nano

commit 90b959a6777c01c52d76203fb4e95bc8c5c0af01
parent 116d9e6f01546c53b545e2efb900bf1f51cc67a0
Author: Benno Schulenberg <bensberg@justemail.net>
Date:   Wed, 21 Dec 2016 17:26:12 +0100

history: avoid crashing when the positionlog file is malformed

Diffstat:
M
src/files.c
 | 
4
++++

1 file changed, 4 insertions(+), 0 deletions(-)
diff --git a/src/files.c b/src/files.c
@@ -3192,7 +3192,11 @@ void load_poshistory(void)
 
 	    /* Find where the x index and line number are in the line. */
 	    xptr = revstrstr(line, " ", line + read - 3);
+	    if (xptr == NULL)
+		continue;
 	    lineptr = revstrstr(line, " ", xptr - 2);
+	    if (lineptr == NULL)
+		continue;
 
 	    /* Now separate the three elements of the line. */
 	    *(xptr++) = '\0';