From 8c27290245b7bcc7cd2f72f3b4a7562294b43bbe Mon Sep 17 00:00:00 2001
From: David Härdeman <david@hardeman.nu>
Date: Tue, 23 Jun 2020 16:25:36 +0200
Subject: Split directories better

---
 rcon-protocol.c | 185 --------------------------------------------------------
 1 file changed, 185 deletions(-)
 delete mode 100644 rcon-protocol.c

(limited to 'rcon-protocol.c')

diff --git a/rcon-protocol.c b/rcon-protocol.c
deleted file mode 100644
index 0ea1245..0000000
--- a/rcon-protocol.c
+++ /dev/null
@@ -1,185 +0,0 @@
-#include <stdint.h>
-#include <stdbool.h>
-#include <stddef.h>
-#include <string.h>
-
-#include "rcon-protocol.h"
-
-static int32_t
-read_int(const char **pos, size_t *len)
-{
-	uint32_t val;
-	const char *p;
-
-	if (!pos || !*pos)
-		return 0;
-
-	if (len && *len < RCON_INT_LEN)
-		return 0;
-
-	p = *pos;
-	val  = ((uint8_t)p[0] <<  0);
-	val += ((uint8_t)p[1] <<  8);
-	val += ((uint8_t)p[2] << 16);
-	val += ((uint8_t)p[3] << 24);
-
-	*pos += RCON_INT_LEN;
-	if (len)
-		*len -= RCON_INT_LEN;
-
-	return (int32_t)val;
-}
-
-static void
-write_int(char **pos, size_t *len, int32_t orig)
-{
-	uint32_t val = (uint32_t)orig;
-	char *p;
-
-	if (!pos || !*pos)
-		return;
-
-	p = *pos;
-	p[0] = (val >>  0) & 0xff;
-	p[1] = (val >>  8) & 0xff;
-	p[2] = (val >> 16) & 0xff;
-	p[3] = (val >> 24) & 0xff;
-
-	*pos += RCON_INT_LEN;
-	if (len)
-		*len += RCON_INT_LEN;
-}
-
-static void
-write_str(char **pos, size_t *len, const char *str, size_t slen)
-{
-	if (!pos || !*pos || !str || *str == '\0' || slen < 1)
-		return;
-
-	memcpy(*pos, str, slen);
-	*pos += slen;
-	if (len)
-		*len += slen;
-}
-
-static void
-write_end(char **pos, size_t *len)
-{
-	char *p;
-
-	if (!pos || !*pos)
-		return;
-
-	p = *pos;
-	p[0] = 0x00;
-	p[1] = 0x00;
-
-	*pos += RCON_END_LEN;
-	if (len)
-		*len += RCON_END_LEN;
-}
-
-bool
-rcon_protocol_create_packet(char *buf, size_t len, size_t *rlen, int32_t reqid,
-			    enum rcon_packet_type type, const char *msg)
-{
-	size_t plen, msglen;
-	char *pos;
-
-	if (!buf || !rlen || !msg || msg[0] == '\0')
-		return false;
-
-	msglen = strlen(msg);
-	if (len < rcon_protocol_packet_len(msglen))
-		return false;
-
-	/* Body */
-	pos = buf + RCON_HDR_LEN;
-	plen = RCON_HDR_LEN;
-	write_int(&pos, &plen, reqid);
-	write_int(&pos, &plen, type);
-	write_str(&pos, &plen, msg, msglen);
-	write_end(&pos, &plen);
-
-	/* Header (length of body) */
-	pos = buf;
-	write_int(&pos, NULL, plen - RCON_HDR_LEN);
-
-	*rlen = plen;
-	return true;
-}
-
-/*
- * Returns:
- * < 0 = error
- *   0 = packet not complete
- * > 0 = packet complete (length)
- */
-int32_t
-rcon_protocol_packet_complete(const char *buf, size_t len)
-{
-	const char *pos;
-	int32_t plen;
-
-	if (!buf)
-		return -1;
-
-	if (len < RCON_PKT_MIN_LEN)
-		return 0;
-
-	pos = buf;
-	plen = read_int(&pos, NULL) + RCON_HDR_LEN;
-
-	if (plen < RCON_HDR_LEN)
-		/* Read a negative int */
-		return -1;
-
-	if (len < plen)
-		return 0;
-	else
-		return plen;
-}
-
-bool
-rcon_protocol_read_packet(const char *buf, size_t len, int32_t *id, int32_t *type,
-			  const char **rmsg, const char **error)
-{
-	const char *pos;
-	int32_t plen;
-
-	if (!error)
-		return false;
-
-	if (!buf || !id || !type || !rmsg) {
-		*error = "invalid arguments";
-		return false;
-	}
-
-	plen = rcon_protocol_packet_complete(buf, len);
-	*error = "invalid packet length";
-	if (plen < RCON_PKT_MIN_LEN)
-		return false;
-
-	pos = buf + RCON_HDR_LEN;
-	len -= RCON_HDR_LEN;
-
-	*id = read_int(&pos, &len);
-	*type = read_int(&pos, &len);
-	*rmsg = NULL;
-
-	if (len < RCON_END_LEN)
-		return false;
-	else if (len > RCON_END_LEN) {
-		*rmsg = pos;
-		pos += len - RCON_END_LEN;
-		len = RCON_END_LEN;
-	}
-
-	if (pos[0] != '\0' || pos[1] != '\0') {
-		*error = "invalid trailer";
-		return false;
-	}
-
-	*error = NULL;
-	return true;
-}
-- 
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