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Diffstat (limited to 'src/sllist.c')
-rw-r--r-- | src/sllist.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/sllist.c b/src/sllist.c new file mode 100644 index 000000000..1c11c973d --- /dev/null +++ b/src/sllist.c @@ -0,0 +1,71 @@ +/* the Music Player Daemon (MPD) + * (c)2003-2006 by Warren Dukes (warren.dukes@gmail.com) + * This project's homepage is: http://www.musicpd.org + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * You should have received a copy of the GNU 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 + */ + +/* a very simple singly-linked-list structure for queues/buffers */ + +#include "sllist.h" +#include "utils.h" + +static void init_strnode(struct strnode *x, char *s) +{ + x->data = s; + x->next = NULL; +} + +struct strnode *new_strnode(char *s) +{ + struct strnode *x = malloc(sizeof(struct strnode)); + init_strnode(x, s); + return x; +} + +struct strnode *new_strnode_dup(char *s, const size_t size) +{ + struct strnode *x = malloc(sizeof(struct strnode) + size); + x->next = NULL; + x->data = ((void *)x + sizeof(struct strnode)); + memcpy((void *)x->data, (void*)s, size); + return x; +} + +struct sllnode *new_sllnode(void *s, const size_t size) +{ + struct sllnode *x = malloc(sizeof(struct sllnode) + size); + x->next = NULL; + x->size = size; + x->data = ((void *)x + sizeof(struct sllnode)); + memcpy(x->data, (void *)s, size); + return x; +} + +struct strnode *dup_strlist(struct strnode *old) +{ + struct strnode *tmp, *new, *cur; + + tmp = old; + cur = new = new_strnode_dup(tmp->data, strlen(tmp->data) + 1); + tmp = tmp->next; + while (tmp) { + cur->next = new_strnode_dup(tmp->data, strlen(tmp->data) + 1); + cur = cur->next; + tmp = tmp->next; + } + return new; +} + + |