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/* Copyright (C) 2001-2005 by Hans Reiser, licensing governed by
reiser4progs/COPYING.
print.c -- printing different reiser4 objects stuff. */
#ifndef ENABLE_MINIMAL
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <reiser4/libreiser4.h>
static aal_list_t *current = NULL;
static aal_list_t *streams = NULL;
/* Adds passed stream to stream pool. */
static void reiser4_print_add_stream(aal_stream_t *stream) {
streams = aal_list_append(streams, stream);
}
/* Removes passed stream from stream pool. */
static void reiser4_print_rem_stream(aal_stream_t *stream) {
aal_list_t *next;
next = aal_list_remove(streams, stream);
if (!next || !next->prev)
streams = next;
}
/* Initializes stream pool. It creates @pool number of streams, which will be
used later for printing something to them. */
errno_t reiser4_print_init(uint32_t pool) {
streams = NULL;
for (; pool > 0; pool--) {
aal_stream_t *stream;
if (!(stream = aal_stream_create(NULL, &memory_stream)))
return -ENOMEM;
reiser4_print_add_stream(stream);
}
current = aal_list_first(streams);
return 0;
}
/* Finalizes stream pool. */
void reiser4_print_fini(void) {
aal_list_t *walk, *next;
for (walk = streams; walk; walk = next) {
void *stream = walk->data;
next = walk->next;
reiser4_print_rem_stream(stream);
aal_stream_fini(stream);
}
current = NULL;
streams = NULL;
}
/* Prints passed @key with @options to some of stream from stream pool and
retrun pointer to result. */
char *reiser4_print_key(reiser4_key_t *key) {
aal_stream_t *stream;
aal_assert("umka-2379", key != NULL);
aal_assert("umka-3086", current != NULL);
aal_assert("umka-3087", streams != NULL);
stream = (aal_stream_t *)current->data;
if (!(current = current->next))
current = aal_list_first(streams);
aal_stream_reset(stream);
reiser4_key_print(key, stream, PO_DEFAULT);
return (char *)stream->entity;
}
/* Prints passed @key with @options to some of stream from stream pool and
retrun pointer to result. */
char *reiser4_print_inode(reiser4_key_t *key) {
aal_stream_t *stream;
aal_assert("umka-2379", key != NULL);
aal_assert("umka-3086", current != NULL);
aal_assert("umka-3087", streams != NULL);
stream = (aal_stream_t *)current->data;
if (!(current = current->next))
current = aal_list_first(streams);
aal_stream_reset(stream);
reiser4_key_print(key, stream, PO_INODE);
return (char *)stream->entity;
}
#ifdef ENABLE_DEBUG
void reiser4_print_node(reiser4_node_t *node, uint32_t start,
uint32_t count, uint16_t options)
{
aal_stream_t stream;
aal_stream_init(&stream, NULL, &file_stream);
if (!node || !node->block || !node->plug ||
node->plug->p.id.type != NODE_PLUG_TYPE)
{
aal_stream_format(&stream, "Does not look "
"like a proper node pointer.\n");
} else {
objcall(node, print, &stream, start, count, options);
}
aal_stream_fini(&stream);
}
void reiser4_print_format(reiser4_format_t *format,uint16_t options) {
aal_stream_t stream;
aal_assert("vpf-175", format != NULL);
aal_stream_init(&stream, NULL, &file_stream);
reiser4call(format, print, &stream, options);
aal_stream_fini(&stream);
}
#endif
#endif
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