What is the most efficient way?

Ok, so I have socket in C, and I want to read one line from the socket, not including the ending new line. I want to write a function that returns a malloc'd string containing the line.

ok

Use a buffer

>>3
by buffer, do you mean a linked list...

don't malloc; malloc is slow.
Allocate once, then put all data you need in this buffer

>>5
what if the line is bigger than this bufer

>>6
make sure it isn't.

FFS
Use a dynamic array that grows by a factor of 2
Read some shit from the socket into the array
Stop when you hit EOL

FUCK THIS IM JUST GONNA USE THE GLIB STRING FUNCTIONS
YOU GUYS ARE UN HELPFUL AND ULTIMATELY DESTRUCTIVe

fgets

>>1
fdopen() the socket and use GNU's getline().
It's really dumb to do so thought. You *really* don't want to read an arbitrary line from a socket.

>>11
why?

>>12

he's lying to you

>>12
A million of fucking reasons, oh my fucking god do I really have to explain you why? Remote DOS attacks you fucking moron. God dammit.

I don't understand networks :(

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
char *get_line_from_stream(FILE *stream){
 size_t len = 0;
 char *line = fgetln(stream, &len);
 char *res = calloc(line[len - 1] == '\n' ? len-- : len + 1, sizeof(char));
 strncpy(res, line, len);
 res[len] = '\0';
 return res;
}

>>15
What don't you understand about them?

>>16
You should probably filter out '\r' there too.

>>16
No such function as fgetln() in standard C, "fget".

>>19
There are no sockets in standard C either.  ∴ this thread doesn't exist, and you're only trolling yourself.

>>19
I think you're thinking of fgets(), which is pretty fucking useless.
fgetln() isn't in standard C, but it works on every operating system that isn't complete shit.

>>21
3) fuh-gets

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 All work and no play makes Jack a dull boy
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All work and no play makes Jack a dull boy
 All work and no play makes Jack a dull boy
 All work and no play makes Jack a dull boy
 All work and no play makes Jack a dull boy
 All work and no play makes Jack a dull boy
 All work and no play makes Jack a dull boy
 All work and no play makes Jack a dull boy
 All work and no play makes Jack a dull boy
 All work and no play makes Jack a dull boy