Files functions

Function to manipulate files. More...

Functions
int	files_management (t_data *data)
	Executes all the files redirection tests.
int	build_files_redirection (t_data *data)
	Adds files to the file redirection structure.
void *	add_file (t_garbage *garbage, t_command *command, t_token *token, t_file **command_file)
	Add a file to the stack given in param, each file added is at the beginning of the stack (reverse order)
int	build_files_data (t_command *command)
	Build the data around the files in all commands.
t_command *	remove_used_file_tokens (t_data *data)
	Removes all the tokens of file redirections allready used.
int	build_file_access (t_file *file)
	Build the file using access and check permissions.
char *	ft_trim_word (char *str)
t_file *	file_parser (t_file *file)
	Parse the file structure.
t_tmp	create_tmp (t_garbage *garbage, char *path, int nbr_try)
	Create a tmp file, verify if it already exist, tries to open it to verify permissions, and returns the result.
char *	read_heredoc (t_tmp *tmp, char *delimiteur)
	Read from stdin and outputs to a file, stops reading when Ctrl+D or when a delimitor is found.
int	verify_access (t_garbage *garbage, t_command *command)
	Verify that all files are valid if at least one file is invalid, modifies the boolean in command but still return 0.
t_file *	search_last_file (t_file *file, t_file *already_searched)
	Return the last file that is not already_searched.
int	fill_heredocs (t_garbage *garbage, t_command *command)
	Fill all the heredocs in the correct order.
int	open_file_with_rights (t_garbage *garbage, t_file *file, t_bool in_out)
	Open a file with it's rights (permissions)
void	read_write_to (t_garbage *garbage, t_command *command, t_bool in_out)
	Opens the files to read and writes.
void	fd_default (t_command *command)
	Put the fds in command to there default values.

Detailed Description

Function to manipulate files.

Function Documentation

add_file()

void * add_file	(	t_garbage *	garbage,
		t_command *	command,
		t_token *	token,
		t_file **	command_file )

Add a file to the stack given in param, each file added is at the beginning of the stack (reverse order)

Parameters

garbage	garbage structure
command	command structure
token	token containing str informations
command_file	stack to assign a file

Returns

void* NULL if error, command if no stack given, and file if all's good

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build_file_access()

int build_file_access

(

t_file *

file

)

Build the file using access and check permissions.

Parameters

file	file structure

Returns

int 0, OK, -1 error

build_files_data()

int build_files_data

(

t_command *

command

)

Build the data around the files in all commands.

Parameters

command

file structure

Returns

int 0 OK, 1 error

build_files_redirection()

int build_files_redirection

(

t_data *

data

)

Adds files to the file redirection structure.

Parameters

data	data structure

Returns

int 0, OK, -1 error

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create_tmp()

t_tmp create_tmp	(	t_garbage *	garbage,
		char *	path,
		int	nbr_try )

Create a tmp file, verify if it already exist, tries to open it to verify permissions, and returns the result.

Parameters

garbage	garbage structure
path	path where to create the file
nbr_try	number of try to create a tmp file

Returns

t_tmp structure with the path+name of created name

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fd_default()

void fd_default

(

t_command *

command

)

Put the fds in command to there default values.

Parameters

command

command structure

file_parser()

t_file * file_parser

(

t_file *

file

)

Parse the file structure.

Parameters

file	file structure

Returns

t_file* file given in paramter

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files_management()

int files_management

(

t_data *

data

)

Executes all the files redirection tests.

Parameters

data	data structure

Returns

int 0 OK, 1 is at least one file redirection is invalid

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fill_heredocs()

int fill_heredocs	(	t_garbage *	garbage,
		t_command *	command )

Fill all the heredocs in the correct order.

Parameters

garbage	garbage structure
command	command structure

Returns

int 0 OK, otherwise error

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ft_trim_word()

char * ft_trim_word

(

char *

str

)

open_file_with_rights()

int open_file_with_rights	(	t_garbage *	garbage,
		t_file *	file,
		t_bool	in_out )

Open a file with it's rights (permissions)

Parameters

garbage	garbage structure
file	file structure
in_out	0 = IN, 1 = OUT

Returns

int

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read_heredoc()

char * read_heredoc	(	t_tmp *	tmp,
		char *	delimitor )

Read from stdin and outputs to a file, stops reading when Ctrl+D or when a delimitor is found.

Parameters

tmp	structure for heredocs
delimitor	string to know when to stop reading

Returns

char* tmp->name if successful, NULL otherwise

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read_write_to()

void read_write_to	(	t_garbage *	garbage,
		t_command *	command,
		t_bool	in_out )

Opens the files to read and writes.

Parameters

garbage	garbage structure
command	command structure
in_out	0 = IN, 1 = OUT

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remove_used_file_tokens()

t_command * remove_used_file_tokens

(

t_data *

data

)

Removes all the tokens of file redirections allready used.

Parameters

data	data structure

Returns

t_command*

search_last_file()

t_file * search_last_file	(	t_file *	file,
		t_file *	already_searched )

Return the last file that is not already_searched.

Parameters

file	file structure
already_searched	previous file from search

Returns

t_file* last file begore already_searched

verify_access()

int verify_access	(	t_garbage *	garbage,
		t_command *	command )

Verify that all files are valid if at least one file is invalid, modifies the boolean in command but still return 0.

Parameters

garbage	garbage structure
command	command structure

Returns

int 0 OK, error otherwise