Fix incorrect bounds check, from Alexander Cherepanov

diff --git a/src/funcs.c b/src/funcs.c
index 8120f62dc14d2b20c2b4da15ffd61063a99991b2..a60ccaaf9cef8a587882513827b654a5cb25e951 100644 (file)
--- a/src/funcs.c
+++ b/src/funcs.c
@@ -27,7 +27,7 @@
 #include "file.h"
 
 #ifndef        lint
-FILE_RCSID("@(#)$File: funcs.c,v 1.78 2014/12/11 12:34:24 christos Exp $")
+FILE_RCSID("@(#)$File: funcs.c,v 1.79 2014/12/16 20:52:49 christos Exp $")
 #endif /* lint */
 
 #include "magic.h"
@@ -546,7 +546,7 @@ file_printable(char *buf, size_t bufsiz, const char *str)
                        *ptr++ = *s;
                        continue;
                }
-               if (ptr >= eptr + 4)
+               if (ptr >= eptr - 3)
                        break;
                *ptr++ = '\\';
                *ptr++ = ((*s >> 6) & 7) + '0';