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/*
* Copyright (C) 2003-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004-2005 Red Hat, Inc. All rights reserved.
*
* This file is part of LVM2.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License v.2.1.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "lib.h"
#include "metadata.h"
#include "import-export.h"
#include "str_list.h"
#include "lvm-string.h"
char *alloc_printed_tags(struct dm_list *tags)
{
struct str_list *sl;
int first = 1;
size_t size = 0;
char *buffer, *buf;
dm_list_iterate_items(sl, tags)
/* '"' + tag + '"' + ',' + ' ' */
size += strlen(sl->str) + 4;
/* '[' + ']' + '\0' */
size += 3;
if (!(buffer = buf = dm_malloc(size))) {
log_error("Could not allocate memory for tag list buffer.");
return NULL;
}
if (!emit_to_buffer(&buf, &size, "["))
goto_bad;
dm_list_iterate_items(sl, tags) {
if (!first) {
if (!emit_to_buffer(&buf, &size, ", "))
goto_bad;
} else
first = 0;
if (!emit_to_buffer(&buf, &size, "\"%s\"", sl->str))
goto_bad;
}
if (!emit_to_buffer(&buf, &size, "]"))
goto_bad;
return buffer;
bad:
dm_free(buffer);
return_NULL;
}
int read_tags(struct dm_pool *mem, struct dm_list *tags, const struct dm_config_value *cv)
{
if (cv->type == DM_CFG_EMPTY_ARRAY)
return 1;
while (cv) {
if (cv->type != DM_CFG_STRING) {
log_error("Found a tag that is not a string");
return 0;
}
if (!str_list_add(mem, tags, dm_pool_strdup(mem, cv->v.str)))
return_0;
cv = cv->next;
}
return 1;
}
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