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Add gst_value_init_and_copy() and use it, to avoid silly mistakes in using g_value_copy()

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Original commit message from CVS:
Add gst_value_init_and_copy() and use it, to avoid silly mistakes in
using g_value_copy()
This commit is contained in:
David Schleef 2003-12-22 07:00:25 +00:00
parent 003a59c4f3
commit 72163f3e5c
4 changed files with 30 additions and 25 deletions
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6
ChangeLog
View file

@ -1,3 +1,9 @@
2003-12-22 David Schleef <ds@schleef.org>
* gststructure.c, gstvalue.c, gstvalue.h: Add
gst_value_init_and_copy() and use it, to avoid silly mistakes in
using g_value_copy()
2003-12-21 David Schleef <ds@schleef.org>
* many, many files: Merge CAPS branch. This includes:

7
gst/gststructure.c
View file

@ -221,9 +221,7 @@ GstStructure *gst_structure_copy(GstStructure *structure)
field = GST_STRUCTURE_FIELD(structure, i);
new_field.name = field->name;
g_value_init(&new_field.value, G_VALUE_TYPE(&field->value));
g_value_copy(&field->value, &new_field.value);
gst_value_init_and_copy (&new_field.value, &field->value);
g_array_append_val(new_structure->fields, new_field);
}
@ -308,8 +306,7 @@ void gst_structure_id_set_value(GstStructure *structure, GQuark fieldname,
g_return_if_fail(G_IS_VALUE(value));
field.name = fieldname;
g_value_init(&field.value, G_VALUE_TYPE (value));
g_value_copy(value, &field.value);
gst_value_init_and_copy (&field.value, value);
gst_structure_set_field(structure, &field);
}

41
gst/gstvalue.c
View file

@ -71,8 +71,8 @@ gst_value_list_array_copy (const GArray *src)
dest = g_array_sized_new (FALSE, TRUE, sizeof(GValue), src->len);
g_array_set_size (dest, src->len);
for (i = 0; i < src->len; i++) {
g_value_init (&g_array_index(dest, GValue, i), G_VALUE_TYPE (&g_array_index(src, GValue, i)));
g_value_copy (&g_array_index(src, GValue, i), &g_array_index(dest, GValue, i));
gst_value_init_and_copy (&g_array_index(dest, GValue, i),
&g_array_index(src, GValue, i));
}
return dest;
@ -197,22 +197,21 @@ gst_value_list_concat (GValue *dest, const GValue *value1, const GValue *value2)
if (GST_VALUE_HOLDS_LIST (value1)) {
for (i = 0; i < value1_length; i++) {
g_value_init (&g_array_index(array, GValue, i), G_VALUE_TYPE (gst_value_list_get_value (value1, i)));
g_value_copy (gst_value_list_get_value (value1, i), &g_array_index(array, GValue, i));
gst_value_init_and_copy (&g_array_index(array, GValue, i),
gst_value_list_get_value (value1, i));
}
} else {
g_value_init (&g_array_index(array, GValue, 0), G_VALUE_TYPE (value1));
g_value_copy (value1, &g_array_index(array, GValue, 0));
gst_value_init_and_copy (&g_array_index(array, GValue, 0), value1);
}
if (GST_VALUE_HOLDS_LIST (value2)) {
for (i = 0; i < value2_length; i++) {
g_value_init (&g_array_index(array, GValue, i + value1_length), G_VALUE_TYPE (gst_value_list_get_value (value2, i)));
g_value_copy (gst_value_list_get_value (value2, i), &g_array_index(array, GValue, i + value1_length));
gst_value_init_and_copy (&g_array_index(array, GValue, i + value1_length),
gst_value_list_get_value (value2, i));
}
} else {
g_value_init (&g_array_index(array, GValue, value1_length), G_VALUE_TYPE (value2));
g_value_copy (value2, &g_array_index(array, GValue, value1_length));
gst_value_init_and_copy (&g_array_index(array, GValue, value1_length),
value2);
}
}
@ -703,8 +702,7 @@ gst_value_intersect_int_int_range (GValue *dest, const GValue *src1,
if (src2->data[0].v_int <= src1->data[0].v_int &&
src2->data[1].v_int >= src1->data[0].v_int){
g_value_init(dest, G_TYPE_INT);
g_value_copy(src1, dest);
gst_value_init_and_copy (dest, src1);
return TRUE;
}
@ -747,8 +745,7 @@ gst_value_intersect_double_double_range (GValue *dest, const GValue *src1,
if (src2->data[0].v_double <= src1->data[0].v_double &&
src2->data[1].v_double >= src1->data[0].v_double){
g_value_init(dest, G_TYPE_DOUBLE);
g_value_copy(src1, dest);
gst_value_init_and_copy (dest, src1);
return TRUE;
}
@ -798,16 +795,14 @@ gst_value_intersect_list (GValue *dest, const GValue *value1, const GValue *valu
if (gst_value_intersect (&intersection, cur, value2)) {
/* append value */
if (!ret) {
g_value_init (dest, G_VALUE_TYPE(&intersection));
g_value_copy (dest, &intersection);
gst_value_init_and_copy (dest, &intersection);
ret = TRUE;
} else if (GST_VALUE_HOLDS_LIST (dest)) {
gst_value_list_append_value (dest, &intersection);
} else {
GValue temp = {0, };
g_value_init (&temp, G_VALUE_TYPE(dest));
g_value_copy (dest, &temp);
gst_value_init_and_copy (&temp, dest);
g_value_unset (dest);
gst_value_list_concat (dest, &temp, &intersection);
}
@ -868,14 +863,20 @@ gst_value_intersect (GValue *dest, const GValue *value1, const GValue *value2)
}
if(gst_value_compare(value1, value2) == GST_VALUE_EQUAL){
g_value_init(dest, G_VALUE_TYPE(value1));
g_value_copy(value1, dest);
gst_value_init_and_copy (dest, value1);
ret = TRUE;
}
return ret;
}
void
gst_value_init_and_copy (GValue *dest, const GValue *src)
{
g_value_init (dest, G_VALUE_TYPE(src));
g_value_copy (src, dest);
}
void
gst_value_register_intersect_func (GType type1, GType type2,
GstValueIntersectFunc func)

1
gst/gstvalue.h
View file

@ -85,6 +85,7 @@ void gst_value_list_concat (GValue *dest, const GValue *value1, const GValue *va
void _gst_value_initialize (void);
void gst_value_init_and_copy (GValue *dest, const GValue *src);
int gst_value_compare (const GValue *src1, const GValue *src2);
gboolean gst_value_intersect (GValue *dest, const GValue *src1, const GValue *src2);
gboolean gst_value_union (GValue *dest, const GValue *src1, const GValue *src2);