[PATCH 07/11] slre: refactor is_any_but()

[Rasmus Villemoes]

As preparation for fixing the handling of backslash-escapes used
inside a character class, refactor is_any_but() to be defined in terms
of is_any_of() so we don't have to repeat the same logic in two places.

Signed-off-by: Rasmus Villemoes <ravi at prevas.dk>
---
 lib/slre.c | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/lib/slre.c b/lib/slre.c
index 4f455400d3a..5cb0d3ec7fa 100644
--- a/lib/slre.c
+++ b/lib/slre.c
@@ -484,17 +484,14 @@ is_any_of(const unsigned char *p, int len, const char *s, int *ofs)
 static int
 is_any_but(const unsigned char *p, int len, const char *s, int *ofs)
 {
-	int	i, ch;
-
-	ch = s[*ofs];
+	int	dummy = *ofs;
 
-	for (i = 0; i < len; i++) {
-		if (p[i] == ch)
-			return 0;
+	if (is_any_of(p, len, s, &dummy)) {
+		return 0;
+	} else {
+		(*ofs)++;
+		return 1;
 	}
-
-	(*ofs)++;
-	return 1;
 }
 
 static int
-- 
2.49.0