diff options
| author | Otto Moerbeek <otto@cvs.openbsd.org> | 2003-12-02 13:43:03 +0000 |
|---|---|---|
| committer | Otto Moerbeek <otto@cvs.openbsd.org> | 2003-12-02 13:43:03 +0000 |
| commit | 586806ead1d607752cf8c10d161adb59e9f20b6e (patch) | |
| tree | f2e4a2325e94317584fd319dc56f8a80b57fbf94 /usr.bin/dc | |
| parent | 0cb0f5f73d334a89cf05f917d75d5b7ec6c52917 (diff) | |
Fix a max recursion off-by-one.
Diffstat (limited to 'usr.bin/dc')
| -rw-r--r-- | usr.bin/dc/bcode.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/usr.bin/dc/bcode.c b/usr.bin/dc/bcode.c index 2a965a1cbdc..e1da7ea5c09 100644 --- a/usr.bin/dc/bcode.c +++ b/usr.bin/dc/bcode.c @@ -1,4 +1,4 @@ -/* $OpenBSD: bcode.c,v 1.18 2003/12/01 09:13:24 otto Exp $ */ +/* $OpenBSD: bcode.c,v 1.19 2003/12/02 13:43:02 otto Exp $ */ /* * Copyright (c) 2003, Otto Moerbeek <otto@drijf.net> @@ -17,7 +17,7 @@ */ #ifndef lint -static const char rcsid[] = "$OpenBSD: bcode.c,v 1.18 2003/12/01 09:13:24 otto Exp $"; +static const char rcsid[] = "$OpenBSD: bcode.c,v 1.19 2003/12/02 13:43:02 otto Exp $"; #endif /* not lint */ #include <ssl/ssl.h> @@ -34,7 +34,7 @@ BIGNUM zero; /* #define DEBUGGING */ #define MAX_ARRAY_INDEX 2048 -#define MAX_RECURSION 100 +#define RECURSION_STACK_SIZE 100 #define NO_ELSE -2 /* -1 is EOF */ #define REG_ARRAY_SIZE_SMALL (UCHAR_MAX + 1) @@ -49,7 +49,7 @@ struct bmachine { bool extended_regs; size_t reg_array_size; struct stack *reg; - struct source readstack[MAX_RECURSION]; + struct source readstack[RECURSION_STACK_SIZE]; }; static struct bmachine bmachine; @@ -1648,7 +1648,7 @@ eval_string(char *p) } else unreadch(); } - if (bmachine.readsp == MAX_RECURSION) + if (bmachine.readsp == RECURSION_STACK_SIZE-1) errx(1, "recursion too deep"); src_setstring(&bmachine.readstack[++bmachine.readsp], p); } |