fix some unitialized values and typo

diff --git a/ext/gd/libgd/gd_interpolation.c b/ext/gd/libgd/gd_interpolation.c
index d805ec93e6cc26a725447aadf6530ebbeb9db66e..a1916a13d431f426cb20149f960a7052670bc69b 100644 (file)
--- a/ext/gd/libgd/gd_interpolation.c
+++ b/ext/gd/libgd/gd_interpolation.c
@@ -639,7 +639,7 @@ static inline int getPixelOverflowTC(gdImagePtr im, const int x, const int y, co
                }
                return c;
        } else {
-               register int border;
+               register int border = 0;
 
                if (y < im->cy1) {
                        border = im->tpixels[0][im->cx1];
@@ -690,7 +690,7 @@ static inline int getPixelOverflowPalette(gdImagePtr im, const int x, const int
                }
                return colorIndex2RGBA(c);
        } else {
-               register int border;
+               register int border = 0;
                if (y < im->cy1) {
                        border = gdImageGetPixel(im, im->cx1, 0);
                        goto processborder;
@@ -886,7 +886,7 @@ static inline LineContribType * _gdContributionsAlloc(unsigned int line_length,
     return res;
 }
 
-static inline _gdContributionsFree(LineContribType * p)
+static inline void _gdContributionsFree(LineContribType * p)
 {
        unsigned int u;
        for (u = 0; u < p->LineLength; u++)  {
@@ -1001,7 +1001,7 @@ static inline void _gdScaleHoriz(gdImagePtr pSrc, unsigned int src_width, unsign
        _gdContributionsFree (contrib);
 }
 
-static inline _gdScaleCol (gdImagePtr pSrc,  unsigned int src_width, gdImagePtr pRes, unsigned int dst_width, unsigned int dst_height, unsigned int uCol, LineContribType *contrib)
+static inline void _gdScaleCol (gdImagePtr pSrc,  unsigned int src_width, gdImagePtr pRes, unsigned int dst_width, unsigned int dst_height, unsigned int uCol, LineContribType *contrib)
 {
        unsigned int y;
     for (y = 0; y < dst_height - 1; y++) {
@@ -1024,7 +1024,7 @@ static inline _gdScaleCol (gdImagePtr pSrc,  unsigned int src_width, gdImagePtr
     }
 }
 
-static inline _gdScaleVert (const gdImagePtr pSrc, const unsigned int src_width, const unsigned int src_height, const gdImagePtr pDst, const unsigned int dst_width, const unsigned int dst_height)
+static inline void _gdScaleVert (const gdImagePtr pSrc, const unsigned int src_width, const unsigned int src_height, const gdImagePtr pDst, const unsigned int dst_width, const unsigned int dst_height)
 {
        unsigned int u;
        LineContribType * contrib;
@@ -1058,6 +1058,7 @@ gdImagePtr gdImageScaleTwoPass(const gdImagePtr src, const unsigned int src_widt
 
        dst = gdImageCreateTrueColor(new_width, new_height);
        if (dst == NULL) {
+               gdFree(tmp_im);
                return NULL;
        }
        _gdScaleVert(tmp_im, new_width, src_height, dst, new_width, new_height);
@@ -1149,7 +1150,7 @@ static inline int getPixelOverflowColorTC(gdImagePtr im, const int x, const int
                }
                return c;
        } else {
-               register int border;
+               register int border = 0;
                if (y < im->cy1) {
                        border = im->tpixels[0][im->cx1];
                        goto processborder;
@@ -2328,12 +2329,12 @@ int gdTransformAffineCopy(gdImagePtr dst,
        gdPointF pt, src_pt;
        gdRect bbox;
        int end_x, end_y;
-       gdInterpolationMethod interpolotion_id_bak;
+       gdInterpolationMethod interpolation_id_bak = GD_DEFAULT;
        interpolation_method interpolation_bak;
 
        /* These methods use special implementations */
        if (src->interpolation_id == GD_BILINEAR_FIXED || src->interpolation_id == GD_BICUBIC_FIXED || src->interpolation_id == GD_NEAREST_NEIGHBOUR) {
-               interpolotion_id_bak = src->interpolation_id;
+               interpolation_id_bak = src->interpolation_id;
                interpolation_bak = src->interpolation;
                
                gdImageSetInterpolationMethod(src, GD_BICUBIC);
@@ -2360,7 +2361,7 @@ int gdTransformAffineCopy(gdImagePtr dst,
                        gdImageSetClip(src, backup_clipx1, backup_clipy1,
                                        backup_clipx2, backup_clipy2);
                }
-               gdImageSetInterpolationMethod(src, interpolotion_id_bak);
+               gdImageSetInterpolationMethod(src, interpolation_id_bak);
                return GD_FALSE;
        }
 
@@ -2410,7 +2411,7 @@ int gdTransformAffineCopy(gdImagePtr dst,
                                backup_clipx2, backup_clipy2);
        }
 
-       gdImageSetInterpolationMethod(src, interpolotion_id_bak);
+       gdImageSetInterpolationMethod(src, interpolation_id_bak);
        return GD_TRUE;
 }