index : libcamera/vivid.git	pobrn/rebase vivid
	libcamera pipeline handler for VIVID	git repository hosting on libcamera.org

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path: root/src/ipa/ipa-sign-install.sh

Age	Commit message (Expand)	Author
2020-05-13	ipa: Only sign IPA modules that are being installed	Laurent Pinchart
2020-04-29	libcamera: Regenerate IPA module signatures at install time	Laurent Pinchart

generated by cgit v1.2.1 (git 2.18.0) at 2024-12-22 12:57:07 +0000

/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
 * Copyright (C) 2019, Google Inc.
 *
 * v4l2_compat.cpp - V4L2 compatibility layer
 */

#include "v4l2_compat_manager.h"

#include <errno.h>
#include <fcntl.h>
#include <stdarg.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/types.h>

#include <libcamera/base/utils.h>

#define LIBCAMERA_PUBLIC __attribute__((visibility("default")))

using namespace libcamera;

#define extract_va_arg(type, arg, last)	\
{					\
	va_list ap;			\
	va_start(ap, last);		\
	arg = va_arg(ap, type);		\
	va_end(ap);			\
}

extern "C" {

LIBCAMERA_PUBLIC int open(const char *path, int oflag, ...)
{
	mode_t mode = 0;
	if (oflag & O_CREAT || oflag & O_TMPFILE)
		extract_va_arg(mode_t, mode, oflag);

	return V4L2CompatManager::instance()->openat(AT_FDCWD, path,
						     oflag, mode);
}

/* _FORTIFY_SOURCE redirects open to __open_2 */
LIBCAMERA_PUBLIC int __open_2(const char *path, int oflag)
{
	return open(path, oflag);
}

#ifndef open64
LIBCAMERA_PUBLIC int open64(const char *path, int oflag, ...)
{
	mode_t mode = 0;
	if (oflag & O_CREAT || oflag & O_TMPFILE)
		extract_va_arg(mode_t, mode, oflag);

	return V4L2CompatManager::instance()->openat(AT_FDCWD, path,
						     oflag | O_LARGEFILE, mode);
}

LIBCAMERA_PUBLIC int __open64_2(const char *path, int oflag)
{
	return open(path, oflag);
}
#endif

LIBCAMERA_PUBLIC int openat(int dirfd, const char *path, int oflag, ...)
{
	mode_t mode = 0;
	if (oflag & O_CREAT || oflag & O_TMPFILE)
		extract_va_arg(mode_t, mode, oflag);

	return V4L2CompatManager::instance()->openat(dirfd, path, oflag, mode);
}

LIBCAMERA_PUBLIC int __openat_2(int dirfd, const char *path, int oflag)
{
	return openat(dirfd, path, oflag);
}

#ifndef openat64
LIBCAMERA_PUBLIC int openat64(int dirfd, const char *path, int oflag, ...)
{
	mode_t mode = 0;
	if (oflag & O_CREAT || oflag & O_TMPFILE)
		extract_va_arg(mode_t, mode, oflag);

	return V4L2CompatManager::instance()->openat(dirfd, path,
						     oflag | O_LARGEFILE, mode);
}

LIBCAMERA_PUBLIC int __openat64_2(int dirfd, const char *path, int oflag)
{
	return openat(dirfd, path, oflag);
}
#endif

LIBCAMERA_PUBLIC int dup(int oldfd)
{
	return V4L2CompatManager::instance()->dup(oldfd);
}

LIBCAMERA_PUBLIC int close(int fd)
{
	return V4L2CompatManager::instance()->close(fd);
}

LIBCAMERA_PUBLIC void *mmap(void *addr, size_t length, int prot, int flags,
			    int fd, off_t offset)
{
	return V4L2CompatManager::instance()->mmap(addr, length, prot, flags,
						   fd, offset);
}

#ifndef mmap64
LIBCAMERA_PUBLIC void *mmap64(void *addr, size_t length, int prot, int flags,
			      int fd, off64_t offset)
{
	return V4L2CompatManager::instance()->mmap(addr, length, prot, flags,
						   fd, offset);
}
#endif

LIBCAMERA_PUBLIC int munmap(void *addr, size_t length)
{
	return V4L2CompatManager::instance()->munmap(addr, length);
}

LIBCAMERA_PUBLIC int ioctl(int fd, unsigned long request, ...)
{
	void *arg;
	extract_va_arg(void *, arg, request);

	return V4L2CompatManager::instance()->ioctl(fd, request, arg);
}

}