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Dynamically allocate points for ImagePolygon (Marc Pohl)

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@Dynamically allocate points for ImagePolygon (Marc Pohl)
This commit is contained in:
Rasmus Lerdorf
2000-05-01 18:56:58 +00:00
parent 113b87736b
commit 83f567abf3
1 changed files with 6 additions and 5 deletions
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11
ext/gd/gd.c
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@@ -176,8 +176,6 @@ DLEXPORT zend_module_entry *get_module(void) { return &gd_module_entry; }
#endif
#define PolyMaxPoints 256
static void php_free_gd_font(gdFontPtr fp)
{
if (fp->data) {
@@ -1418,7 +1416,7 @@ static void php_imagepolygon(INTERNAL_FUNCTION_PARAMETERS, int filled) {
zval **IM, **POINTS, **NPOINTS, **COL;
pval **var = NULL;
gdImagePtr im;
gdPoint points[PolyMaxPoints];
gdPointPtr points;
int npoints, col, nelem, i;
GDLS_FETCH();
@@ -1464,8 +1462,9 @@ static void php_imagepolygon(INTERNAL_FUNCTION_PARAMETERS, int filled) {
RETURN_FALSE;
}
if (npoints > PolyMaxPoints) {
php_error(E_WARNING, "maximum %d points", PolyMaxPoints);
points = (gdPointPtr) emalloc(npoints * sizeof(gdPoint));
if (points == NULL) {
php_error(E_WARNING, "ImagePolygon: Memory allocation fault");
RETURN_FALSE;
}
@@ -1489,6 +1488,8 @@ static void php_imagepolygon(INTERNAL_FUNCTION_PARAMETERS, int filled) {
gdImagePolygon(im, points, npoints, col);
}
efree(points);
RETURN_TRUE;
}