From 51eaebf4f01ce8b8de4e32d679fe98b69ae64ad0 Mon Sep 17 00:00:00 2001
From: cinap_lenrek <cinap_lenrek@felloff.net>
Date: Sat, 29 Apr 2017 16:25:48 +0200
Subject: [PATCH] sshfs: don't crash when no /etc/password file could be read
 on the remote side

in a cygwin environment, theres no /etc/passwd file to
translate numeric uid/gid's. changing passwdparse() to
ignore nil string argument.
---
 sys/src/cmd/sshfs.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/sys/src/cmd/sshfs.c b/sys/src/cmd/sshfs.c
index cb5692d10..eaa32cb9d 100644
--- a/sys/src/cmd/sshfs.c
+++ b/sys/src/cmd/sshfs.c
@@ -1252,13 +1252,13 @@ out:
 void
 passwdparse(IDEnt **tab, char *s)
 {
-	char *p;
-	char *n;
-	int id;
 	IDEnt *e, **b;
+	char *p, *n;
+	int id;
 
-	p = s;
-	for(;;){
+	if(s == nil)
+		return;
+	for(p = s;;){
 		n = p;
 		p = strpbrk(p, ":\n"); if(p == nil) break; if(*p != ':'){ p++; continue; }
 		*p = 0;