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-rw-r--r--BUILD.gn17
-rw-r--r--core/fpdfapi/fpdf_parser/cpdf_data_avail.cpp4
-rw-r--r--core/fpdfapi/fpdf_parser/cpdf_syntax_parser.h2
-rw-r--r--core/fxcrt/fx_basic_gcc.cpp5
-rw-r--r--core/fxcrt/fx_basic_gcc_unittest.cpp11
-rw-r--r--core/fxge/ge/fx_ge_fontmap.cpp4
-rw-r--r--fpdfsdk/fpdfformfill.cpp12
-rw-r--r--fpdfsdk/fpdfview.cpp4
-rw-r--r--pdfium.gyp2
9 files changed, 25 insertions, 36 deletions
diff --git a/BUILD.gn b/BUILD.gn
index b0ab4e1940..ad12068ad3 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -43,24 +43,7 @@ config("pdfium_config") {
if (is_win) {
cflags += [
- "/wd4005",
- "/wd4018",
- "/wd4146",
- "/wd4333",
- "/wd4345",
"/wd4267",
-
- # TODO(ochang): Investigate if this can be fixed properly.
- "/wd4201",
-
- # TODO(thestig): Fix all instances, remove this, pdfium:29
- "/wd4245",
- "/wd4310",
- "/wd4389",
- "/wd4701",
- "/wd4702",
- "/wd4706",
- "/wd4800",
]
}
diff --git a/core/fpdfapi/fpdf_parser/cpdf_data_avail.cpp b/core/fpdfapi/fpdf_parser/cpdf_data_avail.cpp
index a4b85a34fa..15f98b26b9 100644
--- a/core/fpdfapi/fpdf_parser/cpdf_data_avail.cpp
+++ b/core/fpdfapi/fpdf_parser/cpdf_data_avail.cpp
@@ -716,10 +716,10 @@ FX_BOOL CPDF_DataAvail::CheckFirstPage(IPDF_DataAvail::DownloadHints* pHints) {
FX_BOOL CPDF_DataAvail::IsDataAvail(FX_FILESIZE offset,
uint32_t size,
IPDF_DataAvail::DownloadHints* pHints) {
- if (offset > m_dwFileLen)
+ if (offset < 0 || offset > m_dwFileLen)
return TRUE;
- FX_SAFE_DWORD safeSize = pdfium::base::checked_cast<uint32_t>(offset);
+ FX_SAFE_FILESIZE safeSize = offset;
safeSize += size;
safeSize += 512;
if (!safeSize.IsValid() || safeSize.ValueOrDie() > m_dwFileLen)
diff --git a/core/fpdfapi/fpdf_parser/cpdf_syntax_parser.h b/core/fpdfapi/fpdf_parser/cpdf_syntax_parser.h
index 26b6a8d3df..04fe6f4fec 100644
--- a/core/fpdfapi/fpdf_parser/cpdf_syntax_parser.h
+++ b/core/fpdfapi/fpdf_parser/cpdf_syntax_parser.h
@@ -83,7 +83,7 @@ class CPDF_SyntaxParser {
FX_FILESIZE m_Pos;
int m_MetadataObjnum;
IFX_FileRead* m_pFileAccess;
- uint32_t m_HeaderOffset;
+ FX_FILESIZE m_HeaderOffset;
FX_FILESIZE m_FileLen;
uint8_t* m_pFileBuf;
uint32_t m_BufSize;
diff --git a/core/fxcrt/fx_basic_gcc.cpp b/core/fxcrt/fx_basic_gcc.cpp
index 1b2f01ec89..c3afe1115b 100644
--- a/core/fxcrt/fx_basic_gcc.cpp
+++ b/core/fxcrt/fx_basic_gcc.cpp
@@ -39,7 +39,10 @@ IntType FXSYS_StrToInt(const CharType* str) {
num = num * 10 + val;
str++;
}
- return neg ? -num : num;
+ // When it is a negative value, -num should be returned. Since num may be of
+ // unsigned type, use ~num + 1 to avoid the warning of applying unary minus
+ // operator to unsigned type.
+ return neg ? ~num + 1 : num;
}
template <typename T, typename UT, typename STR_T>
diff --git a/core/fxcrt/fx_basic_gcc_unittest.cpp b/core/fxcrt/fx_basic_gcc_unittest.cpp
index c6913cfd82..73e7446de0 100644
--- a/core/fxcrt/fx_basic_gcc_unittest.cpp
+++ b/core/fxcrt/fx_basic_gcc_unittest.cpp
@@ -16,15 +16,16 @@ TEST(fxcrt, FXSYS_atoi) {
EXPECT_EQ(2345, FXSYS_atoi("+2345"));
// The max value.
EXPECT_EQ(2147483647, FXSYS_atoi("2147483647"));
- // The min value.
- EXPECT_EQ(-2147483648, FXSYS_atoi("-2147483648"));
+ // The min value. Written in -1 format to avoid "unary minus operator applied
+ // to unsigned type" warning.
+ EXPECT_EQ(-2147483647 - 1, FXSYS_atoi("-2147483648"));
// With invalid char.
EXPECT_EQ(9, FXSYS_atoi("9x9"));
// Out of range values.
EXPECT_EQ(2147483647, FXSYS_atoi("2147483623423412348"));
EXPECT_EQ(2147483647, FXSYS_atoi("2147483648"));
- EXPECT_EQ(-2147483648, FXSYS_atoi("-2147483650"));
+ EXPECT_EQ(-2147483647 - 1, FXSYS_atoi("-2147483650"));
}
TEST(fxcrt, FXSYS_atoi64) {
@@ -58,13 +59,13 @@ TEST(fxcrt, FXSYS_wtoi) {
// The max value.
EXPECT_EQ(2147483647, FXSYS_wtoi(L"2147483647"));
// The min value.
- EXPECT_EQ(-2147483648, FXSYS_wtoi(L"-2147483648"));
+ EXPECT_EQ(-2147483647 - 1, FXSYS_wtoi(L"-2147483648"));
EXPECT_EQ(9, FXSYS_wtoi64(L"9x9"));
// Out of range values.
EXPECT_EQ(2147483647, FXSYS_wtoi(L"2147483623423412348"));
EXPECT_EQ(2147483647, FXSYS_wtoi(L"2147483648"));
- EXPECT_EQ(-2147483648, FXSYS_wtoi(L"-2147483652"));
+ EXPECT_EQ(-2147483647 - 1, FXSYS_wtoi(L"-2147483652"));
}
TEST(fxcrt, FXSYS_wtoi64) {
diff --git a/core/fxge/ge/fx_ge_fontmap.cpp b/core/fxge/ge/fx_ge_fontmap.cpp
index c6a6c5c003..c6b208c624 100644
--- a/core/fxge/ge/fx_ge_fontmap.cpp
+++ b/core/fxge/ge/fx_ge_fontmap.cpp
@@ -681,15 +681,17 @@ void CFX_FontMapper::SetSystemFontInfo(IFX_SystemFontInfo* pFontInfo) {
}
m_pFontInfo = pFontInfo;
}
+
static CFX_ByteString GetStringFromTable(const uint8_t* string_ptr,
uint32_t string_ptr_length,
uint16_t offset,
uint16_t length) {
- if (string_ptr_length < offset + length) {
+ if (string_ptr_length < static_cast<uint32_t>(offset + length)) {
return CFX_ByteString();
}
return CFX_ByteStringC(string_ptr + offset, length);
}
+
CFX_ByteString GetNameFromTT(const uint8_t* name_table,
uint32_t name_table_size,
uint32_t name_id) {
diff --git a/fpdfsdk/fpdfformfill.cpp b/fpdfsdk/fpdfformfill.cpp
index 9230910a1f..ed6279a2c6 100644
--- a/fpdfsdk/fpdfformfill.cpp
+++ b/fpdfsdk/fpdfformfill.cpp
@@ -480,13 +480,13 @@ DLLEXPORT void STDCALL FPDF_Widget_Copy(FPDF_DOCUMENT document,
pXFAMenuHander->Copy((IXFA_Widget*)hWidget, wsCpText);
CFX_ByteString bsCpText = wsCpText.UTF16LE_Encode();
- int len = bsCpText.GetLength() / sizeof(unsigned short);
+ uint32_t len = bsCpText.GetLength() / sizeof(unsigned short);
if (wsText == NULL) {
*size = len;
return;
}
- int real_size = len < *size ? len : *size;
+ uint32_t real_size = len < *size ? len : *size;
if (real_size > 0) {
FXSYS_memcpy((void*)wsText,
bsCpText.GetBuffer(real_size * sizeof(unsigned short)),
@@ -516,13 +516,13 @@ DLLEXPORT void STDCALL FPDF_Widget_Cut(FPDF_DOCUMENT document,
pXFAMenuHander->Cut((IXFA_Widget*)hWidget, wsCpText);
CFX_ByteString bsCpText = wsCpText.UTF16LE_Encode();
- int len = bsCpText.GetLength() / sizeof(unsigned short);
+ uint32_t len = bsCpText.GetLength() / sizeof(unsigned short);
if (wsText == NULL) {
*size = len;
return;
}
- int real_size = len < *size ? len : *size;
+ uint32_t real_size = len < *size ? len : *size;
if (real_size > 0) {
FXSYS_memcpy((void*)wsText,
bsCpText.GetBuffer(real_size * sizeof(unsigned short)),
@@ -625,13 +625,13 @@ FPDF_StringHandleGetStringByIndex(FPDF_STRINGHANDLE sHandle,
return FALSE;
std::vector<CFX_ByteString>* sSuggestWords = FromFPDFStringHandle(sHandle);
- int len = (*sSuggestWords)[index].GetLength();
+ uint32_t len = (*sSuggestWords)[index].GetLength();
if (!bsText) {
*size = len;
return TRUE;
}
- int real_size = len < *size ? len : *size;
+ uint32_t real_size = len < *size ? len : *size;
if (real_size > 0)
FXSYS_memcpy((void*)bsText, (const FX_CHAR*)(*sSuggestWords)[index],
real_size);
diff --git a/fpdfsdk/fpdfview.cpp b/fpdfsdk/fpdfview.cpp
index 9183b4073b..3a3449745c 100644
--- a/fpdfsdk/fpdfview.cpp
+++ b/fpdfsdk/fpdfview.cpp
@@ -391,7 +391,7 @@ class CMemFile final : public IFX_FileRead {
FX_SAFE_FILESIZE newPos =
pdfium::base::checked_cast<FX_FILESIZE, size_t>(size);
newPos += offset;
- if (!newPos.IsValid() || newPos.ValueOrDie() > (uint32_t)m_size) {
+ if (!newPos.IsValid() || newPos.ValueOrDie() > m_size) {
return FALSE;
}
FXSYS_memcpy(buffer, m_pBuf + offset, size);
@@ -1155,7 +1155,7 @@ DLLEXPORT FPDF_DEST STDCALL FPDF_GetNamedDest(FPDF_DOCUMENT document,
CFX_WideString wsName = PDF_DecodeText(bsName);
CFX_ByteString utf16Name = wsName.UTF16LE_Encode();
- unsigned int len = utf16Name.GetLength();
+ int len = utf16Name.GetLength();
if (!buffer) {
*buflen = len;
} else if (*buflen >= len) {
diff --git a/pdfium.gyp b/pdfium.gyp
index 63d0c03404..ed6003ed81 100644
--- a/pdfium.gyp
+++ b/pdfium.gyp
@@ -93,7 +93,7 @@
}],
],
'msvs_disabled_warnings': [
- 4018, 4146, 4333, 4345, 4267,
+ 4267,
],
'variables': {
'clang_warning_flags': [
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-10 08:27:02 +0000