file.c File Reference

#include <ubixos/sched.h>
#include <vfs/vfs.h>
#include <ubixos/vitals.h>
#include <ubixos/kpanic.h>
#include <ubixos/spinlock.h>
#include <lib/kmalloc.h>
#include <string.h>
#include <vmm/paging.h>
#include <lib/kprintf.h>
#include <assert.h>
#include <sys/descrip.h>
#include "../fat/fat_filelib.h"

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Functions
int	fclose (fileDescriptor_t *fd)
int	feof (fileDescriptor_t *fd)
int	fgetc (fileDescriptor_t *fd)
fileDescriptor_t *	fopen (const char *file, const char *flags)
int	fputc (int ch, fileDescriptor_t *fd)
size_t	fread (void *ptr, size_t size, size_t nmemb, fileDescriptor_t *fd)
int	fseek (fileDescriptor_t *tmpFd, long offset, int whence)
size_t	fwrite (void *ptr, int size, int nmemb, fileDescriptor_t *fd)
int	sys_chdir (struct thread *td, struct sys_chdir_args *args)
int	sys_fchdir (struct thread *td, struct sys_fchdir_args *args)
int	sys_fclose (struct thread *td, struct sys_fclose_args *args)
int	sys_fgetc (struct thread *td, struct sys_fgetc_args *args)
int	sys_fopen (struct thread *td, struct sys_fopen_args *args)
int	sys_fread (struct thread *td, struct sys_fread_args *args)
int	sys_fseek (struct thread *td, struct sys_fseek_args *args)
int	sys_fwrite (struct thread *td, struct sys_fwrite_args *uap)
int	sys_lseek (struct thread *td, struct sys_lseek_args *args)
int	sys_rename (struct thread *td, struct sys_rename_args *args)
void	sysFwrite (char *ptr, int size, userFileDescriptor *userFd)
void	sysMkDir (const char *path)
void	sysRmDir ()
int	sysUnlink (const char *path, int *retVal)
int	unlink (const char *node)

Variables
fileDescriptor_t *	fdTable = 0x0
fileDescriptor_t *	vfs_fileTable = 0x0

Function Documentation

fclose()

int fclose

(

fileDescriptor_t *

fd

)

Definition at line 533 of file file.c.

References file::fd, and spinLock().

Referenced by _sys_stat(), dup2(), elf_load_file(), execFile(), fcntl(), kmod_load(), ldEnable(), sys_close(), sys_fclose(), sys_fstatat(), sysExec(), sysMkDir(), and systemTask().

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feof()

int feof

(

fileDescriptor_t *

fd

)

Definition at line 343 of file file.c.

References file::fd, fdEof, and fileDescriptor::status.

fgetc()

int fgetc

(

fileDescriptor_t *

fd

)

Definition at line 372 of file file.c.

References file::fd, vfs_mountPoint::fs, kprintf(), fileDescriptor::mp, fileDescriptor::offset, and fileSystem::vfsRead.

Referenced by sys_fgetc().

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fopen()

fileDescriptor_t* fopen	(	const char *	file,
		const char *	flags
	)

Definition at line 395 of file file.c.

References _current, fileDescriptor::buffer, osInfo::cwd, file, fileAppend, fileBinary, fileDescriptor::fileName, fileRead, fileWrite, vfs_mountPoint::fs, kfree(), kmalloc(), kprintf(), memset(), fileDescriptor::mode, fileDescriptor::mp, NULL, taskStruct::oInfo, spinUnlock(), sprintf(), strcpy(), strstr(), strtok(), vfs_findMount(), and fileSystem::vfsOpenFile.

Referenced by _sys_stat(), elf_load_file(), execFile(), kern_openat(), kmod_load(), ldEnable(), sys_fopen(), sys_fstatat(), sys_openat(), sys_statfs(), sysExec(), sysMkDir(), and tcpdump_init().

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fputc()

int fputc	(	int	ch,
		fileDescriptor_t *	fd
	)

Definition at line 356 of file file.c.

References file::fd, vfs_mountPoint::fs, fileDescriptor::mp, fileDescriptor::offset, and fileSystem::vfsWrite.

fread()

size_t fread	(	void *	ptr,
		size_t	size,
		size_t	nmemb,
		fileDescriptor_t *	fd
	)

Definition at line 297 of file file.c.

References assert, file::fd, vfs_mountPoint::fs, fileDescriptor::mp, fileDescriptor::offset, and fileSystem::vfsRead.

Referenced by elf_load_file(), execFile(), kmod_load(), ldEnable(), read(), sys_fread(), sys_getdirentries(), sys_mmap(), sys_pread(), sys_read(), and sysExec().

fseek()

int fseek	(	fileDescriptor_t *	tmpFd,
		long	offset,
		int	whence
	)

Definition at line 332 of file file.c.

Referenced by elf_load_file(), execFile(), kmod_load(), ldEnable(), sys_mmap(), and sysExec().

fwrite()

size_t fwrite	(	void *	ptr,
		int	size,
		int	nmemb,
		fileDescriptor_t *	fd
	)

Definition at line 317 of file file.c.

Referenced by sys_fwrite(), sys_write(), and sysFwrite().

sys_chdir()

int sys_chdir	(	struct thread *	td,
		struct sys_chdir_args *	args
	)

Definition at line 192 of file file.c.

References _current, osInfo::cwd, taskStruct::oInfo, sys_chdir_args::path, sprintf(), strstr(), and thread::td_retval.

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sys_fchdir()

int sys_fchdir	(	struct thread *	td,
		struct sys_fchdir_args *	args
	)

Definition at line 203 of file file.c.

References _current, osInfo::cwd, file::fd, sys_fchdir_args::fd, fileDescriptor::fileName, getfd(), taskStruct::oInfo, sprintf(), and strstr().

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sys_fclose()

int sys_fclose	(	struct thread *	td,
		struct sys_fclose_args *	args
	)

Definition at line 283 of file file.c.

References fclose(), userFileDescriptorStruct::fd, sys_fclose_args::FILE, and NULL.

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sys_fgetc()

int sys_fgetc	(	struct thread *	td,
		struct sys_fgetc_args *	args
	)

Definition at line 81 of file file.c.

References _current, userFileDescriptorStruct::fd, fgetc(), sys_fgetc_args::FILE, getchar(), sched_yield(), thread::td_retval, taskStruct::term, and tty_foreground.

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sys_fopen()

int sys_fopen	(	struct thread *	td,
		struct sys_fopen_args *	args
	)

Definition at line 243 of file file.c.

References userFileDescriptorStruct::fd, userFileDescriptorStruct::fdSize, sys_fopen_args::FILE, fopen(), kprintf(), sys_fopen_args::mode, NULL, sys_fopen_args::path, and fileDescriptor::size.

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sys_fread()

int sys_fread	(	struct thread *	td,
		struct sys_fread_args *	args
	)

Definition at line 264 of file file.c.

References userFileDescriptorStruct::fd, sys_fread_args::FILE, fread(), sys_fread_args::nmemb, NULL, sys_fread_args::ptr, sys_fread_args::size, and thread::td_retval.

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sys_fseek()

int sys_fseek	(	struct thread *	td,
		struct sys_fseek_args *	args
	)

Definition at line 124 of file file.c.

References userFileDescriptorStruct::fd, sys_fseek_args::FILE, kprintf(), NULL, fileDescriptor::offset, sys_fseek_args::offset, thread::td_retval, and sys_fseek_args::whence.

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sys_fwrite()

int sys_fwrite	(	struct thread *	td,
		struct sys_fwrite_args *	uap
	)

Definition at line 49 of file file.c.

References _current, sys_fwrite_args::buf, userFileDescriptorStruct::fd, sys_fwrite_args::fd, fwrite(), kprintf(), sys_fwrite_args::nbytes, thread::td_retval, taskStruct::term, and tty_print().

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sys_lseek()

int sys_lseek	(	struct thread *	td,
		struct sys_lseek_args *	args
	)

Definition at line 154 of file file.c.

References file::fd, sys_lseek_args::fd, getfd(), kprintf(), fileDescriptor::offset, sys_lseek_args::offset, SEEK_CUR, SEEK_SET, thread::td_retval, and sys_lseek_args::whence.

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sys_rename()

int sys_rename	(	struct thread *	td,
		struct sys_rename_args *	args
	)

Definition at line 226 of file file.c.

References thread::td_retval.

sysFwrite()

void sysFwrite	(	char *	ptr,
		int	size,
		userFileDescriptor *	userFd
	)

Definition at line 71 of file file.c.

References _current, userFileDescriptorStruct::fd, fwrite(), taskStruct::term, and tty_print().

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sysMkDir()

void sysMkDir

(

const char *

path

)

Definition at line 587 of file file.c.

References _current, osInfo::cwd, fclose(), fopen(), vfs_mountPoint::fs, kprintf(), fileDescriptor::mp, NULL, taskStruct::oInfo, sprintf(), strstr(), strtok(), and fileSystem::vfsMakeDir.

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sysRmDir()

void sysRmDir

(

)

Definition at line 120 of file file.c.

sysUnlink()

int sysUnlink	(	const char *	path,
		int *	retVal
	)

Definition at line 231 of file file.c.

unlink()

int unlink

(

const char *

node

)

Definition at line 629 of file file.c.

Variable Documentation

fdTable

fileDescriptor_t* fdTable = 0x0

Definition at line 45 of file file.c.

vfs_fileTable

fileDescriptor_t* vfs_fileTable = 0x0

Definition at line 47 of file file.c.