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-rw-r--r--usr.bin/unifdef/unifdef.c12
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
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