Make sure we close all open files.

sysdeps/linux/glibtop_server.h

@@ -69,10 +69,11 @@ proc_file_to_buffer (char *buffer, const char *fmt, pid_t pid)
 	if (fd < 0) return -1;
 
 	len = read (fd, buffer, BUFSIZ-1);
-	if (len < 0) return -1;
-
 	close (fd);
 
+	if (len < 0)
+	    return -1;
+
 	buffer [len] = '\0';
 
 	return 0;

sysdeps/linux/netload.c

@@ -290,7 +290,10 @@ glibtop_get_netload_s (glibtop *server, glibtop_netload *buf,
     }
 
     /* Should never happen. */
-    if (fields < 2) return;
+    if (fields < 2) {
+	fclose (f);
+	return;
+    }
     fields--;
 
     while (fgets (buffer, BUFSIZ-1, f)) {

sysdeps/linux/procargs.c

@@ -60,6 +60,8 @@ glibtop_get_proc_args_s (glibtop *server, glibtop_proc_args *buf,
 		retval = glibtop_malloc_r (server, max_len+1);
 
 		len = read (cmdline, retval, max_len);
+		close (cmdline);
+
 		if (len < 0) {
 			glibtop_free_r (server, retval);
 			return NULL;
@@ -76,6 +78,7 @@ glibtop_get_proc_args_s (glibtop *server, glibtop_proc_args *buf,
 	while (1) {
 		len = read (cmdline, buffer, BUFSIZ-1);
 		if (len < 0) {
+			close (cmdline);
 			glibtop_free_r (server, retval);
 			return NULL;
 		}