
+/* DECC 1.3 has a funny definition of abs; it's fixed in DECC 4.0, so this
+ * can go away once DECC 1.3 isn't in use any more. */
+#if defined(__ALPHA) && (defined(__DECC) || defined(__DECCXX))
+#undef abs
+#define abs(__x) __ABS(__x)
+#undef labs
+#define labs(__x) __LABS(__x)
+#endif /* __ALPHA && __DECC */
/* Assorted things to look like Unix */
#ifdef __GNUC__
#include <unixio.h>
#include <unixlib.h>
#include <file.h> /* it's not <sys/file.h>, so don't use I_SYS_FILE */
+#if (defined(__DECC) && defined(__DECC_VER) && __DECC_VER > 20000000) || defined(__DECCXX)
+# include <unistd.h> /* DECC has this; gcc doesn't */
+#endif
+
+#ifdef NO_PERL_TYPEDEFS /* a2p; we don't want Perl's special routines */
+# define DONT_MASK_RTL_CALLS
+#endif
+
+/* Note that we do, in fact, have this */
+#define HAS_GETENV_SV
+#define HAS_GETENV_LEN
+
+/* All this stiff is for the x2P programs. Hopefully they'll still work */
+#if defined(PERL_FOR_X2P)
+#ifndef aTHX_
+#define aTHX_
+#endif
+#ifndef pTHX_
+#define pTHX_
+#endif
+#ifndef pTHX
+#define pTHX
+#endif
+#endif
+
+#ifndef DONT_MASK_RTL_CALLS
+# ifdef getenv
+# undef getenv
+# endif
+ /* getenv used for regular logical names */
+# define getenv(v) Perl_my_getenv(aTHX_ v,TRUE)
+#endif
+#ifdef getenv_len
+# undef getenv_len
+#endif
+#define getenv_len(v,l) Perl_my_getenv_len(aTHX_ v,l,TRUE)
+
+/* DECC introduces this routine in the RTL as of VMS 7.0; for now,
+ * we'll use ours, since it gives us the full VMS exit status. */
+#define waitpid my_waitpid
+
+/* Don't redeclare standard RTL routines in Perl's header files;
+ * VMS history or extensions makes some of the formal protoypes
+ * differ from the common Unix forms.
+ */
+#define DONT_DECLARE_STD 1
+
+/* Our own contribution to PerlShr's global symbols . . . */
+#define prime_env_iter Perl_prime_env_iter
+#define vms_image_init Perl_vms_image_init
+#define my_tmpfile Perl_my_tmpfile
+#define vmstrnenv Perl_vmstrnenv
+#if !defined(PERL_IMPLICIT_CONTEXT)
+#define my_getenv_len Perl_my_getenv_len
+#define vmssetenv Perl_vmssetenv
+#define my_trnlnm Perl_my_trnlnm
+#define my_setenv Perl_my_setenv
+#define my_getenv Perl_my_getenv
+#define tounixspec Perl_tounixspec
+#define tounixspec_ts Perl_tounixspec_ts
+#define tovmsspec Perl_tovmsspec
+#define tovmsspec_ts Perl_tovmsspec_ts
+#define tounixpath Perl_tounixpath
+#define tounixpath_ts Perl_tounixpath_ts
+#define tovmspath Perl_tovmspath
+#define tovmspath_ts Perl_tovmspath_ts
+#define do_rmdir Perl_do_rmdir
+#define fileify_dirspec Perl_fileify_dirspec
+#define fileify_dirspec_ts Perl_fileify_dirspec_ts
+#define pathify_dirspec Perl_pathify_dirspec
+#define pathify_dirspec_ts Perl_pathify_dirspec_ts
+#define trim_unixpath Perl_trim_unixpath
+#define opendir Perl_opendir
+#define rmscopy Perl_rmscopy
+#define my_mkdir Perl_my_mkdir
+#define vms_do_aexec Perl_vms_do_aexec
+#define vms_do_exec Perl_vms_do_exec
+#define my_waitpid Perl_my_waitpid
+#define my_crypt Perl_my_crypt
+#define kill_file Perl_kill_file
+#define my_utime Perl_my_utime
+#define my_chdir Perl_my_chdir
+#define do_aspawn Perl_do_aspawn
+#define seekdir Perl_seekdir
+#define my_gmtime Perl_my_gmtime
+#define my_localtime Perl_my_localtime
+#define my_time Perl_my_time
+#define do_spawn Perl_do_spawn
+#define flex_fstat Perl_flex_fstat
+#define flex_stat Perl_flex_stat
+#define cando_by_name Perl_cando_by_name
+#define my_getpwnam Perl_my_getpwnam
+#define my_getpwuid Perl_my_getpwuid
+#define my_flush Perl_my_flush
+#define readdir Perl_readdir
+#define readdir_r Perl_readdir_r
+#else
+#define my_getenv_len(a,b,c) Perl_my_getenv_len(aTHX_ a,b,c)
+#define vmssetenv(a,b,c) Perl_vmssetenv(aTHX_ a,b,c)
+#define my_trnlnm(a,b,c) Perl_my_trnlnm(aTHX_ a,b,c)
+#define my_setenv(a,b) Perl_my_setenv(aTHX_ a,b)
+#define my_getenv(a,b) Perl_my_getenv(aTHX_ a,b)
+#define tounixspec(a,b) Perl_tounixspec(aTHX_ a,b)
+#define tounixspec_ts(a,b) Perl_tounixspec_ts(aTHX_ a,b)
+#define tovmsspec(a,b) Perl_tovmsspec(aTHX_ a,b)
+#define tovmsspec_t(a,b) Perl_tovmsspec_ts(aTHX_ a,b)
+#define tounixpath(a,b) Perl_tounixpath(aTHX_ a,b)
+#define tounixpath_ts(a,b) Perl_tounixpath_ts(aTHX_ a,b)
+#define tovmspath(a,b) Perl_tovmspath(aTHX_ a,b)
+#define tovmspath_ts(a,b) Perl_tovmspath_ts(aTHX_ a,b)
+#define do_rmdir(a) Perl_do_rmdir(aTHX_ a)
+#define fileify_dirspec(a,b) Perl_fileify_dirspec(aTHX_ a,b)
+#define fileify_dirspec_ts(a,b) Perl_fileify_dirspec_ts(aTHX_ a,b)
+#define pathify_dirspec Perl_pathify_dirspec
+#define pathify_dirspec_ts Perl_pathify_dirspec_ts
+#define rmsexpand(a,b,c,d) Perl_rmsexpand(aTHX_ a,b,c,d)
+#define rmsexpand_ts(a,b,c,d) Perl_rmsexpand_ts(aTHX_ a,b,c,d)
+#define trim_unixpath(a,b,c) Perl_trim_unixpath(aTHX_ a,b,c)
+#define opendir(a) Perl_opendir(aTHX_ a)
+#define rmscopy(a,b,c) Perl_rmscopy(aTHX_ a,b,c)
+#define my_mkdir(a,b) Perl_my_mkdir(aTHX_ a,b)
+#define vms_do_aexec(a,b,c) Perl_vms_do_aexec(aTHX_ a,b,c)
+#define vms_do_exec(a) Perl_vms_do_exec(aTHX_ a)
+#define my_waitpid(a,b,c) Perl_my_waitpid(aTHX_ a,b,c)
+#define my_crypt(a,b) Perl_my_crypt(aTHX_ a,b)
+#define kill_file(a) Perl_kill_file(aTHX_ a)
+#define my_utime(a,b) Perl_my_utime(aTHX_ a,b)
+#define my_chdir(a) Perl_my_chdir(aTHX_ a)
+#define do_aspawn(a,b,c) Perl_do_aspawn(aTHX_ a,b,c)
+#define seekdir(a,b) Perl_seekdir(aTHX_ a,b)
+#define my_gmtime(a) Perl_my_gmtime(aTHX_ a)
+#define my_localtime(a) Perl_my_localtime(aTHX_ a)
+#define my_time(a) Perl_my_time(aTHX_ a)
+#define do_spawn(a) Perl_do_spawn(aTHX_ a)
+#define flex_fstat(a,b) Perl_flex_fstat(aTHX_ a,b)
+#define cando_by_name(a,b,c) Perl_cando_by_name(aTHX_ a,b,c)
+#define flex_stat(a,b) Perl_flex_stat(aTHX_ a,b)
+#define my_getpwnam(a) Perl_my_getpwnam(aTHX_ a)
+#define my_getpwuid(a) Perl_my_getpwuid(aTHX_ a)
+#define my_flush(a) Perl_my_flush(aTHX_ a)
+#define readdir(a) Perl_readdir(aTHX_ a)
+#define readdir_r(a,b,c) Perl_readdir_r(aTHX_ a,b,c)
+#endif
+#define my_gconvert Perl_my_gconvert
+#define telldir Perl_telldir
+#define closedir Perl_closedir
+#define vmsreaddirversions Perl_vmsreaddirversions
+#define my_sigemptyset Perl_my_sigemptyset
+#define my_sigfillset Perl_my_sigfillset
+#define my_sigaddset Perl_my_sigaddset
+#define my_sigdelset Perl_my_sigdelset
+#define my_sigismember Perl_my_sigismember
+#define my_sigprocmask Perl_my_sigprocmask
+#define my_vfork Perl_my_vfork
+#define my_fdopen Perl_my_fdopen
+#define my_fclose Perl_my_fclose
+#define my_fwrite Perl_my_fwrite
+#define my_getpwent Perl_my_getpwent
+#define my_endpwent Perl_my_endpwent
+#define my_getlogin Perl_my_getlogin
+#define init_os_extras Perl_init_os_extras
+
+/* Delete if at all possible, changing protections if necessary. */
#define unlink kill_file
+/*
+ * Intercept calls to fork, so we know whether subsequent calls to
+ * exec should be handled in VMSish or Unixish style.
+ */
+#define fork my_vfork
+#ifndef DONT_MASK_RTL_CALLS /* #defined in vms.c so we see real vfork */
+# ifdef vfork
+# undef vfork
+# endif
+# define vfork my_vfork
+#endif
+
+/*
+ * Toss in a shim to tmpfile which creates a plain temp file if the
+ * RMS tmp mechanism won't work (e.g. if someone is relying on ACLs
+ * from a specific directory to permit creation of files).
+ */
+#ifndef DONT_MASK_RTL_CALLS
+# define tmpfile Perl_my_tmpfile
+#endif
+
+
+/* BIG_TIME:
+ * This symbol is defined if Time_t is an unsigned type on this system.
+ */
+#define BIG_TIME
+
+/* ACME_MESS:
+ * This symbol, if defined, indicates that error messages should be
+ * should be generated in a format that allows the use of the Acme
+ * GUI/editor's autofind feature.
+ */
+#undef ACME_MESS /**/
+
+/* ALTERNATE_SHEBANG:
+ * This symbol, if defined, contains a "magic" string which may be used
+ * as the first line of a Perl program designed to be executed directly
+ * by name, instead of the standard Unix #!. If ALTERNATE_SHEBANG
+ * begins with a character other then #, then Perl will only treat
+ * it as a command line if if finds the string "perl" in the first
+ * word; otherwise it's treated as the first line of code in the script.
+ * (IOW, Perl won't hand off to another interpreter via an alternate
+ * shebang sequence that might be legal Perl code.)
+ */
+#define ALTERNATE_SHEBANG "$"
+
+/* Lower case entry points for these are missing in some earlier RTLs
+ * so we borrow the defines and declares from errno.h and upcase them.
+ */
+#if defined(VMS_WE_ARE_CASE_SENSITIVE) && (__DECC_VER < 50500000)
+# define errno (*CMA$TIS_ERRNO_GET_ADDR())
+# define vaxc$errno (*CMA$TIS_VMSERRNO_GET_ADDR())
+ int *CMA$TIS_ERRNO_GET_ADDR (void); /* UNIX style error code */
+ int *CMA$TIS_VMSERRNO_GET_ADDR (void); /* VMS error (errno == EVMSERR) */
+#endif
+
/* Macros to set errno using the VAX thread-safe calls, if present */
#if (defined(__DECC) || defined(__DECCXX)) && !defined(__ALPHA)
# define set_errno(v) (cma$tis_errno_set_value(v))
+ void cma$tis_errno_set_value(int __value); /* missing in some errno.h */
# define set_vaxc_errno(v) (vaxc$errno = (v))
#else
# define set_errno(v) (errno = (v))
# define set_vaxc_errno(v) (vaxc$errno = (v))
#endif
+/* Support for 'vmsish' behaviors enabled with C<use vmsish> pragma */
+
+#define COMPLEX_STATUS 1 /* We track both "POSIX" and VMS values */
+
+#define HINT_V_VMSISH 24
+#define HINT_M_VMSISH_STATUS 0x40000000 /* system, $? return VMS status */
+#define HINT_M_VMSISH_TIME 0x80000000 /* times are local, not UTC */
+#define NATIVE_HINTS (PL_hints >> HINT_V_VMSISH) /* used in op.c */
+
+#define TEST_VMSISH(h) (PL_curcop->op_private & ((h) >> HINT_V_VMSISH))
+#define VMSISH_STATUS TEST_VMSISH(HINT_M_VMSISH_STATUS)
+#define VMSISH_TIME TEST_VMSISH(HINT_M_VMSISH_TIME)
+
+/* VMS-specific data storage */
+
+#define HAVE_INTERP_INTERN
+struct interp_intern {
+ int hushed;
+ double inv_rand_max;
+};
+#define VMSISH_HUSHED (PL_sys_intern.hushed)
+#define MY_INV_RAND_MAX (PL_sys_intern.inv_rand_max)
+
+/* Flags for vmstrnenv() */
+#define PERL__TRNENV_SECURE 0x01
+#define PERL__TRNENV_JOIN_SEARCHLIST 0x02
+
/* Handy way to vet calls to VMS system services and RTL routines. */
-#define _ckvmssts(call) { register unsigned long int __ckvms_sts; \
+#define _ckvmssts(call) STMT_START { register unsigned long int __ckvms_sts; \
+ if (!((__ckvms_sts=(call))&1)) { \
+ set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \
+ Perl_croak(aTHX_ "Fatal VMS error (status=%d) at %s, line %d", \
+ __ckvms_sts,__FILE__,__LINE__); } } STMT_END
+
+/* Same thing, but don't call back to Perl's croak(); useful for errors
+ * occurring during startup, before Perl's state is initialized */
+#define _ckvmssts_noperl(call) STMT_START { register unsigned long int __ckvms_sts; \
if (!((__ckvms_sts=(call))&1)) { \
set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \
- croak("Fatal VMS error at %s, line %d",__FILE__,__LINE__); } }
+ fprintf(stderr,"Fatal VMS error (status=%d) at %s, line %d", \
+ __ckvms_sts,__FILE__,__LINE__); lib$signal(__ckvms_sts); } } STMT_END
#ifdef VMS_DO_SOCKETS
#include "sockadapt.h"
+#define PERL_SOCK_SYSREAD_IS_RECV
+#define PERL_SOCK_SYSWRITE_IS_SEND
#endif
-/*
- * The following symbols are defined (or undefined) according to the RTL
- * support VMS provides for the corresponding functions. These don't
- * appear in config.h, so they're dealt with here.
+#define BIT_BUCKET "_NLA0:"
+#define PERL_SYS_INIT(c,v) MALLOC_CHECK_TAINT2(*c,*v) vms_image_init((c),(v)); MALLOC_INIT
+#define PERL_SYS_TERM() OP_REFCNT_TERM; MALLOC_TERM
+#define dXSUB_SYS
+#define HAS_KILL
+#define HAS_WAIT
+
+#define PERL_FS_VER_FMT "%d_%d_%d"
+/* Temporary; we need to add support for this to Configure.Com */
+#ifdef PERL_INC_VERSION_LIST
+# undef PERL_INC_VERSION_LIST
+#endif
+
+/* VMS:
+ * This symbol, if defined, indicates that the program is running under
+ * VMS. It's a symbol automagically defined by all VMS C compilers I've seen.
+ * Just in case, however . . . */
+#ifndef VMS
+#define VMS /**/
+#endif
+
+/* HAS_IOCTL:
+ * This symbol, if defined, indicates that the ioctl() routine is
+ * available to set I/O characteristics
+ */
+#if defined(__CRTL_VER) && __CRTL_VER >= 70000000
+#define HAS_IOCTL /**/
+#else
+#undef HAS_IOCTL /**/
+#endif
+
+/* HAS_UTIME:
+ * This symbol, if defined, indicates that the routine utime() is
+ * available to update the access and modification times of files.
+ */
+#define HAS_UTIME /**/
+
+/* HAS_GROUP
+ * This symbol, if defined, indicates that the getgrnam() and
+ * getgrgid() routines are available to get group entries.
+ * The getgrent() has a separate definition, HAS_GETGRENT.
*/
+#undef HAS_GROUP /**/
+
+/* HAS_PASSWD
+ * This symbol, if defined, indicates that the getpwnam() and
+ * getpwuid() routines are available to get password entries.
+ * The getpwent() has a separate definition, HAS_GETPWENT.
+ */
+#define HAS_PASSWD /**/
+
#define HAS_KILL
#define HAS_WAIT
+
+/* USEMYBINMODE
+ * This symbol, if defined, indicates that the program should
+ * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
+ * that a file is in "binary" mode -- that is, that no translation
+ * of bytes occurs on read or write operations.
+ */
+#undef USEMYBINMODE
-/* The VMS C RTL has vfork() but not fork(). Both actually work in a way
- * that's somewhere between Unix vfork() and VMS lib$spawn(), so it's
- * probably not a good idea to use them much. That said, we'll try to
- * use vfork() in either case.
+/* Stat_t:
+ * This symbol holds the type used to declare buffers for information
+ * returned by stat(). It's usually just struct stat. It may be necessary
+ * to include <sys/stat.h> and <sys/types.h> to get any typedef'ed
+ * information.
+ */
+/* VMS:
+ * We need this typedef to point to the new type even if DONT_MASK_RTL_CALLS
+ * is in effect, since Perl's thread.h embeds one of these structs in its
+ * thread data struct, and our struct mystat is a different size from the
+ * regular struct stat (cf. note above about having to pad struct to work
+ * around bug in compiler.)
+ * It's OK to pass one of these to the RTL's stat(), though, since the
+ * fields it fills are the same in each struct.
*/
-#define fork vfork
+#define Stat_t struct mystat
+
+/* USE_STAT_RDEV:
+* This symbol is defined if this system has a stat structure declaring
+* st_rdev
+* VMS: Field exists in POSIXish version of struct stat(), but is not used.
+*/
+#undef USE_STAT_RDEV /**/
/*
* fwrite1() should be a routine with the same calling sequence as fwrite(),
*/
#define fwrite1 my_fwrite
+
+#ifndef DONT_MASK_RTL_CALLS
+# define fwrite my_fwrite /* for PerlSIO_fwrite */
+# define fdopen my_fdopen
+# define fclose my_fclose
+#endif
+
+
+/* By default, flush data all the way to disk, not just to RMS buffers */
+#define Fflush(fp) my_flush(fp)
+
/* Use our own rmdir() */
#define rmdir(name) do_rmdir(name)
};
#define utime my_utime
-/* This is what times() returns, but <times.h> calls it tbuffer_t on VMS */
+/* This is what times() returns, but <times.h> calls it tbuffer_t on VMS
+ * prior to v7.0. We check the DECC manifest to see whether it's already
+ * done this for us, relying on the fact that perl.h #includes <time.h>
+ * before it #includes "vmsish.h".
+ */
+
+#ifndef __TMS
+ struct tms {
+ clock_t tms_utime; /* user time */
+ clock_t tms_stime; /* system time - always 0 on VMS */
+ clock_t tms_cutime; /* user time, children */
+ clock_t tms_cstime; /* system time, children - always 0 on VMS */
+ };
+#else
+ /* The new headers change the times() prototype to tms from tbuffer */
+# define tbuffer_t struct tms
+#endif
+
+/* Substitute our own routines for gmtime(), localtime(), and time(),
+ * which allow us to implement the vmsish 'time' pragma, and work
+ * around absence of system-level UTC support on old versions of VMS.
+ */
+#define gmtime(t) my_gmtime(t)
+#define localtime(t) my_localtime(t)
+#define time(t) my_time(t)
+
+/* If we're using an older version of VMS whose Unix signal emulation
+ * isn't very POSIXish, then roll our own.
+ */
+#if __VMS_VER < 70000000 || __DECC_VER < 50200000
+# define HOMEGROWN_POSIX_SIGNALS
+#endif
+#ifdef HOMEGROWN_POSIX_SIGNALS
+# define sigemptyset(t) my_sigemptyset(t)
+# define sigfillset(t) my_sigfillset(t)
+# define sigaddset(t, u) my_sigaddset(t, u)
+# define sigdelset(t, u) my_sigdelset(t, u)
+# define sigismember(t, u) my_sigismember(t, u)
+# define sigprocmask(t, u, v) my_sigprocmask(t, u, v)
+# ifndef _SIGSET_T
+ typedef int sigset_t;
+# endif
+ /* The tools for sigprocmask() are there, just not the routine itself */
+# ifndef SIG_UNBLOCK
+# define SIG_UNBLOCK 1
+# endif
+# ifndef SIG_BLOCK
+# define SIG_BLOCK 2
+# endif
+# ifndef SIG_SETMASK
+# define SIG_SETMASK 3
+# endif
+# define sigaction sigvec
+# define sa_flags sv_onstack
+# define sa_handler sv_handler
+# define sa_mask sv_mask
+# define sigsuspend(set) sigpause(*set)
+# define sigpending(a) (not_here("sigpending"),0)
+#else
+/*
+ * The C RTL's sigaction fails to check for invalid signal numbers so we
+ * help it out a bit.
+ */
+# ifndef DONT_MASK_RTL_CALLS
+# define sigaction(a,b,c) Perl_my_sigaction(aTHX_ a,b,c)
+# endif
+#endif
+#ifdef KILL_BY_SIGPRC
+# define kill Perl_my_kill
+#endif
-struct tms {
- clock_t tms_utime; /* user time */
- clock_t tms_stime; /* system time - always 0 on VMS */
- clock_t tms_cutime; /* user time, children */
- clock_t tms_cstime; /* system time, children - always 0 on VMS */
-};
/* VMS doesn't use a real sys_nerr, but we need this when scanning for error
* messages in text strings . . .
/* Look up new %ENV values on the fly */
#define DYNAMIC_ENV_FETCH 1
-#define ENV_HV_NAME "%EnV%VmS%"
+ /* Special getenv function for retrieving %ENV elements. */
+#define ENVgetenv(v) my_getenv(v,FALSE)
+#define ENVgetenv_len(v,l) my_getenv_len(v,l,FALSE)
+
+
+/* Thin jacket around cuserid() to match Unix' calling sequence */
+#define getlogin my_getlogin
+
+/* Ditto for sys$hash_password() . . . */
+#define crypt(a,b) Perl_my_crypt(aTHX_ a,b)
+
+/* Tweak arg to mkdir & chdir first, so we can tolerate trailing /. */
+#define Mkdir(dir,mode) Perl_my_mkdir(aTHX_ (dir),(mode))
+#define Chdir(dir) my_chdir((dir))
/* Use our own stat() clones, which handle Unix-style directory names */
#define Stat(name,bufptr) flex_stat(name,bufptr)
-#define Fstat(fd,bufptr) flex_fstat(fd,bufptr)
+#define Fstat(fd,bufptr) Perl_flex_fstat(aTHX_ fd,bufptr)
/* Setup for the dirent routines:
* opendir(), closedir(), readdir(), seekdir(), telldir(), and
* vmsreaddirversions(), and preprocessor stuff on which these depend:
* Written by Rich $alz, <rsalz@bbn.com> in August, 1990.
- * This code has no copyright.
*/
/* Data structure returned by READDIR(). */
struct dirent {
char *pattern;
struct dirent entry;
struct dsc$descriptor_s pat;
+ void *mutex;
} DIR;
#define rewinddir(dirp) seekdir((dirp), 0)
/* Our own stat_t substitute, since we play with st_dev and st_ino -
* we want atomic types so Unix-bound code which compares these fields
- * for two files will work most of the time under VMS
+ * for two files will work most of the time under VMS.
+ * N.B. 1. The st_ino hack assumes that sizeof(unsigned short[3]) ==
+ * sizeof(unsigned) + sizeof(unsigned short). We can't use a union type
+ * to map the unsigned int we want and the unsigned short[3] the CRTL
+ * returns into the same member, since gcc has different ideas than DECC
+ * and VAXC about sizing union types.
+ * N.B. 2. The routine cando() in vms.c assumes that &stat.st_ino is the
+ * address of a FID.
*/
/* First, grab the system types, so we don't clobber them later */
#include <stat.h>
struct mystat
{
char *st_devnam; /* pointer to device name */
- union {
- unsigned short fid[3];
- unsigned long st_ino_mostly;
- } st_inode_u;
+ unsigned st_ino; /* hack - CRTL uses unsigned short[3] for */
+ unsigned short rvn; /* FID (num,seq,rvn) */
unsigned short st_mode; /* file "mode" i.e. prot, dir, reg, etc. */
int st_nlink; /* for compatibility - not really used */
unsigned st_uid; /* from ACP - QIO uic field */
char st_fab_rat; /* record attributes */
char st_fab_fsz; /* fixed header size */
unsigned st_dev; /* encoded device name */
+ /* Pad struct out to integral number of longwords, since DECC 5.6/VAX
+ * has a bug in dealing with offsets in structs in which are embedded
+ * other structs whose size is an odd number of bytes. (An even
+ * number of bytes is enough to make it happy, but we go for natural
+ * alignment anyhow.)
+ */
+ char st_fill1[sizeof(void *) - (3*sizeof(unsigned short) + 3*sizeof(char))%sizeof(void *)];
};
-#ifdef st_ino
-# undef st_ino
-#endif
-#define st_ino st_inode_u.st_ino_mostly
-#define stat mystat
typedef unsigned mydev_t;
-#define dev_t mydev_t
-typedef unsigned long myino_t;
-#define ino_t myino_t
+typedef unsigned myino_t;
+
+/*
+ * DEC C previous to 6.0 corrupts the behavior of the /prefix
+ * qualifier with the extern prefix pragma. This provisional
+ * hack circumvents this prefix pragma problem in previous
+ * precompilers.
+ */
+#if defined(__VMS_VER) && __VMS_VER >= 70000000
+# if defined(VMS_WE_ARE_CASE_SENSITIVE) && (__DECC_VER < 60000000)
+# pragma __extern_prefix save
+# pragma __extern_prefix "" /* set to empty to prevent prefixing */
+# define geteuid decc$__unix_geteuid
+# define getuid decc$__unix_getuid
+# define stat(__p1,__p2) decc$__utc_stat(__p1,__p2)
+# define fstat(__p1,__p2) decc$__utc_fstat(__p1,__p2)
+# pragma __extern_prefix restore
+# endif
+#endif
+
+#ifndef DONT_MASK_RTL_CALLS /* defined for vms.c so we can see RTL calls */
+# ifdef stat
+# undef stat
+# endif
+# define stat mystat
+# define dev_t mydev_t
+# define ino_t myino_t
+#endif
#if defined(__DECC) || defined(__DECCXX)
# pragma __member_alignment __restore
#endif
#define S_IDGRP (S_IWGRP | S_IXGRP)
#define S_IDOTH (S_IWOTH | S_IXOTH)
+
/* Prototypes for functions unique to vms.c. Don't include replacements
* for routines in the mainline source files excluded by #ifndef VMS;
* their prototypes are already in proto.h.
* In order to keep Gen_ShrFls.Pl happy, functions which are to be made
* available to images linked to PerlShr.Exe must be declared between the
* __VMS_PROTOTYPES__ and __VMS_SEPYTOTORP__ lines, and must be in the form
- * <data type><TAB>name<WHITESPACE>_((<prototype args>));
+ * <data type><TAB>name<WHITESPACE>(<prototype args>);
*/
-typedef char __VMS_PROTOTYPES__; /* prototype section start marker */
-char * my_getenv _((char *));
-unsigned long int waitpid _((unsigned long int, int *, int));
-char * my_gconvert _((double, int, int, char *));
-int do_rmdir _((char *));
-int kill_file _((char *));
-int my_utime _((char *, struct utimbuf *));
-char * fileify_dirspec _((char *, char *));
-char * fileify_dirspec_ts _((char *, char *));
-char * pathify_dirspec _((char *, char *));
-char * pathify_dirspec_ts _((char *, char *));
-char * tounixspec _((char *, char *));
-char * tounixspec_ts _((char *, char *));
-char * tovmsspec _((char *, char *));
-char * tovmsspec_ts _((char *, char *));
-char * tounixpath _((char *, char *));
-char * tounixpath_ts _((char *, char *));
-char * tovmspath _((char *, char *));
-char * tovmspath_ts _((char *, char *));
-void getredirection _(());
-DIR * opendir _((char *));
-struct dirent * readdir _((DIR *));
-long telldir _((DIR *));
-void seekdir _((DIR *, long));
-void closedir _((DIR *));
-void vmsreaddirversions _((DIR *, int));
-void getredirection _((int *, char ***));
-I32 cando_by_name _((I32, I32, char *));
-int flex_fstat _((int, struct stat *));
-int flex_stat _((char *, struct stat *));
-int trim_unixpath _((char *, char*));
-bool vms_do_aexec _((SV *, SV **, SV **));
-bool vms_do_exec _((char *));
-unsigned long int do_aspawn _((SV *, SV **, SV **));
-unsigned long int do_spawn _((char *));
-int my_fwrite _((void *, size_t, size_t, FILE *));
-struct passwd * my_getpwnam _((char *name));
-struct passwd * my_getpwuid _((Uid_t uid));
-struct passwd * my_getpwent _(());
-void my_endpwent _(());
-void init_os_extras _(());
-typedef char __VMS_SEPYTOTORP__; /* prototype section end marker */
+
+#ifdef NO_PERL_TYPEDEFS
+ /* We don't have Perl typedefs available (e.g. when building a2p), so
+ we fake them here. N.B. There is *no* guarantee that the faked
+ prototypes will actually match the real routines. If you want to
+ call Perl routines, include perl.h to get the real typedefs. */
+# ifndef bool
+# define bool int
+# define __MY_BOOL_TYPE_FAKE
+# endif
+# ifndef I32
+# define I32 int
+# define __MY_I32_TYPE_FAKE
+# endif
+# ifndef SV
+# define SV void /* Since we only see SV * in prototypes */
+# define __MY_SV_TYPE_FAKE
+# endif
+#endif
+
+void prime_env_iter (void);
+void init_os_extras ();
+/* prototype section start marker; `typedef' passes through cpp */
+typedef char __VMS_PROTOTYPES__;
+int Perl_vmstrnenv (const char *, char *, unsigned long int, struct dsc$descriptor_s **, unsigned long int);
+#if !defined(PERL_IMPLICIT_CONTEXT)
+char * Perl_my_getenv (const char *, bool);
+int Perl_my_trnlnm (const char *, char *, unsigned long int);
+char * Perl_tounixspec (char *, char *);
+char * Perl_tounixspec_ts (char *, char *);
+char * Perl_tovmsspec (char *, char *);
+char * Perl_tovmsspec_ts (char *, char *);
+char * Perl_tounixpath (char *, char *);
+char * Perl_tounixpath_ts (char *, char *);
+char * Perl_tovmspath (char *, char *);
+char * Perl_tovmspath_ts (char *, char *);
+int Perl_do_rmdir (char *);
+char * Perl_fileify_dirspec (char *, char *);
+char * Perl_fileify_dirspec_ts (char *, char *);
+char * Perl_pathify_dirspec (char *, char *);
+char * Perl_pathify_dirspec_ts (char *, char *);
+char * Perl_rmsexpand (char *, char *, char *, unsigned);
+char * Perl_rmsexpand_ts (char *, char *, char *, unsigned);
+int Perl_trim_unixpath (char *, char*, int);
+DIR * Perl_opendir (char *);
+int Perl_rmscopy (char *, char *, int);
+int Perl_my_mkdir (char *, Mode_t);
+bool Perl_vms_do_aexec (SV *, SV **, SV **);
+#else
+char * Perl_my_getenv (pTHX_ const char *, bool);
+int Perl_my_trnlnm (pTHX_ const char *, char *, unsigned long int);
+char * Perl_tounixspec (pTHX_ char *, char *);
+char * Perl_tounixspec_ts (pTHX_ char *, char *);
+char * Perl_tovmsspec (pTHX_ char *, char *);
+char * Perl_tovmsspec_ts (pTHX_ char *, char *);
+char * Perl_tounixpath (pTHX_ char *, char *);
+char * Perl_tounixpath_ts (pTHX_ char *, char *);
+char * Perl_tovmspath (pTHX_ char *, char *);
+char * Perl_tovmspath_ts (pTHX_ char *, char *);
+int Perl_do_rmdir (pTHX_ char *);
+char * Perl_fileify_dirspec (pTHX_ char *, char *);
+char * Perl_fileify_dirspec_ts (pTHX_ char *, char *);
+char * Perl_pathify_dirspec (pTHX_ char *, char *);
+char * Perl_pathify_dirspec_ts (pTHX_ char *, char *);
+char * Perl_rmsexpand (pTHX_ char *, char *, char *, unsigned);
+char * Perl_rmsexpand_ts (pTHX_ char *, char *, char *, unsigned);
+int Perl_trim_unixpath (pTHX_ char *, char*, int);
+DIR * Perl_opendir (pTHX_ char *);
+int Perl_rmscopy (pTHX_ char *, char *, int);
+int Perl_my_mkdir (pTHX_ char *, Mode_t);
+bool Perl_vms_do_aexec (pTHX_ SV *, SV **, SV **);
+#endif
+char * Perl_my_getenv_len (pTHX_ const char *, unsigned long *, bool);
+int Perl_vmssetenv (pTHX_ char *, char *, struct dsc$descriptor_s **);
+void Perl_vmssetuserlnm(pTHX_ char *name, char *eqv);
+char * Perl_my_crypt (pTHX_ const char *, const char *);
+Pid_t Perl_my_waitpid (pTHX_ Pid_t, int *, int);
+char * my_gconvert (double, int, int, char *);
+int Perl_kill_file (pTHX_ char *);
+int Perl_my_chdir (pTHX_ char *);
+FILE * Perl_my_tmpfile ();
+#ifndef HOMEGROWN_POSIX_SIGNALS
+int Perl_my_sigaction (pTHX_ int, const struct sigaction*, struct sigaction*);
+#endif
+#ifdef KILL_BY_SIGPRC
+unsigned int Perl_sig_to_vmscondition (int);
+int Perl_my_kill (int, int);
+void Perl_csighandler_init (void);
+#endif
+int Perl_my_utime (pTHX_ char *, struct utimbuf *);
+void Perl_vms_image_init (int *, char ***);
+struct dirent * Perl_readdir (pTHX_ DIR *);
+int Perl_readdir_r(pTHX_ DIR *, struct dirent *, struct dirent **);
+long telldir (DIR *);
+void Perl_seekdir (pTHX_ DIR *, long);
+void closedir (DIR *);
+void vmsreaddirversions (DIR *, int);
+struct tm * Perl_my_gmtime (pTHX_ const time_t *);
+struct tm * Perl_my_localtime (pTHX_ const time_t *);
+time_t Perl_my_time (pTHX_ time_t *);
+#ifdef HOMEGROWN_POSIX_SIGNALS
+int my_sigemptyset (sigset_t *);
+int my_sigfillset (sigset_t *);
+int my_sigaddset (sigset_t *, int);
+int my_sigdelset (sigset_t *, int);
+int my_sigismember (sigset_t *, int);
+int my_sigprocmask (int, sigset_t *, sigset_t *);
+#endif
+I32 Perl_cando_by_name (pTHX_ I32, Uid_t, char *);
+int Perl_flex_fstat (pTHX_ int, Stat_t *);
+int Perl_flex_stat (pTHX_ const char *, Stat_t *);
+int my_vfork ();
+bool Perl_vms_do_exec (pTHX_ char *);
+unsigned long int Perl_do_aspawn (pTHX_ void *, void **, void **);
+unsigned long int Perl_do_spawn (pTHX_ char *);
+FILE * my_fdopen (int, const char *);
+int my_fclose (FILE *);
+int my_fwrite (const void *, size_t, size_t, FILE *);
+int Perl_my_flush (pTHX_ FILE *);
+struct passwd * Perl_my_getpwnam (pTHX_ char *name);
+struct passwd * Perl_my_getpwuid (pTHX_ Uid_t uid);
+void my_endpwent ();
+char * my_getlogin ();
+typedef char __VMS_SEPYTOTORP__;
+/* prototype section end marker; `typedef' passes through cpp */
+
+#ifdef NO_PERL_TYPEDEFS /* We'll try not to scramble later files */
+# ifdef __MY_BOOL_TYPE_FAKE
+# undef bool
+# undef __MY_BOOL_TYPE_FAKE
+# endif
+# ifdef __MY_I32_TYPE_FAKE
+# undef I32
+# undef __MY_I32_TYPE_FAKE
+# endif
+# ifdef __MY_SV_TYPE_FAKE
+# undef SV
+# undef __MY_SV_TYPE_FAKE
+# endif
+#endif
#ifndef VMS_DO_SOCKETS
/* This relies on tricks in perl.h to pick up that these manifest constants
#undef HAS_NTOHL
#endif
+/* The C RTL manual says to undef the macro for DEC C 5.2 and lower. */
+#if defined(fileno) && defined(__DECC_VER) && __DECC_VER < 50300000
+# undef fileno
+#endif
+
+#define NO_ENVIRON_ARRAY
+
#endif /* __vmsish_h_included */
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