initial commit, 4.5 stable

thirdparty/linuxbsd_headers/pulse/xmalloc.h

@@ -0,0 +1,105 @@
+#ifndef foomemoryhfoo
+#define foomemoryhfoo
+
+/***
+  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/>.
+***/
+
+#include <sys/types.h>
+#include <stdlib.h>
+#include <limits.h>
+#include <assert.h>
+
+#include <pulse/cdecl.h>
+#include <pulse/gccmacro.h>
+#include <pulse/version.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) PA_GCC_MALLOC PA_GCC_ALLOC_SIZE(1);
+
+/** Same as pa_xmalloc(), but initialize allocated memory to 0 */
+void *pa_xmalloc0(size_t l) PA_GCC_MALLOC PA_GCC_ALLOC_SIZE(1);
+
+/**  The combination of pa_xmalloc() and realloc() */
+void *pa_xrealloc(void *ptr, size_t size) PA_GCC_ALLOC_SIZE(2);
+
+/** Free allocated memory */
+void pa_xfree(void *p);
+
+/** Duplicate the specified string, allocating memory with pa_xmalloc() */
+char *pa_xstrdup(const char *s) PA_GCC_MALLOC;
+
+/** Duplicate the specified string, but truncate after l characters */
+char *pa_xstrndup(const char *s, size_t l) PA_GCC_MALLOC;
+
+/** Duplicate the specified memory block */
+void* pa_xmemdup(const void *p, size_t l) PA_GCC_MALLOC PA_GCC_ALLOC_SIZE(2);
+
+/** Internal helper for pa_xnew() */
+static void* _pa_xnew_internal(size_t n, size_t k) PA_GCC_MALLOC PA_GCC_ALLOC_SIZE2(1,2);
+
+static inline void* _pa_xnew_internal(size_t 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 void* _pa_xnew0_internal(size_t n, size_t k) PA_GCC_MALLOC PA_GCC_ALLOC_SIZE2(1,2);
+
+static inline void* _pa_xnew0_internal(size_t 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 void* _pa_xnewdup_internal(const void *p, size_t n, size_t k) PA_GCC_MALLOC PA_GCC_ALLOC_SIZE2(2,3);
+
+static inline void* _pa_xnewdup_internal(const void *p, size_t n, size_t k) {
+    assert(n < INT_MAX/k);
+    return pa_xmemdup(p, n*k);
+}
+
+/** Same as pa_xnew() but duplicate the specified data */
+#define pa_xnewdup(type, p, n) ((type*) _pa_xnewdup_internal((p), (n), sizeof(type)))
+
+/** Internal helper for pa_xrenew() */
+static void* _pa_xrenew_internal(void *p, size_t n, size_t k) PA_GCC_MALLOC PA_GCC_ALLOC_SIZE2(2,3);
+
+static inline void* _pa_xrenew_internal(void *p, size_t n, size_t k) {
+    assert(n < INT_MAX/k);
+    return pa_xrealloc(p, n*k);
+}
+
+/** Reallocate n new structures of the specified type. */
+#define pa_xrenew(type, p, n) ((type*) _pa_xrenew_internal(p, (n), sizeof(type)))
+
+PA_C_DECL_END
+
+#endif