Module: wine Branch: master Commit: 842b0d73385e78c8d5fb70d932ba73132800f34e URL: https://source.winehq.org/git/wine.git/?a=commit;h=842b0d73385e78c8d5fb70d93...
Author: Sven Baars sbaars@codeweavers.com Date: Sun Apr 18 14:30:26 2021 +0200
gdi32: Fix some leaks on error paths.
Signed-off-by: Sven Baars sbaars@codeweavers.com Signed-off-by: Alexandre Julliard julliard@winehq.org
---
dlls/gdi32/bidi.c | 88 +++++++++++++++++++++++-------------------------------- 1 file changed, 36 insertions(+), 52 deletions(-)
diff --git a/dlls/gdi32/bidi.c b/dlls/gdi32/bidi.c index 18971026395..8f3d31bf2ec 100644 --- a/dlls/gdi32/bidi.c +++ b/dlls/gdi32/bidi.c @@ -336,17 +336,17 @@ BOOL BIDI_Reorder( INT *cGlyphs /* [out] number of glyphs generated */ ) { - WORD *chartype; - BYTE *levels; + WORD *chartype = NULL; + BYTE *levels = NULL; INT i, done; unsigned glyph_i; - BOOL is_complex; + BOOL is_complex, ret = FALSE;
int maxItems; int nItems; SCRIPT_CONTROL Control; SCRIPT_STATE State; - SCRIPT_ITEM *pItems; + SCRIPT_ITEM *pItems = NULL; HRESULT res; SCRIPT_CACHE psc = NULL; WORD *run_glyphs = NULL; @@ -429,8 +429,7 @@ BOOL BIDI_Reorder( if (!levels) { WARN("Out of memory\n"); - HeapFree(GetProcessHeap(), 0, chartype); - return FALSE; + goto cleanup; }
maxItems = 5; @@ -438,9 +437,7 @@ BOOL BIDI_Reorder( if (!pItems) { WARN("Out of memory\n"); - HeapFree(GetProcessHeap(), 0, chartype); - HeapFree(GetProcessHeap(), 0, levels); - return FALSE; + goto cleanup; }
if (lpGlyphs) @@ -450,31 +447,19 @@ BOOL BIDI_Reorder( if (!run_glyphs) { WARN("Out of memory\n"); - HeapFree(GetProcessHeap(), 0, chartype); - HeapFree(GetProcessHeap(), 0, levels); - HeapFree(GetProcessHeap(), 0, pItems); - return FALSE; + goto cleanup; } pwLogClust = HeapAlloc(GetProcessHeap(),0,sizeof(WORD) * uCount); if (!pwLogClust) { WARN("Out of memory\n"); - HeapFree(GetProcessHeap(), 0, chartype); - HeapFree(GetProcessHeap(), 0, levels); - HeapFree(GetProcessHeap(), 0, pItems); - HeapFree(GetProcessHeap(), 0, run_glyphs); - return FALSE; + goto cleanup; } psva = HeapAlloc(GetProcessHeap(),0,sizeof(SCRIPT_VISATTR) * uCount); if (!psva) { WARN("Out of memory\n"); - HeapFree(GetProcessHeap(), 0, chartype); - HeapFree(GetProcessHeap(), 0, levels); - HeapFree(GetProcessHeap(), 0, pItems); - HeapFree(GetProcessHeap(), 0, run_glyphs); - HeapFree(GetProcessHeap(), 0, pwLogClust); - return FALSE; + goto cleanup; } }
@@ -519,18 +504,14 @@ BOOL BIDI_Reorder( res = ScriptItemize(lpString + done, i, maxItems, &Control, &State, pItems, &nItems); while (res == E_OUTOFMEMORY) { - maxItems = maxItems * 2; - pItems = HeapReAlloc(GetProcessHeap(), 0, pItems, sizeof(SCRIPT_ITEM) * maxItems); - if (!pItems) + SCRIPT_ITEM *new_pItems = HeapReAlloc(GetProcessHeap(), 0, pItems, sizeof(*pItems) * maxItems * 2); + if (!new_pItems) { WARN("Out of memory\n"); - HeapFree(GetProcessHeap(), 0, chartype); - HeapFree(GetProcessHeap(), 0, levels); - HeapFree(GetProcessHeap(), 0, run_glyphs); - HeapFree(GetProcessHeap(), 0, pwLogClust); - HeapFree(GetProcessHeap(), 0, psva); - return FALSE; + goto cleanup; } + pItems = new_pItems; + maxItems *= 2; res = ScriptItemize(lpString + done, i, maxItems, &Control, &State, pItems, &nItems); }
@@ -587,12 +568,7 @@ BOOL BIDI_Reorder( WARN("Out of memory\n"); HeapFree(GetProcessHeap(), 0, runOrder); HeapFree(GetProcessHeap(), 0, visOrder); - HeapFree(GetProcessHeap(), 0, chartype); - HeapFree(GetProcessHeap(), 0, levels); - HeapFree(GetProcessHeap(), 0, pItems); - HeapFree(GetProcessHeap(), 0, psva); - HeapFree(GetProcessHeap(), 0, pwLogClust); - return FALSE; + goto cleanup; }
for (j = 0; j < nItems; j++) @@ -611,23 +587,18 @@ BOOL BIDI_Reorder( res = ScriptShape(hDC, &psc, lpString + done + curItem->iCharPos, cChars, cMaxGlyphs, &curItem->a, run_glyphs, pwLogClust, psva, &cOutGlyphs); while (res == E_OUTOFMEMORY) { - cMaxGlyphs *= 2; - run_glyphs = HeapReAlloc(GetProcessHeap(), 0, run_glyphs, sizeof(WORD) * cMaxGlyphs); - if (!run_glyphs) + WORD *new_run_glyphs = HeapReAlloc(GetProcessHeap(), 0, run_glyphs, sizeof(*run_glyphs) * cMaxGlyphs * 2); + if (!new_run_glyphs) { WARN("Out of memory\n"); HeapFree(GetProcessHeap(), 0, runOrder); HeapFree(GetProcessHeap(), 0, visOrder); - HeapFree(GetProcessHeap(), 0, chartype); - HeapFree(GetProcessHeap(), 0, levels); - HeapFree(GetProcessHeap(), 0, pItems); - HeapFree(GetProcessHeap(), 0, psva); - HeapFree(GetProcessHeap(), 0, pwLogClust); HeapFree(GetProcessHeap(), 0, *lpGlyphs); - ScriptFreeCache(&psc); *lpGlyphs = NULL; - return FALSE; + goto cleanup; } + run_glyphs = new_run_glyphs; + cMaxGlyphs *= 2; res = ScriptShape(hDC, &psc, lpString + done + curItem->iCharPos, cChars, cMaxGlyphs, &curItem->a, run_glyphs, pwLogClust, psva, &cOutGlyphs); } if (res) @@ -643,10 +614,21 @@ BOOL BIDI_Reorder( } else { + WORD *new_glyphs; if (*lpGlyphs) - *lpGlyphs = HeapReAlloc(GetProcessHeap(), 0, *lpGlyphs, sizeof(WORD) * (glyph_i + cOutGlyphs)); + new_glyphs = HeapReAlloc(GetProcessHeap(), 0, *lpGlyphs, sizeof(**lpGlyphs) * (glyph_i + cOutGlyphs)); else - *lpGlyphs = HeapAlloc(GetProcessHeap(), 0, sizeof(WORD) * (glyph_i + cOutGlyphs)); + new_glyphs = HeapAlloc(GetProcessHeap(), 0, sizeof(**lpGlyphs) * (glyph_i + cOutGlyphs)); + if (!new_glyphs) + { + WARN("Out of memory\n"); + HeapFree(GetProcessHeap(), 0, runOrder); + HeapFree(GetProcessHeap(), 0, visOrder); + HeapFree(GetProcessHeap(), 0, *lpGlyphs); + *lpGlyphs = NULL; + goto cleanup; + } + *lpGlyphs = new_glyphs; for (k = 0; k < cOutGlyphs; k++) (*lpGlyphs)[glyph_i+k] = run_glyphs[k]; glyph_i += cOutGlyphs; @@ -661,6 +643,8 @@ BOOL BIDI_Reorder( if (cGlyphs) *cGlyphs = glyph_i;
+ ret = TRUE; +cleanup: HeapFree(GetProcessHeap(), 0, chartype); HeapFree(GetProcessHeap(), 0, levels); HeapFree(GetProcessHeap(), 0, pItems); @@ -668,5 +652,5 @@ BOOL BIDI_Reorder( HeapFree(GetProcessHeap(), 0, pwLogClust); HeapFree(GetProcessHeap(), 0, psva); ScriptFreeCache(&psc); - return TRUE; + return ret; }