/***
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 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
#include <stdlib.h>
#include <string.h>
-#include <assert.h>
#include <string.h>
#include <stdio.h>
#include <pulsecore/sink.h>
#include <pulsecore/core-subscribe.h>
#include <pulsecore/core-util.h>
+#include <pulsecore/macro.h>
#include "namereg.h"
void *data;
};
+static int is_valid_char(char c) {
+ return
+ (c >= 'a' && c <= 'z') ||
+ (c >= 'A' && c <= 'Z') ||
+ (c >= '0' && c <= '9') ||
+ c == '.' ||
+ c == '_';
+}
+
+static int is_valid_name(const char *name) {
+ const char *c;
+
+ if (*name == 0)
+ return 0;
+
+ for (c = name; *c && (c-name < PA_NAME_MAX); c++)
+ if (!is_valid_char(*c))
+ return 0;
+
+ if (*c)
+ return 0;
+
+ return 1;
+}
+
+static char* cleanup_name(const char *name) {
+ const char *a;
+ char *b, *n;
+
+ if (*name == 0)
+ return NULL;
+
+ n = pa_xnew(char, strlen(name)+1);
+
+ for (a = name, b = n; *a && (a-name < PA_NAME_MAX); a++, b++)
+ *b = is_valid_char(*a) ? *a : '_';
+
+ *b = 0;
+
+ return n;
+}
+
void pa_namereg_free(pa_core *c) {
- assert(c);
+ pa_assert(c);
+
if (!c->namereg)
return;
- assert(pa_hashmap_size(c->namereg) == 0);
+
+ pa_assert(pa_hashmap_size(c->namereg) == 0);
pa_hashmap_free(c->namereg, NULL, NULL);
}
const char *pa_namereg_register(pa_core *c, const char *name, pa_namereg_type_t type, void *data, int fail) {
struct namereg_entry *e;
char *n = NULL;
- int r;
-
- assert(c && name && data);
- if (!c->namereg) {
- c->namereg = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
- assert(c->namereg);
+ pa_assert(c);
+ pa_assert(name);
+ pa_assert(data);
+
+ if (!*name)
+ return NULL;
+
+ if ((type == PA_NAMEREG_SINK || type == PA_NAMEREG_SOURCE) &&
+ !is_valid_name(name) ) {
+
+ if (fail)
+ return NULL;
+
+ if (!(name = n = cleanup_name(name)))
+ return NULL;
}
- if ((e = pa_hashmap_get(c->namereg, name)) && fail)
+ if (!c->namereg)
+ c->namereg = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
+
+ if ((e = pa_hashmap_get(c->namereg, name)) && fail) {
+ pa_xfree(n);
return NULL;
+ }
- if (!e)
- n = pa_xstrdup(name);
- else {
+ if (e) {
unsigned i;
size_t l = strlen(name);
- n = pa_xmalloc(l+3);
-
- for (i = 1; i <= 99; i++) {
- snprintf(n, l+2, "%s%u", name, i);
+ char *k;
+
+ if (l+4 > PA_NAME_MAX) {
+ pa_xfree(n);
+ return NULL;
+ }
+
+ k = pa_xnew(char, l+4);
+
+ for (i = 2; i <= 99; i++) {
+ pa_snprintf(k, l+4, "%s.%u", name, i);
- if (!(e = pa_hashmap_get(c->namereg, n)))
+ if (!(e = pa_hashmap_get(c->namereg, k)))
break;
}
if (e) {
pa_xfree(n);
+ pa_xfree(k);
return NULL;
}
+
+ pa_xfree(n);
+ n = k;
}
-
- assert(n);
- e = pa_xmalloc(sizeof(struct namereg_entry));
+
+ e = pa_xnew(struct namereg_entry, 1);
e->type = type;
- e->name = n;
+ e->name = n ? n : pa_xstrdup(name);
e->data = data;
- r = pa_hashmap_put(c->namereg, e->name, e);
- assert (r >= 0);
+ pa_assert_se(pa_hashmap_put(c->namereg, e->name, e) >= 0);
return e->name;
-
}
void pa_namereg_unregister(pa_core *c, const char *name) {
struct namereg_entry *e;
- assert(c && name);
- e = pa_hashmap_remove(c->namereg, name);
- assert(e);
+ pa_assert(c);
+ pa_assert(name);
+
+ pa_assert_se(e = pa_hashmap_remove(c->namereg, name));
pa_xfree(e->name);
pa_xfree(e);
void* pa_namereg_get(pa_core *c, const char *name, pa_namereg_type_t type, int autoload) {
struct namereg_entry *e;
uint32_t idx;
- assert(c);
-
+ pa_assert(c);
+
if (!name) {
+
if (type == PA_NAMEREG_SOURCE)
name = pa_namereg_get_default_source_name(c);
else if (type == PA_NAMEREG_SINK)
name = pa_namereg_get_default_sink_name(c);
- }
+
+ } else if (strcmp(name, "@DEFAULT_SINK@") == 0) {
+ if (type == PA_NAMEREG_SINK)
+ name = pa_namereg_get_default_sink_name(c);
+
+ } else if (strcmp(name, "@DEFAULT_SOURCE@") == 0) {
+ if (type == PA_NAMEREG_SOURCE)
+ name = pa_namereg_get_default_source_name(c);
+
+ } else if (strcmp(name, "@DEFAULT_MONITOR@") == 0) {
+ if (type == PA_NAMEREG_SOURCE) {
+ pa_sink *k;
+
+ if ((k = pa_namereg_get(c, NULL, PA_NAMEREG_SINK, autoload)))
+ return k->monitor_source;
+ }
+ } else if (*name == '@')
+ name = NULL;
if (!name)
return NULL;
-
+
if (c->namereg && (e = pa_hashmap_get(c->namereg, name)))
if (e->type == type)
return e->data;
if (autoload) {
pa_autoload_request(c, name, type);
-
+
if (c->namereg && (e = pa_hashmap_get(c->namereg, name)))
if (e->type == type)
return e->data;
}
-
+
return NULL;
}
return NULL;
}
-void pa_namereg_set_default(pa_core*c, const char *name, pa_namereg_type_t type) {
+int pa_namereg_set_default(pa_core*c, const char *name, pa_namereg_type_t type) {
char **s;
- assert(c && (type == PA_NAMEREG_SINK || type == PA_NAMEREG_SOURCE));
+
+ pa_assert(c);
+ pa_assert(type == PA_NAMEREG_SINK || type == PA_NAMEREG_SOURCE);
s = type == PA_NAMEREG_SINK ? &c->default_sink_name : &c->default_source_name;
- assert(s);
if (!name && !*s)
- return;
-
+ return 0;
+
if (name && *s && !strcmp(name, *s))
- return;
-
+ return 0;
+
+ if (!is_valid_name(name))
+ return -1;
+
pa_xfree(*s);
*s = pa_xstrdup(name);
pa_subscription_post(c, PA_SUBSCRIPTION_EVENT_SERVER|PA_SUBSCRIPTION_EVENT_CHANGE, PA_INVALID_INDEX);
+
+ return 0;
}
const char *pa_namereg_get_default_sink_name(pa_core *c) {
pa_sink *s;
- assert(c);
+
+ pa_assert(c);
if (c->default_sink_name)
return c->default_sink_name;
-
+
if ((s = pa_idxset_first(c->sinks, NULL)))
pa_namereg_set_default(c, s->name, PA_NAMEREG_SINK);
- if (c->default_sink_name)
- return c->default_sink_name;
-
- return NULL;
+ return c->default_sink_name;
}
const char *pa_namereg_get_default_source_name(pa_core *c) {
pa_source *s;
uint32_t idx;
-
- assert(c);
+
+ pa_assert(c);
if (c->default_source_name)
return c->default_source_name;
if ((s = pa_idxset_first(c->sources, NULL)))
pa_namereg_set_default(c, s->name, PA_NAMEREG_SOURCE);
- if (c->default_source_name)
- return c->default_source_name;
-
- return NULL;
+ return c->default_source_name;
}