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gstvalue: Add some assertion guards against invalid parameters to public API

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This commit is contained in:
Sebastian Dröge 2010-06-13 18:00:22 +02:00
parent e6e29192bc
commit 48438b6cc7
1 changed files with 54 additions and 3 deletions
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57
gst/gstvalue.c
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@ -308,6 +308,7 @@ gst_value_list_append_value (GValue * value, const GValue * append_value)
GValue val = { 0, };
g_return_if_fail (GST_VALUE_HOLDS_LIST (value));
g_return_if_fail (G_IS_VALUE (append_value));
gst_value_init_and_copy (&val, append_value);
g_array_append_vals ((GArray *) value->data[0].v_pointer, &val, 1);
@ -326,6 +327,7 @@ gst_value_list_prepend_value (GValue * value, const GValue * prepend_value)
GValue val = { 0, };
g_return_if_fail (GST_VALUE_HOLDS_LIST (value));
g_return_if_fail (G_IS_VALUE (prepend_value));
gst_value_init_and_copy (&val, prepend_value);
g_array_prepend_vals ((GArray *) value->data[0].v_pointer, &val, 1);
@ -430,6 +432,7 @@ gst_value_array_append_value (GValue * value, const GValue * append_value)
GValue val = { 0, };
g_return_if_fail (GST_VALUE_HOLDS_ARRAY (value));
g_return_if_fail (G_IS_VALUE (append_value));
gst_value_init_and_copy (&val, append_value);
g_array_append_vals ((GArray *) value->data[0].v_pointer, &val, 1);
@ -448,6 +451,7 @@ gst_value_array_prepend_value (GValue * value, const GValue * prepend_value)
GValue val = { 0, };
g_return_if_fail (GST_VALUE_HOLDS_ARRAY (value));
g_return_if_fail (G_IS_VALUE (prepend_value));
gst_value_init_and_copy (&val, prepend_value);
g_array_prepend_vals ((GArray *) value->data[0].v_pointer, &val, 1);
@ -949,6 +953,7 @@ void
gst_value_set_double_range (GValue * value, gdouble start, gdouble end)
{
g_return_if_fail (GST_VALUE_HOLDS_DOUBLE_RANGE (value));
g_return_if_fail (start < end);
value->data[0].v_double = start;
value->data[1].v_double = end;
@ -1170,6 +1175,10 @@ gst_value_set_fraction_range_full (GValue * value,
GValue start = { 0 };
GValue end = { 0 };
g_return_if_fail (value != NULL);
g_return_if_fail (denominator_start != 0);
g_return_if_fail (denominator_end != 0);
g_value_init (&start, GST_TYPE_FRACTION);
g_value_init (&end, GST_TYPE_FRACTION);
@ -1194,7 +1203,7 @@ gst_value_get_fraction_range_min (const GValue * value)
{
GValue *vals;
g_return_val_if_fail (GST_VALUE_HOLDS_FRACTION_RANGE (value), FALSE);
g_return_val_if_fail (GST_VALUE_HOLDS_FRACTION_RANGE (value), NULL);
vals = (GValue *) value->data[0].v_pointer;
if (vals != NULL) {
@ -1217,7 +1226,7 @@ gst_value_get_fraction_range_max (const GValue * value)
{
GValue *vals;
g_return_val_if_fail (GST_VALUE_HOLDS_FRACTION_RANGE (value), FALSE);
g_return_val_if_fail (GST_VALUE_HOLDS_FRACTION_RANGE (value), NULL);
vals = (GValue *) value->data[0].v_pointer;
if (vals != NULL) {
@ -1303,7 +1312,9 @@ gst_value_deserialize_fraction_range (GValue * dest, const gchar * s)
void
gst_value_set_caps (GValue * value, const GstCaps * caps)
{
g_return_if_fail (G_IS_VALUE (value));
g_return_if_fail (G_VALUE_TYPE (value) == GST_TYPE_CAPS);
g_return_if_fail (caps == NULL || GST_IS_CAPS (caps));
g_value_set_boxed (value, caps);
}
@ -1319,6 +1330,7 @@ gst_value_set_caps (GValue * value, const GstCaps * caps)
const GstCaps *
gst_value_get_caps (const GValue * value)
{
g_return_val_if_fail (G_IS_VALUE (value), NULL);
g_return_val_if_fail (G_VALUE_TYPE (value) == GST_TYPE_CAPS, NULL);
return (GstCaps *) g_value_get_boxed (value);
@ -1362,7 +1374,9 @@ gst_value_deserialize_caps (GValue * dest, const gchar * s)
void
gst_value_set_structure (GValue * value, const GstStructure * structure)
{
g_return_if_fail (G_IS_VALUE (value));
g_return_if_fail (G_VALUE_TYPE (value) == GST_TYPE_STRUCTURE);
g_return_if_fail (structure == NULL || GST_IS_STRUCTURE (structure));
g_value_set_boxed (value, structure);
}
@ -1380,6 +1394,7 @@ gst_value_set_structure (GValue * value, const GstStructure * structure)
const GstStructure *
gst_value_get_structure (const GValue * value)
{
g_return_val_if_fail (G_IS_VALUE (value), NULL);
g_return_val_if_fail (G_VALUE_TYPE (value) == GST_TYPE_STRUCTURE, NULL);
return (GstStructure *) g_value_get_boxed (value);
@ -2912,6 +2927,9 @@ gst_value_get_compare_func (const GValue * value1)
gboolean
gst_value_can_compare (const GValue * value1, const GValue * value2)
{
g_return_val_if_fail (G_IS_VALUE (value1), FALSE);
g_return_val_if_fail (G_IS_VALUE (value2), FALSE);
if (G_VALUE_TYPE (value1) != G_VALUE_TYPE (value2))
return FALSE;
@ -2936,6 +2954,9 @@ gst_value_compare (const GValue * value1, const GValue * value2)
{
GstValueCompareFunc compare;
g_return_val_if_fail (G_IS_VALUE (value1), GST_VALUE_LESS_THAN);
g_return_val_if_fail (G_IS_VALUE (value2), GST_VALUE_GREATER_THAN);
if (G_VALUE_TYPE (value1) != G_VALUE_TYPE (value2))
return GST_VALUE_UNORDERED;
@ -2997,6 +3018,9 @@ gst_value_can_union (const GValue * value1, const GValue * value2)
GstValueUnionInfo *union_info;
guint i, len;
g_return_val_if_fail (G_IS_VALUE (value1), FALSE);
g_return_val_if_fail (G_IS_VALUE (value2), FALSE);
len = gst_value_union_funcs->len;
for (i = 0; i < len; i++) {
@ -3029,6 +3053,10 @@ gst_value_union (GValue * dest, const GValue * value1, const GValue * value2)
GstValueUnionInfo *union_info;
guint i, len;
g_return_val_if_fail (dest != NULL, FALSE);
g_return_val_if_fail (G_IS_VALUE (value1), FALSE);
g_return_val_if_fail (G_IS_VALUE (value2), FALSE);
len = gst_value_union_funcs->len;
for (i = 0; i < len; i++) {
@ -3097,6 +3125,9 @@ gst_value_can_intersect (const GValue * value1, const GValue * value2)
guint i, len;
GType ltype, type1, type2;
g_return_val_if_fail (G_IS_VALUE (value1), FALSE);
g_return_val_if_fail (G_IS_VALUE (value2), FALSE);
ltype = gst_value_list_get_type ();
/* special cases */
@ -3146,6 +3177,10 @@ gst_value_intersect (GValue * dest, const GValue * value1,
guint i, len;
GType ltype, type1, type2;
g_return_val_if_fail (dest != NULL, FALSE);
g_return_val_if_fail (G_IS_VALUE (value1), FALSE);
g_return_val_if_fail (G_IS_VALUE (value2), FALSE);
ltype = gst_value_list_get_type ();
/* special cases first */
@ -3225,6 +3260,10 @@ gst_value_subtract (GValue * dest, const GValue * minuend,
guint i, len;
GType ltype, mtype, stype;
g_return_val_if_fail (dest != NULL, FALSE);
g_return_val_if_fail (G_IS_VALUE (minuend), FALSE);
g_return_val_if_fail (G_IS_VALUE (subtrahend), FALSE);
ltype = gst_value_list_get_type ();
/* special cases first */
@ -3282,6 +3321,9 @@ gst_value_can_subtract (const GValue * minuend, const GValue * subtrahend)
guint i, len;
GType ltype, mtype, stype;
g_return_val_if_fail (G_IS_VALUE (minuend), FALSE);
g_return_val_if_fail (G_IS_VALUE (subtrahend), FALSE);
ltype = gst_value_list_get_type ();
/* special cases */
@ -3343,6 +3385,8 @@ gst_value_register (const GstValueTable * table)
{
GstValueTable *found;
g_return_if_fail (table != NULL);
g_array_append_val (gst_value_table, *table);
found = gst_value_hash_lookup_type (table->type);
@ -3365,6 +3409,9 @@ gst_value_register (const GstValueTable * table)
void
gst_value_init_and_copy (GValue * dest, const GValue * src)
{
g_return_if_fail (G_IS_VALUE (src));
g_return_if_fail (dest != NULL);
g_value_init (dest, G_VALUE_TYPE (src));
g_value_copy (src, dest);
}
@ -3473,7 +3520,11 @@ gst_value_deserialize (GValue * dest, const gchar * src)
gboolean
gst_value_is_fixed (const GValue * value)
{
GType type = G_VALUE_TYPE (value);
GType type;
g_return_val_if_fail (G_IS_VALUE (value), FALSE);
type = G_VALUE_TYPE (value);
/* the most common types are just basic plain glib types */
if (type <= G_TYPE_MAKE_FUNDAMENTAL (G_TYPE_RESERVED_GLIB_LAST)) {