From: simon <simon@cda61777-01e9-0310-a592-d414129be87e>
Date: Wed, 22 Aug 2012 18:36:44 +0000 (+0000)
Subject: Fix a bug in the PSFTP command parser which would cause it to
X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/putty/commitdiff_plain/5ab93329d5698739fcf00d3d52d69c8936ecd3f4

Fix a bug in the PSFTP command parser which would cause it to
hallucinate an extra empty argument word at the end of a line if the
line ended in more than one whitespace character.


git-svn-id: svn://svn.tartarus.org/sgt/putty@9613 cda61777-01e9-0310-a592-d414129be87e
---

diff --git a/psftp.c b/psftp.c
index 482d66ee..ef930bdd 100644
--- a/psftp.c
+++ b/psftp.c
@@ -2287,10 +2287,13 @@ struct sftp_command *sftp_getcmd(FILE *fp, int mode, int modeflags)
 	 *      >this has "quotes" in<
 	 *      >and"this"<
 	 */
-	while (*p) {
+	while (1) {
 	    /* skip whitespace */
 	    while (*p && (*p == ' ' || *p == '\t'))
 		p++;
+            /* terminate loop */
+            if (!*p)
+                break;
 	    /* mark start of word */
 	    q = r = p;		       /* q sits at start, r writes word */
 	    quoting = 0;