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Diffstat (limited to 'src/pulsecore/macro.h')
-rw-r--r-- | src/pulsecore/macro.h | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/src/pulsecore/macro.h b/src/pulsecore/macro.h new file mode 100644 index 00000000..c6bba437 --- /dev/null +++ b/src/pulsecore/macro.h @@ -0,0 +1,149 @@ +#ifndef foopulsemacrohfoo +#define foopulsemacrohfoo + +/* $Id$ */ + +/*** + 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 <unistd.h> +#include <assert.h> +#include <limits.h> +#include <unistd.h> + +#include <pulsecore/log.h> + +#ifndef PACKAGE +#error "Please include config.h before including this file!" +#endif + +#if defined(PAGE_SIZE) +#define PA_PAGE_SIZE ((size_t) PAGE_SIZE) +#elif defined(PAGESIZE) +#define PA_PAGE_SIZE ((size_t) PAGESIZE) +#elif defined(HAVE_SYSCONF) +#define PA_PAGE_SIZE ((size_t) (sysconf(_SC_PAGE_SIZE))) +#else +/* Let's hope it's like x86. */ +#define PA_PAGE_SIZE ((size_t) 4096) +#endif + +static inline size_t pa_align(size_t l) { + return (((l + sizeof(void*) - 1) / sizeof(void*)) * sizeof(void*)); +} +#define PA_ALIGN(x) (pa_align(x)) + +static inline void* pa_page_align_ptr(const void *p) { + return (void*) (((size_t) p) & ~(PA_PAGE_SIZE-1)); +} +#define PA_PAGE_ALIGN_PTR(x) (pa_page_align_ptr(x)) + +static inline size_t pa_page_align(size_t l) { + return l & ~(PA_PAGE_SIZE-1); +} +#define PA_PAGE_ALIGN(x) (pa_page_align(x)) + +#define PA_ELEMENTSOF(x) (sizeof(x)/sizeof((x)[0])) + +#ifndef MAX +#define MAX(a, b) ((a) > (b) ? (a) : (b)) +#endif + +#ifndef MIN +#define MIN(a, b) ((a) < (b) ? (a) : (b)) +#endif + +#ifndef CLAMP +#define CLAMP(x, low, high) (((x) > (high)) ? (high) : (((x) < (low)) ? (low) : (x))) +#endif + +/* This type is not intended to be used in exported APIs! Use classic "int" there! */ +#ifdef HAVE_STD_BOOL +typedef _Bool pa_bool_t; +#else +typedef int pa_bool_t; +#endif + +#ifndef FALSE +#define FALSE ((pa_bool_t) 0) +#endif + +#ifndef TRUE +#define TRUE (!FALSE) +#endif + +#ifdef __GNUC__ +#define PA_PRETTY_FUNCTION __PRETTY_FUNCTION__ +#else +#define PA_PRETTY_FUNCTION "" +#endif + +#define pa_return_if_fail(expr) \ + do { \ + if (!(expr)) { \ + pa_log_debug("%s: Assertion <%s> failed.\n", PA_PRETTY_FUNCTION, #expr ); \ + return; \ + } \ + } while(0) + +#define pa_return_val_if_fail(expr, val) \ + do { \ + if (!(expr)) { \ + pa_log_debug("%s: Assertion <%s> failed.\n", PA_PRETTY_FUNCTION, #expr ); \ + return (val); \ + } \ + } while(0) + +#define pa_return_null_if_fail(expr) pa_return_val_if_fail(expr, NULL) + +#define pa_assert assert + +#define pa_assert_not_reached() pa_assert(!"Should not be reached.") + +/* An assert which guarantees side effects of x */ +#ifdef NDEBUG +#define pa_assert_se(x) x +#else +#define pa_assert_se(x) pa_assert(x) +#endif + +#define PA_PTR_TO_UINT(p) ((unsigned int) (unsigned long) (p)) +#define PA_UINT_TO_PTR(u) ((void*) (unsigned long) (u)) + +#define PA_PTR_TO_UINT32(p) ((uint32_t) PA_PTR_TO_UINT(p)) +#define PA_UINT32_TO_PTR(u) PA_UINT_TO_PTR((uint32_t) u) + +#define PA_PTR_TO_INT(p) ((int) PA_PTR_TO_UINT(p)) +#define PA_INT_TO_PTR(u) PA_UINT_TO_PTR((int) u) + +#define PA_PTR_TO_INT32(p) ((int32_t) PA_PTR_TO_UINT(p)) +#define PA_INT32_TO_PTR(u) PA_UINT_TO_PTR((int32_t) u) + +#ifdef OS_IS_WIN32 +#define PA_PATH_SEP "\\" +#define PA_PATH_SEP_CHAR '\\' +#else +#define PA_PATH_SEP "/" +#define PA_PATH_SEP_CHAR '/' +#endif + +#endif |