Fix a bug in get_line_from_file. If the length of the line is (GROWBY * n) +

GROWBY - 1, then it writes the null character just after the buffer.  Yipe.
Fix thanks to Matt Kraai <kraai@alumni.carnegiemellon.edu> Thanks Matt!
 -Erik

diff --git a/utility.c b/utility.c
index 3dedc2c71493d18c2ba78cb14f66a40e0202d137..a15ae68dafd56e7789916783f369f4a6ac38bcfa 100644 (file)
--- a/utility.c
+++ b/utility.c
@@ -1616,7 +1616,7 @@ extern char *get_line_from_file(FILE *file)
                if (ch == EOF)
                        break;
                /* grow the line buffer as necessary */
-               if (idx > linebufsz-1)
+               if (idx > linebufsz-2)
                        linebuf = realloc(linebuf, linebufsz += GROWBY);
                linebuf[idx++] = (char)ch;
                if ((char)ch == '\n')