1 files changed, 171 insertions, 0 deletions
diff --git a/src/pulsecore/strlist.c b/src/pulsecore/strlist.c
new file mode 100644
index 0000000..7e5b070
--- /dev/null
+++ b/src/pulsecore/strlist.c
@@ -0,0 +1,171 @@
+/***
+  This file is part of PulseAudio.
+
+  Copyright 2004-2006 Lennart Poettering
+
+  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 2.1 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, see <http://www.gnu.org/licenses/>.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <string.h>
+
+#include <pulse/xmalloc.h>
+
+#include <pulsecore/strbuf.h>
+#include <pulsecore/macro.h>
+#include <pulsecore/core-util.h>
+
+#include "strlist.h"
+
+struct pa_strlist {
+    pa_strlist *next;
+};
+
+#define ITEM_TO_TEXT(c) ((char*) (c) + PA_ALIGN(sizeof(pa_strlist)))
+
+pa_strlist* pa_strlist_prepend(pa_strlist *l, const char *s) {
+    pa_strlist *n;
+    size_t size;
+
+    pa_assert(s);
+    size = strlen(s);
+    n = pa_xmalloc(PA_ALIGN(sizeof(pa_strlist)) + size + 1);
+    memcpy(ITEM_TO_TEXT(n), s, size + 1);
+    n->next = l;
+
+    return n;
+}
+
+char *pa_strlist_to_string(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, ITEM_TO_TEXT(l));
+    }
+
+    return pa_strbuf_to_string_free(b);
+}
+
+pa_strlist* pa_strlist_remove(pa_strlist *l, const char *s) {
+    pa_strlist *ret = l, *prev = NULL;
+
+    pa_assert(l);
+    pa_assert(s);
+
+    while (l) {
+        if (pa_streq(ITEM_TO_TEXT(l), s)) {
+            pa_strlist *n = l->next;
+
+            if (!prev) {
+                pa_assert(ret == l);
+                ret = n;
+            } else
+                prev->next = n;
+
+            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);
+    }
+}
+
+pa_strlist* pa_strlist_pop(pa_strlist *l, char **s) {
+    pa_strlist *r;
+
+    pa_assert(s);
+
+    if (!l) {
+        *s = NULL;
+        return NULL;
+    }
+
+    *s = pa_xstrdup(ITEM_TO_TEXT(l));
+    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;
+        size_t size = strlen(r);
+
+        n = pa_xmalloc(PA_ALIGN(sizeof(pa_strlist)) + size + 1);
+        n->next = NULL;
+        memcpy(ITEM_TO_TEXT(n), r, size+1);
+        pa_xfree(r);
+
+        if (p)
+            p->next = n;
+        else
+            head = n;
+
+        p = n;
+    }
+
+    return head;
+}
+
+pa_strlist *pa_strlist_reverse(pa_strlist *l) {
+    pa_strlist *r = NULL;
+
+    while (l) {
+        pa_strlist *n;
+
+        n = l->next;
+        l->next = r;
+        r = l;
+        l = n;
+    }
+
+    return r;
+}
+
+pa_strlist *pa_strlist_next(pa_strlist *s) {
+    pa_assert(s);
+
+    return s->next;
+}
+
+const char *pa_strlist_data(pa_strlist *s) {
+    pa_assert(s);
+
+    return ITEM_TO_TEXT(s);
+}