sockets.c
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sockets.c
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	/*
	* Copyright (C) 1996 Darkbot Project.

	* This program is free software, you can redistribute it and/or modify it
	* under the terms of the GNU General Public License version 2. This
	* program is distributed in the hope that it will be useful, but without
	* any warranty, without even the implied warranty of merchantability or
	* fitness for a particular purpose. See the COPYING file for details.
	*/


	#include "defines.h"
	#include "vars.h"
	#include "prototypes.h"

	/**
	* Write a character array to a socket connection.
	* 6/22/00 Dan
	* Method argument now pointer to const data.
	*/
	int
	writeln (const char *b)
	{
	return (write (socketfd, b, strlen (b)) < 0) ? 0 : 1;
	}

	int
	readln (void)
	{
	char ch = 0;
	int i = 0;

	do
	{
	if (read (socketfd, &ch, 1) < 1)
	return 0;
	if (ch >= 32 \|\| ch <= 126)
	if (i < 524 - 1)
	L[i++] = ch;
	}
	while (ch != '\n');
	L[i] = '\0';
	return 1;
	}

	/**
	* 6/23/00 Dan
	* - Changed method argument to be pointer to const data
	* - Initialized variables when declared
	* - Changed b to a power of 2
	*/
	void
	S (const char *format, ...)
	{
	va_list arglist;
	char b[STRING_LONG] = { 0 };
	struct sendq *n = 0;

	va_start (arglist, format);
	vsprintf (b, format, arglist);
	va_end (arglist);

	if (send_tog == 0)
	{
	send_tog = 1;
	if (DebuG == 1)
	{
	printf ("OUT: %s", b);
	}
	writeln (b);
	return;
	}

	n = malloc (sizeof (struct sendq));
	if (n == NULL)
	{
	db_log ("error.log", "AHH! no ram left! in S!\n");
	return;
	}

	memset (n, 0, sizeof (struct sendq));
	strncpy (n->data, b, sizeof (n->data));

	if (sendqhead == NULL)
	{
	sendqhead = sendqtail = n;
	}
	else
	{
	sendqtail->next = n;
	sendqtail = sendqtail->next;
	}
	}

	/**
	* 6/23/00 Dan
	* - Changed method argument to be pointer to const data
	* - Initialized b
	*/
	int
	Snow (const char *format, ...)
	{
	va_list arglist;
	char b[STRING_LONG] = { 0 };

	va_start (arglist, format);
	vsprintf (b, format, arglist);
	va_end (arglist);
	if (DebuG == 1)
	printf ("OUT: %s", b);
	return (writeln (b));
	}

	int
	Send ()
	{
	struct sendq *c;
	char output[STRING_LONG];
	c = sendqhead;
	get_sendq_count (0);
	if (c == NULL)
	{
	send_tog = 0;
	return -1;
	}
	if (DebuG == 1)
	printf ("OUT: %s", c->data);
	#ifdef DEBUG2
	db_log ("darkbot_debug.log", "OUT: %s", c->data);
	#endif
	strncpy (output, c->data, sizeof (output));
	del_sendq (0);
	return (writeln (output));
	}

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