| Commit | Line | Data |
|---|
| 18f68570 |
1 | #define PERL_NO_GET_CONTEXT |
| 2 | #define WIN32_LEAN_AND_MEAN |
| 3 | #define WIN32IO_IS_STDIO |
| 4 | #include <tchar.h> |
| 5 | #ifdef __GNUC__ |
| 6 | #define Win32_Winsock |
| 7 | #endif |
| 8 | #include <windows.h> |
| 9 | #include <cewin32.h> |
| 10 | |
| 11 | #include <sys/stat.h> |
| 12 | #include "EXTERN.h" |
| 13 | #include "perl.h" |
| 14 | |
| 15 | #ifdef PERLIO_LAYERS |
| 16 | |
| 17 | #include "perliol.h" |
| 18 | |
| 19 | #define NO_XSLOCKS |
| 20 | #include "XSUB.h" |
| 21 | |
| 22 | |
| 23 | /* Bottom-most level for Win32 case */ |
| 24 | |
| 25 | typedef struct |
| 26 | { |
| 27 | struct _PerlIO base; /* The generic part */ |
| 28 | HANDLE h; /* OS level handle */ |
| 29 | IV refcnt; /* REFCNT for the "fd" this represents */ |
| 30 | int fd; /* UNIX like file descriptor - index into fdtable */ |
| 31 | } PerlIOWin32; |
| 32 | |
| 33 | PerlIOWin32 *fdtable[256]; |
| 34 | IV max_open_fd = -1; |
| 35 | |
| 36 | IV |
| 37 | PerlIOWin32_popped(pTHX_ PerlIO *f) |
| 38 | { |
| 39 | PerlIOWin32 *s = PerlIOSelf(f,PerlIOWin32); |
| 40 | if (--s->refcnt > 0) |
| 41 | { |
| 42 | *f = PerlIOBase(f)->next; |
| 43 | return 1; |
| 44 | } |
| 45 | fdtable[s->fd] = NULL; |
| 46 | return 0; |
| 47 | } |
| 48 | |
| 49 | IV |
| 50 | PerlIOWin32_fileno(pTHX_ PerlIO *f) |
| 51 | { |
| 52 | return PerlIOSelf(f,PerlIOWin32)->fd; |
| 53 | } |
| 54 | |
| 55 | IV |
| aebd5ec7 |
56 | PerlIOWin32_pushed(pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
| 18f68570 |
57 | { |
| aebd5ec7 |
58 | IV code = PerlIOBase_pushed(aTHX_ f,mode,arg,tab); |
| 18f68570 |
59 | if (*PerlIONext(f)) |
| 60 | { |
| 61 | PerlIOWin32 *s = PerlIOSelf(f,PerlIOWin32); |
| 62 | s->fd = PerlIO_fileno(PerlIONext(f)); |
| 63 | } |
| 64 | PerlIOBase(f)->flags |= PERLIO_F_OPEN; |
| 65 | return code; |
| 66 | } |
| 67 | |
| 68 | PerlIO * |
| 69 | PerlIOWin32_open(pTHX_ PerlIO_funcs *self, PerlIO_list_t *layers, IV n, const char *mode, int fd, int imode, int perm, PerlIO *f, int narg, SV **args) |
| 70 | { |
| 71 | const char *tmode = mode; |
| 72 | HANDLE h = INVALID_HANDLE_VALUE; |
| 73 | if (f) |
| 74 | { |
| 75 | /* Close if already open */ |
| 76 | if (PerlIOBase(f)->flags & PERLIO_F_OPEN) |
| 77 | (*PerlIOBase(f)->tab->Close)(aTHX_ f); |
| 78 | } |
| 79 | if (narg > 0) |
| 80 | { |
| 81 | char *path = SvPV_nolen(*args); |
| 82 | DWORD access = 0; |
| 83 | DWORD share = 0; |
| 84 | DWORD create = -1; |
| 85 | DWORD attr = FILE_ATTRIBUTE_NORMAL; |
| 86 | if (*mode == '#') |
| 87 | { |
| 88 | /* sysopen - imode is UNIX-like O_RDONLY etc. |
| 89 | - do_open has converted that back to string form in mode as well |
| 90 | - perm is UNIX like permissions |
| 91 | */ |
| 92 | mode++; |
| 93 | } |
| 94 | else |
| 95 | { |
| 96 | /* Normal open - decode mode string */ |
| 97 | } |
| 98 | switch(*mode) |
| 99 | { |
| 100 | case 'r': |
| 101 | access = GENERIC_READ; |
| 102 | create = OPEN_EXISTING; |
| 103 | if (*++mode == '+') |
| 104 | { |
| 105 | access |= GENERIC_WRITE; |
| 106 | create = OPEN_ALWAYS; |
| 107 | mode++; |
| 108 | } |
| 109 | break; |
| 110 | |
| 111 | case 'w': |
| 112 | access = GENERIC_WRITE; |
| 113 | create = TRUNCATE_EXISTING; |
| 114 | if (*++mode == '+') |
| 115 | { |
| 116 | access |= GENERIC_READ; |
| 117 | mode++; |
| 118 | } |
| 119 | break; |
| 120 | |
| 121 | case 'a': |
| 122 | access = GENERIC_WRITE; |
| 123 | create = OPEN_ALWAYS; |
| 124 | if (*++mode == '+') |
| 125 | { |
| 126 | access |= GENERIC_READ; |
| 127 | mode++; |
| 128 | } |
| 129 | break; |
| 130 | } |
| 131 | if (*mode == 'b') |
| 132 | { |
| 133 | mode++; |
| 134 | } |
| 135 | else if (*mode == 't') |
| 136 | { |
| 137 | mode++; |
| 138 | } |
| 139 | if (*mode || create == -1) |
| 140 | { |
| 141 | //FIX-ME: SETERRNO(EINVAL,LIB$_INVARG); |
| 142 | XCEMessageBoxA(NULL, "NEED TO IMPLEMENT a place in ../wince/win32io.c", "Perl(developer)", 0); |
| 143 | return NULL; |
| 144 | } |
| 145 | if (!(access & GENERIC_WRITE)) |
| 146 | share = FILE_SHARE_READ; |
| 147 | h = CreateFileW(path,access,share,NULL,create,attr,NULL); |
| 148 | if (h == INVALID_HANDLE_VALUE) |
| 149 | { |
| 150 | if (create == TRUNCATE_EXISTING) |
| 151 | h = CreateFileW(path,access,share,NULL,(create = OPEN_ALWAYS),attr,NULL); |
| 152 | } |
| 153 | } |
| 154 | else |
| 155 | { |
| 156 | /* fd open */ |
| 157 | h = INVALID_HANDLE_VALUE; |
| 158 | if (fd >= 0 && fd <= max_open_fd) |
| 159 | { |
| 160 | PerlIOWin32 *s = fdtable[fd]; |
| 161 | if (s) |
| 162 | { |
| 163 | s->refcnt++; |
| 164 | if (!f) |
| 165 | f = PerlIO_allocate(aTHX); |
| 166 | *f = &s->base; |
| 167 | return f; |
| 168 | } |
| 169 | } |
| 170 | if (*mode == 'I') |
| 171 | { |
| 172 | mode++; |
| 173 | switch(fd) |
| 174 | { |
| 175 | case 0: |
| 176 | h = XCEGetStdHandle(STD_INPUT_HANDLE); |
| 177 | break; |
| 178 | case 1: |
| 179 | h = XCEGetStdHandle(STD_OUTPUT_HANDLE); |
| 180 | break; |
| 181 | case 2: |
| 182 | h = XCEGetStdHandle(STD_ERROR_HANDLE); |
| 183 | break; |
| 184 | } |
| 185 | } |
| 186 | } |
| 187 | if (h != INVALID_HANDLE_VALUE) |
| 188 | fd = win32_open_osfhandle((intptr_t) h, PerlIOUnix_oflags(tmode)); |
| 189 | if (fd >= 0) |
| 190 | { |
| 191 | PerlIOWin32 *s; |
| 192 | if (!f) |
| 193 | f = PerlIO_allocate(aTHX); |
| 194 | s = PerlIOSelf(PerlIO_push(aTHX_ f,self,tmode,PerlIOArg),PerlIOWin32); |
| 195 | s->h = h; |
| 196 | s->fd = fd; |
| 197 | s->refcnt = 1; |
| 198 | if (fd >= 0) |
| 199 | { |
| 200 | fdtable[fd] = s; |
| 201 | if (fd > max_open_fd) |
| 202 | max_open_fd = fd; |
| 203 | } |
| 204 | return f; |
| 205 | } |
| 206 | if (f) |
| 207 | { |
| 208 | /* FIXME: pop layers ??? */ |
| 209 | } |
| 210 | return NULL; |
| 211 | } |
| 212 | |
| 213 | SSize_t |
| 214 | PerlIOWin32_read(pTHX_ PerlIO *f, void *vbuf, Size_t count) |
| 215 | { |
| 216 | PerlIOWin32 *s = PerlIOSelf(f,PerlIOWin32); |
| 217 | DWORD len; |
| 218 | if (!(PerlIOBase(f)->flags & PERLIO_F_CANREAD)) |
| 219 | return 0; |
| 220 | if (ReadFile(s->h,vbuf,count,&len,NULL)) |
| 221 | { |
| 222 | return len; |
| 223 | } |
| 224 | else |
| 225 | { |
| 226 | if (GetLastError() != NO_ERROR) |
| 227 | { |
| 228 | PerlIOBase(f)->flags |= PERLIO_F_ERROR; |
| 229 | return -1; |
| 230 | } |
| 231 | else |
| 232 | { |
| 233 | if (count != 0) |
| 234 | PerlIOBase(f)->flags |= PERLIO_F_EOF; |
| 235 | return 0; |
| 236 | } |
| 237 | } |
| 238 | } |
| 239 | |
| 240 | SSize_t |
| 241 | PerlIOWin32_write(pTHX_ PerlIO *f, const void *vbuf, Size_t count) |
| 242 | { |
| 243 | PerlIOWin32 *s = PerlIOSelf(f,PerlIOWin32); |
| 244 | DWORD len; |
| 245 | if (WriteFile(s->h,vbuf,count,&len,NULL)) |
| 246 | { |
| 247 | return len; |
| 248 | } |
| 249 | else |
| 250 | { |
| 251 | PerlIOBase(f)->flags |= PERLIO_F_ERROR; |
| 252 | return -1; |
| 253 | } |
| 254 | } |
| 255 | |
| 256 | IV |
| 257 | PerlIOWin32_seek(pTHX_ PerlIO *f, Off_t offset, int whence) |
| 258 | { |
| 259 | static const DWORD where[3] = { FILE_BEGIN, FILE_CURRENT, FILE_END }; |
| 260 | PerlIOWin32 *s = PerlIOSelf(f,PerlIOWin32); |
| 261 | DWORD high = (sizeof(offset) > sizeof(DWORD)) ? (DWORD)(offset >> 32) : 0; |
| 262 | DWORD low = (DWORD) offset; |
| 263 | DWORD res = SetFilePointer(s->h,low,&high,where[whence]); |
| 264 | if (res != 0xFFFFFFFF || GetLastError() != NO_ERROR) |
| 265 | { |
| 266 | return 0; |
| 267 | } |
| 268 | else |
| 269 | { |
| 270 | return -1; |
| 271 | } |
| 272 | } |
| 273 | |
| 274 | Off_t |
| 275 | PerlIOWin32_tell(pTHX_ PerlIO *f) |
| 276 | { |
| 277 | PerlIOWin32 *s = PerlIOSelf(f,PerlIOWin32); |
| 278 | DWORD high = 0; |
| 279 | DWORD res = SetFilePointer(s->h,0,&high,FILE_CURRENT); |
| 280 | if (res != 0xFFFFFFFF || GetLastError() != NO_ERROR) |
| 281 | { |
| 282 | return ((Off_t) high << 32) | res; |
| 283 | } |
| 284 | return (Off_t) -1; |
| 285 | } |
| 286 | |
| 287 | IV |
| 288 | PerlIOWin32_close(pTHX_ PerlIO *f) |
| 289 | { |
| 290 | PerlIOWin32 *s = PerlIOSelf(f,PerlIOWin32); |
| 291 | if (s->refcnt == 1) |
| 292 | { |
| f4257e4d |
293 | IV code = 0; |
| 814ffeea |
294 | #if 0 |
| f4257e4d |
295 | /* This does not do pipes etc. correctly */ |
| 814ffeea |
296 | if (!CloseHandle(s->h)) |
| 18f68570 |
297 | { |
| 298 | s->h = INVALID_HANDLE_VALUE; |
| 299 | return -1; |
| 300 | } |
| 814ffeea |
301 | #else |
| 302 | PerlIOBase(f)->flags &= ~PERLIO_F_OPEN; |
| 303 | return win32_close(s->fd); |
| 304 | #endif |
| 18f68570 |
305 | } |
| 18f68570 |
306 | return 0; |
| 307 | } |
| 308 | |
| 309 | PerlIO * |
| 310 | PerlIOWin32_dup(pTHX_ PerlIO *f, PerlIO *o, CLONE_PARAMS *params, int flags) |
| 311 | { |
| 312 | PerlIOWin32 *os = PerlIOSelf(f,PerlIOWin32); |
| 313 | HANDLE proc = GetCurrentProcess(); |
| 814ffeea |
314 | HANDLE new; |
| 315 | if (DuplicateHandle(proc, os->h, proc, &new, 0, FALSE, DUPLICATE_SAME_ACCESS)) |
| 18f68570 |
316 | { |
| 317 | char mode[8]; |
| 318 | int fd = win32_open_osfhandle((intptr_t) new, PerlIOUnix_oflags(PerlIO_modestr(o,mode))); |
| 814ffeea |
319 | if (fd >= 0) |
| 18f68570 |
320 | { |
| 321 | f = PerlIOBase_dup(aTHX_ f, o, params, flags); |
| 814ffeea |
322 | if (f) |
| 18f68570 |
323 | { |
| 324 | PerlIOWin32 *fs = PerlIOSelf(f,PerlIOWin32); |
| 325 | fs->h = new; |
| 326 | fs->fd = fd; |
| 327 | fs->refcnt = 1; |
| 328 | fdtable[fd] = fs; |
| 329 | if (fd > max_open_fd) |
| 330 | max_open_fd = fd; |
| 331 | } |
| 332 | else |
| 333 | { |
| 334 | win32_close(fd); |
| 335 | } |
| 336 | } |
| 337 | else |
| 338 | { |
| 339 | CloseHandle(new); |
| 340 | } |
| 341 | } |
| 342 | return f; |
| 343 | } |
| 344 | |
| 345 | PerlIO_funcs PerlIO_win32 = { |
| 216db7ee |
346 | sizeof(PerlIO_funcs), |
| 18f68570 |
347 | "win32", |
| 348 | sizeof(PerlIOWin32), |
| 349 | PERLIO_K_RAW, |
| 350 | PerlIOWin32_pushed, |
| 351 | PerlIOWin32_popped, |
| 352 | PerlIOWin32_open, |
| 216db7ee |
353 | PerlIOBase_binmode, |
| 18f68570 |
354 | NULL, /* getarg */ |
| 355 | PerlIOWin32_fileno, |
| 356 | PerlIOWin32_dup, |
| 357 | PerlIOWin32_read, |
| 358 | PerlIOBase_unread, |
| 359 | PerlIOWin32_write, |
| 360 | PerlIOWin32_seek, |
| 361 | PerlIOWin32_tell, |
| 362 | PerlIOWin32_close, |
| 363 | PerlIOBase_noop_ok, /* flush */ |
| 364 | PerlIOBase_noop_fail, /* fill */ |
| 365 | PerlIOBase_eof, |
| 366 | PerlIOBase_error, |
| 367 | PerlIOBase_clearerr, |
| 368 | PerlIOBase_setlinebuf, |
| 369 | NULL, /* get_base */ |
| 370 | NULL, /* get_bufsiz */ |
| 371 | NULL, /* get_ptr */ |
| 372 | NULL, /* get_cnt */ |
| 373 | NULL, /* set_ptrcnt */ |
| 374 | }; |
| 375 | |
| 18f68570 |
376 | #endif |
| 814ffeea |
377 | |
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