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Fix segfaults in imagecreate/imagecreatetruecolor

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This commit is contained in:
Sascha Schumann 2003-04-03 19:18:57 +00:00
parent e3f1641527
commit c2e2423838
1 changed files with 12 additions and 0 deletions
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12
ext/gd/gd.c
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@ -800,6 +800,12 @@ PHP_FUNCTION(imagecreatetruecolor)
convert_to_long_ex(x_size);
convert_to_long_ex(y_size);
if (Z_LVAL_PP(x_size) <= 0
|| Z_LVAL_PP(y_size) <= 0) {
php_error(E_WARNING, "invalid image dimensions");
RETURN_FALSE;
}
im = gdImageCreateTrueColor(Z_LVAL_PP(x_size), Z_LVAL_PP(y_size));
ZEND_REGISTER_RESOURCE(return_value, im, le_gd);
@ -1243,6 +1249,12 @@ PHP_FUNCTION(imagecreate)
convert_to_long_ex(x_size);
convert_to_long_ex(y_size);
if (Z_LVAL_PP(x_size) <= 0
|| Z_LVAL_PP(y_size) <= 0) {
php_error(E_WARNING, "invalid image dimensions");
RETURN_FALSE;
}
im = gdImageCreate(Z_LVAL_PP(x_size), Z_LVAL_PP(y_size));
ZEND_REGISTER_RESOURCE(return_value, im, le_gd);