X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fargp-fmtstream.c;h=0dd9256f570adfb6eed734d465e60f0fa9bb43f0;hb=04597d099c32b9b380b6c82eed97fb88ef467d2e;hp=0ba19c5aeb7bef140b8cf44844b9a0d3160f743e;hpb=d210c813ea414429a0aa72512e5659860fa556a1;p=gnulib.git

diff --git a/lib/argp-fmtstream.c b/lib/argp-fmtstream.c
index 0ba19c5ae..0dd9256f5 100644
--- a/lib/argp-fmtstream.c
+++ b/lib/argp-fmtstream.c
@@ -246,9 +246,10 @@ __argp_fmtstream_update (argp_fmtstream_t fs)
 		 Oh well.  Put it on an overlong line by itself.  */
 	      p = buf + (r + 1 - fs->point_col);
 	      /* Find the end of the long word.  */
-	      do
-		++p;
-	      while (p < nl && !isblank (*p));
+	      if (p < nl)
+		do
+		  ++p;
+		while (p < nl && !isblank (*p));
 	      if (p == nl)
 		{
 		  /* It already ends a line.  No fussing required.  */