really create glitch-free branch

git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/glitch-free@2120 fefdeb5f-60dc-0310-8127-8f9354f1896f

1 files changed, 89 insertions, 0 deletions

diff --git a/src/pulse/xmalloc.h b/src/pulse/xmalloc.h
new file mode 100644
index 00000000..62a450dc
--- /dev/null
+++ b/src/pulse/xmalloc.h
@@ -0,0 +1,89 @@
+#ifndef foomemoryhfoo
+#define foomemoryhfoo
+
+/* $Id$ */
+
+/***
+  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
+  USA.
+***/
+
+#include <sys/types.h>
+#include <stdlib.h>
+#include <limits.h>
+#include <assert.h>
+#include <pulse/cdecl.h>
+
+/** \file
+ * Memory allocation functions.
+ */
+
+PA_C_DECL_BEGIN
+
+/** Allocate the specified number of bytes, just like malloc() does. However, in case of OOM, terminate */
+void* pa_xmalloc(size_t l);
+
+/** Same as pa_xmalloc(), but initialize allocated memory to 0 */
+void *pa_xmalloc0(size_t l);
+
+/**  The combination of pa_xmalloc() and realloc() */
+void *pa_xrealloc(void *ptr, size_t size);
+
+/** Free allocated memory */
+void pa_xfree(void *p);
+
+/** Duplicate the specified string, allocating memory with pa_xmalloc() */
+char *pa_xstrdup(const char *s);
+
+/** Duplicate the specified string, but truncate after l characters */
+char *pa_xstrndup(const char *s, size_t l);
+
+/** Duplicate the specified memory block */
+void* pa_xmemdup(const void *p, size_t l);
+
+/** Internal helper for pa_xnew() */
+static inline void* pa_xnew_internal(unsigned n, size_t k) {
+    assert(n < INT_MAX/k);
+    return pa_xmalloc(n*k);
+}
+
+/** Allocate n new structures of the specified type. */
+#define pa_xnew(type, n) ((type*) pa_xnew_internal((n), sizeof(type)))
+
+/** Internal helper for pa_xnew0() */
+static inline void* pa_xnew0_internal(unsigned n, size_t k) {
+    assert(n < INT_MAX/k);
+    return pa_xmalloc0(n*k);
+}
+
+/** Same as pa_xnew() but set the memory to zero */
+#define pa_xnew0(type, n) ((type*) pa_xnew0_internal((n), sizeof(type)))
+
+/** Internal helper for pa_xnew0() */
+static inline void* pa_xnewdup_internal(const void *p, unsigned n, size_t k) {
+    assert(n < INT_MAX/k);
+    return pa_xmemdup(p, n*k);
+}
+
+/** Same as pa_xnew() but set the memory to zero */
+#define pa_xnewdup(type, p, n) ((type*) pa_xnewdup_internal((p), (n), sizeof(type)))
+
+PA_C_DECL_END
+
+#endif