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-rw-r--r--core/fpdfapi/page/cpdf_streamparser.cpp24
-rw-r--r--core/fpdfapi/parser/cpdf_stream_acc.cpp6
-rw-r--r--core/fpdfapi/parser/fpdf_parser_decode.cpp204
-rw-r--r--core/fpdfapi/parser/fpdf_parser_decode.h41
-rw-r--r--core/fpdfapi/parser/fpdf_parser_decode_embeddertest.cpp2
-rw-r--r--core/fpdfapi/parser/fpdf_parser_decode_unittest.cpp4
-rw-r--r--core/fpdfdoc/cpdf_formfield.cpp3
-rw-r--r--core/fpdfdoc/cpvt_generateap.cpp2
-rw-r--r--core/fxcodec/codec/ccodec_flatemodule.h6
-rw-r--r--core/fxcodec/codec/fx_codec_flate.cpp52
-rw-r--r--core/fxcodec/codec/fx_codec_rle_unittest.cpp14
-rw-r--r--fpdfsdk/fxedit/fxet_edit.cpp2
-rw-r--r--xfa/fxfa/parser/cxfa_localemgr.cpp2
13 files changed, 178 insertions, 184 deletions
diff --git a/core/fpdfapi/page/cpdf_streamparser.cpp b/core/fpdfapi/page/cpdf_streamparser.cpp
index c3dc54a734..37ab857816 100644
--- a/core/fpdfapi/page/cpdf_streamparser.cpp
+++ b/core/fpdfapi/page/cpdf_streamparser.cpp
@@ -36,8 +36,8 @@ const uint32_t kMaxWordBuffer = 256;
const FX_STRSIZE kMaxStringLength = 32767;
uint32_t DecodeAllScanlines(std::unique_ptr<CCodec_ScanlineDecoder> pDecoder,
- uint8_t*& dest_buf,
- uint32_t& dest_size) {
+ uint8_t** dest_buf,
+ uint32_t* dest_size) {
if (!pDecoder)
return FX_INVALID_OFFSET;
int ncomps = pDecoder->CountComps();
@@ -48,14 +48,14 @@ uint32_t DecodeAllScanlines(std::unique_ptr<CCodec_ScanlineDecoder> pDecoder,
if (height == 0 || pitch > (1 << 30) / height)
return FX_INVALID_OFFSET;
- dest_buf = FX_Alloc2D(uint8_t, pitch, height);
- dest_size = pitch * height; // Safe since checked alloc returned.
- for (int row = 0; row < height; row++) {
+ *dest_buf = FX_Alloc2D(uint8_t, pitch, height);
+ *dest_size = pitch * height; // Safe since checked alloc returned.
+ for (int row = 0; row < height; ++row) {
const uint8_t* pLine = pDecoder->GetScanline(row);
if (!pLine)
break;
- memcpy(dest_buf + row * pitch, pLine, pitch);
+ memcpy(*dest_buf + row * pitch, pLine, pitch);
}
return pDecoder->GetSrcOffset();
}
@@ -66,8 +66,8 @@ uint32_t PDF_DecodeInlineStream(const uint8_t* src_buf,
int height,
const CFX_ByteString& decoder,
CPDF_Dictionary* pParam,
- uint8_t*& dest_buf,
- uint32_t& dest_size) {
+ uint8_t** dest_buf,
+ uint32_t* dest_size) {
if (decoder == "CCITTFaxDecode" || decoder == "CCF") {
std::unique_ptr<CCodec_ScanlineDecoder> pDecoder =
FPDFAPI_CreateFaxDecoder(src_buf, limit, width, height, pParam);
@@ -78,7 +78,7 @@ uint32_t PDF_DecodeInlineStream(const uint8_t* src_buf,
if (decoder == "ASCIIHexDecode" || decoder == "AHx")
return HexDecode(src_buf, limit, dest_buf, dest_size);
if (decoder == "FlateDecode" || decoder == "Fl") {
- return FPDFAPI_FlateOrLZWDecode(false, src_buf, limit, pParam, dest_size,
+ return FPDFAPI_FlateOrLZWDecode(false, src_buf, limit, pParam, *dest_size,
dest_buf, dest_size);
}
if (decoder == "LZWDecode" || decoder == "LZW") {
@@ -94,8 +94,8 @@ uint32_t PDF_DecodeInlineStream(const uint8_t* src_buf,
}
if (decoder == "RunLengthDecode" || decoder == "RL")
return RunLengthDecode(src_buf, limit, dest_buf, dest_size);
- dest_size = 0;
- dest_buf = 0;
+ *dest_size = 0;
+ *dest_buf = 0;
return 0xFFFFFFFF;
}
@@ -194,7 +194,7 @@ std::unique_ptr<CPDF_Stream> CPDF_StreamParser::ReadInlineStream(
uint32_t dwDestSize = OrigSize;
dwStreamSize =
PDF_DecodeInlineStream(m_pBuf + m_Pos, m_Size - m_Pos, width, height,
- Decoder, pParam, pIgnore, dwDestSize);
+ Decoder, pParam, &pIgnore, &dwDestSize);
FX_Free(pIgnore);
if (static_cast<int>(dwStreamSize) < 0)
return nullptr;
diff --git a/core/fpdfapi/parser/cpdf_stream_acc.cpp b/core/fpdfapi/parser/cpdf_stream_acc.cpp
index fe333e4d2b..ccc3fdae53 100644
--- a/core/fpdfapi/parser/cpdf_stream_acc.cpp
+++ b/core/fpdfapi/parser/cpdf_stream_acc.cpp
@@ -42,9 +42,9 @@ void CPDF_StreamAcc::LoadAllData(bool bRawAccess,
if (!m_pStream->HasFilter() || bRawAccess) {
m_pData = pSrcData;
m_dwSize = dwSrcSize;
- } else if (!PDF_DataDecode(pSrcData, dwSrcSize, m_pStream->GetDict(), m_pData,
- m_dwSize, &m_ImageDecoder, m_pImageParam,
- estimated_size, bImageAcc)) {
+ } else if (!PDF_DataDecode(pSrcData, dwSrcSize, m_pStream->GetDict(),
+ estimated_size, bImageAcc, &m_pData, &m_dwSize,
+ &m_ImageDecoder, &m_pImageParam)) {
m_pData = pSrcData;
m_dwSize = dwSrcSize;
}
diff --git a/core/fpdfapi/parser/fpdf_parser_decode.cpp b/core/fpdfapi/parser/fpdf_parser_decode.cpp
index a2ba203488..ddd6b1462d 100644
--- a/core/fpdfapi/parser/fpdf_parser_decode.cpp
+++ b/core/fpdfapi/parser/fpdf_parser_decode.cpp
@@ -19,6 +19,7 @@
#include "core/fpdfapi/parser/fpdf_parser_utility.h"
#include "core/fxcodec/fx_codec.h"
#include "core/fxcrt/fx_extension.h"
+#include "third_party/base/numerics/safe_math.h"
#include "third_party/base/stl_util.h"
namespace {
@@ -29,15 +30,13 @@ bool CheckFlateDecodeParams(int Colors, int BitsPerComponent, int Columns) {
if (Colors < 0 || BitsPerComponent < 0 || Columns < 0)
return false;
- int check = Columns;
- if (check > 0 && Colors > INT_MAX / check)
- return false;
-
+ pdfium::base::CheckedNumeric<int> check = Columns;
check *= Colors;
- if (check > 0 && BitsPerComponent > INT_MAX / check)
+ check *= BitsPerComponent;
+ if (!check.IsValid())
return false;
- return check * BitsPerComponent <= INT_MAX - 7;
+ return check.ValueOrDie() <= INT_MAX - 7;
}
} // namespace
@@ -75,10 +74,10 @@ const uint16_t PDFDocEncoding[256] = {
uint32_t A85Decode(const uint8_t* src_buf,
uint32_t src_size,
- uint8_t*& dest_buf,
- uint32_t& dest_size) {
- dest_size = 0;
- dest_buf = nullptr;
+ uint8_t** dest_buf,
+ uint32_t* dest_size) {
+ *dest_size = 0;
+ *dest_buf = nullptr;
if (src_size == 0)
return 0;
@@ -105,26 +104,27 @@ uint32_t A85Decode(const uint8_t* src_buf,
if (zcount > (UINT_MAX - space_for_non_zeroes) / 4)
return 0xFFFFFFFF;
- dest_buf = FX_Alloc(uint8_t, zcount * 4 + space_for_non_zeroes);
+ *dest_buf = FX_Alloc(uint8_t, zcount * 4 + space_for_non_zeroes);
size_t state = 0;
uint32_t res = 0;
- pos = dest_size = 0;
+ pos = 0;
while (pos < src_size) {
uint8_t ch = src_buf[pos++];
if (PDFCharIsLineEnding(ch) || ch == ' ' || ch == '\t')
continue;
if (ch == 'z') {
- memset(dest_buf + dest_size, 0, 4);
+ memset(*dest_buf + *dest_size, 0, 4);
state = 0;
res = 0;
- dest_size += 4;
+ *dest_size += 4;
} else if (ch >= '!' && ch <= 'u') {
res = res * 85 + ch - 33;
state++;
if (state == 5) {
- for (size_t i = 0; i < 4; i++) {
- dest_buf[dest_size++] = (uint8_t)(res >> (3 - i) * 8);
+ for (size_t i = 0; i < 4; ++i) {
+ (*dest_buf)[(*dest_size)++] =
+ static_cast<uint8_t>(res >> (3 - i) * 8);
}
state = 0;
res = 0;
@@ -136,34 +136,34 @@ uint32_t A85Decode(const uint8_t* src_buf,
}
// Handle partial group.
if (state) {
- for (size_t i = state; i < 5; i++)
+ for (size_t i = state; i < 5; ++i)
res = res * 85 + 84;
- for (size_t i = 0; i < state - 1; i++)
- dest_buf[dest_size++] = (uint8_t)(res >> (3 - i) * 8);
+ for (size_t i = 0; i < state - 1; ++i)
+ (*dest_buf)[(*dest_size)++] = static_cast<uint8_t>(res >> (3 - i) * 8);
}
if (pos < src_size && src_buf[pos] == '>')
- pos++;
+ ++pos;
return pos;
}
uint32_t HexDecode(const uint8_t* src_buf,
uint32_t src_size,
- uint8_t*& dest_buf,
- uint32_t& dest_size) {
- dest_size = 0;
+ uint8_t** dest_buf,
+ uint32_t* dest_size) {
+ *dest_size = 0;
if (src_size == 0) {
- dest_buf = nullptr;
+ *dest_buf = nullptr;
return 0;
}
uint32_t i = 0;
// Find the end of data.
while (i < src_size && src_buf[i] != '>')
- i++;
+ ++i;
- dest_buf = FX_Alloc(uint8_t, i / 2 + 1);
+ *dest_buf = FX_Alloc(uint8_t, i / 2 + 1);
bool bFirst = true;
- for (i = 0; i < src_size; i++) {
+ for (i = 0; i < src_size; ++i) {
uint8_t ch = src_buf[i];
if (PDFCharIsLineEnding(ch) || ch == ' ' || ch == '\t')
continue;
@@ -177,44 +177,43 @@ uint32_t HexDecode(const uint8_t* src_buf,
int digit = FXSYS_HexCharToInt(ch);
if (bFirst)
- dest_buf[dest_size] = digit * 16;
+ (*dest_buf)[*dest_size] = digit * 16;
else
- dest_buf[dest_size++] += digit;
-
+ (*dest_buf)[(*dest_size)++] += digit;
bFirst = !bFirst;
}
if (!bFirst)
- dest_size++;
+ ++(*dest_size);
return i;
}
uint32_t RunLengthDecode(const uint8_t* src_buf,
uint32_t src_size,
- uint8_t*& dest_buf,
- uint32_t& dest_size) {
+ uint8_t** dest_buf,
+ uint32_t* dest_size) {
uint32_t i = 0;
- dest_size = 0;
+ *dest_size = 0;
while (i < src_size) {
if (src_buf[i] == 128)
break;
- uint32_t old = dest_size;
+ uint32_t old = *dest_size;
if (src_buf[i] < 128) {
- dest_size += src_buf[i] + 1;
- if (dest_size < old)
+ *dest_size += src_buf[i] + 1;
+ if (*dest_size < old)
return FX_INVALID_OFFSET;
i += src_buf[i] + 2;
} else {
- dest_size += 257 - src_buf[i];
- if (dest_size < old)
+ *dest_size += 257 - src_buf[i];
+ if (*dest_size < old)
return FX_INVALID_OFFSET;
i += 2;
}
}
- if (dest_size >= kMaxStreamSize)
+ if (*dest_size >= kMaxStreamSize)
return FX_INVALID_OFFSET;
- dest_buf = FX_Alloc(uint8_t, dest_size);
+ *dest_buf = FX_Alloc(uint8_t, *dest_size);
i = 0;
int dest_count = 0;
while (i < src_size) {
@@ -227,22 +226,20 @@ uint32_t RunLengthDecode(const uint8_t* src_buf,
if (buf_left < copy_len) {
uint32_t delta = copy_len - buf_left;
copy_len = buf_left;
- memset(dest_buf + dest_count + copy_len, '\0', delta);
+ memset(*dest_buf + dest_count + copy_len, '\0', delta);
}
- memcpy(dest_buf + dest_count, src_buf + i + 1, copy_len);
+ memcpy(*dest_buf + dest_count, src_buf + i + 1, copy_len);
dest_count += src_buf[i] + 1;
i += src_buf[i] + 2;
} else {
int fill = 0;
- if (i < src_size - 1) {
+ if (i < src_size - 1)
fill = src_buf[i + 1];
- }
- memset(dest_buf + dest_count, fill, 257 - src_buf[i]);
+ memset(*dest_buf + dest_count, fill, 257 - src_buf[i]);
dest_count += 257 - src_buf[i];
i += 2;
}
}
-
return std::min(i + 1, src_size);
}
@@ -265,9 +262,8 @@ std::unique_ptr<CCodec_ScanlineDecoder> FPDFAPI_CreateFaxDecoder(
BlackIs1 = !!pParams->GetIntegerFor("BlackIs1");
Columns = pParams->GetIntegerFor("Columns", 1728);
Rows = pParams->GetIntegerFor("Rows");
- if (Rows > USHRT_MAX) {
+ if (Rows > USHRT_MAX)
Rows = 0;
- }
}
return CPDF_ModuleMgr::Get()->GetFaxModule()->CreateDecoder(
src_buf, src_size, width, height, K, EndOfLine, ByteAlign, BlackIs1,
@@ -283,7 +279,9 @@ std::unique_ptr<CCodec_ScanlineDecoder> FPDFAPI_CreateFlateDecoder(
int bpc,
const CPDF_Dictionary* pParams) {
int predictor = 0;
- int Colors = 0, BitsPerComponent = 0, Columns = 0;
+ int Colors = 0;
+ int BitsPerComponent = 0;
+ int Columns = 0;
if (pParams) {
predictor = pParams->GetIntegerFor("Predictor");
Colors = pParams->GetIntegerFor("Colors", 1);
@@ -302,8 +300,8 @@ uint32_t FPDFAPI_FlateOrLZWDecode(bool bLZW,
uint32_t src_size,
CPDF_Dictionary* pParams,
uint32_t estimated_size,
- uint8_t*& dest_buf,
- uint32_t& dest_size) {
+ uint8_t** dest_buf,
+ uint32_t* dest_size) {
int predictor = 0;
int Colors = 0;
int BitsPerComponent = 0;
@@ -326,12 +324,12 @@ uint32_t FPDFAPI_FlateOrLZWDecode(bool bLZW,
bool PDF_DataDecode(const uint8_t* src_buf,
uint32_t src_size,
const CPDF_Dictionary* pDict,
- uint8_t*& dest_buf,
- uint32_t& dest_size,
- CFX_ByteString* ImageEncoding,
- CPDF_Dictionary*& pImageParms,
uint32_t last_estimated_size,
- bool bImageAcc) {
+ bool bImageAcc,
+ uint8_t** dest_buf,
+ uint32_t* dest_size,
+ CFX_ByteString* ImageEncoding,
+ CPDF_Dictionary** pImageParms) {
CPDF_Object* pDecoder = pDict ? pDict->GetDirectObjectFor("Filter") : nullptr;
if (!pDecoder || (!pDecoder->IsArray() && !pDecoder->IsName()))
return false;
@@ -342,7 +340,7 @@ bool PDF_DataDecode(const uint8_t* src_buf,
std::vector<std::pair<CFX_ByteString, CPDF_Object*>> DecoderArray;
if (CPDF_Array* pDecoders = pDecoder->AsArray()) {
CPDF_Array* pParamsArray = ToArray(pParams);
- for (size_t i = 0; i < pDecoders->GetCount(); i++) {
+ for (size_t i = 0; i < pDecoders->GetCount(); ++i) {
DecoderArray.push_back(
{pDecoders->GetStringAt(i),
pParamsArray ? pParamsArray->GetDictAt(i) : nullptr});
@@ -354,7 +352,7 @@ bool PDF_DataDecode(const uint8_t* src_buf,
uint8_t* last_buf = const_cast<uint8_t*>(src_buf);
uint32_t last_size = src_size;
int nSize = pdfium::CollectionSize<int>(DecoderArray);
- for (int i = 0; i < nSize; i++) {
+ for (int i = 0; i < nSize; ++i) {
int estimated_size = i == nSize - 1 ? last_estimated_size : 0;
CFX_ByteString decoder = DecoderArray[i].first;
CPDF_Dictionary* pParam = ToDictionary(DecoderArray[i].second);
@@ -364,49 +362,47 @@ bool PDF_DataDecode(const uint8_t* src_buf,
if (decoder == "FlateDecode" || decoder == "Fl") {
if (bImageAcc && i == nSize - 1) {
*ImageEncoding = "FlateDecode";
- dest_buf = last_buf;
- dest_size = last_size;
- pImageParms = pParam;
+ *dest_buf = last_buf;
+ *dest_size = last_size;
+ *pImageParms = pParam;
return true;
}
offset = FPDFAPI_FlateOrLZWDecode(false, last_buf, last_size, pParam,
- estimated_size, new_buf, new_size);
+ estimated_size, &new_buf, &new_size);
} else if (decoder == "LZWDecode" || decoder == "LZW") {
offset = FPDFAPI_FlateOrLZWDecode(true, last_buf, last_size, pParam,
- estimated_size, new_buf, new_size);
+ estimated_size, &new_buf, &new_size);
} else if (decoder == "ASCII85Decode" || decoder == "A85") {
- offset = A85Decode(last_buf, last_size, new_buf, new_size);
+ offset = A85Decode(last_buf, last_size, &new_buf, &new_size);
} else if (decoder == "ASCIIHexDecode" || decoder == "AHx") {
- offset = HexDecode(last_buf, last_size, new_buf, new_size);
+ offset = HexDecode(last_buf, last_size, &new_buf, &new_size);
} else if (decoder == "RunLengthDecode" || decoder == "RL") {
if (bImageAcc && i == nSize - 1) {
*ImageEncoding = "RunLengthDecode";
- dest_buf = last_buf;
- dest_size = last_size;
- pImageParms = pParam;
+ *dest_buf = last_buf;
+ *dest_size = last_size;
+ *pImageParms = pParam;
return true;
}
- offset = RunLengthDecode(last_buf, last_size, new_buf, new_size);
+ offset = RunLengthDecode(last_buf, last_size, &new_buf, &new_size);
} else if (decoder == "Crypt") {
continue;
} else {
// If we get here, assume it's an image decoder.
- if (decoder == "DCT") {
+ if (decoder == "DCT")
decoder = "DCTDecode";
- } else if (decoder == "CCF") {
+ else if (decoder == "CCF")
decoder = "CCITTFaxDecode";
- }
*ImageEncoding = decoder;
- pImageParms = pParam;
- dest_buf = last_buf;
- dest_size = last_size;
+ *pImageParms = pParam;
+ *dest_buf = last_buf;
+ *dest_size = last_size;
if (CPDF_Array* pDecoders = pDecoder->AsArray())
pDecoders->Truncate(i + 1);
return true;
}
- if (last_buf != src_buf) {
+ if (last_buf != src_buf)
FX_Free(last_buf);
- }
if (offset == -1) {
FX_Free(new_buf);
return false;
@@ -415,9 +411,9 @@ bool PDF_DataDecode(const uint8_t* src_buf,
last_size = new_size;
}
*ImageEncoding = "";
- pImageParms = nullptr;
- dest_buf = last_buf;
- dest_size = last_size;
+ *pImageParms = nullptr;
+ *dest_buf = last_buf;
+ *dest_size = last_size;
return true;
}
@@ -427,12 +423,11 @@ CFX_WideString PDF_DecodeText(const uint8_t* src_data, uint32_t src_len) {
(src_data[0] == 0xff && src_data[1] == 0xfe))) {
bool bBE = src_data[0] == 0xfe;
uint32_t max_chars = (src_len - 2) / 2;
- if (!max_chars) {
+ if (!max_chars)
return result;
- }
- if (src_data[0] == 0xff) {
+
+ if (src_data[0] == 0xff)
bBE = !src_data[2];
- }
wchar_t* dest_buf = result.GetBuffer(max_chars);
const uint8_t* uni_str = src_data + 2;
int dest_pos = 0;
@@ -455,7 +450,7 @@ CFX_WideString PDF_DecodeText(const uint8_t* src_data, uint32_t src_len) {
result.ReleaseBuffer(dest_pos);
} else {
wchar_t* dest_buf = result.GetBuffer(src_len);
- for (uint32_t i = 0; i < src_len; i++)
+ for (uint32_t i = 0; i < src_len; ++i)
dest_buf[i] = PDFDocEncoding[src_data[i]];
result.ReleaseBuffer(src_len);
}
@@ -463,31 +458,32 @@ CFX_WideString PDF_DecodeText(const uint8_t* src_data, uint32_t src_len) {
}
CFX_WideString PDF_DecodeText(const CFX_ByteString& bstr) {
- return PDF_DecodeText((const uint8_t*)bstr.c_str(), bstr.GetLength());
+ return PDF_DecodeText(reinterpret_cast<const uint8_t*>(bstr.c_str()),
+ bstr.GetLength());
}
CFX_ByteString PDF_EncodeText(const wchar_t* pString, int len) {
- if (len == -1) {
+ if (len == -1)
len = FXSYS_wcslen(pString);
- }
+
CFX_ByteString result;
char* dest_buf1 = result.GetBuffer(len);
int i;
- for (i = 0; i < len; i++) {
+ for (i = 0; i < len; ++i) {
int code;
- for (code = 0; code < 256; code++)
- if (PDFDocEncoding[code] == pString[i]) {
+ for (code = 0; code < 256; ++code) {
+ if (PDFDocEncoding[code] == pString[i])
break;
- }
- if (code == 256) {
- break;
}
+
+ if (code == 256)
+ break;
+
dest_buf1[i] = code;
}
result.ReleaseBuffer(i);
- if (i == len) {
+ if (i == len)
return result;
- }
if (len > INT_MAX / 2 - 1) {
result.ReleaseBuffer(0);
@@ -496,13 +492,13 @@ CFX_ByteString PDF_EncodeText(const wchar_t* pString, int len) {
int encLen = len * 2 + 2;
- uint8_t* dest_buf2 = (uint8_t*)result.GetBuffer(encLen);
+ uint8_t* dest_buf2 = reinterpret_cast<uint8_t*>(result.GetBuffer(encLen));
dest_buf2[0] = 0xfe;
dest_buf2[1] = 0xff;
dest_buf2 += 2;
- for (int j = 0; j < len; j++) {
+ for (int j = 0; j < len; ++j) {
*dest_buf2++ = pString[j] >> 8;
- *dest_buf2++ = (uint8_t)pString[j];
+ *dest_buf2++ = static_cast<uint8_t>(pString[j]);
}
result.ReleaseBuffer(encLen);
return result;
@@ -517,7 +513,7 @@ CFX_ByteString PDF_EncodeString(const CFX_ByteString& src, bool bHex) {
int srclen = src.GetLength();
if (bHex) {
result << '<';
- for (int i = 0; i < srclen; i++) {
+ for (int i = 0; i < srclen; ++i) {
char buf[2];
FXSYS_IntToTwoHexChars(src[i], buf);
result << buf[0];
@@ -527,7 +523,7 @@ CFX_ByteString PDF_EncodeString(const CFX_ByteString& src, bool bHex) {
return CFX_ByteString(result);
}
result << '(';
- for (int i = 0; i < srclen; i++) {
+ for (int i = 0; i < srclen; ++i) {
uint8_t ch = src[i];
if (ch == 0x0a) {
result << "\\n";
@@ -565,8 +561,8 @@ bool PngEncode(const uint8_t* src_buf,
uint32_t FlateDecode(const uint8_t* src_buf,
uint32_t src_size,
- uint8_t*& dest_buf,
- uint32_t& dest_size) {
+ uint8_t** dest_buf,
+ uint32_t* dest_size) {
CCodec_ModuleMgr* pEncoders = CPDF_ModuleMgr::Get()->GetCodecModule();
return pEncoders->GetFlateModule()->FlateOrLZWDecode(
false, src_buf, src_size, false, 0, 0, 0, 0, 0, dest_buf, dest_size);
diff --git a/core/fpdfapi/parser/fpdf_parser_decode.h b/core/fpdfapi/parser/fpdf_parser_decode.h
index 955a8cfb32..4d2c6732e0 100644
--- a/core/fpdfapi/parser/fpdf_parser_decode.h
+++ b/core/fpdfapi/parser/fpdf_parser_decode.h
@@ -20,10 +20,10 @@ extern const uint16_t PDFDocEncoding[256];
CFX_ByteString PDF_NameDecode(const CFX_ByteStringC& orig);
CFX_ByteString PDF_NameDecode(const CFX_ByteString& orig);
CFX_ByteString PDF_NameEncode(const CFX_ByteString& orig);
-CFX_ByteString PDF_EncodeString(const CFX_ByteString& src, bool bHex = false);
+CFX_ByteString PDF_EncodeString(const CFX_ByteString& src, bool bHex);
CFX_WideString PDF_DecodeText(const uint8_t* pData, uint32_t size);
CFX_WideString PDF_DecodeText(const CFX_ByteString& bstr);
-CFX_ByteString PDF_EncodeText(const wchar_t* pString, int len = -1);
+CFX_ByteString PDF_EncodeText(const wchar_t* pString, int len);
CFX_ByteString PDF_EncodeText(const CFX_WideString& str);
bool FlateEncode(const uint8_t* src_buf,
@@ -41,12 +41,13 @@ bool PngEncode(const uint8_t* src_buf,
uint32_t FlateDecode(const uint8_t* src_buf,
uint32_t src_size,
- uint8_t*& dest_buf,
- uint32_t& dest_size);
+ uint8_t** dest_buf,
+ uint32_t* dest_size);
+
uint32_t RunLengthDecode(const uint8_t* src_buf,
uint32_t src_size,
- uint8_t*& dest_buf,
- uint32_t& dest_size);
+ uint8_t** dest_buf,
+ uint32_t* dest_size);
std::unique_ptr<CCodec_ScanlineDecoder> FPDFAPI_CreateFaxDecoder(
const uint8_t* src_buf,
@@ -64,32 +65,32 @@ std::unique_ptr<CCodec_ScanlineDecoder> FPDFAPI_CreateFlateDecoder(
int bpc,
const CPDF_Dictionary* pParams);
-// Public for testing.
uint32_t A85Decode(const uint8_t* src_buf,
uint32_t src_size,
- uint8_t*& dest_buf,
- uint32_t& dest_size);
-// Public for testing.
+ uint8_t** dest_buf,
+ uint32_t* dest_size);
+
uint32_t HexDecode(const uint8_t* src_buf,
uint32_t src_size,
- uint8_t*& dest_buf,
- uint32_t& dest_size);
-// Public for testing.
+ uint8_t** dest_buf,
+ uint32_t* dest_size);
+
uint32_t FPDFAPI_FlateOrLZWDecode(bool bLZW,
const uint8_t* src_buf,
uint32_t src_size,
CPDF_Dictionary* pParams,
uint32_t estimated_size,
- uint8_t*& dest_buf,
- uint32_t& dest_size);
+ uint8_t** dest_buf,
+ uint32_t* dest_size);
+
bool PDF_DataDecode(const uint8_t* src_buf,
uint32_t src_size,
const CPDF_Dictionary* pDict,
- uint8_t*& dest_buf,
- uint32_t& dest_size,
- CFX_ByteString* ImageEncoding,
- CPDF_Dictionary*& pImageParms,
uint32_t estimated_size,
- bool bImageAcc);
+ bool bImageAcc,
+ uint8_t** dest_buf,
+ uint32_t* dest_size,
+ CFX_ByteString* ImageEncoding,
+ CPDF_Dictionary** pImageParms);
#endif // CORE_FPDFAPI_PARSER_FPDF_PARSER_DECODE_H_
diff --git a/core/fpdfapi/parser/fpdf_parser_decode_embeddertest.cpp b/core/fpdfapi/parser/fpdf_parser_decode_embeddertest.cpp
index 136d7c9f2f..bb3cf15a0f 100644
--- a/core/fpdfapi/parser/fpdf_parser_decode_embeddertest.cpp
+++ b/core/fpdfapi/parser/fpdf_parser_decode_embeddertest.cpp
@@ -76,7 +76,7 @@ TEST_F(FPDFParserDecodeEmbeddertest, FlateDecode) {
unsigned char* result = nullptr;
unsigned int result_size;
EXPECT_EQ(data.processed_size,
- FlateDecode(data.input, data.input_size, result, result_size))
+ FlateDecode(data.input, data.input_size, &result, &result_size))
<< " for case " << i;
ASSERT_TRUE(result);
EXPECT_EQ(std::string((const char*)data.expected, data.expected_size),
diff --git a/core/fpdfapi/parser/fpdf_parser_decode_unittest.cpp b/core/fpdfapi/parser/fpdf_parser_decode_unittest.cpp
index f8c9863c32..c8e0c7a0e1 100644
--- a/core/fpdfapi/parser/fpdf_parser_decode_unittest.cpp
+++ b/core/fpdfapi/parser/fpdf_parser_decode_unittest.cpp
@@ -31,7 +31,7 @@ TEST(fpdf_parser_decode, A85Decode) {
uint8_t* result = nullptr;
uint32_t result_size = 0;
EXPECT_EQ(ptr->processed_size,
- A85Decode(ptr->input, ptr->input_size, result, result_size))
+ A85Decode(ptr->input, ptr->input_size, &result, &result_size))
<< "for case " << i;
ASSERT_EQ(ptr->expected_size, result_size);
for (size_t j = 0; j < result_size; ++j) {
@@ -66,7 +66,7 @@ TEST(fpdf_parser_decode, HexDecode) {
uint8_t* result = nullptr;
uint32_t result_size = 0;
EXPECT_EQ(ptr->processed_size,
- HexDecode(ptr->input, ptr->input_size, result, result_size))
+ HexDecode(ptr->input, ptr->input_size, &result, &result_size))
<< "for case " << i;
ASSERT_EQ(ptr->expected_size, result_size);
for (size_t j = 0; j < result_size; ++j) {
diff --git a/core/fpdfdoc/cpdf_formfield.cpp b/core/fpdfdoc/cpdf_formfield.cpp
index cd47f269bc..acb46a5beb 100644
--- a/core/fpdfdoc/cpdf_formfield.cpp
+++ b/core/fpdfdoc/cpdf_formfield.cpp
@@ -662,8 +662,7 @@ int CPDF_FormField::InsertOption(CFX_WideString csOptLabel,
if (bNotify && !NotifyListOrComboBoxBeforeChange(csOptLabel))
return -1;
- CFX_ByteString csStr =
- PDF_EncodeText(csOptLabel.c_str(), csOptLabel.GetLength());
+ CFX_ByteString csStr = PDF_EncodeText(csOptLabel);
CPDF_Array* pOpt = ToArray(FPDF_GetFieldAttr(m_pDict.Get(), "Opt"));
if (!pOpt)
pOpt = m_pDict->SetNewFor<CPDF_Array>("Opt");
diff --git a/core/fpdfdoc/cpvt_generateap.cpp b/core/fpdfdoc/cpvt_generateap.cpp
index bcd3aa1d00..d542e8cb32 100644
--- a/core/fpdfdoc/cpvt_generateap.cpp
+++ b/core/fpdfdoc/cpvt_generateap.cpp
@@ -1348,7 +1348,7 @@ CFX_ByteString CPVT_GenerateAP::GetPDFWordString(IPVT_FontMap* pFontMap,
CFX_ByteString CPVT_GenerateAP::GetWordRenderString(
const CFX_ByteString& strWords) {
if (strWords.GetLength() > 0)
- return PDF_EncodeString(strWords) + " Tj\n";
+ return PDF_EncodeString(strWords, false) + " Tj\n";
return "";
}
diff --git a/core/fxcodec/codec/ccodec_flatemodule.h b/core/fxcodec/codec/ccodec_flatemodule.h
index 5178943ca0..ae34103f3b 100644
--- a/core/fxcodec/codec/ccodec_flatemodule.h
+++ b/core/fxcodec/codec/ccodec_flatemodule.h
@@ -34,12 +34,14 @@ class CCodec_FlateModule {
int BitsPerComponent,
int Columns,
uint32_t estimated_size,
- uint8_t*& dest_buf,
- uint32_t& dest_size);
+ uint8_t** dest_buf,
+ uint32_t* dest_size);
+
bool Encode(const uint8_t* src_buf,
uint32_t src_size,
uint8_t** dest_buf,
uint32_t* dest_size);
+
bool PngEncode(const uint8_t* src_buf,
uint32_t src_size,
uint8_t** dest_buf,
diff --git a/core/fxcodec/codec/fx_codec_flate.cpp b/core/fxcodec/codec/fx_codec_flate.cpp
index 5af3e99c2e..02be295ce6 100644
--- a/core/fxcodec/codec/fx_codec_flate.cpp
+++ b/core/fxcodec/codec/fx_codec_flate.cpp
@@ -766,48 +766,44 @@ uint32_t CCodec_FlateModule::FlateOrLZWDecode(bool bLZW,
int BitsPerComponent,
int Columns,
uint32_t estimated_size,
- uint8_t*& dest_buf,
- uint32_t& dest_size) {
- dest_buf = nullptr;
+ uint8_t** dest_buf,
+ uint32_t* dest_size) {
+ *dest_buf = nullptr;
uint32_t offset = 0;
int predictor_type = 0;
if (predictor) {
- if (predictor >= 10) {
+ if (predictor >= 10)
predictor_type = 2;
- } else if (predictor == 2) {
+ else if (predictor == 2)
predictor_type = 1;
- }
}
if (bLZW) {
- {
- auto decoder = pdfium::MakeUnique<CLZWDecoder>();
- dest_size = 0xFFFFFFFF;
- offset = src_size;
- int err =
- decoder->Decode(nullptr, dest_size, src_buf, offset, bEarlyChange);
- if (err || dest_size == 0 || dest_size + 1 < dest_size) {
- return FX_INVALID_OFFSET;
- }
- }
- {
- auto decoder = pdfium::MakeUnique<CLZWDecoder>();
- dest_buf = FX_Alloc(uint8_t, dest_size + 1);
- dest_buf[dest_size] = '\0';
- decoder->Decode(dest_buf, dest_size, src_buf, offset, bEarlyChange);
- }
+ auto decoder = pdfium::MakeUnique<CLZWDecoder>();
+ *dest_size = 0xFFFFFFFF;
+ offset = src_size;
+ int err =
+ decoder->Decode(nullptr, *dest_size, src_buf, offset, bEarlyChange);
+ if (err || *dest_size == 0 || *dest_size + 1 < *dest_size)
+ return FX_INVALID_OFFSET;
+
+ decoder = pdfium::MakeUnique<CLZWDecoder>();
+ *dest_buf = FX_Alloc(uint8_t, *dest_size + 1);
+ (*dest_buf)[*dest_size] = '\0';
+ decoder->Decode(*dest_buf, *dest_size, src_buf, offset, bEarlyChange);
} else {
- FlateUncompress(src_buf, src_size, estimated_size, dest_buf, dest_size,
+ FlateUncompress(src_buf, src_size, estimated_size, *dest_buf, *dest_size,
offset);
}
- if (predictor_type == 0) {
+ if (predictor_type == 0)
return offset;
- }
+
bool ret = true;
if (predictor_type == 2) {
- ret = PNG_Predictor(dest_buf, dest_size, Colors, BitsPerComponent, Columns);
- } else if (predictor_type == 1) {
ret =
- TIFF_Predictor(dest_buf, dest_size, Colors, BitsPerComponent, Columns);
+ PNG_Predictor(*dest_buf, *dest_size, Colors, BitsPerComponent, Columns);
+ } else if (predictor_type == 1) {
+ ret = TIFF_Predictor(*dest_buf, *dest_size, Colors, BitsPerComponent,
+ Columns);
}
return ret ? offset : FX_INVALID_OFFSET;
}
diff --git a/core/fxcodec/codec/fx_codec_rle_unittest.cpp b/core/fxcodec/codec/fx_codec_rle_unittest.cpp
index d90a515d45..f9a4b3fcb7 100644
--- a/core/fxcodec/codec/fx_codec_rle_unittest.cpp
+++ b/core/fxcodec/codec/fx_codec_rle_unittest.cpp
@@ -75,7 +75,7 @@ TEST(fxcodec, RLETestNormalInputs) {
pEncoders->RunLengthEncode(src_buf_1, src_size, &dest_buf, &dest_size));
uint8_t* decoded_buf = nullptr;
uint32_t decoded_size = 0;
- RunLengthDecode(dest_buf, dest_size, decoded_buf, decoded_size);
+ RunLengthDecode(dest_buf, dest_size, &decoded_buf, &decoded_size);
ASSERT_EQ(src_size, decoded_size);
for (uint32_t i = 0; i < src_size; i++)
EXPECT_EQ(src_buf_1[i], decoded_buf[i]) << " at " << i;
@@ -89,7 +89,7 @@ TEST(fxcodec, RLETestNormalInputs) {
pEncoders->RunLengthEncode(src_buf_2, src_size, &dest_buf, &dest_size));
decoded_buf = nullptr;
decoded_size = 0;
- RunLengthDecode(dest_buf, dest_size, decoded_buf, decoded_size);
+ RunLengthDecode(dest_buf, dest_size, &decoded_buf, &decoded_size);
ASSERT_EQ(src_size, decoded_size);
for (uint32_t i = 0; i < src_size; i++)
EXPECT_EQ(src_buf_2[i], decoded_buf[i]) << " at " << i;
@@ -103,7 +103,7 @@ TEST(fxcodec, RLETestNormalInputs) {
pEncoders->RunLengthEncode(src_buf_3, src_size, &dest_buf, &dest_size));
decoded_buf = nullptr;
decoded_size = 0;
- RunLengthDecode(dest_buf, dest_size, decoded_buf, decoded_size);
+ RunLengthDecode(dest_buf, dest_size, &decoded_buf, &decoded_size);
ASSERT_EQ(src_size, decoded_size);
for (uint32_t i = 0; i < src_size; i++)
EXPECT_EQ(src_buf_3[i], decoded_buf[i]) << " at " << i;
@@ -144,7 +144,7 @@ TEST(fxcodec, RLETestFullLengthInputs) {
pEncoders->RunLengthEncode(src_buf_1, src_size, &dest_buf, &dest_size));
uint8_t* decoded_buf = nullptr;
uint32_t decoded_size = 0;
- RunLengthDecode(dest_buf, dest_size, decoded_buf, decoded_size);
+ RunLengthDecode(dest_buf, dest_size, &decoded_buf, &decoded_size);
ASSERT_EQ(src_size, decoded_size);
for (uint32_t i = 0; i < src_size; i++)
EXPECT_EQ(src_buf_1[i], decoded_buf[i]) << " at " << i;
@@ -158,7 +158,7 @@ TEST(fxcodec, RLETestFullLengthInputs) {
pEncoders->RunLengthEncode(src_buf_2, src_size, &dest_buf, &dest_size));
decoded_buf = nullptr;
decoded_size = 0;
- RunLengthDecode(dest_buf, dest_size, decoded_buf, decoded_size);
+ RunLengthDecode(dest_buf, dest_size, &decoded_buf, &decoded_size);
ASSERT_EQ(src_size, decoded_size);
for (uint32_t i = 0; i < src_size; i++)
EXPECT_EQ(src_buf_2[i], decoded_buf[i]) << " at " << i;
@@ -172,7 +172,7 @@ TEST(fxcodec, RLETestFullLengthInputs) {
pEncoders->RunLengthEncode(src_buf_3, src_size, &dest_buf, &dest_size));
decoded_buf = nullptr;
decoded_size = 0;
- RunLengthDecode(dest_buf, dest_size, decoded_buf, decoded_size);
+ RunLengthDecode(dest_buf, dest_size, &decoded_buf, &decoded_size);
ASSERT_EQ(src_size, decoded_size);
for (uint32_t i = 0; i < src_size; i++)
EXPECT_EQ(src_buf_3[i], decoded_buf[i]) << " at " << i;
@@ -186,7 +186,7 @@ TEST(fxcodec, RLETestFullLengthInputs) {
pEncoders->RunLengthEncode(src_buf_4, src_size, &dest_buf, &dest_size));
decoded_buf = nullptr;
decoded_size = 0;
- RunLengthDecode(dest_buf, dest_size, decoded_buf, decoded_size);
+ RunLengthDecode(dest_buf, dest_size, &decoded_buf, &decoded_size);
ASSERT_EQ(src_size, decoded_size);
for (uint32_t i = 0; i < src_size; i++)
EXPECT_EQ(src_buf_4[i], decoded_buf[i]) << " at " << i;
diff --git a/fpdfsdk/fxedit/fxet_edit.cpp b/fpdfsdk/fxedit/fxet_edit.cpp
index 130a81d335..f11f631907 100644
--- a/fpdfsdk/fxedit/fxet_edit.cpp
+++ b/fpdfsdk/fxedit/fxet_edit.cpp
@@ -38,7 +38,7 @@ const int kEditUndoMaxItems = 10000;
CFX_ByteString GetWordRenderString(const CFX_ByteString& strWords) {
if (strWords.GetLength() > 0)
- return PDF_EncodeString(strWords) + " Tj\n";
+ return PDF_EncodeString(strWords, false) + " Tj\n";
return CFX_ByteString();
}
diff --git a/xfa/fxfa/parser/cxfa_localemgr.cpp b/xfa/fxfa/parser/cxfa_localemgr.cpp
index e9b47e7921..633f4b41fd 100644
--- a/xfa/fxfa/parser/cxfa_localemgr.cpp
+++ b/xfa/fxfa/parser/cxfa_localemgr.cpp
@@ -1068,7 +1068,7 @@ static std::unique_ptr<IFX_Locale> XFA_GetLocaleFromBuffer(const uint8_t* pBuf,
uint32_t dwSize;
CCodec_ModuleMgr* pCodecMgr = CPDF_ModuleMgr::Get()->GetCodecModule();
pCodecMgr->GetFlateModule()->FlateOrLZWDecode(false, pBuf, nBufLen, true, 0,
- 0, 0, 0, 0, pOut, dwSize);
+ 0, 0, 0, 0, &pOut, &dwSize);
if (!pOut)
return nullptr;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-08 16:06:56 +0000