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-rw-r--r--src/pulsecore/strlist.c139
1 files changed, 139 insertions, 0 deletions
diff --git a/src/pulsecore/strlist.c b/src/pulsecore/strlist.c
new file mode 100644
index 00000000..df3a0275
--- /dev/null
+++ b/src/pulsecore/strlist.c
@@ -0,0 +1,139 @@
+/* $Id$ */
+
+/***
+ This file is part of PulseAudio.
+
+ PulseAudio is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published
+ by the Free Software Foundation; either version 2 of the License,
+ or (at your option) any later version.
+
+ PulseAudio 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 Lesser General Public License
+ along with PulseAudio; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ USA.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <string.h>
+#include <assert.h>
+
+#include <pulse/xmalloc.h>
+
+#include <pulsecore/strbuf.h>
+#include <pulsecore/core-util.h>
+
+#include "strlist.h"
+
+struct pa_strlist {
+ pa_strlist *next;
+ char *str;
+};
+
+pa_strlist* pa_strlist_prepend(pa_strlist *l, const char *s) {
+ pa_strlist *n;
+ assert(s);
+ n = pa_xmalloc(sizeof(pa_strlist));
+ n->str = pa_xstrdup(s);
+ n->next = l;
+ return n;
+}
+
+char *pa_strlist_tostring(pa_strlist *l) {
+ int first = 1;
+ pa_strbuf *b;
+
+ b = pa_strbuf_new();
+ for (; l; l = l->next) {
+ if (!first)
+ pa_strbuf_puts(b, " ");
+ first = 0;
+ pa_strbuf_puts(b, l->str);
+ }
+
+ return pa_strbuf_tostring_free(b);
+}
+
+pa_strlist* pa_strlist_remove(pa_strlist *l, const char *s) {
+ pa_strlist *ret = l, *prev = NULL;
+ assert(l && s);
+
+ while (l) {
+ if (!strcmp(l->str, s)) {
+ pa_strlist *n = l->next;
+
+ if (!prev) {
+ assert(ret == l);
+ ret = n;
+ } else
+ prev->next = n;
+
+ pa_xfree(l->str);
+ pa_xfree(l);
+
+ l = n;
+
+ } else {
+ prev = l;
+ l = l->next;
+ }
+ }
+
+ return ret;
+}
+
+void pa_strlist_free(pa_strlist *l) {
+ while (l) {
+ pa_strlist *c = l;
+ l = l->next;
+
+ pa_xfree(c->str);
+ pa_xfree(c);
+ }
+}
+
+pa_strlist* pa_strlist_pop(pa_strlist *l, char **s) {
+ pa_strlist *r;
+ assert(s);
+
+ if (!l) {
+ *s = NULL;
+ return NULL;
+ }
+
+ *s = l->str;
+ r = l->next;
+ pa_xfree(l);
+ return r;
+}
+
+pa_strlist* pa_strlist_parse(const char *s) {
+ pa_strlist *head = NULL, *p = NULL;
+ const char *state = NULL;
+ char *r;
+
+ while ((r = pa_split_spaces(s, &state))) {
+ pa_strlist *n;
+
+ n = pa_xmalloc(sizeof(pa_strlist));
+ n->str = r;
+ n->next = NULL;
+
+ if (p)
+ p->next = n;
+ else
+ head = n;
+
+ p = n;
+ }
+
+ return head;
+}