fix some warnings, add log flushing for standalone services

src/3proxy.c

@@ -202,7 +202,7 @@ void dumpcounters(struct trafcount *tlin, int counterd){
 
 	cheader.updated = conf.time;
 	lseek(counterd, 0, SEEK_SET);
-	write(counterd, &cheader, sizeof(struct counter_header));			
+	(void)write(counterd, &cheader, sizeof(struct counter_header));			
 	for(tl=tlin; tl; tl = tl->next){
 		if(tl->number){
 			lseek(counterd, 
@@ -211,7 +211,7 @@ void dumpcounters(struct trafcount *tlin, int counterd){
 			crecord.traf64 = tl->traf64;
 			crecord.cleared = tl->cleared;
 			crecord.updated = tl->updated;
-			write(counterd, &crecord, sizeof(struct counter_record));
+			(void)write(counterd, &crecord, sizeof(struct counter_record));
 		}
 		if(tl->type!=NEVER && timechanged(tl->cleared, conf.time, tl->type)){
 			tl->cleared = conf.time;

src/conf.c

@@ -1161,7 +1161,7 @@ static int h_ace(int argc, char **argv){
 					sizeof(struct counter_header) + (tl->number - 1) * sizeof(struct counter_record),
 					SEEK_SET);
 				memset(&crecord, 0, sizeof(struct counter_record));
-				read(conf.counterd, &crecord, sizeof(struct counter_record));
+				(void)read(conf.counterd, &crecord, sizeof(struct counter_record));
 				tl->traf64 = crecord.traf64;
 				tl->cleared = crecord.cleared;
 				tl->updated = crecord.updated;
@@ -1379,15 +1379,18 @@ static int h_chroot(int argc, char **argv){
 		}
 		chrootp = mystrdup((char *)argv[1]);
 	}
-	if (gid && setregid(gid,gid)) {
+	if(gid && setregid(gid,gid)) {
 		fprintf(stderr, "Unable to set gid %d", (int)gid);
 		return(4);
 	}
-	if (uid && setreuid(uid,uid)) {
+	if(uid && setreuid(uid,uid)) {
 		fprintf(stderr, "Unable to set uid %d", (int)uid);
 		return(5);
 	}
-	chdir("/");
+	if(chdir("/")){
+		fprintf(stderr, "Unable to chdir to /");
+		return(5);
+	}
 	return 0;
 }
 #endif

src/log.c

@@ -836,9 +836,13 @@ static void stdlog(const char * buf, int len, struct LOGGER *logger) {
 	FILE *log = ((struct stdlogdata *)logger->data)->fp;
 
 	fprintf(log, "%s\n", buf);
+#ifdef WITHMAIN
+	fflush(log);
+#endif
 }
 
 static void stdlogrotate(struct LOGGER *logger){
+#ifndef WITHMAIN
  char tmpbuf[1024];
  struct stdlogdata *lp = (struct stdlogdata *)logger->data;
  if(lp->fp) lp->fp = freopen((char *)dologname (tmpbuf, sizeof(tmpbuf) -1, logger->selector, NULL, logger->rotate, conf.time), "a", lp->fp);
@@ -886,9 +890,10 @@ static void stdlogrotate(struct LOGGER *logger){
 			else
 				strcat((char *)tmpbuf, (char *)conf.archiver[i]);
 		}
-		system((char *)tmpbuf+1);
+		(void)system((char *)tmpbuf+1);
 	}
  }
+#endif
 }
 
 static void stdlogflush(struct LOGGER *logger){
@@ -913,8 +918,10 @@ static void logsyslog(const char * buf, int len, struct LOGGER *logger) {
 }
 
 static void syslogrotate(struct LOGGER *logger){
+#ifndef WITHMAIN
 	closelog();
 	openlog(logger->selector+1, LOG_PID, LOG_DAEMON);
+#endif
 }
 
 static void syslogclose(struct LOGGER *logger){

src/webadmin.c

@@ -557,7 +557,7 @@ void * adminchild(struct clientparam* param) {
 			if(writable && !error){
 				fflush(writable);
 #ifndef _WINCE
-				ftruncate(fileno(writable), ftell(writable));
+				(void)ftruncate(fileno(writable), ftell(writable));
 #endif
 			}
 			printstr(&pp, error?    "<h3><font color=\"red\">Config file is not writable</font></h3>Make sure you have \"writable\" command in configuration file":