diff options
-rw-r--r-- | usr.bin/unifdef/unifdef.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/usr.bin/unifdef/unifdef.c b/usr.bin/unifdef/unifdef.c index 82e0e6b..be5b4fc 100644 --- a/usr.bin/unifdef/unifdef.c +++ b/usr.bin/unifdef/unifdef.c @@ -24,17 +24,19 @@ */ /* - * This code is derived from software contributed to Berkeley by Dave Yost. + * This code was derived from software contributed to Berkeley by Dave Yost. * It was rewritten to support ANSI C by Tony Finch. The original version * of unifdef carried the 4-clause BSD copyright licence. None of its code * remains in this version (though some of the names remain) so it now * carries a more liberal licence. + * + * The latest version is available from http://dotat.at/prog/unifdef */ #include <sys/cdefs.h> #ifdef __IDSTRING -__IDSTRING(dotat, "$dotat: unifdef/unifdef.c,v 1.188 2009/11/25 00:11:02 fanf2 Exp $"); +__IDSTRING(dotat, "$dotat: unifdef/unifdef.c,v 1.190 2009/11/27 17:21:26 fanf2 Exp $"); #endif #ifdef __FBSDID __FBSDID("$FreeBSD$"); @@ -460,9 +462,11 @@ keywordedit(const char *replacement) static void nest(void) { - depth += 1; - if (depth >= MAXDEPTH) + if (depth > MAXDEPTH-1) + abort(); /* bug */ + if (depth == MAXDEPTH-1) error("Too many levels of nesting"); + depth += 1; stifline[depth] = linenum; } static void |