utils.h File Reference

Contains some useful methods. More...

#include <stdlib.h>
#include <stdint.h>
#include <unistd.h>
#include <stdbool.h>

Go to the source code of this file.

Macros
#define	buffer_length   1024

Functions
int	buffered_write (char **buffer, size_t *buffer_size, char *data, size_t size)
int	read_while (int fd, char *buffer, size_t to_read)
	Properly reading from memory. More...
int	write_while (int fd, const char *buffer, size_t to_write)
	Properly writing to memory. More...
char *	parse_path (const char *path, char *current_file_name)
bool	split_path (const char *path, char *parent_path, char *dirname)
void	read_command_from_stdin (char *command_buffer, size_t buffer_size)
	Read line from stdin. More...
char *	parse_command (char *command_buffer, char *command)
	Parse command Parse command to command and args. Put command to arg command and return position of first arg. More...
ssize_t	get_file_size (const char *path_to_file)
	Get size of file. More...

Detailed Description

Contains some useful methods.

Author

yaishenka

Date

13.03.2021

Definition in file utils.h.

Function Documentation

int buffered_write	(	char **	buffer,
		size_t *	buffer_size,
		char *	data,
		size_t	size
	)

Realloc buffer to accommodate data and write data to it

Parameters

buffer
data
size

Returns

Author

yaishenka

Date

10.03.2021

Definition at line 10 of file utils.c.

ssize_t get_file_size

(

const char *

path_to_file

)

Get size of file.

Parameters

path_to_file

Returns

size of file if all ok; -1 otherwise;

Definition at line 145 of file utils.c.

char* parse_command	(	char *	command_buffer,
		char *	command
	)

Parse command Parse command to command and args. Put command to arg command and return position of first arg.

Parameters

command_buffer
command

Returns

return position of first arg (first symbol after space)

Definition at line 131 of file utils.c.

void read_command_from_stdin	(	char *	command_buffer,
		size_t	buffer_size
	)

Read line from stdin.

Parameters

command_buffer
buffer_size

Definition at line 125 of file utils.c.

int read_while	(	int	fd,
		char *	buffer,
		size_t	to_read
	)

Properly reading from memory.

Parameters

fd
buffer
to_read

Returns

Definition at line 23 of file utils.c.

int write_while	(	int	fd,
		const char *	buffer,
		size_t	to_write
	)

Properly writing to memory.

Parameters

fd
buffer
to_write

Returns

Definition at line 38 of file utils.c.