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* src/smooth/ftgrays.c (gray_convert_glyph): Clear stack pointers.

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Fixes a dangling pointer warning, see #1299.
This commit is contained in:
Alexei Podtelezhnikov 2024-10-13 12:14:43 -04:00
parent 5f20c89215
commit 089ccb1bfa
1 changed files with 9 additions and 4 deletions
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13
src/smooth/ftgrays.c
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@ -1873,6 +1873,7 @@ typedef ptrdiff_t FT_PtrDist;
TCoord* band;
int continued = 0;
int error = Smooth_Err_Ok;
/* Initialize the null cell at the end of the poll. */
@ -1907,7 +1908,6 @@ typedef ptrdiff_t FT_PtrDist;
do
{
TCoord i;
int error;
ras.min_ex = band[1];
@ -1936,7 +1936,7 @@ typedef ptrdiff_t FT_PtrDist;
continue;
}
else if ( error != Smooth_Err_Raster_Overflow )
return error;
goto Exit;
/* render pool overflow; we will reduce the render band by half */
i = ( band[0] - band[1] ) >> 1;
@ -1945,7 +1945,8 @@ typedef ptrdiff_t FT_PtrDist;
if ( i == 0 )
{
FT_TRACE7(( "gray_convert_glyph: rotten glyph\n" ));
return FT_THROW( Raster_Overflow );
error = FT_THROW( Raster_Overflow );
goto Exit;
}
band++;
@ -1954,7 +1955,11 @@ typedef ptrdiff_t FT_PtrDist;
} while ( band >= bands );
}
return Smooth_Err_Ok;
Exit:
ras.cell = ras.cell_free = ras.cell_null = NULL;
ras.ycells = NULL;
return error;
}