From 74fbf95549bb68a2d40c0f91fdb04a0a720e3920 Mon Sep 17 00:00:00 2001 From: Herbert Xu Date: Sun, 13 Jul 2008 20:05:56 +0800 Subject: [BUILTIN] Made aexpr/oexpr non-recursive Making these functions non-recursive is straightforward since they carry no state. Signed-off-by: Herbert Xu --- src/bltin/test.c | 31 +++++++++++++++++++------------ 1 file changed, 19 insertions(+), 12 deletions(-) (limited to 'src') diff --git a/src/bltin/test.c b/src/bltin/test.c index 89d8d86..32a12fe 100644 --- a/src/bltin/test.c +++ b/src/bltin/test.c @@ -232,24 +232,31 @@ syntax(const char *op, const char *msg) static int oexpr(enum token n) { - int res; - - res = aexpr(n); - if (t_lex(*++t_wp) == BOR) - return oexpr(t_lex(*++t_wp)) || res; - t_wp--; + int res = 0; + + for (;;) { + res |= aexpr(n); + n = t_lex(t_wp[1]); + if (n != BOR) + break; + n = t_lex(*(t_wp += 2)); + } return res; } static int aexpr(enum token n) { - int res; - - res = nexpr(n); - if (t_lex(*++t_wp) == BAND) - return aexpr(t_lex(*++t_wp)) && res; - t_wp--; + int res = 1; + + for (;;) { + if (!nexpr(n)) + res = 0; + n = t_lex(t_wp[1]); + if (n != BAND) + break; + n = t_lex(*(t_wp += 2)); + } return res; } -- cgit 1.4.1