util.cpp File Reference

CS 225 Util Library. More...

#include <ctype.h>
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
#include <iostream>
#include "util.h"

Include dependency graph for util.cpp:

Functions
pid_t	util::internal::exec::exec_cmd (const char *cmd, const char *const *args, int redirect_fd, int outpipe_fd=-1)
	Forks and executes the given command in child process, then returns child process pid. More...
ssize_t	util::writeBytesToFile (signed int fileDescriptor, const char *buffer, unsigned int bufferLength)
	A wrapper function which writes a buffer to a file. More...

Detailed Description

CS 225 Util Library.

Author

Jack Toole

Function Documentation

pid_t util::internal::exec::exec_cmd	(	const char *	cmd,
		const char *const *	args,
		int	redirect_fd,
		int	outpipe_fd = -1
	)

Forks and executes the given command in child process, then returns child process pid.

Use exec_status() to wait and retrieve child return status.

heavily refactored, but originally from: http://stackoverflow.com/questions/2180079/how-can-i-copy-a-file-on-unix-using-c

ssize_t util::writeBytesToFile	(	signed int	fileDescriptor,
		const char *	buffer,
		unsigned int	bufferLength
	)

A wrapper function which writes a buffer to a file.