/*
* Copyright (c) 2011 Collabora Ltd.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
* * Redistributions in binary form must reproduce the
* above copyright notice, this list of conditions and
* the following disclaimer in the documentation and/or
* other materials provided with the distribution.
* * The names of contributors to this software may not be
* used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* Author: Stef Walter <stefw@collabora.co.uk>
*/
#ifndef __COMPAT_H__
#define __COMPAT_H__
#include "config.h"
#include <sys/types.h>
#include <sys/stat.h>
#if !defined(__cplusplus) && (__GNUC__ > 2)
#define GNUC_PRINTF(x, y) __attribute__((__format__(__printf__, x, y)))
#else
#define GNUC_PRINTF(x, y)
#endif
#if __GNUC__ >= 4
#define GNUC_NULL_TERMINATED __attribute__((__sentinel__))
#else
#define GNUC_NULL_TERMINATED
#endif
/* For detecting clang features */
#ifndef __has_feature
#define __has_feature(x) 0
#endif
#ifndef CLANG_ANALYZER_NORETURN
#if __has_feature(attribute_analyzer_noreturn)
#define CLANG_ANALYZER_NORETURN __attribute__((analyzer_noreturn))
#else
#define CLANG_ANALYZER_NORETURN
#endif
#endif
#ifndef O_BINARY
#define O_BINARY 0
#endif
#ifndef O_CLOEXEC
#define O_CLOEXEC 0
#endif
#ifndef HAVE_GETPROGNAME
const char * getprogname (void);
#endif
#ifndef HAVE_MKSTEMP
int mkstemp (char *template);
#endif /* HAVE_MKSTEMP */
#ifndef HAVE_MKDTEMP
char * mkdtemp (char *template);
#endif /* HAVE_MKDTEMP */
char * strdup_path_mangle (const char *template);
void p11_dl_close (void * dl);
/* -----------------------------------------------------------------------------
* WIN32
*/
#ifdef OS_WIN32
#ifndef _WIN32_WINNT
#define _WIN32_WINNT 0x500
#endif
#ifndef _WIN32_IE
#define _WIN32_IE 0x500
#endif
#define WIN32_LEAN_AND_MEAN 1
#include <windows.h>
#include <io.h>
/* Oh ... my ... god */
#undef CreateMutex
typedef CRITICAL_SECTION p11_mutex_t;
typedef HANDLE p11_thread_t;
typedef DWORD p11_thread_id_t;
#define P11_RECURSIVE_MUTEX_INIT(m) \
(InitializeCriticalSection (&m))
#define p11_mutex_init(m) \
(InitializeCriticalSection (m))
#define p11_mutex_lock(m) \
(EnterCriticalSection (m))
#define p11_mutex_unlock(m) \
(LeaveCriticalSection (m))
#define p11_mutex_uninit(m) \
(DeleteCriticalSection (m))
typedef void * (*p11_thread_routine) (void *arg);
int p11_thread_create (p11_thread_t *thread, p11_thread_routine, void *arg);
int p11_thread_join (p11_thread_t thread);
/* Returns a thread_id_t */
#define p11_thread_id_self() \
(GetCurrentThreadId ())
typedef HMODULE dl_module_t;
#define p11_dl_open(f) \
(LoadLibrary (f))
#define p11_dl_symbol(d, s) \
((void *)GetProcAddress ((d), (s)))
char * p11_dl_error (void);
#define p11_sleep_ms(ms) \
(Sleep (ms))
typedef struct _p11_mmap p11_mmap;
p11_mmap * p11_mmap_open (const char *path,
struct stat *sb,
void **data,
size_t *size);
void p11_mmap_close (p11_mmap *map);
#ifndef HAVE_SETENV
#define setenv(n, v, z) _putenv_s(n, v)
#endif /* HAVE_SETENV */
#endif /* OS_WIN32 */
/* ----------------------------------------------------------------------------
* UNIX
*/
#ifdef OS_UNIX
#include <pthread.h>
#include <dlfcn.h>
#include <time.h>
#include <unistd.h>
typedef pthread_mutex_t p11_mutex_t;
#ifdef PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP
/* No implementation, because done by static initializer */
#define P11_RECURSIVE_MUTEX_INIT(mutex)
#else
#define P11_RECURSIVE_MUTEX_INIT(mutex) \
(p11_recursive_mutex_init (&(mutex)))
void p11_recursive_mutex_init (p11_mutex_t *mutex);
#endif
#define p11_mutex_init(m) \
(pthread_mutex_init (m, NULL))
#define p11_mutex_lock(m) \
(pthread_mutex_lock (m))
#define p11_mutex_unlock(m) \
(pthread_mutex_unlock (m))
#define p11_mutex_uninit(m) \
(pthread_mutex_destroy(m))
typedef pthread_t p11_thread_t;
typedef pthread_t p11_thread_id_t;
typedef void * (*p11_thread_routine) (void *arg);
#define p11_thread_create(t, r, a) \
(pthread_create ((t), NULL, (r), (a)))
#define p11_thread_join(t) \
(pthread_join ((t), NULL))
#define p11_thread_id_self(m) \
(pthread_self ())
typedef void * dl_module_t;
#define p11_dl_open(f) \
(dlopen ((f), RTLD_LOCAL | RTLD_NOW))
#define p11_dl_symbol(d, s) \
(dlsym ((d), (s)))
char * p11_dl_error (void);
#define p11_sleep_ms(ms) \
do { int _ms = (ms); \
struct timespec _ts = { _ms / 1000, (_ms % 1000) * 1000 * 1000 }; \
nanosleep (&_ts, NULL); \
} while(0)
typedef struct _p11_mmap p11_mmap;
p11_mmap * p11_mmap_open (const char *path,
struct stat *sb,
void **data,
size_t *size);
void p11_mmap_close (p11_mmap *map);
#endif /* OS_UNIX */
/* ----------------------------------------------------------------------------
* MORE COMPAT
*/
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif /* HAVE_ERRNO_H */
#ifndef HAVE_STRNSTR
char * strnstr (const char *s,
const char *find,
size_t slen);
#endif /* HAVE_STRNSTR */
#ifndef HAVE_MEMDUP
void * memdup (const void *data,
size_t length);
#endif /* HAVE_MEMDUP */
#ifndef HAVE_STRNDUP
char * strndup (const char *data,
size_t length);
#endif /* HAVE_STRDUP */
#if defined HAVE_DECL_REALLOCARRAY && !HAVE_DECL_REALLOCARRAY
void * reallocarray (void *ptr,
size_t nmemb,
size_t size);
#endif /* HAVE_REALLOCARRAY */
#ifdef HAVE_STDBOOL_H
#include <stdbool.h>
#else
typedef enum { false, true } bool;
#endif
#ifndef HAVE_STRCONCAT
char * strconcat (const char *first,
...) GNUC_NULL_TERMINATED;
#endif /* HAVE_STRCONCAT */
#if defined HAVE_DECL_ASPRINTF && !HAVE_DECL_ASPRINTF
int asprintf (char **strp,
const char *fmt,
...);
#endif /* HAVE_ASPRINTF */
#if defined HAVE_DECL_VASPRINTF && !HAVE_DECL_VASPRINTF
#include <stdarg.h>
int vasprintf (char **strp,
const char *fmt,
va_list ap);
#endif /* HAVE_DECL_VASPRINTF */
#ifndef HAVE_GMTIME_R
#include <time.h>
struct tm * gmtime_r (const time_t *timep,
struct tm *result);
#endif /* HAVE_GMTIME_R */
#ifndef HAVE_TIMEGM
#include <time.h>
time_t timegm (struct tm *tm);
#endif /* HAVE_TIMEGM */
#ifdef HAVE_GETAUXVAL
#include <sys/auxv.h>
#else /* !HAVE_GETAUXVAL */
unsigned long getauxval (unsigned long type);
#define AT_SECURE 23
#endif /* !HAVE_GETAUXVAL */
char * secure_getenv (const char *name);
#ifndef HAVE_STRERROR_R
int strerror_r (int errnum,
char *buf,
size_t buflen);
#endif /* HAVE_STRERROR_R */
#ifndef HAVE_FDWALK
int fdwalk (int (* cb) (void *data, int fd),
void *data);
#endif
/* If either locale_t or newlocale() is not available, strerror_l()
* cannot be used */
#if !defined(HAVE_LOCALE_T) || !defined(HAVE_NEWLOCALE)
#undef HAVE_STRERROR_L
#endif
int p11_ascii_tolower (int c);
int p11_ascii_toupper (int c);
#endif /* __COMPAT_H__ */