| … | |
… | |
| 19 | |
19 | |
| 20 | #include "config.h" |
20 | #include "config.h" |
| 21 | #include "compat.h" |
21 | #include "compat.h" |
| 22 | |
22 | |
| 23 | #include <stdlib.h> |
23 | #include <stdlib.h> |
|
|
24 | #include <math.h> |
| 24 | |
25 | |
| 25 | #include "parse_routines.h" |
26 | #include "parse_routines.h" |
| 26 | #include "error.h" |
27 | #include "error.h" |
| 27 | |
28 | |
| 28 | psiconv_u8 psiconv_read_u8(const psiconv_buffer buf,int lev,psiconv_u32 off, |
29 | psiconv_u8 psiconv_read_u8(const psiconv_buffer buf,int lev,psiconv_u32 off, |
| … | |
… | |
| 301 | *status = localstatus; |
302 | *status = localstatus; |
| 302 | if (length) |
303 | if (length) |
| 303 | *length = 0; |
304 | *length = 0; |
| 304 | return NULL; |
305 | return NULL; |
| 305 | } |
306 | } |
|
|
307 | |
|
|
308 | psiconv_string_t psiconv_read_short_string(const psiconv_buffer buf, |
|
|
309 | int lev, |
|
|
310 | psiconv_u32 off,int *length, int *status) |
|
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311 | { |
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312 | int stringlen,i,len,localstatus; |
|
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313 | psiconv_string_t result; |
|
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314 | char *res_copy; |
|
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315 | |
|
|
316 | psiconv_progress(lev+1,off,"Going to read a short string"); |
|
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317 | |
|
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318 | stringlen = psiconv_read_u8(buf,lev+2,off,&localstatus); |
|
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319 | if (localstatus) |
|
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320 | goto ERROR1; |
|
|
321 | psiconv_debug(lev+2,off,"Length: %i",stringlen); |
|
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322 | len = 1; |
|
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323 | |
|
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324 | result = malloc(stringlen + 1); |
|
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325 | if (!result) |
|
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326 | goto ERROR1; |
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327 | for (i = 0; (i < stringlen) && !localstatus; i++) |
|
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328 | result[i] = psiconv_read_u8(buf,lev,off+i+len,&localstatus); |
|
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329 | if (localstatus) |
|
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330 | goto ERROR2; |
|
|
331 | result[stringlen] = 0; |
|
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332 | len += stringlen; |
|
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333 | |
|
|
334 | res_copy = psiconv_make_printable(result); |
|
|
335 | if (!res_copy) |
|
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336 | goto ERROR2; |
|
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337 | psiconv_debug(lev+2,off,"Contents: `%s'",res_copy); |
|
|
338 | free(res_copy); |
|
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339 | |
|
|
340 | if (length) |
|
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341 | *length = len; |
|
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342 | |
|
|
343 | if (status) |
|
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344 | *status = 0; |
|
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345 | |
|
|
346 | psiconv_progress(lev+1,off+len-1,"End of short string (total length: %08x)", |
|
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347 | len); |
|
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348 | |
|
|
349 | return result; |
|
|
350 | |
|
|
351 | |
|
|
352 | ERROR2: |
|
|
353 | free(result); |
|
|
354 | ERROR1: |
|
|
355 | psiconv_warn(lev+1,off,"Reading of short string failed"); |
|
|
356 | if (status) |
|
|
357 | *status = localstatus; |
|
|
358 | if (length) |
|
|
359 | *length = 0; |
|
|
360 | return NULL; |
|
|
361 | } |
|
|
362 | |
|
|
363 | psiconv_float_t psiconv_read_float(const psiconv_buffer buf, int lev, |
|
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364 | psiconv_u32 off, int *length, int *status) |
|
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365 | { |
|
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366 | psiconv_float_t result,bitvalue; |
|
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367 | int res,bit; |
|
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368 | psiconv_u32 temp=0; |
|
|
369 | |
|
|
370 | psiconv_progress(lev+1,off,"Going to read a float"); |
|
|
371 | |
|
|
372 | bitvalue = 0.5; |
|
|
373 | result = 1.0; |
|
|
374 | for (bit = 0x33; bit > 0; bit--) { |
|
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375 | if ((bit == 0x33) || ((bit & 0x07) == 0x07)) |
|
|
376 | temp = psiconv_read_u8(buf,lev+2,off+ (bit >> 3),&res); |
|
|
377 | if (res) |
|
|
378 | goto ERROR; |
|
|
379 | if (temp & (0x01 << (bit & 0x07))) |
|
|
380 | result += bitvalue; |
|
|
381 | bitvalue /= 2.0; |
|
|
382 | } |
|
|
383 | temp = psiconv_read_u16(buf,lev+2,off+6,&res); |
|
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384 | if (res) |
|
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385 | goto ERROR; |
|
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386 | if (temp & 0x8000) |
|
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387 | result = -result; |
|
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388 | temp = (temp & 0x7ff0) >> 4; |
|
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389 | result *= pow(2.0,((int) temp)-0x3ff); |
|
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390 | psiconv_debug(lev+1,off,"Float value: %f",result); |
|
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391 | if (length) |
|
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392 | *length = 8; |
|
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393 | if (*status) |
|
|
394 | *status = res; |
|
|
395 | return result; |
|
|
396 | ERROR: |
|
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397 | psiconv_warn(lev+1,off,"Reading of float failed"); |
|
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398 | if (length) |
|
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399 | *length = 0; |
|
|
400 | if (*status) |
|
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401 | *status = res; |
|
|
402 | return 0.0; |
|
|
403 | } |
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