[Git][freetype/freetype][master] * src/smooth/ftgrays.c (gray_convert_glyph): Clear stack pointers.

[Alexei Podtelezhnikov (@apodtele)]

Alexei Podtelezhnikov pushed to branch master at FreeType / FreeType

Commits:

• 089ccb1b
  by Alexei Podtelezhnikov (Алексей Подтележников) at 2024-10-13T12:14:43-04:00

  * src/smooth/ftgrays.c (gray_convert_glyph): Clear stack pointers.
  
  Fixes a dangling pointer warning, see #1299.
  

1 changed file:

• src/smooth/ftgrays.c

Changes:

src/smooth/ftgrays.c

---

...	...	@@ -1873,6 +1873,7 @@ typedef ptrdiff_t FT_PtrDist;
1873	1873	TCoord* band;
1874	1874
1875	1875	int continued = 0;
	1876	+ int error = Smooth_Err_Ok;
1876	1877
1877	1878
1878	1879	/* Initialize the null cell at the end of the poll. */
...	...	@@ -1907,7 +1908,6 @@ typedef ptrdiff_t FT_PtrDist;
1907	1908	do
1908	1909	{
1909	1910	TCoord i;
1910		- int error;
1911	1911
1912	1912
1913	1913	ras.min_ex = band[1];
...	...	@@ -1936,7 +1936,7 @@ typedef ptrdiff_t FT_PtrDist;
1936	1936	continue;
1937	1937	}
1938	1938	else if ( error != Smooth_Err_Raster_Overflow )
1939		- return error;
	1939	+ goto Exit;
1940	1940
1941	1941	/* render pool overflow; we will reduce the render band by half */
1942	1942	i = ( band[0] - band[1] ) >> 1;
...	...	@@ -1945,7 +1945,8 @@ typedef ptrdiff_t FT_PtrDist;
1945	1945	if ( i == 0 )
1946	1946	{
1947	1947	FT_TRACE7(( "gray_convert_glyph: rotten glyph\n" ));
1948		- return FT_THROW( Raster_Overflow );
	1948	+ error = FT_THROW( Raster_Overflow );
	1949	+ goto Exit;
1949	1950	}
1950	1951
1951	1952	band++;
...	...	@@ -1954,7 +1955,11 @@ typedef ptrdiff_t FT_PtrDist;
1954	1955	} while ( band >= bands );
1955	1956	}
1956	1957
1957		- return Smooth_Err_Ok;
	1958	+ Exit:
	1959	+ ras.cell = ras.cell_free = ras.cell_null = NULL;
	1960	+ ras.ycells = NULL;
	1961	+
	1962	+ return error;
1958	1963	}
1959	1964
1960	1965

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