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| author | Lei Zhang <thestig@chromium.org> | 2015-11-02 14:09:31 -0800 |
|---|---|---|
| committer | Lei Zhang <thestig@chromium.org> | 2015-11-02 14:09:31 -0800 |
| commit | bda74a5a272066f819f29d7e24dd914e0eeea455 (patch) | |
| tree | 2e8f0e74d8a2b3b79365eefe92cf03c774a14d5c /core/src | |
| parent | b45182122d4cade92d1dfddb6b278978c09475af (diff) | |
| download | pdfium-bda74a5a272066f819f29d7e24dd914e0eeea455.tar.xz | |
Merge to XFA: Check fread() return values in CFX_FolderFontInfo::GetFontData().
Check fseek() return values too.
BUG=549998
TBR=thakis@chromium.org
Review URL: https://codereview.chromium.org/1419793003 .
(cherry picked from commit 99818557c8ed64d00fcc23a1e87e1ebf41ed5e85)
Review URL: https://codereview.chromium.org/1426263002 .
Diffstat (limited to 'core/src')
| -rw-r--r-- | core/src/fxge/ge/fx_ge_fontmap.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/core/src/fxge/ge/fx_ge_fontmap.cpp b/core/src/fxge/ge/fx_ge_fontmap.cpp index 1360fc795d..96e11300d0 100644 --- a/core/src/fxge/ge/fx_ge_fontmap.cpp +++ b/core/src/fxge/ge/fx_ge_fontmap.cpp @@ -1601,8 +1601,10 @@ FX_DWORD CFX_FolderFontInfo::GetFontData(void* hFont, } } if (datasize && size >= datasize && pFile) { - FXSYS_fseek(pFile, offset, FXSYS_SEEK_SET); - FXSYS_fread(buffer, datasize, 1, pFile); + if (FXSYS_fseek(pFile, offset, FXSYS_SEEK_SET) < 0 || + FXSYS_fread(buffer, datasize, 1, pFile) != 1) { + datasize = 0; + } } if (pFile) { FXSYS_fclose(pFile); |