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1 | /* vmsish.h |
2 | * |
3 | * VMS-specific C header file for perl5. |
4 | * |
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5 | * Last revised: 01-Oct-1995 by Charles Bailey bailey@genetics.upenn.edu |
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6 | * Version: 5.1.6 |
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7 | */ |
8 | |
9 | #ifndef __vmsish_h_included |
10 | #define __vmsish_h_included |
11 | |
12 | #include <descrip.h> /* for dirent struct definitions */ |
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13 | #include <libdef.h> /* status codes for various places */ |
14 | #include <rmsdef.h> /* at which errno and vaxc$errno are */ |
15 | #include <ssdef.h> /* explicitly set in the perl source code */ |
16 | |
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17 | /* Suppress compiler warnings from DECC for VMS-specific extensions: |
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18 | * GLOBALEXT, NOSHAREEXT, READONLYEXT: global[dr]ef declarations |
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19 | * ADDRCONSTEXT,NEEDCONSTEXT: initialization of data with non-constant values |
20 | * (e.g. pointer fields of descriptors) |
21 | */ |
22 | #ifdef __DECC |
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23 | # pragma message disable (GLOBALEXT,NOSHAREEXT,READONLYEXT,ADDRCONSTEXT,NEEDCONSTEXT) |
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24 | #endif |
25 | |
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26 | /* DEC's C compilers and gcc use incompatible definitions of _to(upp|low)er() */ |
27 | #ifdef _toupper |
28 | # undef _toupper |
29 | #endif |
30 | #define _toupper(c) (((c) < 'a' || (c) > 'z') ? (c) : (c) & ~040) |
31 | #ifdef _tolower |
32 | # undef _tolower |
33 | #endif |
34 | #define _tolower(c) (((c) < 'A' || (c) > 'Z') ? (c) : (c) | 040) |
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35 | /* DECC 1.3 has a funny definition of abs; it's fixed in DECC 4.0, so this |
36 | * can go away once DECC 1.3 isn't in use any more. */ |
37 | #if defined(__ALPHA) && defined(__DECC) |
38 | #undef abs |
39 | #define abs(__x) __ABS(__x) |
40 | #undef labs |
41 | #define labs(__x) __LABS(__x) |
42 | #endif /* __ALPHA && __DECC */ |
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43 | |
44 | /* Assorted things to look like Unix */ |
45 | #ifdef __GNUC__ |
46 | #ifndef _IOLBF /* gcc's stdio.h doesn't define this */ |
47 | #define _IOLBF 1 |
48 | #endif |
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49 | #endif |
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50 | #include <processes.h> /* for vfork() */ |
51 | #include <unixio.h> |
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52 | #include <unixlib.h> |
53 | #include <file.h> /* it's not <sys/file.h>, so don't use I_SYS_FILE */ |
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54 | #ifdef __DECC |
55 | # include <unistd.h> /* DECC has this; VAXC and gcc don't */ |
56 | #endif |
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57 | |
58 | /* Our own contribution to PerlShr's global symbols . . . */ |
59 | #ifdef EMBED |
60 | # define my_trnlnm Perl_my_trnlnm |
61 | # define my_getenv Perl_my_getenv |
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62 | # define prime_env_iter Perl_prime_env_iter |
63 | # define my_setenv Perl_my_setenv |
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64 | # define my_crypt Perl_my_crypt |
65 | # define waitpid Perl_waitpid |
66 | # define my_gconvert Perl_my_gconvert |
67 | # define do_rmdir Perl_do_rmdir |
68 | # define kill_file Perl_kill_file |
69 | # define my_utime Perl_my_utime |
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70 | # define rmsexpand Perl_rmsexpand |
71 | # define rmsexpand_ts Perl_rmsexpand_ts |
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72 | # define fileify_dirspec Perl_fileify_dirspec |
73 | # define fileify_dirspec_ts Perl_fileify_dirspec_ts |
74 | # define pathify_dirspec Perl_pathify_dirspec |
75 | # define pathify_dirspec_ts Perl_pathify_dirspec_ts |
76 | # define tounixspec Perl_tounixspec |
77 | # define tounixspec_ts Perl_tounixspec_ts |
78 | # define tovmsspec Perl_tovmsspec |
79 | # define tovmsspec_ts Perl_tovmsspec_ts |
80 | # define tounixpath Perl_tounixpath |
81 | # define tounixpath_ts Perl_tounixpath_ts |
82 | # define tovmspath Perl_tovmspath |
83 | # define tovmspath_ts Perl_tovmspath_ts |
84 | # define getredirection Perl_getredirection |
85 | # define opendir Perl_opendir |
86 | # define readdir Perl_readdir |
87 | # define telldir Perl_telldir |
88 | # define seekdir Perl_seekdir |
89 | # define closedir Perl_closedir |
90 | # define vmsreaddirversions Perl_vmsreaddirversions |
91 | # define getredirection Perl_getredirection |
92 | # define my_gmtime Perl_my_gmtime |
93 | # define cando_by_name Perl_cando_by_name |
94 | # define flex_fstat Perl_flex_fstat |
95 | # define flex_stat Perl_flex_stat |
96 | # define trim_unixpath Perl_trim_unixpath |
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97 | # define my_vfork Perl_my_vfork |
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98 | # define vms_do_aexec Perl_vms_do_aexec |
99 | # define vms_do_exec Perl_vms_do_exec |
100 | # define do_aspawn Perl_do_aspawn |
101 | # define do_spawn Perl_do_spawn |
102 | # define my_fwrite Perl_my_fwrite |
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103 | # define my_binmode Perl_my_binmode |
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104 | # define my_getpwnam Perl_my_getpwnam |
105 | # define my_getpwuid Perl_my_getpwuid |
106 | # define my_getpwent Perl_my_getpwent |
107 | # define my_endpwent Perl_my_endpwent |
108 | # define my_getlogin Perl_my_getlogin |
109 | # define rmscopy Perl_rmscopy |
110 | # define init_os_extras Perl_init_os_extras |
111 | #endif |
112 | |
113 | /* Delete if at all possible, changing protections if necessary. */ |
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114 | #define unlink kill_file |
115 | |
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116 | /* |
117 | * Intercept calls to fork, so we know whether subsequent calls to |
118 | * exec should be handled in VMSish or Unixish style. |
119 | */ |
120 | #define fork my_vfork |
121 | #ifndef __DONT_MASK_VFORK /* #defined in vms.c so we see real vfork */ |
122 | # ifdef vfork |
123 | # undef vfork |
124 | # endif |
125 | # define vfork my_vfork |
126 | #endif |
127 | |
128 | /* BIG_TIME: |
129 | * This symbol is defined if Time_t is an unsigned type on this system. |
130 | */ |
131 | #define BIG_TIME |
132 | |
133 | /* USE_STAT_RDEV: |
134 | * This symbol is defined if this system has a stat structure declaring |
135 | * st_rdev |
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136 | */ |
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137 | #define USE_STAT_RDEV /**/ |
138 | |
139 | /* ACME_MESS: |
140 | * This symbol, if defined, indicates that error messages should be |
141 | * should be generated in a format that allows the use of the Acme |
142 | * GUI/editor's autofind feature. |
143 | */ |
144 | #undef ACME_MESS /**/ |
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145 | |
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146 | /* Macros to set errno using the VAX thread-safe calls, if present */ |
147 | #if (defined(__DECC) || defined(__DECCXX)) && !defined(__ALPHA) |
148 | # define set_errno(v) (cma$tis_errno_set_value(v)) |
149 | # define set_vaxc_errno(v) (vaxc$errno = (v)) |
150 | #else |
151 | # define set_errno(v) (errno = (v)) |
152 | # define set_vaxc_errno(v) (vaxc$errno = (v)) |
153 | #endif |
154 | |
155 | /* Handy way to vet calls to VMS system services and RTL routines. */ |
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156 | #define _ckvmssts(call) STMT_START { register unsigned long int __ckvms_sts; \ |
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157 | if (!((__ckvms_sts=(call))&1)) { \ |
158 | set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \ |
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159 | croak("Fatal VMS error (status=%d) at %s, line %d", \ |
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160 | __ckvms_sts,__FILE__,__LINE__); } } STMT_END |
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161 | |
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162 | /* Same thing, but don't call back to Perl's croak(); useful for errors |
163 | * occurring during startup, before Perl's state is initialized */ |
164 | #define _ckvmssts_noperl(call) STMT_START { register unsigned long int __ckvms_sts; \ |
165 | if (!((__ckvms_sts=(call))&1)) { \ |
166 | set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \ |
167 | fprintf(Perl_debug_log,"Fatal VMS error (status=%d) at %s, line %d", \ |
168 | __ckvms_sts,__FILE__,__LINE__); lib$signal(__ckvms_sts); } } STMT_END |
169 | |
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170 | #ifdef VMS_DO_SOCKETS |
171 | #include "sockadapt.h" |
172 | #endif |
173 | |
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174 | #define BIT_BUCKET "_NLA0:" |
175 | #define PERL_SYS_INIT(c,v) getredirection((c),(v)) |
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176 | #define PERL_SYS_TERM() |
177 | #define dXSUB_SYS int dummy |
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178 | #define HAS_KILL |
179 | #define HAS_WAIT |
180 | |
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181 | /* VMS: |
182 | * This symbol, if defined, indicates that the program is running under |
183 | * VMS. It's a symbol automagically defined by all VMS C compilers I've seen. |
184 | * Just in case, however . . . */ |
185 | #ifndef VMS |
186 | #define VMS /**/ |
187 | #endif |
188 | |
189 | /* HAS_IOCTL: |
190 | * This symbol, if defined, indicates that the ioctl() routine is |
191 | * available to set I/O characteristics |
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192 | */ |
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193 | #undef HAS_IOCTL /**/ |
194 | |
195 | /* HAS_UTIME: |
196 | * This symbol, if defined, indicates that the routine utime() is |
197 | * available to update the access and modification times of files. |
198 | */ |
199 | #define HAS_UTIME /**/ |
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200 | |
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201 | /* HAS_GROUP |
202 | * This symbol, if defined, indicates that the getgrnam(), |
203 | * getgrgid(), and getgrent() routines are available to |
204 | * get group entries. |
205 | */ |
206 | #undef HAS_GROUP /**/ |
207 | |
208 | /* HAS_PASSWD |
209 | * This symbol, if defined, indicates that the getpwnam(), |
210 | * getpwuid(), and getpwent() routines are available to |
211 | * get password entries. |
212 | */ |
213 | #define HAS_PASSWD /**/ |
214 | |
215 | #define HAS_KILL |
216 | #define HAS_WAIT |
217 | |
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218 | /* USEMYBINMODE |
219 | * This symbol, if defined, indicates that the program should |
220 | * use the routine my_binmode(FILE *fp, char iotype) to insure |
221 | * that a file is in "binary" mode -- that is, that no translation |
222 | * of bytes occurs on read or write operations. |
223 | */ |
224 | #define USEMYBINMODE |
225 | |
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226 | /* |
227 | * fwrite1() should be a routine with the same calling sequence as fwrite(), |
228 | * but which outputs all of the bytes requested as a single stream (unlike |
229 | * fwrite() itself, which on some systems outputs several distinct records |
230 | * if the number_of_items parameter is >1). |
231 | */ |
232 | #define fwrite1 my_fwrite |
233 | |
234 | /* Use our own rmdir() */ |
235 | #define rmdir(name) do_rmdir(name) |
236 | |
237 | /* Assorted fiddling with sigs . . . */ |
238 | # include <signal.h> |
239 | #define ABORT() abort() |
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240 | /* VAXC's signal.h doesn't #define SIG_ERR, but provides BADSIG instead. */ |
241 | #if !defined(SIG_ERR) && defined(BADSIG) |
242 | # define SIG_ERR BADSIG |
243 | #endif |
244 | |
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245 | |
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246 | /* Used with our my_utime() routine in vms.c */ |
247 | struct utimbuf { |
248 | time_t actime; |
249 | time_t modtime; |
250 | }; |
251 | #define utime my_utime |
252 | |
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253 | /* This is what times() returns, but <times.h> calls it tbuffer_t on VMS |
254 | * prior to v7.0. We check the DECC manifest to see whether it's already |
255 | * done this for us, relying on the fact that perl.h #includes <time.h> |
256 | * before it #includes "vmsish.h". |
257 | */ |
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258 | |
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259 | #ifndef __TMS |
260 | struct tms { |
261 | clock_t tms_utime; /* user time */ |
262 | clock_t tms_stime; /* system time - always 0 on VMS */ |
263 | clock_t tms_cutime; /* user time, children */ |
264 | clock_t tms_cstime; /* system time, children - always 0 on VMS */ |
265 | }; |
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266 | #else |
267 | /* The new headers change the times() prototype to tms from tbuffer */ |
268 | # define tbuffer_t struct tms |
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269 | #endif |
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270 | |
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271 | /* Prior to VMS 7.0, the CRTL gmtime() routine was a stub which always |
272 | * returned NULL. Substitute our own routine, which uses the logical |
273 | * SYS$TIMEZONE_DIFFERENTIAL, whcih the native UTC support routines |
274 | * in VMS 6.0 or later use.* |
275 | */ |
276 | #define gmtime(t) my_gmtime(t) |
277 | |
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278 | /* VMS doesn't use a real sys_nerr, but we need this when scanning for error |
279 | * messages in text strings . . . |
280 | */ |
281 | |
282 | #define sys_nerr EVMSERR /* EVMSERR is as high as we can go. */ |
283 | |
284 | /* Look up new %ENV values on the fly */ |
285 | #define DYNAMIC_ENV_FETCH 1 |
286 | #define ENV_HV_NAME "%EnV%VmS%" |
287 | |
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288 | /* Thin jacket around cuserid() tomatch Unix' calling sequence */ |
289 | #define getlogin my_getlogin |
290 | |
291 | /* Ditto for sys$hash_passwrod() . . . */ |
292 | #define crypt my_crypt |
293 | |
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294 | /* Use our own stat() clones, which handle Unix-style directory names */ |
295 | #define Stat(name,bufptr) flex_stat(name,bufptr) |
296 | #define Fstat(fd,bufptr) flex_fstat(fd,bufptr) |
297 | |
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298 | /* By default, flush data all the way to disk, not just to RMS buffers */ |
299 | #define Fflush(fp) ((fflush(fp) || fsync(fileno(fp))) ? EOF : 0) |
300 | |
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301 | /* Setup for the dirent routines: |
302 | * opendir(), closedir(), readdir(), seekdir(), telldir(), and |
303 | * vmsreaddirversions(), and preprocessor stuff on which these depend: |
304 | * Written by Rich $alz, <rsalz@bbn.com> in August, 1990. |
305 | * This code has no copyright. |
306 | */ |
307 | /* Data structure returned by READDIR(). */ |
308 | struct dirent { |
309 | char d_name[256]; /* File name */ |
310 | int d_namlen; /* Length of d_name */ |
311 | int vms_verscount; /* Number of versions */ |
312 | int vms_versions[20]; /* Version numbers */ |
313 | }; |
314 | |
315 | /* Handle returned by opendir(), used by the other routines. You |
316 | * are not supposed to care what's inside this structure. */ |
317 | typedef struct _dirdesc { |
318 | long context; |
319 | int vms_wantversions; |
320 | unsigned long int count; |
321 | char *pattern; |
322 | struct dirent entry; |
323 | struct dsc$descriptor_s pat; |
324 | } DIR; |
325 | |
326 | #define rewinddir(dirp) seekdir((dirp), 0) |
327 | |
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328 | /* used for our emulation of getpw* */ |
329 | struct passwd { |
330 | char *pw_name; /* Username */ |
331 | char *pw_passwd; |
332 | Uid_t pw_uid; /* UIC member number */ |
333 | Gid_t pw_gid; /* UIC group number */ |
334 | char *pw_comment; /* Default device/directory (Unix-style) */ |
335 | char *pw_gecos; /* Owner */ |
336 | char *pw_dir; /* Default device/directory (VMS-style) */ |
337 | char *pw_shell; /* Default CLI name (eg. DCL) */ |
338 | }; |
339 | #define pw_unixdir pw_comment /* Default device/directory (Unix-style) */ |
340 | #define getpwnam my_getpwnam |
341 | #define getpwuid my_getpwuid |
342 | #define getpwent my_getpwent |
343 | #define endpwent my_endpwent |
344 | #define setpwent my_endpwent |
345 | |
346 | /* Our own stat_t substitute, since we play with st_dev and st_ino - |
347 | * we want atomic types so Unix-bound code which compares these fields |
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348 | * for two files will work most of the time under VMS. |
349 | * N.B. 1. The st_ino hack assumes that sizeof(unsigned short[3]) == |
350 | * sizeof(unsigned) + sizeof(unsigned short). We can't use a union type |
351 | * to map the unsigned int we want and the unsigned short[3] the CRTL |
352 | * returns into the same member, since gcc has different ideas than DECC |
353 | * and VAXC about sizing union types. |
354 | * N.B 2. The routine cando() in vms.c assumes that &stat.st_ino is the |
355 | * address of a FID. |
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356 | */ |
357 | /* First, grab the system types, so we don't clobber them later */ |
358 | #include <stat.h> |
359 | /* Since we've got to match the size of the CRTL's stat_t, we need |
360 | * to mimic DECC's alignment settings. |
361 | */ |
362 | #if defined(__DECC) || defined(__DECCXX) |
363 | # pragma __member_alignment __save |
364 | # pragma __nomember_alignment |
365 | #endif |
366 | #if defined(__DECC) |
367 | # pragma __message __save |
368 | # pragma __message disable (__MISALGNDSTRCT) |
369 | # pragma __message disable (__MISALGNDMEM) |
370 | #endif |
371 | struct mystat |
372 | { |
373 | char *st_devnam; /* pointer to device name */ |
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374 | unsigned st_ino; /* hack - CRTL uses unsigned short[3] for */ |
375 | unsigned short rvn; /* FID (num,seq,rvn) */ |
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376 | unsigned short st_mode; /* file "mode" i.e. prot, dir, reg, etc. */ |
377 | int st_nlink; /* for compatibility - not really used */ |
378 | unsigned st_uid; /* from ACP - QIO uic field */ |
379 | unsigned short st_gid; /* group number extracted from st_uid */ |
380 | dev_t st_rdev; /* for compatibility - always zero */ |
381 | off_t st_size; /* file size in bytes */ |
382 | unsigned st_atime; /* file access time; always same as st_mtime */ |
383 | unsigned st_mtime; /* last modification time */ |
384 | unsigned st_ctime; /* file creation time */ |
385 | char st_fab_rfm; /* record format */ |
386 | char st_fab_rat; /* record attributes */ |
387 | char st_fab_fsz; /* fixed header size */ |
388 | unsigned st_dev; /* encoded device name */ |
389 | }; |
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390 | #define stat mystat |
391 | typedef unsigned mydev_t; |
392 | #define dev_t mydev_t |
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393 | typedef unsigned myino_t; |
748a9306 |
394 | #define ino_t myino_t |
395 | #if defined(__DECC) || defined(__DECCXX) |
396 | # pragma __member_alignment __restore |
397 | #endif |
398 | #if defined(__DECC) |
399 | # pragma __message __restore |
400 | #endif |
401 | /* Cons up a 'delete' bit for testing access */ |
402 | #define S_IDUSR (S_IWUSR | S_IXUSR) |
403 | #define S_IDGRP (S_IWGRP | S_IXGRP) |
404 | #define S_IDOTH (S_IWOTH | S_IXOTH) |
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405 | |
406 | /* Prototypes for functions unique to vms.c. Don't include replacements |
407 | * for routines in the mainline source files excluded by #ifndef VMS; |
408 | * their prototypes are already in proto.h. |
409 | * |
410 | * In order to keep Gen_ShrFls.Pl happy, functions which are to be made |
411 | * available to images linked to PerlShr.Exe must be declared between the |
412 | * __VMS_PROTOTYPES__ and __VMS_SEPYTOTORP__ lines, and must be in the form |
413 | * <data type><TAB>name<WHITESPACE>_((<prototype args>)); |
414 | */ |
94c456c4 |
415 | |
416 | void prime_env_iter _((void)); |
417 | void getredirection _((int *, char ***)); |
418 | void init_os_extras _(()); |
c07a80fd |
419 | /* prototype section start marker; `typedef' passes through cpp */ |
420 | typedef char __VMS_PROTOTYPES__; |
421 | int my_trnlnm _((char *, char *, unsigned long int)); |
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422 | char * my_getenv _((char *)); |
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423 | char * my_crypt _((const char *, const char *)); |
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424 | unsigned long int waitpid _((unsigned long int, int *, int)); |
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425 | char * my_gconvert _((double, int, int, char *)); |
426 | int do_rmdir _((char *)); |
427 | int kill_file _((char *)); |
748a9306 |
428 | int my_utime _((char *, struct utimbuf *)); |
bbce6d69 |
429 | char * rmsexpand _((char *, char *, char *, unsigned)); |
430 | char * rmsexpand_ts _((char *, char *, char *, unsigned)); |
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431 | char * fileify_dirspec _((char *, char *)); |
432 | char * fileify_dirspec_ts _((char *, char *)); |
433 | char * pathify_dirspec _((char *, char *)); |
434 | char * pathify_dirspec_ts _((char *, char *)); |
435 | char * tounixspec _((char *, char *)); |
436 | char * tounixspec_ts _((char *, char *)); |
437 | char * tovmsspec _((char *, char *)); |
438 | char * tovmsspec_ts _((char *, char *)); |
439 | char * tounixpath _((char *, char *)); |
440 | char * tounixpath_ts _((char *, char *)); |
441 | char * tovmspath _((char *, char *)); |
442 | char * tovmspath_ts _((char *, char *)); |
443 | void getredirection _(()); |
444 | DIR * opendir _((char *)); |
445 | struct dirent * readdir _((DIR *)); |
446 | long telldir _((DIR *)); |
447 | void seekdir _((DIR *, long)); |
448 | void closedir _((DIR *)); |
449 | void vmsreaddirversions _((DIR *, int)); |
e518068a |
450 | struct tm *my_gmtime _((const time_t *)); |
748a9306 |
451 | I32 cando_by_name _((I32, I32, char *)); |
452 | int flex_fstat _((int, struct stat *)); |
453 | int flex_stat _((char *, struct stat *)); |
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454 | int trim_unixpath _((char *, char*)); |
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455 | int my_vfork _(()); |
748a9306 |
456 | bool vms_do_aexec _((SV *, SV **, SV **)); |
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457 | bool vms_do_exec _((char *)); |
748a9306 |
458 | unsigned long int do_aspawn _((SV *, SV **, SV **)); |
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459 | unsigned long int do_spawn _((char *)); |
460 | int my_fwrite _((void *, size_t, size_t, FILE *)); |
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461 | FILE * my_binmode _((FILE *, char)); |
748a9306 |
462 | struct passwd * my_getpwnam _((char *name)); |
463 | struct passwd * my_getpwuid _((Uid_t uid)); |
464 | struct passwd * my_getpwent _(()); |
465 | void my_endpwent _(()); |
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466 | char * my_getlogin _(()); |
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467 | int rmscopy _((char *, char *, int)); |
c07a80fd |
468 | typedef char __VMS_SEPYTOTORP__; |
469 | /* prototype section end marker; `typedef' passes through cpp */ |
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470 | |
471 | #ifndef VMS_DO_SOCKETS |
748a9306 |
472 | /* This relies on tricks in perl.h to pick up that these manifest constants |
473 | * are undefined and set up conversion routines. It will then redefine |
474 | * these manifest constants, so the actual values will match config.h |
475 | */ |
476 | #undef HAS_HTONS |
477 | #undef HAS_NTOHS |
478 | #undef HAS_HTONL |
479 | #undef HAS_NTOHL |
a0d0e21e |
480 | #endif |
481 | |
482b294c |
482 | #define TMPPATH "sys$scratch:perl-eXXXXXX" |
483 | |
a0d0e21e |
484 | #endif /* __vmsish_h_included */ |