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authorTom Sepez <tsepez@chromium.org>2017-07-19 13:19:12 -0700
committerChromium commit bot <commit-bot@chromium.org>2017-07-19 20:59:29 +0000
commit33b42e4ab56d56ff02cd08a47c5f590875d886bf (patch)
treed168b57aa48373a3213f918471fcd1c8224d2d5d /core/fxcrt
parentd4c401194137f3f7f466f6daaa7fe3ffb4b6cd53 (diff)
downloadpdfium-33b42e4ab56d56ff02cd08a47c5f590875d886bf.tar.xz
Rename StringCs c_str() to unterminated_c_str().
Since there is no guarantee of termination if the StringC was extracted from a snippet of another string. Make it more obvious that things like strlen(str.unterminated_c_str()) might be a bad idea. Change-Id: I7832248ed89ebbddf5c0bcd402aac7d40ec2adc2 Reviewed-on: https://pdfium-review.googlesource.com/8170 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Diffstat (limited to 'core/fxcrt')
-rw-r--r--core/fxcrt/cfx_bytestring.cpp37
-rw-r--r--core/fxcrt/cfx_decimal.cpp2
-rw-r--r--core/fxcrt/cfx_seekablestreamproxy.cpp2
-rw-r--r--core/fxcrt/cfx_string_c_template.h2
-rw-r--r--core/fxcrt/cfx_widestring.cpp36
-rw-r--r--core/fxcrt/fx_basic_buffer.cpp2
-rw-r--r--core/fxcrt/fx_basic_utf.cpp2
-rw-r--r--core/fxcrt/fx_stream.cpp2
-rw-r--r--core/fxcrt/fxcrt_posix.cpp4
-rw-r--r--core/fxcrt/fxcrt_windows.cpp9
10 files changed, 55 insertions, 43 deletions
diff --git a/core/fxcrt/cfx_bytestring.cpp b/core/fxcrt/cfx_bytestring.cpp
index 9d67ed30a1..c88ad51ab3 100644
--- a/core/fxcrt/cfx_bytestring.cpp
+++ b/core/fxcrt/cfx_bytestring.cpp
@@ -101,15 +101,16 @@ CFX_ByteString GetByteString(uint16_t codepage, const CFX_WideStringC& wstr) {
ASSERT(IsValidCodePage(codepage));
int src_len = wstr.GetLength();
- int dest_len = FXSYS_WideCharToMultiByte(codepage, 0, wstr.c_str(), src_len,
- nullptr, 0, nullptr, nullptr);
+ int dest_len =
+ FXSYS_WideCharToMultiByte(codepage, 0, wstr.unterminated_c_str(), src_len,
+ nullptr, 0, nullptr, nullptr);
if (!dest_len)
return CFX_ByteString();
CFX_ByteString bstr;
char* dest_buf = bstr.GetBuffer(dest_len);
- FXSYS_WideCharToMultiByte(codepage, 0, wstr.c_str(), src_len, dest_buf,
- dest_len, nullptr, nullptr);
+ FXSYS_WideCharToMultiByte(codepage, 0, wstr.unterminated_c_str(), src_len,
+ dest_buf, dest_len, nullptr, nullptr);
bstr.ReleaseBuffer(dest_len);
return bstr;
}
@@ -153,7 +154,8 @@ CFX_ByteString::CFX_ByteString(const char* ptr)
CFX_ByteString::CFX_ByteString(const CFX_ByteStringC& stringSrc) {
if (!stringSrc.IsEmpty())
- m_pData.Reset(StringData::Create(stringSrc.c_str(), stringSrc.GetLength()));
+ m_pData.Reset(StringData::Create(stringSrc.unterminated_c_str(),
+ stringSrc.GetLength()));
}
CFX_ByteString::CFX_ByteString(const CFX_ByteStringC& str1,
@@ -166,8 +168,9 @@ CFX_ByteString::CFX_ByteString(const CFX_ByteStringC& str1,
return;
m_pData.Reset(StringData::Create(nNewLen));
- m_pData->CopyContents(str1.c_str(), str1.GetLength());
- m_pData->CopyContentsAt(str1.GetLength(), str2.c_str(), str2.GetLength());
+ m_pData->CopyContents(str1.unterminated_c_str(), str1.GetLength());
+ m_pData->CopyContentsAt(str1.GetLength(), str2.unterminated_c_str(),
+ str2.GetLength());
}
CFX_ByteString::CFX_ByteString(
@@ -184,7 +187,8 @@ CFX_ByteString::CFX_ByteString(
FX_STRSIZE nOffset = 0;
for (const auto& item : list) {
- m_pData->CopyContentsAt(nOffset, item.c_str(), item.GetLength());
+ m_pData->CopyContentsAt(nOffset, item.unterminated_c_str(),
+ item.GetLength());
nOffset += item.GetLength();
}
}
@@ -209,7 +213,7 @@ const CFX_ByteString& CFX_ByteString::operator=(
if (stringSrc.IsEmpty())
clear();
else
- AssignCopy(stringSrc.c_str(), stringSrc.GetLength());
+ AssignCopy(stringSrc.unterminated_c_str(), stringSrc.GetLength());
return *this;
}
@@ -243,7 +247,7 @@ const CFX_ByteString& CFX_ByteString::operator+=(const CFX_ByteString& str) {
const CFX_ByteString& CFX_ByteString::operator+=(const CFX_ByteStringC& str) {
if (!str.IsEmpty())
- Concat(str.c_str(), str.GetLength());
+ Concat(str.unterminated_c_str(), str.GetLength());
return *this;
}
@@ -264,7 +268,8 @@ bool CFX_ByteString::operator==(const CFX_ByteStringC& str) const {
return str.IsEmpty();
return m_pData->m_nDataLength == str.GetLength() &&
- memcmp(m_pData->m_String, str.c_str(), str.GetLength()) == 0;
+ memcmp(m_pData->m_String, str.unterminated_c_str(), str.GetLength()) ==
+ 0;
}
bool CFX_ByteString::operator==(const CFX_ByteString& other) const {
@@ -594,7 +599,7 @@ FX_STRSIZE CFX_ByteString::Find(const CFX_ByteStringC& pSub,
const char* pStr =
FX_strstr(m_pData->m_String + nStart, m_pData->m_nDataLength - nStart,
- pSub.c_str(), pSub.GetLength());
+ pSub.unterminated_c_str(), pSub.GetLength());
return pStr ? (int)(pStr - m_pData->m_String) : -1;
}
@@ -660,7 +665,7 @@ FX_STRSIZE CFX_ByteString::Replace(const CFX_ByteStringC& pOld,
char* pEnd = m_pData->m_String + m_pData->m_nDataLength;
while (1) {
const char* pTarget = FX_strstr(pStart, (FX_STRSIZE)(pEnd - pStart),
- pOld.c_str(), nSourceLen);
+ pOld.unterminated_c_str(), nSourceLen);
if (!pTarget)
break;
@@ -683,10 +688,10 @@ FX_STRSIZE CFX_ByteString::Replace(const CFX_ByteStringC& pOld,
char* pDest = pNewData->m_String;
for (FX_STRSIZE i = 0; i < nCount; i++) {
const char* pTarget = FX_strstr(pStart, (FX_STRSIZE)(pEnd - pStart),
- pOld.c_str(), nSourceLen);
+ pOld.unterminated_c_str(), nSourceLen);
memcpy(pDest, pStart, pTarget - pStart);
pDest += pTarget - pStart;
- memcpy(pDest, pNew.c_str(), pNew.GetLength());
+ memcpy(pDest, pNew.unterminated_c_str(), pNew.GetLength());
pDest += pNew.GetLength();
pStart = pTarget + nSourceLen;
}
@@ -879,5 +884,5 @@ std::ostream& operator<<(std::ostream& os, const CFX_ByteString& str) {
}
std::ostream& operator<<(std::ostream& os, const CFX_ByteStringC& str) {
- return os.write(str.c_str(), str.GetLength());
+ return os.write(str.unterminated_c_str(), str.GetLength());
}
diff --git a/core/fxcrt/cfx_decimal.cpp b/core/fxcrt/cfx_decimal.cpp
index a463305f6a..b900e069a7 100644
--- a/core/fxcrt/cfx_decimal.cpp
+++ b/core/fxcrt/cfx_decimal.cpp
@@ -295,7 +295,7 @@ CFX_Decimal::CFX_Decimal(float val, uint8_t scale) {
}
CFX_Decimal::CFX_Decimal(const CFX_WideStringC& strObj) {
- const wchar_t* str = strObj.c_str();
+ const wchar_t* str = strObj.unterminated_c_str();
const wchar_t* strBound = str + strObj.GetLength();
bool pointmet = false;
bool negmet = false;
diff --git a/core/fxcrt/cfx_seekablestreamproxy.cpp b/core/fxcrt/cfx_seekablestreamproxy.cpp
index 37dbed1fca..8cf855217a 100644
--- a/core/fxcrt/cfx_seekablestreamproxy.cpp
+++ b/core/fxcrt/cfx_seekablestreamproxy.cpp
@@ -294,7 +294,7 @@ void CFX_SeekableStreamProxy::WriteString(const CFX_WideStringC& str) {
m_wCodePage != FX_CODEPAGE_UTF8) {
return;
}
- if (!m_pStream->WriteBlock(str.c_str(), m_iPosition,
+ if (!m_pStream->WriteBlock(str.unterminated_c_str(), m_iPosition,
str.GetLength() * sizeof(wchar_t))) {
return;
}
diff --git a/core/fxcrt/cfx_string_c_template.h b/core/fxcrt/cfx_string_c_template.h
index 5dfff69a95..1473160334 100644
--- a/core/fxcrt/cfx_string_c_template.h
+++ b/core/fxcrt/cfx_string_c_template.h
@@ -112,7 +112,7 @@ class CFX_StringCTemplate {
}
const UnsignedType* raw_str() const { return m_Ptr.Get(); }
- const CharType* c_str() const {
+ const CharType* unterminated_c_str() const {
return reinterpret_cast<const CharType*>(m_Ptr.Get());
}
diff --git a/core/fxcrt/cfx_widestring.cpp b/core/fxcrt/cfx_widestring.cpp
index 70a0cb63be..6a4fbb9846 100644
--- a/core/fxcrt/cfx_widestring.cpp
+++ b/core/fxcrt/cfx_widestring.cpp
@@ -263,15 +263,15 @@ CFX_WideString GetWideString(uint16_t codepage, const CFX_ByteStringC& bstr) {
ASSERT(IsValidCodePage(codepage));
int src_len = bstr.GetLength();
- int dest_len =
- FXSYS_MultiByteToWideChar(codepage, 0, bstr.c_str(), src_len, nullptr, 0);
+ int dest_len = FXSYS_MultiByteToWideChar(
+ codepage, 0, bstr.unterminated_c_str(), src_len, nullptr, 0);
if (!dest_len)
return CFX_WideString();
CFX_WideString wstr;
wchar_t* dest_buf = wstr.GetBuffer(dest_len);
- FXSYS_MultiByteToWideChar(codepage, 0, bstr.c_str(), src_len, dest_buf,
- dest_len);
+ FXSYS_MultiByteToWideChar(codepage, 0, bstr.unterminated_c_str(), src_len,
+ dest_buf, dest_len);
wstr.ReleaseBuffer(dest_len);
return wstr;
}
@@ -308,7 +308,8 @@ CFX_WideString::CFX_WideString(const wchar_t* ptr)
CFX_WideString::CFX_WideString(const CFX_WideStringC& stringSrc) {
if (!stringSrc.IsEmpty()) {
- m_pData.Reset(StringData::Create(stringSrc.c_str(), stringSrc.GetLength()));
+ m_pData.Reset(StringData::Create(stringSrc.unterminated_c_str(),
+ stringSrc.GetLength()));
}
}
@@ -322,8 +323,9 @@ CFX_WideString::CFX_WideString(const CFX_WideStringC& str1,
return;
m_pData.Reset(StringData::Create(nNewLen));
- m_pData->CopyContents(str1.c_str(), str1.GetLength());
- m_pData->CopyContentsAt(str1.GetLength(), str2.c_str(), str2.GetLength());
+ m_pData->CopyContents(str1.unterminated_c_str(), str1.GetLength());
+ m_pData->CopyContentsAt(str1.GetLength(), str2.unterminated_c_str(),
+ str2.GetLength());
}
CFX_WideString::CFX_WideString(
@@ -340,7 +342,8 @@ CFX_WideString::CFX_WideString(
FX_STRSIZE nOffset = 0;
for (const auto& item : list) {
- m_pData->CopyContentsAt(nOffset, item.c_str(), item.GetLength());
+ m_pData->CopyContentsAt(nOffset, item.unterminated_c_str(),
+ item.GetLength());
nOffset += item.GetLength();
}
}
@@ -361,7 +364,7 @@ const CFX_WideString& CFX_WideString::operator=(
if (stringSrc.IsEmpty())
clear();
else
- AssignCopy(stringSrc.c_str(), stringSrc.GetLength());
+ AssignCopy(stringSrc.unterminated_c_str(), stringSrc.GetLength());
return *this;
}
@@ -395,7 +398,7 @@ const CFX_WideString& CFX_WideString::operator+=(const CFX_WideString& str) {
const CFX_WideString& CFX_WideString::operator+=(const CFX_WideStringC& str) {
if (!str.IsEmpty())
- Concat(str.c_str(), str.GetLength());
+ Concat(str.unterminated_c_str(), str.GetLength());
return *this;
}
@@ -416,7 +419,8 @@ bool CFX_WideString::operator==(const CFX_WideStringC& str) const {
return str.IsEmpty();
return m_pData->m_nDataLength == str.GetLength() &&
- wmemcmp(m_pData->m_String, str.c_str(), str.GetLength()) == 0;
+ wmemcmp(m_pData->m_String, str.unterminated_c_str(),
+ str.GetLength()) == 0;
}
bool CFX_WideString::operator==(const CFX_WideString& other) const {
@@ -746,7 +750,7 @@ FX_STRSIZE CFX_WideString::Find(const CFX_WideStringC& pSub,
const wchar_t* pStr =
FX_wcsstr(m_pData->m_String + nStart, m_pData->m_nDataLength - nStart,
- pSub.c_str(), pSub.GetLength());
+ pSub.unterminated_c_str(), pSub.GetLength());
return pStr ? (int)(pStr - m_pData->m_String) : -1;
}
@@ -812,7 +816,7 @@ FX_STRSIZE CFX_WideString::Replace(const CFX_WideStringC& pOld,
wchar_t* pEnd = m_pData->m_String + m_pData->m_nDataLength;
while (1) {
const wchar_t* pTarget = FX_wcsstr(pStart, (FX_STRSIZE)(pEnd - pStart),
- pOld.c_str(), nSourceLen);
+ pOld.unterminated_c_str(), nSourceLen);
if (!pTarget)
break;
@@ -835,10 +839,10 @@ FX_STRSIZE CFX_WideString::Replace(const CFX_WideStringC& pOld,
wchar_t* pDest = pNewData->m_String;
for (FX_STRSIZE i = 0; i < nCount; i++) {
const wchar_t* pTarget = FX_wcsstr(pStart, (FX_STRSIZE)(pEnd - pStart),
- pOld.c_str(), nSourceLen);
+ pOld.unterminated_c_str(), nSourceLen);
wmemcpy(pDest, pStart, pTarget - pStart);
pDest += pTarget - pStart;
- wmemcpy(pDest, pNew.c_str(), pNew.GetLength());
+ wmemcpy(pDest, pNew.unterminated_c_str(), pNew.GetLength());
pDest += pNew.GetLength();
pStart = pTarget + nSourceLen;
}
@@ -1060,7 +1064,7 @@ std::ostream& operator<<(std::ostream& os, const CFX_WideString& str) {
}
std::wostream& operator<<(std::wostream& os, const CFX_WideStringC& str) {
- return os.write(str.c_str(), str.GetLength());
+ return os.write(str.unterminated_c_str(), str.GetLength());
}
std::ostream& operator<<(std::ostream& os, const CFX_WideStringC& str) {
diff --git a/core/fxcrt/fx_basic_buffer.cpp b/core/fxcrt/fx_basic_buffer.cpp
index 36da3f4053..bcf0570d32 100644
--- a/core/fxcrt/fx_basic_buffer.cpp
+++ b/core/fxcrt/fx_basic_buffer.cpp
@@ -133,7 +133,7 @@ void CFX_WideTextBuf::AppendChar(wchar_t ch) {
}
CFX_WideTextBuf& CFX_WideTextBuf::operator<<(const CFX_WideStringC& str) {
- AppendBlock(str.c_str(), str.GetLength() * sizeof(wchar_t));
+ AppendBlock(str.unterminated_c_str(), str.GetLength() * sizeof(wchar_t));
return *this;
}
diff --git a/core/fxcrt/fx_basic_utf.cpp b/core/fxcrt/fx_basic_utf.cpp
index 10aa918962..4dbfa37284 100644
--- a/core/fxcrt/fx_basic_utf.cpp
+++ b/core/fxcrt/fx_basic_utf.cpp
@@ -76,7 +76,7 @@ void CFX_UTF8Encoder::Input(wchar_t unicode) {
CFX_ByteString FX_UTF8Encode(const CFX_WideStringC& wsStr) {
FX_STRSIZE len = wsStr.GetLength();
- const wchar_t* pStr = wsStr.c_str();
+ const wchar_t* pStr = wsStr.unterminated_c_str();
CFX_UTF8Encoder encoder;
while (len-- > 0)
encoder.Input(*pStr++);
diff --git a/core/fxcrt/fx_stream.cpp b/core/fxcrt/fx_stream.cpp
index ba21461098..a64b239546 100644
--- a/core/fxcrt/fx_stream.cpp
+++ b/core/fxcrt/fx_stream.cpp
@@ -95,5 +95,5 @@ bool IFX_SeekableStream::WriteBlock(const void* buffer, size_t size) {
}
bool IFX_SeekableStream::WriteString(const CFX_ByteStringC& str) {
- return WriteBlock(str.c_str(), str.GetLength());
+ return WriteBlock(str.unterminated_c_str(), str.GetLength());
}
diff --git a/core/fxcrt/fxcrt_posix.cpp b/core/fxcrt/fxcrt_posix.cpp
index ca4ac161a4..4d867dd688 100644
--- a/core/fxcrt/fxcrt_posix.cpp
+++ b/core/fxcrt/fxcrt_posix.cpp
@@ -56,7 +56,9 @@ bool CFXCRT_FileAccess_Posix::Open(const CFX_ByteStringC& fileName,
int32_t nFlags;
int32_t nMasks;
FXCRT_Posix_GetFileMode(dwMode, nFlags, nMasks);
- m_nFD = open(fileName.c_str(), nFlags, nMasks);
+
+ // TODO(tsepez): check usage of c_str() below.
+ m_nFD = open(fileName.unterminated_c_str(), nFlags, nMasks);
return m_nFD > -1;
}
diff --git a/core/fxcrt/fxcrt_windows.cpp b/core/fxcrt/fxcrt_windows.cpp
index 6230c74eb7..1a2a36735e 100644
--- a/core/fxcrt/fxcrt_windows.cpp
+++ b/core/fxcrt/fxcrt_windows.cpp
@@ -57,8 +57,8 @@ bool CFXCRT_FileAccess_Win64::Open(const CFX_ByteStringC& fileName,
uint32_t dwAccess, dwShare, dwCreation;
FXCRT_Windows_GetFileMode(dwMode, dwAccess, dwShare, dwCreation);
- m_hFile = ::CreateFileA(fileName.c_str(), dwAccess, dwShare, nullptr,
- dwCreation, FILE_ATTRIBUTE_NORMAL, nullptr);
+ m_hFile = ::CreateFileA(fileName.unterminated_c_str(), dwAccess, dwShare,
+ nullptr, dwCreation, FILE_ATTRIBUTE_NORMAL, nullptr);
if (m_hFile == INVALID_HANDLE_VALUE)
m_hFile = nullptr;
@@ -72,8 +72,9 @@ bool CFXCRT_FileAccess_Win64::Open(const CFX_WideStringC& fileName,
uint32_t dwAccess, dwShare, dwCreation;
FXCRT_Windows_GetFileMode(dwMode, dwAccess, dwShare, dwCreation);
- m_hFile = ::CreateFileW((LPCWSTR)fileName.c_str(), dwAccess, dwShare, nullptr,
- dwCreation, FILE_ATTRIBUTE_NORMAL, nullptr);
+ m_hFile =
+ ::CreateFileW((LPCWSTR)fileName.unterminated_c_str(), dwAccess, dwShare,
+ nullptr, dwCreation, FILE_ATTRIBUTE_NORMAL, nullptr);
if (m_hFile == INVALID_HANDLE_VALUE)
m_hFile = nullptr;