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Created a macro of the va_arg parsing function because some systems (PPC) cannot handle passing a va_list by reference.

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Original commit message from CVS:
Created a macro of the va_arg parsing function because some systems (PPC)
cannot handle passing a va_list by reference.
This commit is contained in:
Wim Taymans 2001-05-03 22:29:44 +00:00
parent fe084f66f1
commit 7565c285ad
1 changed files with 37 additions and 35 deletions
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72
gst/gstprops.c
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@ -93,39 +93,41 @@ props_find_func (gconstpointer a,
return (entry1 - entry2->propid);
}
static void
gst_props_entry_fill (GstPropsEntry *entry, va_list *var_args)
{
entry->propstype = va_arg (*var_args, GstPropsId);
switch (entry->propstype) {
case GST_PROPS_INT_ID:
entry->data.int_data = va_arg (*var_args, gint);
break;
case GST_PROPS_INT_RANGE_ID:
entry->data.int_range_data.min = va_arg (*var_args, gint);
entry->data.int_range_data.max = va_arg (*var_args, gint);
break;
case GST_PROPS_FLOAT_ID:
entry->data.float_data = va_arg (*var_args, gdouble);
break;
case GST_PROPS_FLOAT_RANGE_ID:
entry->data.float_range_data.min = va_arg (*var_args, gdouble);
entry->data.float_range_data.max = va_arg (*var_args, gdouble);
break;
case GST_PROPS_FOURCC_ID:
entry->data.fourcc_data = va_arg (*var_args, gulong);
break;
case GST_PROPS_BOOL_ID:
entry->data.bool_data = va_arg (*var_args, gboolean);
break;
case GST_PROPS_STRING_ID:
entry->data.string_data.string = g_strdup (va_arg (*var_args, gchar*));
break;
default:
break;
}
}
/* This is implemented as a huge macro because we cannot pass
* va_list variables by reference on some architectures.
*/
#define GST_PROPS_ENTRY_FILL(entry, var_args) \
G_STMT_START { \
entry->propstype = va_arg (var_args, GstPropsId); \
\
switch (entry->propstype) { \
case GST_PROPS_INT_ID: \
entry->data.int_data = va_arg (var_args, gint); \
break; \
case GST_PROPS_INT_RANGE_ID: \
entry->data.int_range_data.min = va_arg (var_args, gint); \
entry->data.int_range_data.max = va_arg (var_args, gint); \
break; \
case GST_PROPS_FLOAT_ID: \
entry->data.float_data = va_arg (var_args, gdouble); \
break; \
case GST_PROPS_FLOAT_RANGE_ID: \
entry->data.float_range_data.min = va_arg (var_args, gdouble); \
entry->data.float_range_data.max = va_arg (var_args, gdouble); \
break; \
case GST_PROPS_FOURCC_ID: \
entry->data.fourcc_data = va_arg (var_args, gulong); \
break; \
case GST_PROPS_BOOL_ID: \
entry->data.bool_data = va_arg (var_args, gboolean); \
break; \
case GST_PROPS_STRING_ID: \
entry->data.string_data.string = g_strdup (va_arg (var_args, gchar*)); \
break; \
default: \
break; \
} \
} G_STMT_END
/**
* gst_props_new:
@ -186,7 +188,7 @@ gst_props_newv (const gchar *firstname, va_list var_args)
g_mutex_unlock (_gst_props_entries_chunk_lock);
entry->propid = g_quark_from_string (prop_name);
gst_props_entry_fill (entry, &var_args);
GST_PROPS_ENTRY_FILL (entry, var_args);
switch (entry->propstype) {
case GST_PROPS_INT_ID:
@ -258,7 +260,7 @@ gst_props_set (GstProps *props, const gchar *name, ...)
va_start (var_args, name);
gst_props_entry_fill (entry, &var_args);
GST_PROPS_ENTRY_FILL (entry, var_args);
va_end (var_args);
}