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Diffstat (limited to 'source/xap/xpdf/patches/xpdf-3.02pl2.patch')
-rw-r--r-- | source/xap/xpdf/patches/xpdf-3.02pl2.patch | 823 |
1 files changed, 0 insertions, 823 deletions
diff --git a/source/xap/xpdf/patches/xpdf-3.02pl2.patch b/source/xap/xpdf/patches/xpdf-3.02pl2.patch deleted file mode 100644 index ab9e3c67..00000000 --- a/source/xap/xpdf/patches/xpdf-3.02pl2.patch +++ /dev/null @@ -1,823 +0,0 @@ -diff -c -r xpdf-3.02pl1.orig/xpdf/Stream.cc xpdf-3.02/xpdf/Stream.cc -*** xpdf-3.02pl1.orig/xpdf/Stream.cc Thu Oct 25 15:47:38 2007 ---- xpdf-3.02/xpdf/Stream.cc Thu Oct 25 15:48:19 2007 -*************** -*** 1243,1265 **** - columns = columnsA; - if (columns < 1) { - columns = 1; -! } -! if (columns + 4 <= 0) { -! columns = INT_MAX - 4; - } - rows = rowsA; - endOfBlock = endOfBlockA; - black = blackA; -! refLine = (short *)gmallocn(columns + 3, sizeof(short)); -! codingLine = (short *)gmallocn(columns + 2, sizeof(short)); - - eof = gFalse; - row = 0; - nextLine2D = encoding < 0; - inputBits = 0; -! codingLine[0] = 0; -! codingLine[1] = refLine[2] = columns; -! a0 = 1; - - buf = EOF; - } ---- 1243,1268 ---- - columns = columnsA; - if (columns < 1) { - columns = 1; -! } else if (columns > INT_MAX - 2) { -! columns = INT_MAX - 2; - } - rows = rowsA; - endOfBlock = endOfBlockA; - black = blackA; -! // 0 <= codingLine[0] < codingLine[1] < ... < codingLine[n] = columns -! // ---> max codingLine size = columns + 1 -! // refLine has one extra guard entry at the end -! // ---> max refLine size = columns + 2 -! codingLine = (int *)gmallocn(columns + 1, sizeof(int)); -! refLine = (int *)gmallocn(columns + 2, sizeof(int)); - - eof = gFalse; - row = 0; - nextLine2D = encoding < 0; - inputBits = 0; -! codingLine[0] = columns; -! a0i = 0; -! outputBits = 0; - - buf = EOF; - } -*************** -*** 1278,1286 **** - row = 0; - nextLine2D = encoding < 0; - inputBits = 0; -! codingLine[0] = 0; -! codingLine[1] = columns; -! a0 = 1; - buf = EOF; - - // skip any initial zero bits and end-of-line marker, and get the 2D ---- 1281,1289 ---- - row = 0; - nextLine2D = encoding < 0; - inputBits = 0; -! codingLine[0] = columns; -! a0i = 0; -! outputBits = 0; - buf = EOF; - - // skip any initial zero bits and end-of-line marker, and get the 2D -*************** -*** 1297,1507 **** - } - } - - int CCITTFaxStream::lookChar() { - short code1, code2, code3; -! int a0New; -! GBool err, gotEOL; -! int ret; -! int bits, i; - -! // if at eof just return EOF -! if (eof && codingLine[a0] >= columns) { -! return EOF; - } - - // read the next row -! err = gFalse; -! if (codingLine[a0] >= columns) { - - // 2-D encoding - if (nextLine2D) { -- // state: -- // a0New = current position in coding line (0 <= a0New <= columns) -- // codingLine[a0] = last change in coding line -- // (black-to-white if a0 is even, -- // white-to-black if a0 is odd) -- // refLine[b1] = next change in reference line of opposite color -- // to a0 -- // invariants: -- // 0 <= codingLine[a0] <= a0New -- // <= refLine[b1] <= refLine[b1+1] <= columns -- // 0 <= a0 <= columns+1 -- // refLine[0] = 0 -- // refLine[n] = refLine[n+1] = columns -- // -- for some 1 <= n <= columns+1 -- // end condition: -- // 0 = codingLine[0] <= codingLine[1] < codingLine[2] < ... -- // < codingLine[n-1] < codingLine[n] = columns -- // -- where 1 <= n <= columns+1 - for (i = 0; codingLine[i] < columns; ++i) { - refLine[i] = codingLine[i]; - } -! refLine[i] = refLine[i + 1] = columns; -! b1 = 1; -! a0New = codingLine[a0 = 0] = 0; -! do { - code1 = getTwoDimCode(); - switch (code1) { - case twoDimPass: -! if (refLine[b1] < columns) { -! a0New = refLine[b1 + 1]; -! b1 += 2; - } - break; - case twoDimHoriz: -! if ((a0 & 1) == 0) { -! code1 = code2 = 0; - do { -! code1 += code3 = getWhiteCode(); - } while (code3 >= 64); - do { -! code2 += code3 = getBlackCode(); - } while (code3 >= 64); - } else { -- code1 = code2 = 0; - do { -! code1 += code3 = getBlackCode(); - } while (code3 >= 64); - do { -! code2 += code3 = getWhiteCode(); - } while (code3 >= 64); - } -! if (code1 > 0 || code2 > 0) { -! if (a0New + code1 <= columns) { -! codingLine[a0 + 1] = a0New + code1; -! } else { -! codingLine[a0 + 1] = columns; -! } -! ++a0; -! if (codingLine[a0] + code2 <= columns) { -! codingLine[a0 + 1] = codingLine[a0] + code2; -! } else { -! codingLine[a0 + 1] = columns; -! } -! ++a0; -! a0New = codingLine[a0]; -! while (refLine[b1] <= a0New && refLine[b1] < columns) { -! b1 += 2; - } - } - break; -! case twoDimVert0: -! if (refLine[b1] < columns) { -! a0New = codingLine[++a0] = refLine[b1]; -! ++b1; -! while (refLine[b1] <= a0New && refLine[b1] < columns) { -! b1 += 2; - } -- } else { -- a0New = codingLine[++a0] = columns; - } - break; - case twoDimVertR1: -! if (refLine[b1] + 1 < columns) { -! a0New = codingLine[++a0] = refLine[b1] + 1; -! ++b1; -! while (refLine[b1] <= a0New && refLine[b1] < columns) { -! b1 += 2; - } -- } else { -- a0New = codingLine[++a0] = columns; - } - break; -! case twoDimVertL1: -! if (refLine[b1] - 1 > a0New || (a0 == 0 && refLine[b1] == 1)) { -! a0New = codingLine[++a0] = refLine[b1] - 1; -! --b1; -! while (refLine[b1] <= a0New && refLine[b1] < columns) { -! b1 += 2; - } - } - break; -! case twoDimVertR2: -! if (refLine[b1] + 2 < columns) { -! a0New = codingLine[++a0] = refLine[b1] + 2; -! ++b1; -! while (refLine[b1] <= a0New && refLine[b1] < columns) { -! b1 += 2; - } -- } else { -- a0New = codingLine[++a0] = columns; - } - break; - case twoDimVertL2: -! if (refLine[b1] - 2 > a0New || (a0 == 0 && refLine[b1] == 2)) { -! a0New = codingLine[++a0] = refLine[b1] - 2; -! --b1; -! while (refLine[b1] <= a0New && refLine[b1] < columns) { -! b1 += 2; - } -! } -! break; -! case twoDimVertR3: -! if (refLine[b1] + 3 < columns) { -! a0New = codingLine[++a0] = refLine[b1] + 3; -! ++b1; -! while (refLine[b1] <= a0New && refLine[b1] < columns) { -! b1 += 2; - } -- } else { -- a0New = codingLine[++a0] = columns; - } - break; -! case twoDimVertL3: -! if (refLine[b1] - 3 > a0New || (a0 == 0 && refLine[b1] == 3)) { -! a0New = codingLine[++a0] = refLine[b1] - 3; -! --b1; -! while (refLine[b1] <= a0New && refLine[b1] < columns) { -! b1 += 2; - } - } - break; - case EOF: - eof = gTrue; -! codingLine[a0 = 0] = columns; -! return EOF; - default: - error(getPos(), "Bad 2D code %04x in CCITTFax stream", code1); - err = gTrue; - break; - } -! } while (codingLine[a0] < columns); - - // 1-D encoding - } else { -! codingLine[a0 = 0] = 0; -! while (1) { - code1 = 0; -! do { -! code1 += code3 = getWhiteCode(); -! } while (code3 >= 64); -! codingLine[a0+1] = codingLine[a0] + code1; -! ++a0; -! if (codingLine[a0] >= columns) { -! break; -! } -! code2 = 0; -! do { -! code2 += code3 = getBlackCode(); -! } while (code3 >= 64); -! codingLine[a0+1] = codingLine[a0] + code2; -! ++a0; -! if (codingLine[a0] >= columns) { -! break; - } - } - } - -- if (codingLine[a0] != columns) { -- error(getPos(), "CCITTFax row is wrong length (%d)", codingLine[a0]); -- // force the row to be the correct length -- while (codingLine[a0] > columns) { -- --a0; -- } -- codingLine[++a0] = columns; -- err = gTrue; -- } -- - // byte-align the row - if (byteAlign) { - inputBits &= ~7; ---- 1300,1529 ---- - } - } - -+ inline void CCITTFaxStream::addPixels(int a1, int blackPixels) { -+ if (a1 > codingLine[a0i]) { -+ if (a1 > columns) { -+ error(getPos(), "CCITTFax row is wrong length (%d)", a1); -+ err = gTrue; -+ a1 = columns; -+ } -+ if ((a0i & 1) ^ blackPixels) { -+ ++a0i; -+ } -+ codingLine[a0i] = a1; -+ } -+ } -+ -+ inline void CCITTFaxStream::addPixelsNeg(int a1, int blackPixels) { -+ if (a1 > codingLine[a0i]) { -+ if (a1 > columns) { -+ error(getPos(), "CCITTFax row is wrong length (%d)", a1); -+ err = gTrue; -+ a1 = columns; -+ } -+ if ((a0i & 1) ^ blackPixels) { -+ ++a0i; -+ } -+ codingLine[a0i] = a1; -+ } else if (a1 < codingLine[a0i]) { -+ if (a1 < 0) { -+ error(getPos(), "Invalid CCITTFax code"); -+ err = gTrue; -+ a1 = 0; -+ } -+ while (a0i > 0 && a1 <= codingLine[a0i - 1]) { -+ --a0i; -+ } -+ codingLine[a0i] = a1; -+ } -+ } -+ - int CCITTFaxStream::lookChar() { - short code1, code2, code3; -! int b1i, blackPixels, i, bits; -! GBool gotEOL; - -! if (buf != EOF) { -! return buf; - } - - // read the next row -! if (outputBits == 0) { -! -! // if at eof just return EOF -! if (eof) { -! return EOF; -! } -! -! err = gFalse; - - // 2-D encoding - if (nextLine2D) { - for (i = 0; codingLine[i] < columns; ++i) { - refLine[i] = codingLine[i]; - } -! refLine[i++] = columns; -! refLine[i] = columns; -! codingLine[0] = 0; -! a0i = 0; -! b1i = 0; -! blackPixels = 0; -! // invariant: -! // refLine[b1i-1] <= codingLine[a0i] < refLine[b1i] < refLine[b1i+1] -! // <= columns -! // exception at left edge: -! // codingLine[a0i = 0] = refLine[b1i = 0] = 0 is possible -! // exception at right edge: -! // refLine[b1i] = refLine[b1i+1] = columns is possible -! while (codingLine[a0i] < columns) { - code1 = getTwoDimCode(); - switch (code1) { - case twoDimPass: -! addPixels(refLine[b1i + 1], blackPixels); -! if (refLine[b1i + 1] < columns) { -! b1i += 2; - } - break; - case twoDimHoriz: -! code1 = code2 = 0; -! if (blackPixels) { - do { -! code1 += code3 = getBlackCode(); - } while (code3 >= 64); - do { -! code2 += code3 = getWhiteCode(); - } while (code3 >= 64); - } else { - do { -! code1 += code3 = getWhiteCode(); - } while (code3 >= 64); - do { -! code2 += code3 = getBlackCode(); - } while (code3 >= 64); - } -! addPixels(codingLine[a0i] + code1, blackPixels); -! if (codingLine[a0i] < columns) { -! addPixels(codingLine[a0i] + code2, blackPixels ^ 1); -! } -! while (refLine[b1i] <= codingLine[a0i] && refLine[b1i] < columns) { -! b1i += 2; -! } -! break; -! case twoDimVertR3: -! addPixels(refLine[b1i] + 3, blackPixels); -! blackPixels ^= 1; -! if (codingLine[a0i] < columns) { -! ++b1i; -! while (refLine[b1i] <= codingLine[a0i] && refLine[b1i] < columns) { -! b1i += 2; - } - } - break; -! case twoDimVertR2: -! addPixels(refLine[b1i] + 2, blackPixels); -! blackPixels ^= 1; -! if (codingLine[a0i] < columns) { -! ++b1i; -! while (refLine[b1i] <= codingLine[a0i] && refLine[b1i] < columns) { -! b1i += 2; - } - } - break; - case twoDimVertR1: -! addPixels(refLine[b1i] + 1, blackPixels); -! blackPixels ^= 1; -! if (codingLine[a0i] < columns) { -! ++b1i; -! while (refLine[b1i] <= codingLine[a0i] && refLine[b1i] < columns) { -! b1i += 2; - } - } - break; -! case twoDimVert0: -! addPixels(refLine[b1i], blackPixels); -! blackPixels ^= 1; -! if (codingLine[a0i] < columns) { -! ++b1i; -! while (refLine[b1i] <= codingLine[a0i] && refLine[b1i] < columns) { -! b1i += 2; - } - } - break; -! case twoDimVertL3: -! addPixelsNeg(refLine[b1i] - 3, blackPixels); -! blackPixels ^= 1; -! if (codingLine[a0i] < columns) { -! if (b1i > 0) { -! --b1i; -! } else { -! ++b1i; -! } -! while (refLine[b1i] <= codingLine[a0i] && refLine[b1i] < columns) { -! b1i += 2; - } - } - break; - case twoDimVertL2: -! addPixelsNeg(refLine[b1i] - 2, blackPixels); -! blackPixels ^= 1; -! if (codingLine[a0i] < columns) { -! if (b1i > 0) { -! --b1i; -! } else { -! ++b1i; - } -! while (refLine[b1i] <= codingLine[a0i] && refLine[b1i] < columns) { -! b1i += 2; - } - } - break; -! case twoDimVertL1: -! addPixelsNeg(refLine[b1i] - 1, blackPixels); -! blackPixels ^= 1; -! if (codingLine[a0i] < columns) { -! if (b1i > 0) { -! --b1i; -! } else { -! ++b1i; -! } -! while (refLine[b1i] <= codingLine[a0i] && refLine[b1i] < columns) { -! b1i += 2; - } - } - break; - case EOF: -+ addPixels(columns, 0); - eof = gTrue; -! break; - default: - error(getPos(), "Bad 2D code %04x in CCITTFax stream", code1); -+ addPixels(columns, 0); - err = gTrue; - break; - } -! } - - // 1-D encoding - } else { -! codingLine[0] = 0; -! a0i = 0; -! blackPixels = 0; -! while (codingLine[a0i] < columns) { - code1 = 0; -! if (blackPixels) { -! do { -! code1 += code3 = getBlackCode(); -! } while (code3 >= 64); -! } else { -! do { -! code1 += code3 = getWhiteCode(); -! } while (code3 >= 64); - } -+ addPixels(codingLine[a0i] + code1, blackPixels); -+ blackPixels ^= 1; - } - } - - // byte-align the row - if (byteAlign) { - inputBits &= ~7; -*************** -*** 1560,1573 **** - // this if we know the stream contains end-of-line markers because - // the "just plow on" technique tends to work better otherwise - } else if (err && endOfLine) { -! do { - if (code1 == EOF) { - eof = gTrue; - return EOF; - } - eatBits(1); -! code1 = lookBits(13); -! } while ((code1 >> 1) != 0x001); - eatBits(12); - if (encoding > 0) { - eatBits(1); ---- 1582,1598 ---- - // this if we know the stream contains end-of-line markers because - // the "just plow on" technique tends to work better otherwise - } else if (err && endOfLine) { -! while (1) { -! code1 = lookBits(13); - if (code1 == EOF) { - eof = gTrue; - return EOF; - } -+ if ((code1 >> 1) == 0x001) { -+ break; -+ } - eatBits(1); -! } - eatBits(12); - if (encoding > 0) { - eatBits(1); -*************** -*** 1575,1585 **** - } - } - -! a0 = 0; -! outputBits = codingLine[1] - codingLine[0]; -! if (outputBits == 0) { -! a0 = 1; -! outputBits = codingLine[2] - codingLine[1]; - } - - ++row; ---- 1600,1610 ---- - } - } - -! // set up for output -! if (codingLine[0] > 0) { -! outputBits = codingLine[a0i = 0]; -! } else { -! outputBits = codingLine[a0i = 1]; - } - - ++row; -*************** -*** 1587,1625 **** - - // get a byte - if (outputBits >= 8) { -! ret = ((a0 & 1) == 0) ? 0xff : 0x00; -! if ((outputBits -= 8) == 0) { -! ++a0; -! if (codingLine[a0] < columns) { -! outputBits = codingLine[a0 + 1] - codingLine[a0]; -! } - } - } else { - bits = 8; -! ret = 0; - do { - if (outputBits > bits) { -! i = bits; -! bits = 0; -! if ((a0 & 1) == 0) { -! ret |= 0xff >> (8 - i); - } -! outputBits -= i; - } else { -! i = outputBits; -! bits -= outputBits; -! if ((a0 & 1) == 0) { -! ret |= (0xff >> (8 - i)) << bits; - } - outputBits = 0; -! ++a0; -! if (codingLine[a0] < columns) { -! outputBits = codingLine[a0 + 1] - codingLine[a0]; - } - } -! } while (bits > 0 && codingLine[a0] < columns); - } -- buf = black ? (ret ^ 0xff) : ret; - return buf; - } - ---- 1612,1654 ---- - - // get a byte - if (outputBits >= 8) { -! buf = (a0i & 1) ? 0x00 : 0xff; -! outputBits -= 8; -! if (outputBits == 0 && codingLine[a0i] < columns) { -! ++a0i; -! outputBits = codingLine[a0i] - codingLine[a0i - 1]; - } - } else { - bits = 8; -! buf = 0; - do { - if (outputBits > bits) { -! buf <<= bits; -! if (!(a0i & 1)) { -! buf |= 0xff >> (8 - bits); - } -! outputBits -= bits; -! bits = 0; - } else { -! buf <<= outputBits; -! if (!(a0i & 1)) { -! buf |= 0xff >> (8 - outputBits); - } -+ bits -= outputBits; - outputBits = 0; -! if (codingLine[a0i] < columns) { -! ++a0i; -! outputBits = codingLine[a0i] - codingLine[a0i - 1]; -! } else if (bits > 0) { -! buf <<= bits; -! bits = 0; - } - } -! } while (bits); -! } -! if (black) { -! buf ^= 0xff; - } - return buf; - } - -*************** -*** 1661,1666 **** ---- 1690,1698 ---- - code = 0; // make gcc happy - if (endOfBlock) { - code = lookBits(12); -+ if (code == EOF) { -+ return 1; -+ } - if ((code >> 5) == 0) { - p = &whiteTab1[code]; - } else { -*************** -*** 1673,1678 **** ---- 1705,1713 ---- - } else { - for (n = 1; n <= 9; ++n) { - code = lookBits(n); -+ if (code == EOF) { -+ return 1; -+ } - if (n < 9) { - code <<= 9 - n; - } -*************** -*** 1684,1689 **** ---- 1719,1727 ---- - } - for (n = 11; n <= 12; ++n) { - code = lookBits(n); -+ if (code == EOF) { -+ return 1; -+ } - if (n < 12) { - code <<= 12 - n; - } -*************** -*** 1709,1717 **** - code = 0; // make gcc happy - if (endOfBlock) { - code = lookBits(13); - if ((code >> 7) == 0) { - p = &blackTab1[code]; -! } else if ((code >> 9) == 0) { - p = &blackTab2[(code >> 1) - 64]; - } else { - p = &blackTab3[code >> 7]; ---- 1747,1758 ---- - code = 0; // make gcc happy - if (endOfBlock) { - code = lookBits(13); -+ if (code == EOF) { -+ return 1; -+ } - if ((code >> 7) == 0) { - p = &blackTab1[code]; -! } else if ((code >> 9) == 0 && (code >> 7) != 0) { - p = &blackTab2[(code >> 1) - 64]; - } else { - p = &blackTab3[code >> 7]; -*************** -*** 1723,1728 **** ---- 1764,1772 ---- - } else { - for (n = 2; n <= 6; ++n) { - code = lookBits(n); -+ if (code == EOF) { -+ return 1; -+ } - if (n < 6) { - code <<= 6 - n; - } -*************** -*** 1734,1739 **** ---- 1778,1786 ---- - } - for (n = 7; n <= 12; ++n) { - code = lookBits(n); -+ if (code == EOF) { -+ return 1; -+ } - if (n < 12) { - code <<= 12 - n; - } -*************** -*** 1747,1752 **** ---- 1794,1802 ---- - } - for (n = 10; n <= 13; ++n) { - code = lookBits(n); -+ if (code == EOF) { -+ return 1; -+ } - if (n < 13) { - code <<= 13 - n; - } -*************** -*** 1961,1966 **** ---- 2011,2022 ---- - // allocate a buffer for the whole image - bufWidth = ((width + mcuWidth - 1) / mcuWidth) * mcuWidth; - bufHeight = ((height + mcuHeight - 1) / mcuHeight) * mcuHeight; -+ if (bufWidth <= 0 || bufHeight <= 0 || -+ bufWidth > INT_MAX / bufWidth / (int)sizeof(int)) { -+ error(getPos(), "Invalid image size in DCT stream"); -+ y = height; -+ return; -+ } - for (i = 0; i < numComps; ++i) { - frameBuf[i] = (int *)gmallocn(bufWidth * bufHeight, sizeof(int)); - memset(frameBuf[i], 0, bufWidth * bufHeight * sizeof(int)); -*************** -*** 3036,3041 **** ---- 3092,3102 ---- - } - scanInfo.firstCoeff = str->getChar(); - scanInfo.lastCoeff = str->getChar(); -+ if (scanInfo.firstCoeff < 0 || scanInfo.lastCoeff > 63 || -+ scanInfo.firstCoeff > scanInfo.lastCoeff) { -+ error(getPos(), "Bad DCT coefficient numbers in scan info block"); -+ return gFalse; -+ } - c = str->getChar(); - scanInfo.ah = (c >> 4) & 0x0f; - scanInfo.al = c & 0x0f; -diff -c -r xpdf-3.02pl1.orig/xpdf/Stream.h xpdf-3.02/xpdf/Stream.h -*** xpdf-3.02pl1.orig/xpdf/Stream.h Tue Feb 27 14:05:52 2007 ---- xpdf-3.02/xpdf/Stream.h Thu Oct 25 15:48:15 2007 -*************** -*** 528,540 **** - int row; // current row - int inputBuf; // input buffer - int inputBits; // number of bits in input buffer -! short *refLine; // reference line changing elements -! int b1; // index into refLine -! short *codingLine; // coding line changing elements -! int a0; // index into codingLine - int outputBits; // remaining ouput bits - int buf; // character buffer - - short getTwoDimCode(); - short getWhiteCode(); - short getBlackCode(); ---- 528,542 ---- - int row; // current row - int inputBuf; // input buffer - int inputBits; // number of bits in input buffer -! int *codingLine; // coding line changing elements -! int *refLine; // reference line changing elements -! int a0i; // index into codingLine -! GBool err; // error on current line - int outputBits; // remaining ouput bits - int buf; // character buffer - -+ void addPixels(int a1, int black); -+ void addPixelsNeg(int a1, int black); - short getTwoDimCode(); - short getWhiteCode(); - short getBlackCode(); |