file.c File Reference

#include <vfs/vfs.h>
#include <vfs/file.h>
#include <ubixos/sched.h>
#include <ubixos/vitals.h>
#include <ubixos/kpanic.h>
#include <ubixos/spinlock.h>
#include <lib/kmalloc.h>
#include <lib/string.h>
#include <vmm/paging.h>
#include <lib/kprintf.h>
#include <assert.h>

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Functions
int	fclose (fileDescriptor *fd)
int	feof (fileDescriptor *fd)
int	fgetc (fileDescriptor *fd)
fileDescriptor *	fopen (const char *file, const char *flags)
int	fputc (int ch, fileDescriptor *fd)
size_t	fread (void *ptr, size_t size, size_t nmemb, fileDescriptor *fd)
int	fseek (fileDescriptor *tmpFd, long offset, int whence)
size_t	fwrite (void *ptr, int size, int nmemb, fileDescriptor *fd)
void	sysChDir (const char *path)
void	sysFclose (userFileDescriptor *userFd, int *status)
void	sysFgetc (int *ptr, userFileDescriptor *userFd)
void	sysFopen (const char *file, char *flags, userFileDescriptor *userFd)
void	sysFread (void *data, long size, userFileDescriptor *userFd)
void	sysFseek (userFileDescriptor *userFd, long offset, int whence)
void	sysFwrite (char *ptr, int size, userFileDescriptor *userFd)
void	sysMkDir (const char *path)
void	sysRmDir ()
void	sysUnlink (const char *path, int *retVal)
int	unlink (const char *node)
Variables
fileDescriptor *	fdTable = 0x0
static spinLock_t	fdTable_lock = SPIN_LOCK_INITIALIZER

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Function Documentation

int fclose

(

fileDescriptor *

fd

)

Definition at line 398 of file file.c.

References assert, fileDescriptorStruct::buffer, fdTable, fdTable_lock, kfree(), fileDescriptorStruct::next, NULL, vitalsStruct::openFiles, fileDescriptorStruct::prev, spinLock(), spinUnlock(), systemVitals, and x1.

Referenced by elf_loadfile(), execFile(), kmod_load(), ldEnable(), sys_exec(), sysExec(), sysFclose(), sysMkDir(), and systemTask().

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int feof

(

fileDescriptor *

fd

)

Definition at line 220 of file file.c.

References fdEof, and fileDescriptorStruct::status.

int fgetc

(

fileDescriptor *

fd

)

Definition at line 251 of file file.c.

References vfs_mountPoint::fs, fileDescriptorStruct::mp, fileDescriptorStruct::offset, and fileSystem::vfsRead.

Referenced by sysFgetc().

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

Definition at line 274 of file file.c.

References fileDescriptorStruct::buffer, fdOpen, fdTable, fdTable_lock, fileAppend, fileBinary, fileDescriptorStruct::fileName, fileRead, fileWrite, vfs_mountPoint::fs, kfree(), kmalloc(), kprintf(), fileDescriptorStruct::mode, fileDescriptorStruct::mp, fileDescriptorStruct::next, NULL, fileDescriptorStruct::offset, vitalsStruct::openFiles, fileDescriptorStruct::prev, spinLock(), spinUnlock(), sprintf(), fileDescriptorStruct::status, strcpy, strstr(), strtok(), systemVitals, vfs_findMount(), and fileSystem::vfsOpenFile.

Referenced by elf_loadfile(), execFile(), kmod_load(), ldEnable(), sys_exec(), sys_open(), sysExec(), sysFopen(), and sysMkDir().

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int fputc	(	int	ch,
		fileDescriptor *	fd
	)

Definition at line 234 of file file.c.

References vfs_mountPoint::fs, fileDescriptorStruct::mp, fileDescriptorStruct::offset, and fileSystem::vfsWrite.

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

Definition at line 178 of file file.c.

References assert, vfs_mountPoint::fs, fileDescriptorStruct::mp, fileDescriptorStruct::offset, and fileSystem::vfsRead.

Referenced by elf_loadfile(), execFile(), kmod_load(), ldEnable(), read(), sys_exec(), sysExec(), and sysFread().

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

Definition at line 208 of file file.c.

References fileDescriptorStruct::offset.

Referenced by elf_loadfile(), execFile(), kmod_load(), ldEnable(), sys_exec(), and sysExec().

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

Definition at line 200 of file file.c.

References vfs_mountPoint::fs, fileDescriptorStruct::mp, fileDescriptorStruct::offset, and fileSystem::vfsWrite.

Referenced by sysFwrite().

void sysChDir

(

const char *

path

)

Definition at line 102 of file file.c.

References _current, osInfo::cwd, taskStruct::oInfo, sprintf(), and strstr().

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void sysFclose	(	userFileDescriptor *	userFd,
		int *	status
	)

Definition at line 157 of file file.c.

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

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void sysFgetc	(	int *	ptr,
		userFileDescriptor *	userFd
	)

Definition at line 59 of file file.c.

References _current, userFileDescriptorStruct::fd, fgetc(), getch(), sched_yield(), taskStruct::term, and tty_foreground.

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void sysFopen	(	const char *	file,
		char *	flags,
		userFileDescriptor *	userFd
	)

Definition at line 122 of file file.c.

References userFileDescriptorStruct::fd, userFileDescriptorStruct::fdSize, fopen(), kprintf(), NULL, and fileDescriptorStruct::size.

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void sysFread	(	void *	data,
		long	size,
		userFileDescriptor *	userFd
	)

Definition at line 140 of file file.c.

References userFileDescriptorStruct::fd, fread(), and NULL.

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void sysFseek	(	userFileDescriptor *	userFd,
		long	offset,
		int	whence
	)

Definition at line 92 of file file.c.

References userFileDescriptorStruct::fd, NULL, and fileDescriptorStruct::offset.

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

Definition at line 49 of file file.c.

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

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void sysMkDir

(

const char *

path

)

Definition at line 436 of file file.c.

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

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void sysRmDir

(

)

Definition at line 88 of file file.c.

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

Definition at line 111 of file file.c.

References unlink().

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int unlink

(

const char *

node

)

Definition at line 480 of file file.c.

References vfs_mountPoint::fs, vfs_mountPoint::mountPoint, NULL, strtok(), vfs_findMount(), and fileSystem::vfsUnlink.

Referenced by sysUnlink().

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Variable Documentation

fileDescriptor* fdTable = 0x0

Definition at line 45 of file file.c.

Referenced by fclose(), and fopen().

spinLock_t fdTable_lock = SPIN_LOCK_INITIALIZER [static]

Definition at line 42 of file file.c.

Referenced by fclose(), and fopen().

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