Get_Next_Line @ 42 Silicon Valley

The aim of this project is to make a function that reads a file and at every call returns a new line from that file.

What is it?

From a file descriptor get_next_line(const int fd, char **line) will place in a pointer to string line the next line of an input that hasn't been read yet from a certain file descriptor fd. A line is a string ended by a '\n' or by a '\0'. It returns 1 if has read something, 0 if there are no new line, -1 if there is an error (wrong file descriptor, inexistent original pointer to string). The function has to work with any length of new line and has to work with a BUFF_SIZE for reading a file from 1 to 9999. As bonus this one has to work with multiple file descriptors at the same time and use only ona static variable and no global variable. Behavior is similar to getline() function: http://man7.org/linux/man-pages/man3/getline.3.html.

Usage:

• git clone https://github.com/patrisor/get_next_line.git
• run the shell script sh make.sh
• ./main [input file] [input file] [input file]

Return value:

• return 1 when it read a line
• return 0 when it finished reading a file
• return -1 when an error occurs