| 1 |
/* |
| 2 |
* Copyright (c) 2020-2022 joshua stein <jcs@jcs.org> |
| 3 |
* Copyright (c) 1998, 2015 Todd C. Miller <millert@openbsd.org> |
| 4 |
* Copyright (c) 1990, 1993 |
| 5 |
* The Regents of the University of California. All rights reserved. |
| 6 |
* |
| 7 |
* Permission to use, copy, modify, and distribute this software for any |
| 8 |
* purpose with or without fee is hereby granted, provided that the above |
| 9 |
* copyright notice and this permission notice appear in all copies. |
| 10 |
* |
| 11 |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 12 |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 13 |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 14 |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 15 |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 16 |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 17 |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 18 |
*/ |
| 19 |
|
| 20 |
/* THINK C Project must have a header of "#include <MacHeaders>" */ |
| 21 |
|
| 22 |
#include <stdarg.h> |
| 23 |
#include <stdio.h> |
| 24 |
#include <stdlib.h> |
| 25 |
#include <string.h> |
| 26 |
#include <GestaltEqu.h> |
| 27 |
#include <Script.h> |
| 28 |
#include <SetUpA4.h> |
| 29 |
#include "util.h" |
| 30 |
|
| 31 |
/* |
| 32 |
* Define to enable malloc debugging which creates an allocation larger |
| 33 |
* than the requested size, then embeds the allocated size and 2 canary |
| 34 |
* bytes before and after the allocation. On xfree(), the canary bytes |
| 35 |
* are verified and if any are not correct, the program panics. |
| 36 |
*/ |
| 37 |
/* #define MALLOC_DEBUG 1 */ |
| 38 |
|
| 39 |
/* ALRT resources */ |
| 40 |
#define ASK_ALERT_ID 130 |
| 41 |
|
| 42 |
#define ERROR_STRING_SIZE 1024 |
| 43 |
static char err_str[ERROR_STRING_SIZE]; |
| 44 |
|
| 45 |
/* basic DITL with an ok button (1), text area (2), and icon (3) */ |
| 46 |
#define ALERT_DITL_OK 1 |
| 47 |
#define ALERT_DITL_ICON 3 |
| 48 |
static const char alert_ditl[] = { |
| 49 |
0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4E, |
| 50 |
0x00, 0xFA, 0x00, 0x64, 0x01, 0x34, 0x04, 0x02, |
| 51 |
0x4F, 0x4B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0D, |
| 52 |
0x00, 0x4E, 0x00, 0x41, 0x01, 0x36, 0x08, 0x02, |
| 53 |
0x5E, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0D, |
| 54 |
0x00, 0x17, 0x00, 0x2D, 0x00, 0x37, 0xA0, 0x02, |
| 55 |
0x00, 0x01 |
| 56 |
}; |
| 57 |
static Handle alert_ditl_h = NULL; |
| 58 |
|
| 59 |
/* ICN# to show for APPICON_ALERT */ |
| 60 |
#define APPICON_ICN_ID 128 |
| 61 |
|
| 62 |
/* DITL with a Yes button (1), No button (2), text (3), and icon (4) */ |
| 63 |
static const char ask_ditl[] = { |
| 64 |
0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46, |
| 65 |
0x00, 0xE6, 0x00, 0x5A, 0x01, 0x20, 0x04, 0x03, |
| 66 |
0x59, 0x65, 0x73, 0x21, 0x00, 0x00, 0x00, 0x00, |
| 67 |
0x00, 0x46, 0x00, 0xA0, 0x00, 0x5A, 0x00, 0xDA, |
| 68 |
0x04, 0x02, 0x4E, 0x6F, 0x00, 0x00, 0x00, 0x00, |
| 69 |
0x00, 0x0A, 0x00, 0x32, 0x00, 0x41, 0x01, 0x22, |
| 70 |
0x08, 0x02, 0x5E, 0x30, 0x00, 0x00, 0x00, 0x00, |
| 71 |
0x00, 0x0A, 0x00, 0x0A, 0x00, 0x2A, 0x00, 0x2A, |
| 72 |
0xA0, 0x02, 0x00, 0x01 |
| 73 |
}; |
| 74 |
static Handle ask_ditl_h = NULL; |
| 75 |
|
| 76 |
/* DITL with just a text view */ |
| 77 |
static const char progress_ditl[] = { |
| 78 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x14, |
| 79 |
0x00, 0x1E, 0x00, 0x32, 0x01, 0x3B, 0x08, 0x02, |
| 80 |
0x5E, 0x30 |
| 81 |
}; |
| 82 |
static Handle progress_ditl_h = NULL; |
| 83 |
static DialogPtr progress_dialog = NULL; |
| 84 |
|
| 85 |
static TEHandle track_control_te = NULL; |
| 86 |
|
| 87 |
static DCtlPtr _da_dce = NULL; |
| 88 |
|
| 89 |
enum { |
| 90 |
STOP_ALERT, |
| 91 |
CAUTION_ALERT, |
| 92 |
NOTE_ALERT, |
| 93 |
APPICON_ALERT |
| 94 |
}; |
| 95 |
|
| 96 |
void vwarn(short alert_func, const char *format, va_list ap); |
| 97 |
|
| 98 |
/* |
| 99 |
* Util helper needed to be called at program startup, to pre-allocate |
| 100 |
* some things that we can't do during errors. |
| 101 |
*/ |
| 102 |
|
| 103 |
void |
| 104 |
util_init(DCtlPtr da_dce) |
| 105 |
{ |
| 106 |
_da_dce = da_dce; |
| 107 |
|
| 108 |
alert_ditl_h = xNewHandle(sizeof(alert_ditl)); |
| 109 |
if (alert_ditl_h == NULL) |
| 110 |
ExitToShell(); |
| 111 |
HLock(alert_ditl_h); |
| 112 |
memcpy(*alert_ditl_h, alert_ditl, sizeof(alert_ditl)); |
| 113 |
HUnlock(alert_ditl_h); |
| 114 |
} |
| 115 |
|
| 116 |
/* |
| 117 |
* Memory functions |
| 118 |
*/ |
| 119 |
|
| 120 |
#define MUL_NO_OVERFLOW ((size_t)1 << (sizeof(size_t) * 4)) |
| 121 |
|
| 122 |
void * |
| 123 |
xmalloc(size_t size) |
| 124 |
{ |
| 125 |
#ifdef MALLOC_DEBUG |
| 126 |
void *ptr; |
| 127 |
unsigned char *cptr; |
| 128 |
#endif |
| 129 |
|
| 130 |
if (size == 0) |
| 131 |
panic("xmalloc: zero size"); |
| 132 |
|
| 133 |
#ifdef MALLOC_DEBUG |
| 134 |
ptr = NewPtr(size + 8); |
| 135 |
|
| 136 |
cptr = (unsigned char *)ptr; |
| 137 |
cptr[0] = 0xff; |
| 138 |
cptr[1] = 0xff; |
| 139 |
cptr[2] = (size >> 24) & 0xff; |
| 140 |
cptr[3] = (size >> 16) & 0xff; |
| 141 |
cptr[4] = (size >> 8) & 0xff; |
| 142 |
cptr[5] = size & 0xff; |
| 143 |
|
| 144 |
cptr[6 + size] = 0xff; |
| 145 |
cptr[6 + size + 1] = 0xff; |
| 146 |
|
| 147 |
return cptr + 6; |
| 148 |
#else |
| 149 |
return NewPtr(size); |
| 150 |
#endif |
| 151 |
} |
| 152 |
|
| 153 |
void |
| 154 |
xfree(void *ptrptr) |
| 155 |
{ |
| 156 |
unsigned long *addr = (unsigned long *)ptrptr; |
| 157 |
#ifdef MALLOC_DEBUG |
| 158 |
size_t size; |
| 159 |
unsigned char *cptr; |
| 160 |
#endif |
| 161 |
void *ptr; |
| 162 |
|
| 163 |
if (ptrptr == NULL) |
| 164 |
panic("xfree(NULL)"); |
| 165 |
|
| 166 |
ptr = (void *)*addr; |
| 167 |
if (ptr == NULL) |
| 168 |
panic("xfree(&NULL) likely a double-free"); |
| 169 |
|
| 170 |
#ifdef MALLOC_DEBUG |
| 171 |
cptr = (unsigned char *)ptr - 6; |
| 172 |
if (cptr[0] != 0xff || cptr[1] != 0xff) |
| 173 |
panic("xfree() pre-buf canary dead"); |
| 174 |
|
| 175 |
size = ((unsigned long)(cptr[2]) << 24) | |
| 176 |
((unsigned long)(cptr[3]) << 16) | |
| 177 |
((unsigned long)(cptr[4]) << 8) | |
| 178 |
(unsigned long)(cptr[5]); |
| 179 |
|
| 180 |
if (cptr[6 + size] != 0xff || cptr[6 + size + 1] != 0xff) |
| 181 |
panic("xfree() post-buf canary dead"); |
| 182 |
|
| 183 |
DisposePtr(cptr); |
| 184 |
#else |
| 185 |
DisposePtr(ptr); |
| 186 |
#endif |
| 187 |
|
| 188 |
*addr = 0L; |
| 189 |
} |
| 190 |
|
| 191 |
void * |
| 192 |
xmalloczero(size_t size) |
| 193 |
{ |
| 194 |
void *ptr; |
| 195 |
|
| 196 |
ptr = xmalloc(size); |
| 197 |
if (ptr != NULL) |
| 198 |
memset(ptr, 0, size); |
| 199 |
|
| 200 |
return ptr; |
| 201 |
} |
| 202 |
|
| 203 |
void * |
| 204 |
xcalloc(size_t nmemb, size_t size) |
| 205 |
{ |
| 206 |
if ((nmemb >= MUL_NO_OVERFLOW || size >= MUL_NO_OVERFLOW) && |
| 207 |
nmemb > 0 && SIZE_MAX / nmemb < size) |
| 208 |
panic("xcalloc(%lu, %lu) overflow", nmemb, size); |
| 209 |
|
| 210 |
return xmalloczero(nmemb * size); |
| 211 |
} |
| 212 |
|
| 213 |
void * |
| 214 |
xrealloc(void *src, size_t size) |
| 215 |
{ |
| 216 |
void *ptr, *tsrc; |
| 217 |
|
| 218 |
ptr = xmalloc(size); |
| 219 |
if (ptr != NULL && src != NULL) { |
| 220 |
memcpy(ptr, src, size); |
| 221 |
tsrc = src; |
| 222 |
xfree(&tsrc); |
| 223 |
} |
| 224 |
|
| 225 |
return ptr; |
| 226 |
} |
| 227 |
|
| 228 |
void * |
| 229 |
xreallocarray(void *optr, size_t nmemb, size_t size) |
| 230 |
{ |
| 231 |
if ((nmemb >= MUL_NO_OVERFLOW || size >= MUL_NO_OVERFLOW) && |
| 232 |
nmemb > 0 && SIZE_MAX / nmemb < size) |
| 233 |
panic("xreallocarray(%lu, %lu) failed", nmemb, size); |
| 234 |
|
| 235 |
return xrealloc(optr, size * nmemb); |
| 236 |
} |
| 237 |
|
| 238 |
char * |
| 239 |
xstrdup(const char *str) |
| 240 |
{ |
| 241 |
char *cp; |
| 242 |
size_t len; |
| 243 |
|
| 244 |
len = strlen(str); |
| 245 |
cp = xmalloc(len + 1); |
| 246 |
if (cp != NULL) |
| 247 |
strlcpy(cp, str, len + 1); |
| 248 |
|
| 249 |
return cp; |
| 250 |
} |
| 251 |
|
| 252 |
char * |
| 253 |
xstrndup(const char *str, size_t maxlen) |
| 254 |
{ |
| 255 |
char *copy; |
| 256 |
const char *cp; |
| 257 |
size_t len; |
| 258 |
|
| 259 |
/* strnlen */ |
| 260 |
for (cp = str; maxlen != 0 && *cp != '\0'; cp++, maxlen--) |
| 261 |
; |
| 262 |
|
| 263 |
len = (size_t)(cp - str); |
| 264 |
copy = xmalloc(len + 1); |
| 265 |
if (copy != NULL) { |
| 266 |
(void)memcpy(copy, str, len); |
| 267 |
copy[len] = '\0'; |
| 268 |
} |
| 269 |
|
| 270 |
return copy; |
| 271 |
} |
| 272 |
|
| 273 |
/* if var having used_size can't fit add, grow it by grow_amount */ |
| 274 |
bool |
| 275 |
grow_to_fit(void *var, size_t *var_size, size_t used_size, size_t add, |
| 276 |
size_t grow_amount) |
| 277 |
{ |
| 278 |
char **p = var; |
| 279 |
char *curp = *p; |
| 280 |
char *newp; |
| 281 |
size_t new_size; |
| 282 |
|
| 283 |
if (used_size + add < *var_size) |
| 284 |
return true; |
| 285 |
|
| 286 |
new_size = *var_size; |
| 287 |
while (new_size < used_size + add) |
| 288 |
new_size += grow_amount; |
| 289 |
|
| 290 |
newp = xrealloc(curp, new_size); |
| 291 |
if (newp == NULL) |
| 292 |
return false; |
| 293 |
|
| 294 |
*var_size = new_size; |
| 295 |
*p = newp; |
| 296 |
|
| 297 |
return true; |
| 298 |
} |
| 299 |
|
| 300 |
/* |
| 301 |
* String functions |
| 302 |
*/ |
| 303 |
|
| 304 |
short |
| 305 |
getline(char *str, size_t len, char **ret) |
| 306 |
{ |
| 307 |
short i; |
| 308 |
|
| 309 |
for (i = 0; i < len; i++) { |
| 310 |
if (str[i] == '\r' || i == len - 1) { |
| 311 |
if (*ret == NULL) { |
| 312 |
*ret = xmalloc(i + 1); |
| 313 |
if (*ret == NULL) |
| 314 |
return -1; |
| 315 |
} |
| 316 |
memcpy(*ret, str, i + 1); |
| 317 |
(*ret)[i] = '\0'; |
| 318 |
return i + 1; |
| 319 |
} |
| 320 |
} |
| 321 |
|
| 322 |
return 0; |
| 323 |
} |
| 324 |
|
| 325 |
const char * |
| 326 |
ordinal(unsigned short n) |
| 327 |
{ |
| 328 |
switch (n % 100) { |
| 329 |
case 11: |
| 330 |
case 12: |
| 331 |
case 13: |
| 332 |
return "th"; |
| 333 |
default: |
| 334 |
switch (n % 10) { |
| 335 |
case 1: |
| 336 |
return "st"; |
| 337 |
case 2: |
| 338 |
return "nd"; |
| 339 |
case 3: |
| 340 |
return "rd"; |
| 341 |
default: |
| 342 |
return "th"; |
| 343 |
} |
| 344 |
} |
| 345 |
} |
| 346 |
|
| 347 |
size_t |
| 348 |
rtrim(char *str, char *chars) |
| 349 |
{ |
| 350 |
size_t len, rlen, n, j; |
| 351 |
|
| 352 |
rlen = len = strlen(str); |
| 353 |
|
| 354 |
for (n = len; n > 0; n--) { |
| 355 |
for (j = 0; chars[j] != '\0'; j++) { |
| 356 |
if (str[n - 1] == chars[j]) { |
| 357 |
rlen--; |
| 358 |
str[n - 1] = '\0'; |
| 359 |
goto next_in_str; |
| 360 |
} |
| 361 |
} |
| 362 |
|
| 363 |
break; |
| 364 |
next_in_str: |
| 365 |
continue; |
| 366 |
} |
| 367 |
|
| 368 |
return rlen; |
| 369 |
} |
| 370 |
|
| 371 |
long |
| 372 |
strpos_quoted(char *str, char c) |
| 373 |
{ |
| 374 |
long pos; |
| 375 |
unsigned char quot = 0; |
| 376 |
|
| 377 |
for (pos = 0; str[pos] != '\0'; pos++) { |
| 378 |
if (quot) { |
| 379 |
if (str[pos] == '\\') { |
| 380 |
pos++; |
| 381 |
continue; |
| 382 |
} |
| 383 |
if (str[pos] == quot) |
| 384 |
quot = 0; |
| 385 |
continue; |
| 386 |
} else { |
| 387 |
if (str[pos] == '"') { |
| 388 |
quot = str[pos]; |
| 389 |
continue; |
| 390 |
} |
| 391 |
if (str[pos] == c) |
| 392 |
return pos; |
| 393 |
} |
| 394 |
} |
| 395 |
|
| 396 |
return -1; |
| 397 |
} |
| 398 |
|
| 399 |
char * |
| 400 |
OSTypeToString(OSType type) |
| 401 |
{ |
| 402 |
static char ostype_s[5]; |
| 403 |
|
| 404 |
ostype_s[0] = (unsigned char)((type >> 24) & 0xff); |
| 405 |
ostype_s[1] = (unsigned char)((type >> 16) & 0xff); |
| 406 |
ostype_s[2] = (unsigned char)((type >> 8) & 0xff); |
| 407 |
ostype_s[3] = (unsigned char)(type & 0xff); |
| 408 |
ostype_s[4] = 0; |
| 409 |
|
| 410 |
return ostype_s; |
| 411 |
} |
| 412 |
|
| 413 |
/* |
| 414 |
* BSD err(3) and warn(3) functions |
| 415 |
*/ |
| 416 |
|
| 417 |
void |
| 418 |
vwarn(short alert_func, const char *format, va_list ap) |
| 419 |
{ |
| 420 |
Rect bounds; |
| 421 |
short hit, itype; |
| 422 |
WindowPtr win, dialog; |
| 423 |
Handle ihandle; |
| 424 |
Rect irect; |
| 425 |
|
| 426 |
GetPort(&win); |
| 427 |
|
| 428 |
vsnprintf(err_str, ERROR_STRING_SIZE, format, ap); |
| 429 |
|
| 430 |
ParamText(CtoPstr(err_str), "\p", "\p", "\p"); |
| 431 |
|
| 432 |
center_in_screen(320, 110, false, &bounds); |
| 433 |
dialog = NewDialog(nil, &bounds, "\p", false, dBoxProc, |
| 434 |
(WindowPtr)-1L, false, 0, alert_ditl_h); |
| 435 |
|
| 436 |
GetDItem(dialog, ALERT_DITL_ICON, &itype, &ihandle, &irect); |
| 437 |
switch (alert_func) { |
| 438 |
case CAUTION_ALERT: |
| 439 |
ihandle = GetIcon(cautionIcon); |
| 440 |
break; |
| 441 |
case NOTE_ALERT: |
| 442 |
ihandle = GetIcon(noteIcon); |
| 443 |
break; |
| 444 |
case APPICON_ALERT: |
| 445 |
ihandle = GetResource('ICN#', OwnedResourceID(APPICON_ICN_ID)); |
| 446 |
if (ihandle) |
| 447 |
break; |
| 448 |
default: |
| 449 |
ihandle = GetIcon(stopIcon); |
| 450 |
} |
| 451 |
SetDItem(dialog, ALERT_DITL_ICON, itype, ihandle, &irect); |
| 452 |
|
| 453 |
ShowWindow(dialog); |
| 454 |
|
| 455 |
for (;;) { |
| 456 |
ModalDialog(0, &hit); |
| 457 |
if (hit == ok) |
| 458 |
break; |
| 459 |
} |
| 460 |
ReleaseResource(ihandle); |
| 461 |
DisposDialog(dialog); |
| 462 |
|
| 463 |
/* |
| 464 |
* Pre-allocate for the next one while we have memory. We can't use |
| 465 |
* xNewHandle because we might already be alerting about an OOM |
| 466 |
* condition. |
| 467 |
*/ |
| 468 |
DisposHandle(alert_ditl_h); |
| 469 |
alert_ditl_h = NewHandle(sizeof(alert_ditl)); |
| 470 |
if (alert_ditl_h == NULL) |
| 471 |
ExitToShell(); |
| 472 |
HLock(alert_ditl_h); |
| 473 |
memcpy(*alert_ditl_h, alert_ditl, sizeof(alert_ditl)); |
| 474 |
HUnlock(alert_ditl_h); |
| 475 |
|
| 476 |
SetPort(win); |
| 477 |
} |
| 478 |
|
| 479 |
void |
| 480 |
panic(const char *format, ...) |
| 481 |
{ |
| 482 |
va_list ap; |
| 483 |
|
| 484 |
va_start(ap, format); |
| 485 |
vwarn(STOP_ALERT, format, ap); |
| 486 |
va_end(ap); |
| 487 |
|
| 488 |
ExitToShell(); |
| 489 |
} |
| 490 |
|
| 491 |
void |
| 492 |
err(short ret, const char *format, ...) |
| 493 |
{ |
| 494 |
va_list ap; |
| 495 |
|
| 496 |
va_start(ap, format); |
| 497 |
vwarn(STOP_ALERT, format, ap); |
| 498 |
va_end(ap); |
| 499 |
|
| 500 |
ExitToShell(); |
| 501 |
} |
| 502 |
|
| 503 |
void |
| 504 |
warn(const char *format, ...) |
| 505 |
{ |
| 506 |
va_list ap; |
| 507 |
|
| 508 |
va_start(ap, format); |
| 509 |
vwarn(CAUTION_ALERT, format, ap); |
| 510 |
va_end(ap); |
| 511 |
} |
| 512 |
|
| 513 |
void |
| 514 |
warnx(const char *format, ...) |
| 515 |
{ |
| 516 |
va_list ap; |
| 517 |
|
| 518 |
va_start(ap, format); |
| 519 |
vwarn(CAUTION_ALERT, format, ap); |
| 520 |
va_end(ap); |
| 521 |
} |
| 522 |
|
| 523 |
void |
| 524 |
note(const char *format, ...) |
| 525 |
{ |
| 526 |
va_list ap; |
| 527 |
|
| 528 |
va_start(ap, format); |
| 529 |
vwarn(NOTE_ALERT, format, ap); |
| 530 |
va_end(ap); |
| 531 |
} |
| 532 |
|
| 533 |
void |
| 534 |
appicon_note(const char *format, ...) |
| 535 |
{ |
| 536 |
va_list ap; |
| 537 |
|
| 538 |
va_start(ap, format); |
| 539 |
vwarn(APPICON_ALERT, format, ap); |
| 540 |
va_end(ap); |
| 541 |
} |
| 542 |
|
| 543 |
short |
| 544 |
ask(const char *format, ...) |
| 545 |
{ |
| 546 |
Rect bounds; |
| 547 |
short hit; |
| 548 |
WindowPtr win, dialog; |
| 549 |
va_list ap; |
| 550 |
|
| 551 |
GetPort(&win); |
| 552 |
|
| 553 |
va_start(ap, format); |
| 554 |
vsnprintf(err_str, ERROR_STRING_SIZE, format, ap); |
| 555 |
va_end(ap); |
| 556 |
|
| 557 |
ParamText(CtoPstr(err_str), "\p", "\p", "\p"); |
| 558 |
|
| 559 |
ask_ditl_h = xNewHandle(sizeof(ask_ditl)); |
| 560 |
HLock(ask_ditl_h); |
| 561 |
memcpy(*ask_ditl_h, ask_ditl, sizeof(ask_ditl)); |
| 562 |
HUnlock(ask_ditl_h); |
| 563 |
|
| 564 |
center_in_screen(300, 100, false, &bounds); |
| 565 |
dialog = NewDialog(nil, &bounds, "\p", false, dBoxProc, |
| 566 |
(WindowPtr)-1L, false, 0, ask_ditl_h); |
| 567 |
|
| 568 |
ShowWindow(dialog); |
| 569 |
for (;;) { |
| 570 |
ModalDialog(0, &hit); |
| 571 |
if (hit == 1 || hit == 2) |
| 572 |
break; |
| 573 |
} |
| 574 |
DisposDialog(dialog); |
| 575 |
DisposHandle(ask_ditl_h); |
| 576 |
|
| 577 |
SetPort(win); |
| 578 |
|
| 579 |
return (hit == 1); |
| 580 |
} |
| 581 |
|
| 582 |
void |
| 583 |
about(char *program_name) |
| 584 |
{ |
| 585 |
VersRecHndl vers; |
| 586 |
char vers_s[255]; |
| 587 |
char short_vers[255] = { 0 }; |
| 588 |
short vlen, n; |
| 589 |
|
| 590 |
if ((vers = (VersRecHndl)GetResource('vers', 1))) { |
| 591 |
/* |
| 592 |
* vers "long version string" is a pascal string after the |
| 593 |
* short version pascal string |
| 594 |
*/ |
| 595 |
HLock(vers); |
| 596 |
vlen = (*vers)->shortVersion[0]; |
| 597 |
memcpy(short_vers, (*vers)->shortVersion + vlen + 1, |
| 598 |
sizeof((*vers)->shortVersion) - vlen - 1); |
| 599 |
PtoCstr(short_vers); |
| 600 |
snprintf(vers_s, sizeof(vers_s), "%s %s", program_name, |
| 601 |
short_vers); |
| 602 |
for (n = 0; n < sizeof(vers_s); n++) { |
| 603 |
if (vers_s[n] == '©') { |
| 604 |
vers_s[n - 1] = '\r'; |
| 605 |
break; |
| 606 |
} |
| 607 |
} |
| 608 |
ReleaseResource(vers); |
| 609 |
appicon_note("%s", vers_s); |
| 610 |
} else |
| 611 |
warnx("Can't find version number!"); |
| 612 |
} |
| 613 |
|
| 614 |
void |
| 615 |
progress(char *format, ...) |
| 616 |
{ |
| 617 |
static Str255 progress_s; |
| 618 |
Handle thandle; |
| 619 |
va_list argptr; |
| 620 |
Rect bounds; |
| 621 |
Rect trect; |
| 622 |
short ttype; |
| 623 |
|
| 624 |
if (format == NULL) { |
| 625 |
if (progress_dialog != NULL) { |
| 626 |
DisposDialog(progress_dialog); |
| 627 |
DisposHandle(progress_ditl_h); |
| 628 |
progress_dialog = NULL; |
| 629 |
} |
| 630 |
return; |
| 631 |
} |
| 632 |
|
| 633 |
va_start(argptr, format); |
| 634 |
vsnprintf((char *)progress_s, 256, format, argptr); |
| 635 |
va_end(argptr); |
| 636 |
CtoPstr(progress_s); |
| 637 |
|
| 638 |
if (progress_dialog == NULL) { |
| 639 |
progress_ditl_h = xNewHandle(sizeof(progress_ditl)); |
| 640 |
HLock(progress_ditl_h); |
| 641 |
memcpy(*progress_ditl_h, progress_ditl, sizeof(progress_ditl)); |
| 642 |
HUnlock(progress_ditl_h); |
| 643 |
|
| 644 |
center_in_screen(330, 60, false, &bounds); |
| 645 |
progress_dialog = NewDialog(nil, &bounds, "\p", false, dBoxProc, |
| 646 |
(WindowPtr)-1L, false, 0, progress_ditl_h); |
| 647 |
} |
| 648 |
|
| 649 |
GetDItem(progress_dialog, 1, &ttype, &thandle, &trect); |
| 650 |
SetIText(thandle, progress_s); |
| 651 |
|
| 652 |
ShowWindow(progress_dialog); |
| 653 |
DrawDialog(progress_dialog); |
| 654 |
} |
| 655 |
|
| 656 |
void |
| 657 |
window_rect(WindowPtr win, Rect *ret) |
| 658 |
{ |
| 659 |
*ret = (*(((WindowPeek)win)->strucRgn))->rgnBBox; |
| 660 |
ret->left += 1; |
| 661 |
ret->right -= 2; |
| 662 |
ret->top -= 1; |
| 663 |
ret->bottom -= 1; |
| 664 |
} |
| 665 |
|
| 666 |
void |
| 667 |
center_in_screen(short width, short height, bool titlebar, Rect *b) |
| 668 |
{ |
| 669 |
GrafPtr tport; |
| 670 |
Rect bounds; |
| 671 |
|
| 672 |
/* screenBits is not available from a DA */ |
| 673 |
tport = (GrafPtr)NewPtr(sizeof(GrafPort)); |
| 674 |
OpenPort(tport); |
| 675 |
|
| 676 |
b->left = ((tport->portRect.right - tport->portRect.left) / 2) - |
| 677 |
(width / 2); |
| 678 |
b->top = ((tport->portRect.bottom - tport->portRect.top) / 2) - |
| 679 |
(height / 2) + (titlebar ? GetMBarHeight() : 0); |
| 680 |
b->right = b->left + width; |
| 681 |
b->bottom = b->top + height; |
| 682 |
|
| 683 |
ClosePort(tport); |
| 684 |
} |
| 685 |
|
| 686 |
Point |
| 687 |
centered_sfget_dialog(void) |
| 688 |
{ |
| 689 |
Point p; |
| 690 |
Rect r; |
| 691 |
|
| 692 |
center_in_screen(364, 216, false, &r); |
| 693 |
p.h = r.left; |
| 694 |
p.v = r.top; |
| 695 |
|
| 696 |
return p; |
| 697 |
} |
| 698 |
|
| 699 |
Point |
| 700 |
centered_sfput_dialog(void) |
| 701 |
{ |
| 702 |
Point p; |
| 703 |
Rect r; |
| 704 |
|
| 705 |
center_in_screen(320, 200, false, &r); |
| 706 |
p.h = r.left; |
| 707 |
p.v = r.top; |
| 708 |
|
| 709 |
return p; |
| 710 |
} |
| 711 |
|
| 712 |
/* |
| 713 |
* DA-specific functions |
| 714 |
*/ |
| 715 |
long |
| 716 |
OwnedResourceID(long n) |
| 717 |
{ |
| 718 |
if (_da_dce) |
| 719 |
return (0xc000 + ((~(_da_dce->dCtlRefNum)) << 5) + n); |
| 720 |
|
| 721 |
return n; |
| 722 |
} |
| 723 |
|
| 724 |
/* |
| 725 |
* General Mac-specific non-GUI functions |
| 726 |
*/ |
| 727 |
|
| 728 |
static unsigned long _xorshift_state = 0; |
| 729 |
unsigned long |
| 730 |
xorshift32(void) |
| 731 |
{ |
| 732 |
unsigned long x = _xorshift_state; |
| 733 |
if (x == 0) |
| 734 |
x = Ticks; |
| 735 |
x ^= x << 13; |
| 736 |
x ^= x >> 17; |
| 737 |
x ^= x << 5; |
| 738 |
return _xorshift_state = x; |
| 739 |
} |
| 740 |
|
| 741 |
|
| 742 |
/* |
| 743 |
* Error checking wrappers for Mac toolkit functions |
| 744 |
*/ |
| 745 |
|
| 746 |
Handle |
| 747 |
xNewHandle(size_t size) |
| 748 |
{ |
| 749 |
Handle h; |
| 750 |
|
| 751 |
if (size == 0) |
| 752 |
panic("Zero xNewHandle size"); |
| 753 |
|
| 754 |
h = NewHandle(size); |
| 755 |
if (h == NULL) |
| 756 |
panic("Failed to NewHandle(%lu)", size); |
| 757 |
|
| 758 |
return h; |
| 759 |
} |
| 760 |
|
| 761 |
Handle |
| 762 |
xGetResource(ResType type, short id) |
| 763 |
{ |
| 764 |
Handle h; |
| 765 |
|
| 766 |
h = GetResource(type, id); |
| 767 |
if (h == NULL) |
| 768 |
panic("Failed to find resource %d", id); |
| 769 |
|
| 770 |
return h; |
| 771 |
} |
| 772 |
|
| 773 |
StringHandle |
| 774 |
xGetString(short id) |
| 775 |
{ |
| 776 |
StringHandle h; |
| 777 |
|
| 778 |
h = GetString(id); |
| 779 |
if (h == NULL) |
| 780 |
panic("Failed to find STR resource %d", id); |
| 781 |
|
| 782 |
return h; |
| 783 |
} |
| 784 |
|
| 785 |
char * |
| 786 |
xGetStringAsChar(short id) |
| 787 |
{ |
| 788 |
StringHandle h; |
| 789 |
char *out; |
| 790 |
size_t l; |
| 791 |
|
| 792 |
h = xGetString(id); |
| 793 |
HLock(h); |
| 794 |
l = (*h)[0]; |
| 795 |
out = xmalloc(l + 1); |
| 796 |
if (out != NULL) { |
| 797 |
memcpy((void *)out, (void *)(*h + 1), l); |
| 798 |
out[l] = '\0'; |
| 799 |
} |
| 800 |
ReleaseResource(h); |
| 801 |
|
| 802 |
return out; |
| 803 |
} |
| 804 |
|
| 805 |
bool |
| 806 |
xGetStringAsLong(short id, long *ret) |
| 807 |
{ |
| 808 |
char *c; |
| 809 |
|
| 810 |
c = xGetStringAsChar(id); |
| 811 |
if (c == NULL) |
| 812 |
return false; |
| 813 |
*ret = atol(c); |
| 814 |
xfree(&c); |
| 815 |
return true; |
| 816 |
} |
| 817 |
|
| 818 |
bool |
| 819 |
xSetHandleSize(Handle h, Size s) |
| 820 |
{ |
| 821 |
SetHandleSize(h, s); |
| 822 |
if (MemError()) { |
| 823 |
warn("Failed to SetHandleSize to %ld", s); |
| 824 |
return false; |
| 825 |
} |
| 826 |
return true; |
| 827 |
} |
| 828 |
|
| 829 |
/* |
| 830 |
* Filesystem utilities |
| 831 |
*/ |
| 832 |
|
| 833 |
short |
| 834 |
getpath(short vRefNum, Str255 fileName, Str255 ret, bool include_file) |
| 835 |
{ |
| 836 |
WDPBRec wdir; |
| 837 |
HVolumeParam wvol; |
| 838 |
DirInfo wcinfo; |
| 839 |
char *name = NULL; |
| 840 |
size_t retlen = 0, len; |
| 841 |
char *tmpret = NULL, *tmp = NULL; |
| 842 |
char *lastcolon; |
| 843 |
|
| 844 |
ret[0] = 0; |
| 845 |
|
| 846 |
if (strchr((char *)fileName + 1, ':') != NULL) { |
| 847 |
/* already a full path */ |
| 848 |
memcpy(ret, fileName, 256); |
| 849 |
if (!include_file) { |
| 850 |
PtoCstr(ret); |
| 851 |
lastcolon = strrchr((char *)ret, ':'); |
| 852 |
lastcolon[0] = '\0'; |
| 853 |
CtoPstr(ret); |
| 854 |
} |
| 855 |
return 0; |
| 856 |
} |
| 857 |
|
| 858 |
name = xmalloc(FILENAME_MAX); |
| 859 |
if (name == NULL) |
| 860 |
return 1; |
| 861 |
|
| 862 |
wdir.ioVRefNum = wdir.ioWDVRefNum = vRefNum; |
| 863 |
wdir.ioWDIndex = 0; |
| 864 |
wdir.ioWDProcID = 0; |
| 865 |
wdir.ioNamePtr = (StringPtr)name; |
| 866 |
if (PBGetWDInfo(&wdir, 0) != noErr) { |
| 867 |
warn("Failed looking up directory"); |
| 868 |
xfree(&name); |
| 869 |
return 1; |
| 870 |
} |
| 871 |
|
| 872 |
wvol.ioNamePtr = (StringPtr)name; |
| 873 |
wvol.ioVRefNum = vRefNum; |
| 874 |
wvol.ioVolIndex = 0; |
| 875 |
|
| 876 |
if (PBHGetVInfoSync((HParmBlkPtr)&wvol) != noErr) { |
| 877 |
warn("Failed getting volume info"); |
| 878 |
xfree(&name); |
| 879 |
return 1; |
| 880 |
} |
| 881 |
|
| 882 |
if (wvol.ioVSigWord != 0x4244) { |
| 883 |
warn("Unknown filesystem type 0x%x", wvol.ioVSigWord); |
| 884 |
xfree(&name); |
| 885 |
return 1; |
| 886 |
} |
| 887 |
|
| 888 |
wcinfo.ioVRefNum = vRefNum; |
| 889 |
wcinfo.ioNamePtr = (StringPtr)name; |
| 890 |
wcinfo.ioFDirIndex = -1; |
| 891 |
wcinfo.ioDrParID = wdir.ioWDDirID; |
| 892 |
wcinfo.ioDrDirID = wdir.ioWDDirID; |
| 893 |
|
| 894 |
tmp = xmalloc(FILENAME_MAX); |
| 895 |
if (tmp == NULL) { |
| 896 |
xfree(&name); |
| 897 |
return 1; |
| 898 |
} |
| 899 |
tmpret = xmalloc(FILENAME_MAX); |
| 900 |
if (tmp == NULL) { |
| 901 |
xfree(&tmp); |
| 902 |
xfree(&name); |
| 903 |
return 1; |
| 904 |
} |
| 905 |
|
| 906 |
/* go backwards, prepending each folder's parent */ |
| 907 |
while (wcinfo.ioDrParID != 1) { |
| 908 |
wcinfo.ioDrDirID = wcinfo.ioDrParID; /* .. */ |
| 909 |
|
| 910 |
if (PBGetCatInfo((CInfoPBPtr)&wcinfo, 0) != noErr) |
| 911 |
break; |
| 912 |
|
| 913 |
len = name[0]; |
| 914 |
PtoCstr(name); |
| 915 |
if (retlen == 0) { |
| 916 |
retlen = len; |
| 917 |
strlcpy(tmpret, (char *)name, FILENAME_MAX); |
| 918 |
} else { |
| 919 |
strlcpy(tmp, tmpret, FILENAME_MAX); |
| 920 |
snprintf(tmpret, FILENAME_MAX, "%s:%s", name, tmp); |
| 921 |
} |
| 922 |
} |
| 923 |
|
| 924 |
if (include_file) { |
| 925 |
/* append the original path */ |
| 926 |
memcpy(name, fileName, FILENAME_MAX); |
| 927 |
PtoCstr(name); |
| 928 |
if (retlen == 0) |
| 929 |
strlcpy(tmpret, name, FILENAME_MAX); |
| 930 |
else { |
| 931 |
strlcat(tmpret, ":", FILENAME_MAX); |
| 932 |
strlcat(tmpret, name, FILENAME_MAX); |
| 933 |
} |
| 934 |
} else if (retlen == 0) { |
| 935 |
ret[0] = 0; |
| 936 |
xfree(&tmp); |
| 937 |
xfree(&tmpret); |
| 938 |
xfree(&name); |
| 939 |
return 0; |
| 940 |
} |
| 941 |
|
| 942 |
CtoPstr(tmpret); |
| 943 |
memcpy(ret, tmpret, FILENAME_MAX); |
| 944 |
xfree(&tmp); |
| 945 |
xfree(&tmpret); |
| 946 |
xfree(&name); |
| 947 |
|
| 948 |
return 0; |
| 949 |
} |
| 950 |
|
| 951 |
short |
| 952 |
stat(char *path, struct stat *sb) |
| 953 |
{ |
| 954 |
char *ppath; |
| 955 |
short ret; |
| 956 |
|
| 957 |
ppath = xstrdup(path); |
| 958 |
if (ppath == NULL) |
| 959 |
return -1; |
| 960 |
CtoPstr(ppath); |
| 961 |
ret = FStat((unsigned char *)ppath, sb); |
| 962 |
xfree(&ppath); |
| 963 |
|
| 964 |
return ret; |
| 965 |
} |
| 966 |
|
| 967 |
short |
| 968 |
FStat(Str255 path, struct stat *sb) |
| 969 |
{ |
| 970 |
CInfoPBRec catblock = { 0 }; |
| 971 |
short ret; |
| 972 |
|
| 973 |
catblock.hFileInfo.ioNamePtr = path; |
| 974 |
ret = PBGetCatInfo(&catblock, 0); |
| 975 |
if (ret != noErr) |
| 976 |
return -1; |
| 977 |
|
| 978 |
/* data fork logical length + resource fork logical length */ |
| 979 |
sb->st_size = catblock.hFileInfo.ioFlLgLen + |
| 980 |
catblock.hFileInfo.ioFlRLgLen; |
| 981 |
sb->st_ctime = catblock.hFileInfo.ioFlCrDat; |
| 982 |
sb->st_mtime = catblock.hFileInfo.ioFlMdDat; |
| 983 |
sb->st_flags = catblock.hFileInfo.ioFlAttrib; |
| 984 |
|
| 985 |
return 0; |
| 986 |
} |
| 987 |
|
| 988 |
bool |
| 989 |
FIsDir(Str255 path) |
| 990 |
{ |
| 991 |
struct stat st; |
| 992 |
|
| 993 |
if (FStat(path, &st) != 0) |
| 994 |
return false; |
| 995 |
|
| 996 |
/* bit 4 is set in ioFlAttrib if the item is a directory */ |
| 997 |
if (st.st_flags & (1 << 4)) |
| 998 |
return true; |
| 999 |
|
| 1000 |
return false; |
| 1001 |
} |
| 1002 |
|
| 1003 |
OSErr |
| 1004 |
copy_file(Str255 source, Str255 dest, bool overwrite) |
| 1005 |
{ |
| 1006 |
FInfo fi; |
| 1007 |
IOParam pb; |
| 1008 |
short error, source_ref, dest_ref; |
| 1009 |
|
| 1010 |
/* copy data fork */ |
| 1011 |
|
| 1012 |
error = GetFInfo(source, 0, &fi); |
| 1013 |
if (error) |
| 1014 |
return error; |
| 1015 |
|
| 1016 |
error = Create(dest, 0, fi.fdCreator, fi.fdType); |
| 1017 |
if (error == dupFNErr && overwrite) { |
| 1018 |
error = FSDelete(dest, 0); |
| 1019 |
if (error) |
| 1020 |
return error; |
| 1021 |
error = Create(dest, 0, fi.fdCreator, fi.fdType); |
| 1022 |
} |
| 1023 |
if (error) |
| 1024 |
return error; |
| 1025 |
|
| 1026 |
memset(&pb, 0, sizeof(pb)); |
| 1027 |
pb.ioNamePtr = source; |
| 1028 |
pb.ioPermssn = fsRdPerm; |
| 1029 |
error = PBOpen(&pb, false); |
| 1030 |
if (error) |
| 1031 |
return error; |
| 1032 |
source_ref = pb.ioRefNum; |
| 1033 |
|
| 1034 |
error = FSOpen(dest, 0, &dest_ref); |
| 1035 |
if (error) { |
| 1036 |
FSClose(source_ref); |
| 1037 |
return error; |
| 1038 |
} |
| 1039 |
|
| 1040 |
error = copy_file_contents(source_ref, dest_ref); |
| 1041 |
|
| 1042 |
FSClose(source_ref); |
| 1043 |
FSClose(dest_ref); |
| 1044 |
|
| 1045 |
if (error) |
| 1046 |
return error; |
| 1047 |
|
| 1048 |
/* |
| 1049 |
* Copy resource fork, open source as shared read/write in case it's |
| 1050 |
* an open resource file. |
| 1051 |
*/ |
| 1052 |
source_ref = OpenRFPerm(source, 0, fsRdWrShPerm); |
| 1053 |
|
| 1054 |
if (source_ref == -1 && ResError() == eofErr) { |
| 1055 |
/* no resource fork */ |
| 1056 |
FSClose(source_ref); |
| 1057 |
FSClose(dest_ref); |
| 1058 |
return 0; |
| 1059 |
} |
| 1060 |
|
| 1061 |
if (source_ref == -1) |
| 1062 |
return ResError(); |
| 1063 |
|
| 1064 |
CreateResFile(dest); |
| 1065 |
if (ResError()) { |
| 1066 |
FSClose(source_ref); |
| 1067 |
return ResError(); |
| 1068 |
} |
| 1069 |
error = OpenRF(dest, 0, &dest_ref); |
| 1070 |
if (error) { |
| 1071 |
FSClose(source_ref); |
| 1072 |
return error; |
| 1073 |
} |
| 1074 |
|
| 1075 |
error = copy_file_contents(source_ref, dest_ref); |
| 1076 |
|
| 1077 |
FSClose(source_ref); |
| 1078 |
FSClose(dest_ref); |
| 1079 |
|
| 1080 |
return error; |
| 1081 |
} |
| 1082 |
|
| 1083 |
OSErr |
| 1084 |
copy_file_contents(short source_ref, short dest_ref) |
| 1085 |
{ |
| 1086 |
char *buf; |
| 1087 |
short error; |
| 1088 |
long source_size, count; |
| 1089 |
|
| 1090 |
GetEOF(source_ref, &source_size); |
| 1091 |
error = SetFPos(source_ref, fsFromStart, 0); |
| 1092 |
if (error) |
| 1093 |
return error; |
| 1094 |
error = SetEOF(dest_ref, source_size); |
| 1095 |
if (error) |
| 1096 |
return error; |
| 1097 |
error = SetFPos(dest_ref, fsFromStart, 0); |
| 1098 |
if (error) |
| 1099 |
return error; |
| 1100 |
|
| 1101 |
buf = xmalloc(1024); |
| 1102 |
if (buf == NULL) |
| 1103 |
return -1; |
| 1104 |
|
| 1105 |
while (source_size > 0) { |
| 1106 |
count = 1024; |
| 1107 |
if (count > source_size) |
| 1108 |
count = source_size; |
| 1109 |
error = FSRead(source_ref, &count, buf); |
| 1110 |
if (error && error != eofErr) |
| 1111 |
break; |
| 1112 |
source_size -= count; |
| 1113 |
error = FSWrite(dest_ref, &count, buf); |
| 1114 |
if (error && error != eofErr) |
| 1115 |
break; |
| 1116 |
} |
| 1117 |
|
| 1118 |
xfree(&buf); |
| 1119 |
|
| 1120 |
if (error && error != eofErr) |
| 1121 |
return error; |
| 1122 |
|
| 1123 |
return 0; |
| 1124 |
} |
| 1125 |
|
| 1126 |
/* read a \r-terminated line or the final non-line bytes of an open file */ |
| 1127 |
OSErr |
| 1128 |
FSReadLine(short frefnum, char *buf, size_t buflen) |
| 1129 |
{ |
| 1130 |
char tbuf; |
| 1131 |
size_t pos, fsize, rlen = 1, total_read = 0; |
| 1132 |
short error; |
| 1133 |
|
| 1134 |
GetFPos(frefnum, &pos); |
| 1135 |
GetEOF(frefnum, &fsize); |
| 1136 |
|
| 1137 |
for (; pos <= fsize; pos++) { |
| 1138 |
if (total_read > buflen) |
| 1139 |
return -1; |
| 1140 |
|
| 1141 |
error = FSRead(frefnum, &rlen, &tbuf); |
| 1142 |
if (error) |
| 1143 |
return -1; |
| 1144 |
|
| 1145 |
if (tbuf == '\r') |
| 1146 |
return total_read; |
| 1147 |
|
| 1148 |
buf[total_read++] = tbuf; |
| 1149 |
} |
| 1150 |
|
| 1151 |
/* nothing found until the end of the file */ |
| 1152 |
return total_read; |
| 1153 |
} |
| 1154 |
|
| 1155 |
|
| 1156 |
/* |
| 1157 |
* Gestalt functions |
| 1158 |
*/ |
| 1159 |
char * |
| 1160 |
gestalt_machine_type(void) |
| 1161 |
{ |
| 1162 |
short error; |
| 1163 |
long resp; |
| 1164 |
|
| 1165 |
error = Gestalt(gestaltMachineType, &resp); |
| 1166 |
if (error) |
| 1167 |
return NULL; |
| 1168 |
switch (resp) { |
| 1169 |
case gestaltClassic: |
| 1170 |
return "Macintosh 128K"; |
| 1171 |
case gestaltMacXL: |
| 1172 |
return "Macintosh XL"; |
| 1173 |
case gestaltMac512KE: |
| 1174 |
return "Macintosh 512Ke"; |
| 1175 |
case gestaltMacPlus: |
| 1176 |
return "Macintosh Plus"; |
| 1177 |
case gestaltMacSE: |
| 1178 |
return "Macintosh SE"; |
| 1179 |
case gestaltMacII: |
| 1180 |
return "Macintosh II"; |
| 1181 |
case gestaltMacIIx: |
| 1182 |
return "Macintosh IIx"; |
| 1183 |
case gestaltMacIIcx: |
| 1184 |
return "Macintosh IIcx"; |
| 1185 |
case gestaltMacSE030: |
| 1186 |
return "Macintosh SE/30"; |
| 1187 |
case gestaltPortable: |
| 1188 |
return "Macintosh Portable"; |
| 1189 |
case gestaltMacIIci: |
| 1190 |
return "Macintosh IIci"; |
| 1191 |
case gestaltMacIIfx: |
| 1192 |
return "Macintosh IIfx"; |
| 1193 |
case gestaltMacClassic: |
| 1194 |
return "Macintosh Classic"; |
| 1195 |
case gestaltMacIIsi: |
| 1196 |
return "Macintosh IIsi"; |
| 1197 |
case gestaltMacLC: |
| 1198 |
return "Macintosh LC"; |
| 1199 |
} |
| 1200 |
|
| 1201 |
return NULL; |
| 1202 |
} |
| 1203 |
|
| 1204 |
char * |
| 1205 |
get_version(bool long_version) |
| 1206 |
{ |
| 1207 |
static char vers_s[256] = { 0 }; |
| 1208 |
char *v; |
| 1209 |
VersRecHndl vers; |
| 1210 |
short len; |
| 1211 |
|
| 1212 |
vers = (VersRecHndl)GetResource('vers', 1); |
| 1213 |
if (!vers) |
| 1214 |
return "?.?"; |
| 1215 |
|
| 1216 |
HLock(vers); |
| 1217 |
v = (char *)&(*vers)->shortVersion; |
| 1218 |
len = v[0]; |
| 1219 |
if (long_version) { |
| 1220 |
v += len + 1; |
| 1221 |
len = v[0]; |
| 1222 |
} |
| 1223 |
memcpy(vers_s, v, len + 1); |
| 1224 |
ReleaseResource(vers); |
| 1225 |
|
| 1226 |
PtoCstr(vers_s); |
| 1227 |
return vers_s; |
| 1228 |
} |
| 1229 |
|
| 1230 |
/* |
| 1231 |
* General Mac-specific GUI functions |
| 1232 |
*/ |
| 1233 |
|
| 1234 |
short |
| 1235 |
FontHeight(short font_id, short size) |
| 1236 |
{ |
| 1237 |
FMInput f_in; |
| 1238 |
FMOutput *f_out; |
| 1239 |
|
| 1240 |
if (font_id == -1) |
| 1241 |
font_id = thePort->txFont; |
| 1242 |
if (size == -1) |
| 1243 |
size = thePort->txSize; |
| 1244 |
|
| 1245 |
f_in.family = font_id; |
| 1246 |
f_in.size = size; |
| 1247 |
f_in.face = 0; |
| 1248 |
f_in.needBits = false; |
| 1249 |
f_in.device = 0; |
| 1250 |
f_in.numer.h = f_in.numer.v = 1; |
| 1251 |
f_in.denom.h = f_in.denom.v = 1; |
| 1252 |
|
| 1253 |
f_out = FMSwapFont(&f_in); |
| 1254 |
|
| 1255 |
return (((f_out->leading + f_out->ascent + f_out->descent) * |
| 1256 |
f_out->numer.v) / f_out->denom.v); |
| 1257 |
} |
| 1258 |
|
| 1259 |
void |
| 1260 |
DrawGrowIconOnly(WindowPtr win) |
| 1261 |
{ |
| 1262 |
Rect r; |
| 1263 |
RgnHandle tmp; |
| 1264 |
|
| 1265 |
GetClip(tmp = NewRgn()); |
| 1266 |
if (tmp == NULL) { |
| 1267 |
warn("NewRgn() failed"); |
| 1268 |
return; |
| 1269 |
} |
| 1270 |
r = win->portRect; |
| 1271 |
r.top = r.bottom - SCROLLBAR_WIDTH; |
| 1272 |
r.left = r.right - SCROLLBAR_WIDTH + 1; |
| 1273 |
ClipRect(&r); |
| 1274 |
DrawGrowIcon(win); |
| 1275 |
SetClip(tmp); |
| 1276 |
DisposeRgn(tmp); |
| 1277 |
} |
| 1278 |
|
| 1279 |
/* assumes a fixed-width style */ |
| 1280 |
short |
| 1281 |
TEGetWidth(short off, TEHandle te) |
| 1282 |
{ |
| 1283 |
TextStyle style; |
| 1284 |
short fheight, fwidth, ascent, old_font, old_size; |
| 1285 |
|
| 1286 |
TEGetStyle(off, &style, &fheight, &ascent, te); |
| 1287 |
|
| 1288 |
old_font = thePort->txFace; |
| 1289 |
old_size = thePort->txSize; |
| 1290 |
thePort->txFace = style.tsFont; |
| 1291 |
thePort->txSize = style.tsSize; |
| 1292 |
fwidth = CharWidth('m'); |
| 1293 |
thePort->txFace = old_font; |
| 1294 |
thePort->txSize = old_size; |
| 1295 |
|
| 1296 |
return fwidth; |
| 1297 |
} |
| 1298 |
|
| 1299 |
#define ceildiv(a,b) ((a / b) + (!!(a % b))) |
| 1300 |
|
| 1301 |
void |
| 1302 |
UpdateScrollbarForTE(GrafPtr win, ControlHandle control, TEHandle te, |
| 1303 |
bool reset) |
| 1304 |
{ |
| 1305 |
size_t vlines, telines; |
| 1306 |
TERec *ter; |
| 1307 |
RgnHandle rgn; |
| 1308 |
short fheight, fwidth, max, val, per_line, horiz, max_chars, n; |
| 1309 |
|
| 1310 |
HLock(control); |
| 1311 |
HLock(te); |
| 1312 |
ter = *te; |
| 1313 |
|
| 1314 |
horiz = (((*control)->contrlRect.bottom - (*control)->contrlRect.top) < |
| 1315 |
((*control)->contrlRect.right - (*control)->contrlRect.left)); |
| 1316 |
|
| 1317 |
if (horiz) { |
| 1318 |
fwidth = TEGetWidth(0, te); |
| 1319 |
per_line = ((ter->viewRect.right - ter->viewRect.left) / |
| 1320 |
fwidth) - 1; |
| 1321 |
for (max_chars = 0, n = 1; n < ter->nLines; n++) { |
| 1322 |
if (ter->lineStarts[n] - ter->lineStarts[n - 1] > max_chars) |
| 1323 |
max_chars = ter->lineStarts[n] - ter->lineStarts[n - 1]; |
| 1324 |
} |
| 1325 |
|
| 1326 |
if (max_chars <= per_line) |
| 1327 |
/* don't enable the scrollbar */ |
| 1328 |
max = 1; |
| 1329 |
else |
| 1330 |
max = max_chars - per_line + 1; |
| 1331 |
|
| 1332 |
if (reset) { |
| 1333 |
val = 1; |
| 1334 |
TESetSelect(0, 0, te); |
| 1335 |
} else { |
| 1336 |
val = (ter->viewRect.left - ter->destRect.left); |
| 1337 |
|
| 1338 |
if (val < 0) |
| 1339 |
val = 1; |
| 1340 |
else { |
| 1341 |
val = ceildiv(val, fwidth) + 1; |
| 1342 |
if (val > max) |
| 1343 |
max = val; |
| 1344 |
} |
| 1345 |
} |
| 1346 |
} else { |
| 1347 |
fheight = TEGetHeight(0, 0, te); |
| 1348 |
vlines = (ter->viewRect.bottom - ter->viewRect.top) / fheight; |
| 1349 |
telines = ter->nLines; |
| 1350 |
/* telines is inaccurate if the last line doesn't have any chars */ |
| 1351 |
//if (telines >= vlines) |
| 1352 |
// telines++; |
| 1353 |
max = telines - vlines + 1; |
| 1354 |
if (max < 1) |
| 1355 |
max = 1; |
| 1356 |
|
| 1357 |
if (reset) { |
| 1358 |
val = 1; |
| 1359 |
TESetSelect(0, 0, te); |
| 1360 |
} else { |
| 1361 |
val = (ter->viewRect.top - ter->destRect.top); |
| 1362 |
if (val < 0) |
| 1363 |
val = 1; |
| 1364 |
else { |
| 1365 |
val = ceildiv(val, fheight) + 1; |
| 1366 |
if (val > max) |
| 1367 |
max = val; |
| 1368 |
} |
| 1369 |
} |
| 1370 |
} |
| 1371 |
|
| 1372 |
/* |
| 1373 |
* Avoid SetCtlMax because it will redraw and then SetCtlValue will |
| 1374 |
* redraw again, which can cause a jump if we're trying to keep the |
| 1375 |
* scrollbar position in the same place (like at the bottom). |
| 1376 |
*/ |
| 1377 |
(*control)->contrlMax = max; |
| 1378 |
SetCtlValue(control, val); |
| 1379 |
|
| 1380 |
rgn = NewRgn(); |
| 1381 |
RectRgn(rgn, &(*control)->contrlRect); |
| 1382 |
UpdtControl(win, rgn); |
| 1383 |
CloseRgn(rgn); |
| 1384 |
|
| 1385 |
HUnlock(te); |
| 1386 |
HUnlock(control); |
| 1387 |
} |
| 1388 |
|
| 1389 |
void |
| 1390 |
SetTrackControlTE(TEHandle te) |
| 1391 |
{ |
| 1392 |
track_control_te = te; |
| 1393 |
} |
| 1394 |
|
| 1395 |
pascal void |
| 1396 |
TrackMouseDownInControl(ControlHandle control, short part) |
| 1397 |
{ |
| 1398 |
TERec *ter; |
| 1399 |
short page, val, adj, fheight, fwidth, horiz, per_line; |
| 1400 |
|
| 1401 |
if (track_control_te == NULL) |
| 1402 |
panic("TrackMouseDownInControl without SetTrackControlTE"); |
| 1403 |
|
| 1404 |
HLock(track_control_te); |
| 1405 |
ter = *track_control_te; |
| 1406 |
|
| 1407 |
horiz = (((*control)->contrlRect.bottom - (*control)->contrlRect.top) < |
| 1408 |
((*control)->contrlRect.right - (*control)->contrlRect.left)); |
| 1409 |
|
| 1410 |
if (horiz) { |
| 1411 |
fwidth = TEGetWidth(0, track_control_te); |
| 1412 |
per_line = ((ter->viewRect.right - ter->viewRect.left) / |
| 1413 |
fwidth) - 1; |
| 1414 |
page = ceildiv(GetCtlMax(control) + per_line, |
| 1415 |
((per_line * 75) / 100)) + 1; |
| 1416 |
} else { |
| 1417 |
/* keep 1 line of context between pages */ |
| 1418 |
fheight = TEGetHeight(0, 0, track_control_te); |
| 1419 |
page = ((ter->viewRect.bottom - ter->viewRect.top) / fheight) - 1; |
| 1420 |
} |
| 1421 |
|
| 1422 |
adj = 0; |
| 1423 |
switch (part) { |
| 1424 |
case inUpButton: |
| 1425 |
adj = -1; |
| 1426 |
break; |
| 1427 |
case inPageUp: |
| 1428 |
adj = -page; |
| 1429 |
break; |
| 1430 |
case inDownButton: |
| 1431 |
adj = 1; |
| 1432 |
break; |
| 1433 |
case inPageDown: |
| 1434 |
adj = page; |
| 1435 |
break; |
| 1436 |
} |
| 1437 |
|
| 1438 |
val = GetCtlValue(control); |
| 1439 |
if (val + adj < GetCtlMin(control)) |
| 1440 |
adj = -(val - GetCtlMin(control)); |
| 1441 |
if (val + adj > GetCtlMax(control)) |
| 1442 |
adj = (GetCtlMax(control) - val); |
| 1443 |
if (adj == 0) |
| 1444 |
return; |
| 1445 |
|
| 1446 |
if (horiz) |
| 1447 |
TEScroll(-adj * fwidth, 0, track_control_te); |
| 1448 |
else |
| 1449 |
TEScroll(0, -adj * fheight, track_control_te); |
| 1450 |
|
| 1451 |
SetCtlValue(control, val + adj); |
| 1452 |
|
| 1453 |
HUnlock(track_control_te); |
| 1454 |
} |
| 1455 |
|
| 1456 |
pascal bool |
| 1457 |
ModalDialogFilter(DialogPtr dlg, EventRecord *event, short *hit) |
| 1458 |
{ |
| 1459 |
WindowPtr event_win; |
| 1460 |
short event_in; |
| 1461 |
char key; |
| 1462 |
|
| 1463 |
switch (event->what) { |
| 1464 |
case mouseDown: |
| 1465 |
event_in = FindWindow(event->where, &event_win); |
| 1466 |
|
| 1467 |
switch (event_in) { |
| 1468 |
case inGoAway: |
| 1469 |
if (TrackGoAway(dlg, event->where)) { |
| 1470 |
*hit = -1; |
| 1471 |
return true; |
| 1472 |
} |
| 1473 |
} |
| 1474 |
break; |
| 1475 |
case keyDown: |
| 1476 |
key = event->message & charCodeMask; |
| 1477 |
|
| 1478 |
if (event->modifiers & cmdKey) { |
| 1479 |
switch (key) { |
| 1480 |
case 'x': |
| 1481 |
ZeroScrap(); |
| 1482 |
DlgCut(dlg); |
| 1483 |
break; |
| 1484 |
case 'c': |
| 1485 |
ZeroScrap(); |
| 1486 |
DlgCopy(dlg); |
| 1487 |
break; |
| 1488 |
case 'v': |
| 1489 |
if (TEFromScrap() == noErr) |
| 1490 |
DlgPaste(dlg); |
| 1491 |
break; |
| 1492 |
} |
| 1493 |
event->what = nullEvent; |
| 1494 |
return false; |
| 1495 |
} else if (key == 13 || key == 3) { |
| 1496 |
/* OK button */ |
| 1497 |
*hit = OK; |
| 1498 |
return true; |
| 1499 |
} |
| 1500 |
|
| 1501 |
break; |
| 1502 |
} |
| 1503 |
|
| 1504 |
return false; |
| 1505 |
} |
| 1506 |
|
| 1507 |
static short _password_dialog_ditl_id = -1; |
| 1508 |
static char *_password_dialog_storage = NULL; |
| 1509 |
static size_t _password_dialog_storage_len = 0; |
| 1510 |
|
| 1511 |
void |
| 1512 |
PasswordDialogFieldFilterSetup(short ditl_id, char *storage, size_t len) |
| 1513 |
{ |
| 1514 |
_password_dialog_ditl_id = ditl_id; |
| 1515 |
_password_dialog_storage = storage; |
| 1516 |
_password_dialog_storage_len = len; |
| 1517 |
|
| 1518 |
memset(_password_dialog_storage, 0, len); |
| 1519 |
} |
| 1520 |
|
| 1521 |
pascal bool |
| 1522 |
PasswordDialogFieldFilter(DialogPtr dlg, EventRecord *event, short *hit) |
| 1523 |
{ |
| 1524 |
DialogPeek dlgp; |
| 1525 |
short sel_start, sel_end; |
| 1526 |
char key; |
| 1527 |
|
| 1528 |
dlgp = (DialogPeek)dlg; |
| 1529 |
if (dlgp->editField == _password_dialog_ditl_id - 1) { |
| 1530 |
sel_start = (*(dlgp->textH))->selStart; |
| 1531 |
sel_end = (*(dlgp->textH))->selEnd; |
| 1532 |
|
| 1533 |
switch (event->what) { |
| 1534 |
case keyDown: |
| 1535 |
case autoKey: |
| 1536 |
key = event->message & charCodeMask; |
| 1537 |
if (event->modifiers & cmdKey) { |
| 1538 |
/* TODO: implement DlgPaste for cmd+v? */ |
| 1539 |
event->what = nullEvent; |
| 1540 |
return false; |
| 1541 |
} |
| 1542 |
|
| 1543 |
if (key == 8) { |
| 1544 |
/* backspace */ |
| 1545 |
if (sel_start == sel_end && sel_start > 0) |
| 1546 |
memmove(_password_dialog_storage + sel_start - 1, |
| 1547 |
_password_dialog_storage + sel_start, |
| 1548 |
_password_dialog_storage_len - sel_start - 1); |
| 1549 |
else if (sel_start != sel_end) |
| 1550 |
memmove(_password_dialog_storage + sel_start, |
| 1551 |
_password_dialog_storage + sel_end, |
| 1552 |
_password_dialog_storage_len - sel_end - 1); |
| 1553 |
} else if (sel_start >= _password_dialog_storage_len) { |
| 1554 |
event->what = nullEvent; |
| 1555 |
return false; |
| 1556 |
} else if (key >= ' ' && key <= '~') { |
| 1557 |
if (sel_start != sel_end) |
| 1558 |
/* delete selection before making space for new char */ |
| 1559 |
memmove(_password_dialog_storage + sel_start, |
| 1560 |
_password_dialog_storage + sel_end, |
| 1561 |
_password_dialog_storage_len - sel_end - 1); |
| 1562 |
memmove(_password_dialog_storage + sel_start + 1, |
| 1563 |
_password_dialog_storage + sel_start, |
| 1564 |
_password_dialog_storage_len - sel_start - 1); |
| 1565 |
_password_dialog_storage[sel_start] = key; |
| 1566 |
event->message = '•'; |
| 1567 |
} |
| 1568 |
_password_dialog_storage[(*(dlgp->textH))->teLength + 1] = '\0'; |
| 1569 |
sel_start = 0; |
| 1570 |
break; |
| 1571 |
} |
| 1572 |
} |
| 1573 |
|
| 1574 |
return ModalDialogFilter(dlg, event, hit); |
| 1575 |
} |
| 1576 |
|
| 1577 |
void |
| 1578 |
PasswordDialogFieldFinish(void) |
| 1579 |
{ |
| 1580 |
_password_dialog_ditl_id = -1; |
| 1581 |
_password_dialog_storage = NULL; |
| 1582 |
_password_dialog_storage_len = 0; |
| 1583 |
} |
| 1584 |
|
| 1585 |
/* (*(some_te))->caretHook = NullCaretHook; */ |
| 1586 |
pascal void |
| 1587 |
NullCaretHook(void) |
| 1588 |
{ |
| 1589 |
asm { |
| 1590 |
move.l (a7)+,d0 |
| 1591 |
rts |
| 1592 |
} |
| 1593 |
} |
| 1594 |
|
| 1595 |
static bool menu_bar_hidden = false; |
| 1596 |
static short old_mbar_height; |
| 1597 |
static Rect mbar_rect; |
| 1598 |
static RgnHandle mbar_save_region; |
| 1599 |
|
| 1600 |
void |
| 1601 |
HideMenuBar(void) |
| 1602 |
{ |
| 1603 |
RgnHandle mbar_region; |
| 1604 |
WindowPeek win; |
| 1605 |
|
| 1606 |
old_mbar_height = GetMBarHeight(); |
| 1607 |
SetRect(&mbar_rect, screenBits.bounds.left, screenBits.bounds.top, |
| 1608 |
screenBits.bounds.right, screenBits.bounds.top + old_mbar_height); |
| 1609 |
|
| 1610 |
mbar_save_region = NewRgn(); |
| 1611 |
mbar_region = NewRgn(); |
| 1612 |
|
| 1613 |
MBarHeight = 0; |
| 1614 |
CopyRgn(GetGrayRgn(), mbar_save_region); |
| 1615 |
RectRgn(mbar_region, &mbar_rect); |
| 1616 |
UnionRgn(GetGrayRgn(), mbar_region, GetGrayRgn()); |
| 1617 |
|
| 1618 |
win = (WindowPeek)FrontWindow(); |
| 1619 |
PaintOne(win, mbar_region); |
| 1620 |
PaintBehind(win, mbar_region); |
| 1621 |
CalcVis(win); |
| 1622 |
CalcVisBehind(win, mbar_region); |
| 1623 |
DisposeRgn(mbar_region); |
| 1624 |
|
| 1625 |
menu_bar_hidden = true; |
| 1626 |
} |
| 1627 |
|
| 1628 |
void |
| 1629 |
RestoreHiddenMenuBar(void) |
| 1630 |
{ |
| 1631 |
WindowPeek win; |
| 1632 |
|
| 1633 |
if (!menu_bar_hidden) |
| 1634 |
return; |
| 1635 |
|
| 1636 |
CopyRgn(mbar_save_region, GetGrayRgn()); |
| 1637 |
MBarHeight = old_mbar_height; |
| 1638 |
|
| 1639 |
RectRgn(mbar_save_region, &mbar_rect); |
| 1640 |
win = (WindowPeek)FrontWindow(); |
| 1641 |
CalcVis(win); |
| 1642 |
CalcVisBehind(win, mbar_save_region); |
| 1643 |
DisposeRgn(mbar_save_region); |
| 1644 |
|
| 1645 |
menu_bar_hidden = false; |
| 1646 |
|
| 1647 |
HiliteMenu(0); |
| 1648 |
DrawMenuBar(); |
| 1649 |
} |
| 1650 |
|
| 1651 |
/* C Extensions */ |
| 1652 |
|
| 1653 |
/* |
| 1654 |
* Appends src to string dst of size dsize (unlike strncat, dsize is the |
| 1655 |
* full size of dst, not space left). At most dsize-1 characters |
| 1656 |
* will be copied. Always NUL terminates (unless dsize <= strlen(dst)). |
| 1657 |
* Returns strlen(src) + MIN(dsize, strlen(initial dst)). |
| 1658 |
* If retval >= dsize, truncation occurred. |
| 1659 |
*/ |
| 1660 |
size_t |
| 1661 |
strlcat(char *dst, const char *src, size_t dsize) |
| 1662 |
{ |
| 1663 |
const char *odst = dst; |
| 1664 |
const char *osrc = src; |
| 1665 |
size_t n = dsize; |
| 1666 |
size_t dlen; |
| 1667 |
|
| 1668 |
/* Find the end of dst and adjust bytes left but don't go past end. */ |
| 1669 |
while (n-- != 0 && *dst != '\0') |
| 1670 |
dst++; |
| 1671 |
dlen = dst - odst; |
| 1672 |
n = dsize - dlen; |
| 1673 |
|
| 1674 |
if (n-- == 0) |
| 1675 |
return(dlen + strlen(src)); |
| 1676 |
while (*src != '\0') { |
| 1677 |
if (n != 0) { |
| 1678 |
*dst++ = *src; |
| 1679 |
n--; |
| 1680 |
} |
| 1681 |
src++; |
| 1682 |
} |
| 1683 |
*dst = '\0'; |
| 1684 |
|
| 1685 |
return(dlen + (src - osrc)); /* count does not include NUL */ |
| 1686 |
} |
| 1687 |
|
| 1688 |
/* |
| 1689 |
* Copy string src to buffer dst of size dsize. At most dsize-1 |
| 1690 |
* chars will be copied. Always NUL terminates (unless dsize == 0). |
| 1691 |
* Returns strlen(src); if retval >= dsize, truncation occurred. |
| 1692 |
*/ |
| 1693 |
size_t |
| 1694 |
strlcpy(char *dst, const char *src, size_t dsize) |
| 1695 |
{ |
| 1696 |
const char *osrc = src; |
| 1697 |
size_t nleft = dsize; |
| 1698 |
|
| 1699 |
/* Copy as many bytes as will fit. */ |
| 1700 |
if (nleft != 0) { |
| 1701 |
while (--nleft != 0) { |
| 1702 |
if ((*dst++ = *src++) == '\0') |
| 1703 |
break; |
| 1704 |
} |
| 1705 |
} |
| 1706 |
|
| 1707 |
/* Not enough room in dst, add NUL and traverse rest of src. */ |
| 1708 |
if (nleft == 0) { |
| 1709 |
if (dsize != 0) |
| 1710 |
*dst = '\0'; /* NUL-terminate dst */ |
| 1711 |
while (*src++) |
| 1712 |
; |
| 1713 |
} |
| 1714 |
|
| 1715 |
return(src - osrc - 1); /* count does not include NUL */ |
| 1716 |
} |
| 1717 |
|
| 1718 |
char * |
| 1719 |
strndup(const char *str, size_t maxlen) |
| 1720 |
{ |
| 1721 |
char *copy; |
| 1722 |
const char *cp; |
| 1723 |
size_t len; |
| 1724 |
|
| 1725 |
/* strnlen */ |
| 1726 |
for (cp = str; maxlen != 0 && *cp != '\0'; cp++, maxlen--) |
| 1727 |
; |
| 1728 |
|
| 1729 |
len = (size_t)(cp - str); |
| 1730 |
copy = NewPtr(len + 1); |
| 1731 |
if (copy != NULL) { |
| 1732 |
(void)memcpy(copy, str, len); |
| 1733 |
copy[len] = '\0'; |
| 1734 |
} |
| 1735 |
|
| 1736 |
return copy; |
| 1737 |
} |
| 1738 |
|
| 1739 |
/* |
| 1740 |
* Get next token from string *stringp, where tokens are possibly-empty |
| 1741 |
* strings separated by characters from delim. |
| 1742 |
* |
| 1743 |
* Writes NULs into the string at *stringp to end tokens. |
| 1744 |
* delim need not remain constant from call to call. |
| 1745 |
* On return, *stringp points past the last NUL written (if there might |
| 1746 |
* be further tokens), or is NULL (if there are definitely no more tokens). |
| 1747 |
* |
| 1748 |
* If *stringp is NULL, strsep returns NULL. |
| 1749 |
*/ |
| 1750 |
char * |
| 1751 |
strsep(char **stringp, const char *delim) |
| 1752 |
{ |
| 1753 |
char *s; |
| 1754 |
const char *spanp; |
| 1755 |
int c, sc; |
| 1756 |
char *tok; |
| 1757 |
|
| 1758 |
if ((s = *stringp) == NULL) |
| 1759 |
return (NULL); |
| 1760 |
for (tok = s;;) { |
| 1761 |
c = *s++; |
| 1762 |
spanp = delim; |
| 1763 |
do { |
| 1764 |
if ((sc = *spanp++) == c) { |
| 1765 |
if (c == 0) |
| 1766 |
s = NULL; |
| 1767 |
else |
| 1768 |
s[-1] = 0; |
| 1769 |
*stringp = s; |
| 1770 |
return (tok); |
| 1771 |
} |
| 1772 |
} while (sc != 0); |
| 1773 |
} |
| 1774 |
return (NULL); |
| 1775 |
} |
| 1776 |
|
| 1777 |
static struct format { |
| 1778 |
unsigned leftJustify : 1; |
| 1779 |
unsigned forceSign : 1; |
| 1780 |
unsigned altForm : 1; |
| 1781 |
unsigned zeroPad : 1; |
| 1782 |
unsigned havePrecision : 1; |
| 1783 |
unsigned hSize : 1; |
| 1784 |
unsigned lSize : 1; |
| 1785 |
unsigned LSize : 1; |
| 1786 |
char sign; |
| 1787 |
char exponent; |
| 1788 |
int fieldWidth; |
| 1789 |
int precision; |
| 1790 |
} default_format; |
| 1791 |
|
| 1792 |
int bounded_vfprintf(FILE *fp, const char *fmt, va_list arg); |
| 1793 |
static int nullio(FILE *fp, int i); |
| 1794 |
|
| 1795 |
int |
| 1796 |
bounded_vfprintf(FILE *fp, const char *fmt, va_list arg) |
| 1797 |
{ |
| 1798 |
register int c, i, nwritten = 0; |
| 1799 |
register unsigned long n; |
| 1800 |
register char *s; |
| 1801 |
#define VFPRINTF_BUFLEN 512 |
| 1802 |
char buf[VFPRINTF_BUFLEN], *digits, *t; |
| 1803 |
struct format F; |
| 1804 |
|
| 1805 |
for (c = *fmt; c; c = *++fmt) { |
| 1806 |
if (c != '%') |
| 1807 |
goto copy1; |
| 1808 |
F = default_format; |
| 1809 |
|
| 1810 |
/* decode flags */ |
| 1811 |
|
| 1812 |
for (;;) { |
| 1813 |
c = *++fmt; |
| 1814 |
if (c == '-') |
| 1815 |
F.leftJustify = TRUE; |
| 1816 |
else if (c == '+') |
| 1817 |
F.forceSign = TRUE; |
| 1818 |
else if (c == ' ') |
| 1819 |
F.sign = ' '; |
| 1820 |
else if (c == '#') |
| 1821 |
F.altForm = TRUE; |
| 1822 |
else if (c == '0') |
| 1823 |
F.zeroPad = TRUE; |
| 1824 |
else |
| 1825 |
break; |
| 1826 |
} |
| 1827 |
|
| 1828 |
/* decode field width */ |
| 1829 |
|
| 1830 |
if (c == '*') { |
| 1831 |
if ((F.fieldWidth = va_arg(arg, int)) < 0) { |
| 1832 |
F.leftJustify = TRUE; |
| 1833 |
F.fieldWidth = -F.fieldWidth; |
| 1834 |
} |
| 1835 |
c = *++fmt; |
| 1836 |
} |
| 1837 |
else { |
| 1838 |
for (; c >= '0' && c <= '9'; c = *++fmt) |
| 1839 |
F.fieldWidth = (10 * F.fieldWidth) + (c - '0'); |
| 1840 |
} |
| 1841 |
|
| 1842 |
/* decode precision */ |
| 1843 |
|
| 1844 |
if (c == '.') { |
| 1845 |
if ((c = *++fmt) == '*') { |
| 1846 |
F.precision = va_arg(arg, int); |
| 1847 |
c = *++fmt; |
| 1848 |
} |
| 1849 |
else { |
| 1850 |
for (; c >= '0' && c <= '9'; c = *++fmt) |
| 1851 |
F.precision = (10 * F.precision) + (c - '0'); |
| 1852 |
} |
| 1853 |
if (F.precision >= 0) |
| 1854 |
F.havePrecision = TRUE; |
| 1855 |
} |
| 1856 |
|
| 1857 |
/* perform appropriate conversion */ |
| 1858 |
|
| 1859 |
s = &buf[VFPRINTF_BUFLEN]; |
| 1860 |
if (F.leftJustify) |
| 1861 |
F.zeroPad = FALSE; |
| 1862 |
conv: switch (c) { |
| 1863 |
|
| 1864 |
/* 'h' size modifier */ |
| 1865 |
|
| 1866 |
case 'h': |
| 1867 |
F.hSize = TRUE; |
| 1868 |
c = *++fmt; |
| 1869 |
goto conv; |
| 1870 |
|
| 1871 |
/* 'l' size modifier */ |
| 1872 |
|
| 1873 |
case 'l': |
| 1874 |
F.lSize = TRUE; |
| 1875 |
c = *++fmt; |
| 1876 |
goto conv; |
| 1877 |
|
| 1878 |
/* 'L' size modifier */ |
| 1879 |
|
| 1880 |
case 'L': |
| 1881 |
F.LSize = TRUE; |
| 1882 |
c = *++fmt; |
| 1883 |
goto conv; |
| 1884 |
|
| 1885 |
/* decimal (signed) */ |
| 1886 |
|
| 1887 |
case 'd': |
| 1888 |
case 'i': |
| 1889 |
if (F.lSize) |
| 1890 |
n = va_arg(arg, long); |
| 1891 |
else |
| 1892 |
n = va_arg(arg, int); |
| 1893 |
if (F.hSize) |
| 1894 |
n = (short) n; |
| 1895 |
if ((long) n < 0) { |
| 1896 |
n = -n; |
| 1897 |
F.sign = '-'; |
| 1898 |
} |
| 1899 |
else if (F.forceSign) |
| 1900 |
F.sign = '+'; |
| 1901 |
goto decimal; |
| 1902 |
|
| 1903 |
/* decimal (unsigned) */ |
| 1904 |
|
| 1905 |
case 'u': |
| 1906 |
if (F.lSize) |
| 1907 |
n = va_arg(arg, unsigned long); |
| 1908 |
else |
| 1909 |
n = va_arg(arg, unsigned int); |
| 1910 |
if (F.hSize) |
| 1911 |
n = (unsigned short) n; |
| 1912 |
F.sign = 0; |
| 1913 |
goto decimal; |
| 1914 |
|
| 1915 |
/* decimal (common code) */ |
| 1916 |
|
| 1917 |
decimal: |
| 1918 |
if (!F.havePrecision) { |
| 1919 |
if (F.zeroPad) { |
| 1920 |
F.precision = F.fieldWidth; |
| 1921 |
if (F.sign) |
| 1922 |
--F.precision; |
| 1923 |
} |
| 1924 |
if (F.precision < 1) |
| 1925 |
F.precision = 1; |
| 1926 |
} |
| 1927 |
for (i = 0; n; n /= 10, i++) |
| 1928 |
*--s = n % 10 + '0'; |
| 1929 |
for (; i < F.precision; i++) |
| 1930 |
*--s = '0'; |
| 1931 |
if (F.sign) { |
| 1932 |
*--s = F.sign; |
| 1933 |
i++; |
| 1934 |
} |
| 1935 |
break; |
| 1936 |
|
| 1937 |
/* octal (unsigned) */ |
| 1938 |
|
| 1939 |
case 'o': |
| 1940 |
if (F.lSize) |
| 1941 |
n = va_arg(arg, unsigned long); |
| 1942 |
else |
| 1943 |
n = va_arg(arg, unsigned int); |
| 1944 |
if (F.hSize) |
| 1945 |
n = (unsigned short) n; |
| 1946 |
if (!F.havePrecision) { |
| 1947 |
if (F.zeroPad) |
| 1948 |
F.precision = F.fieldWidth; |
| 1949 |
if (F.precision < 1) |
| 1950 |
F.precision = 1; |
| 1951 |
} |
| 1952 |
for (i = 0; n; n /= 8, i++) |
| 1953 |
*--s = n % 8 + '0'; |
| 1954 |
if (F.altForm && i && *s != '0') { |
| 1955 |
*--s = '0'; |
| 1956 |
i++; |
| 1957 |
} |
| 1958 |
for (; i < F.precision; i++) |
| 1959 |
*--s = '0'; |
| 1960 |
break; |
| 1961 |
|
| 1962 |
/* hexadecimal (unsigned) */ |
| 1963 |
|
| 1964 |
case 'p': |
| 1965 |
F.havePrecision = F.lSize = TRUE; |
| 1966 |
F.precision = 8; |
| 1967 |
/* ... */ |
| 1968 |
case 'X': |
| 1969 |
digits = "0123456789ABCDEF"; |
| 1970 |
goto hexadecimal; |
| 1971 |
case 'x': |
| 1972 |
digits = "0123456789abcdef"; |
| 1973 |
/* ... */ |
| 1974 |
hexadecimal: |
| 1975 |
if (F.lSize) |
| 1976 |
n = va_arg(arg, unsigned long); |
| 1977 |
else |
| 1978 |
n = va_arg(arg, unsigned int); |
| 1979 |
if (F.hSize) |
| 1980 |
n = (unsigned short) n; |
| 1981 |
if (!F.havePrecision) { |
| 1982 |
if (F.zeroPad) { |
| 1983 |
F.precision = F.fieldWidth; |
| 1984 |
if (F.altForm) |
| 1985 |
F.precision -= 2; |
| 1986 |
} |
| 1987 |
if (F.precision < 1) |
| 1988 |
F.precision = 1; |
| 1989 |
} |
| 1990 |
for (i = 0; n; n /= 16, i++) |
| 1991 |
*--s = digits[n % 16]; |
| 1992 |
for (; i < F.precision; i++) |
| 1993 |
*--s = '0'; |
| 1994 |
if (F.altForm) { |
| 1995 |
*--s = c; |
| 1996 |
*--s = '0'; |
| 1997 |
i += 2; |
| 1998 |
} |
| 1999 |
break; |
| 2000 |
|
| 2001 |
/* character */ |
| 2002 |
|
| 2003 |
case 'c': |
| 2004 |
*--s = va_arg(arg, int); |
| 2005 |
i = 1; |
| 2006 |
break; |
| 2007 |
|
| 2008 |
/* string */ |
| 2009 |
|
| 2010 |
case 's': |
| 2011 |
s = va_arg(arg, char *); |
| 2012 |
if (F.altForm) { |
| 2013 |
i = (unsigned char) *s++; |
| 2014 |
if (F.havePrecision && i > F.precision) |
| 2015 |
i = F.precision; |
| 2016 |
} |
| 2017 |
else { |
| 2018 |
if (!F.havePrecision) |
| 2019 |
i = strlen(s); |
| 2020 |
else if ((t = memchr(s, '\0', F.precision)) != NULL) |
| 2021 |
i = t - s; |
| 2022 |
else |
| 2023 |
i = F.precision; |
| 2024 |
} |
| 2025 |
break; |
| 2026 |
|
| 2027 |
/* store # bytes written so far */ |
| 2028 |
|
| 2029 |
case 'n': |
| 2030 |
s = va_arg(arg, void *); |
| 2031 |
if (F.hSize) |
| 2032 |
* (short *) s = nwritten; |
| 2033 |
else if (F.lSize) |
| 2034 |
* (long *) s = nwritten; |
| 2035 |
else |
| 2036 |
* (int *) s = nwritten; |
| 2037 |
continue; |
| 2038 |
|
| 2039 |
/* oops - unknown conversion, abort */ |
| 2040 |
|
| 2041 |
default: |
| 2042 |
if (c != '%') |
| 2043 |
goto done; |
| 2044 |
copy1: |
| 2045 |
putc(c, fp); /* disregard EOF */ |
| 2046 |
++nwritten; |
| 2047 |
continue; |
| 2048 |
} |
| 2049 |
|
| 2050 |
/* pad on the left */ |
| 2051 |
|
| 2052 |
if (i < F.fieldWidth && !F.leftJustify) { |
| 2053 |
do { |
| 2054 |
putc(' ', fp); /* disregard EOF */ |
| 2055 |
++nwritten; |
| 2056 |
} while (i < --F.fieldWidth); |
| 2057 |
} |
| 2058 |
|
| 2059 |
/* write the converted result */ |
| 2060 |
|
| 2061 |
fwrite(s, 1, i, fp); /* disregard EOF */ |
| 2062 |
nwritten += i; |
| 2063 |
|
| 2064 |
/* pad on the right */ |
| 2065 |
|
| 2066 |
for (; i < F.fieldWidth; i++) { |
| 2067 |
putc(' ', fp); /* disregard EOF */ |
| 2068 |
++nwritten; |
| 2069 |
} |
| 2070 |
} |
| 2071 |
|
| 2072 |
/* all done! */ |
| 2073 |
|
| 2074 |
done: |
| 2075 |
return(nwritten); |
| 2076 |
} |
| 2077 |
|
| 2078 |
int |
| 2079 |
snprintf(char *s, size_t size, const char *fmt, ...) |
| 2080 |
{ |
| 2081 |
return(vsnprintf(s, size, fmt, __va(fmt))); |
| 2082 |
} |
| 2083 |
|
| 2084 |
static int |
| 2085 |
nullio(FILE *fp, int i) |
| 2086 |
{ |
| 2087 |
return(EOF); |
| 2088 |
} |
| 2089 |
|
| 2090 |
int |
| 2091 |
vsnprintf(char *s, size_t size, const char *fmt, void *p) |
| 2092 |
{ |
| 2093 |
FILE f; |
| 2094 |
int n; |
| 2095 |
|
| 2096 |
memset(&f, 0, sizeof(f)); |
| 2097 |
f.refnum = -1; |
| 2098 |
f.ptr = (unsigned char *) s; |
| 2099 |
f.cnt = size; |
| 2100 |
f.proc = nullio; |
| 2101 |
f.dirty = 1; |
| 2102 |
|
| 2103 |
if ((n = bounded_vfprintf(&f, fmt, p)) >= 0) |
| 2104 |
s[n] = 0; |
| 2105 |
return(n); |
| 2106 |
} |