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gstvalue: Add some more assertions and checks for valid input parameters

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This commit is contained in:
Sebastian Dröge 2010-06-14 15:30:08 +02:00
parent 7e23719a74
commit 4d8320e4c6
1 changed files with 57 additions and 0 deletions
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57
gst/gstvalue.c
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@ -786,6 +786,13 @@ static gchar *
gst_value_collect_int_range (GValue * value, guint n_collect_values,
GTypeCValue * collect_values, guint collect_flags)
{
if (n_collect_values != 2)
return g_strdup_printf ("not enough value locations for `%s' passed",
G_VALUE_TYPE_NAME (value));
if (collect_values[0].v_int >= collect_values[1].v_int)
return g_strdup_printf ("range start is not smaller than end for `%s'",
G_VALUE_TYPE_NAME (value));
value->data[0].v_int = collect_values[0].v_int;
value->data[1].v_int = collect_values[1].v_int;
@ -915,6 +922,13 @@ static gchar *
gst_value_collect_double_range (GValue * value, guint n_collect_values,
GTypeCValue * collect_values, guint collect_flags)
{
if (n_collect_values != 2)
return g_strdup_printf ("not enough value locations for `%s' passed",
G_VALUE_TYPE_NAME (value));
if (collect_values[0].v_double >= collect_values[1].v_double)
return g_strdup_printf ("range start is not smaller than end for `%s'",
G_VALUE_TYPE_NAME (value));
value->data[0].v_double = collect_values[0].v_double;
value->data[1].v_double = collect_values[1].v_double;
@ -1086,6 +1100,19 @@ gst_value_collect_fraction_range (GValue * value, guint n_collect_values,
if (n_collect_values != 4)
return g_strdup_printf ("not enough value locations for `%s' passed",
G_VALUE_TYPE_NAME (value));
if (collect_values[1].v_int == 0)
return g_strdup_printf ("passed '0' as first denominator for `%s'",
G_VALUE_TYPE_NAME (value));
if (collect_values[3].v_int == 0)
return g_strdup_printf ("passed '0' as second denominator for `%s'",
G_VALUE_TYPE_NAME (value));
if ((((gdouble) collect_values[0].v_int) /
((gdouble) collect_values[1].v_int)) >=
(((gdouble) collect_values[2].v_int) /
((gdouble) collect_values[3].v_int)))
return g_strdup_printf ("range start is not smaller than end for `%s'",
G_VALUE_TYPE_NAME (value));
if (vals == NULL) {
gst_value_init_fraction_range (value);
vals = value->data[0].v_pointer;
@ -1146,6 +1173,11 @@ gst_value_set_fraction_range (GValue * value, const GValue * start,
GValue *vals;
g_return_if_fail (GST_VALUE_HOLDS_FRACTION_RANGE (value));
g_return_if_fail (GST_VALUE_HOLDS_FRACTION (start));
g_return_if_fail (GST_VALUE_HOLDS_FRACTION (end));
g_return_if_fail (((gdouble) start->data[0].v_int) /
((gdouble) start->data[1].v_int) <
((gdouble) end->data[0].v_int) / ((gdouble) end->data[1].v_int));
vals = (GValue *) value->data[0].v_pointer;
if (vals == NULL) {
@ -1178,6 +1210,9 @@ gst_value_set_fraction_range_full (GValue * value,
g_return_if_fail (value != NULL);
g_return_if_fail (denominator_start != 0);
g_return_if_fail (denominator_end != 0);
g_return_if_fail (((gdouble) numerator_start) /
((gdouble) denominator_start) <
((gdouble) numerator_end) / ((gdouble) denominator_end));
g_value_init (&start, GST_TYPE_FRACTION);
g_value_init (&end, GST_TYPE_FRACTION);
@ -3570,6 +3605,23 @@ static gchar *
gst_value_collect_fraction (GValue * value, guint n_collect_values,
GTypeCValue * collect_values, guint collect_flags)
{
if (n_collect_values != 2)
return g_strdup_printf ("not enough value locations for `%s' passed",
G_VALUE_TYPE_NAME (value));
if (collect_values[1].v_int == 0)
return g_strdup_printf ("passed '0' as denominator for `%s'",
G_VALUE_TYPE_NAME (value));
if (collect_values[0].v_int < -G_MAXINT)
return
g_strdup_printf
("passed value smaller than -G_MAXINT as numerator for `%s'",
G_VALUE_TYPE_NAME (value));
if (collect_values[1].v_int < -G_MAXINT)
return
g_strdup_printf
("passed value smaller than -G_MAXINT as denominator for `%s'",
G_VALUE_TYPE_NAME (value));
gst_value_set_fraction (value,
collect_values[0].v_int, collect_values[1].v_int);
@ -3685,6 +3737,7 @@ gst_value_fraction_multiply (GValue * product, const GValue * factor1,
gint n1, n2, d1, d2;
gint res_n, res_d;
g_return_val_if_fail (product != NULL, FALSE);
g_return_val_if_fail (GST_VALUE_HOLDS_FRACTION (factor1), FALSE);
g_return_val_if_fail (GST_VALUE_HOLDS_FRACTION (factor2), FALSE);
@ -3718,6 +3771,7 @@ gst_value_fraction_subtract (GValue * dest,
gint n1, n2, d1, d2;
gint res_n, res_d;
g_return_val_if_fail (dest != NULL, FALSE);
g_return_val_if_fail (GST_VALUE_HOLDS_FRACTION (minuend), FALSE);
g_return_val_if_fail (GST_VALUE_HOLDS_FRACTION (subtrahend), FALSE);
@ -3769,6 +3823,9 @@ gst_value_deserialize_fraction (GValue * dest, const gchar * s)
if (sscanf (s, "%d/%d%n", &num, &den, &num_chars) >= 2) {
if (s[num_chars] != 0)
return FALSE;
if (den == 0)
return FALSE;
gst_value_set_fraction (dest, num, den);
return TRUE;
} else if (g_ascii_strcasecmp (s, "1/max") == 0) {