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authorLei Zhang <thestig@chromium.org>2015-05-08 11:03:55 -0700
committerLei Zhang <thestig@chromium.org>2015-05-08 11:03:55 -0700
commitf0a169e6fd5718995fa6ef8749c8d16cdad84985 (patch)
tree3194ef3427aee1c683efe6b54abdd65b2d6dff9d /core/src/fxge
parent21031ad28a73f0633e720997d310440c5bc31ec5 (diff)
downloadpdfium-f0a169e6fd5718995fa6ef8749c8d16cdad84985.tar.xz
Fix a bunch of -Wunused-but-set-variable warnings.
Also fix a few nits and other errors along the way. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1098583002
Diffstat (limited to 'core/src/fxge')
-rw-r--r--core/src/fxge/dib/fx_dib_composite.cpp10
-rw-r--r--core/src/fxge/dib/fx_dib_transform.cpp2
-rw-r--r--core/src/fxge/ge/fx_ge_fontmap.cpp18
3 files changed, 17 insertions, 13 deletions
diff --git a/core/src/fxge/dib/fx_dib_composite.cpp b/core/src/fxge/dib/fx_dib_composite.cpp
index 375b7c110e..ae72fc5a43 100644
--- a/core/src/fxge/dib/fx_dib_composite.cpp
+++ b/core/src/fxge/dib/fx_dib_composite.cpp
@@ -4148,15 +4148,7 @@ FX_BOOL CFX_DIBitmap::CompositeBitmap(int dest_left, int dest_top, int width, in
}
int dest_Bpp = m_bpp / 8;
int src_Bpp = pSrcBitmap->GetBPP() / 8;
- FX_BOOL bRgb = FALSE;
- FX_BOOL bCmyk = FALSE;
- if (src_Bpp > 1) {
- if (pSrcBitmap->IsCmykImage()) {
- bCmyk = TRUE;
- } else {
- bRgb = TRUE;
- }
- }
+ FX_BOOL bRgb = src_Bpp > 1 && !pSrcBitmap->IsCmykImage();
CFX_DIBitmap* pSrcAlphaMask = pSrcBitmap->m_pAlphaMask;
for (int row = 0; row < height; row ++) {
FX_LPBYTE dest_scan = m_pBuffer + (dest_top + row) * m_Pitch + dest_left * dest_Bpp;
diff --git a/core/src/fxge/dib/fx_dib_transform.cpp b/core/src/fxge/dib/fx_dib_transform.cpp
index 457fe2e1f1..4544506e7b 100644
--- a/core/src/fxge/dib/fx_dib_transform.cpp
+++ b/core/src/fxge/dib/fx_dib_transform.cpp
@@ -70,7 +70,6 @@ CFX_DIBitmap* CFX_DIBSource::SwapXY(FX_BOOL bXFlip, FX_BOOL bYFlip, const FX_REC
return NULL;
}
pTransBitmap->CopyPalette(m_pPalette);
- int src_pitch = m_Pitch;
int dest_pitch = pTransBitmap->GetPitch();
FX_LPBYTE dest_buf = pTransBitmap->GetBuffer();
int row_start = bXFlip ? m_Height - dest_clip.right : dest_clip.left;
@@ -130,7 +129,6 @@ CFX_DIBitmap* CFX_DIBSource::SwapXY(FX_BOOL bXFlip, FX_BOOL bYFlip, const FX_REC
}
}
if (m_pAlphaMask) {
- src_pitch = m_pAlphaMask->m_Pitch;
dest_pitch = pTransBitmap->m_pAlphaMask->GetPitch();
dest_buf = pTransBitmap->m_pAlphaMask->GetBuffer();
int dest_step = bYFlip ? -dest_pitch : dest_pitch;
diff --git a/core/src/fxge/ge/fx_ge_fontmap.cpp b/core/src/fxge/ge/fx_ge_fontmap.cpp
index 43b971ffc3..0596c12f4c 100644
--- a/core/src/fxge/ge/fx_ge_fontmap.cpp
+++ b/core/src/fxge/ge/fx_ge_fontmap.cpp
@@ -1367,14 +1367,28 @@ void CFX_FolderFontInfo::ScanFile(CFX_ByteString& path)
FX_BYTE buffer[16];
FXSYS_fseek(pFile, 0, FXSYS_SEEK_SET);
size_t readCnt = FXSYS_fread(buffer, 12, 1, pFile);
+ if (readCnt != 12) {
+ FXSYS_fclose(pFile);
+ return;
+ }
+
if (GET_TT_LONG(buffer) == 0x74746366) {
FX_DWORD nFaces = GET_TT_LONG(buffer + 8);
- FX_LPBYTE offsets = FX_Alloc(FX_BYTE, nFaces * 4);
+ if (nFaces > FX_DWORD_MAX / 4) {
+ FXSYS_fclose(pFile);
+ return;
+ }
+ FX_DWORD face_bytes = nFaces * 4;
+ FX_LPBYTE offsets = FX_Alloc(FX_BYTE, face_bytes);
if (!offsets) {
FXSYS_fclose(pFile);
return;
}
- readCnt = FXSYS_fread(offsets, nFaces * 4, 1, pFile);
+ readCnt = FXSYS_fread(offsets, face_bytes, 1, pFile);
+ if (readCnt != face_bytes) {
+ FXSYS_fclose(pFile);
+ return;
+ }
for (FX_DWORD i = 0; i < nFaces; i ++) {
FX_LPBYTE p = offsets + i * 4;
ReportFace(path, pFile, filesize, GET_TT_LONG(p));