From 4d615b9e01880e4a97437d0351a4855e2d6c3ab2 Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Fri, 24 Oct 2008 14:20:37 -0200
Subject: [PATCH] strings: Add strings__find and strings__cmp

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 strings.c | 21 +++++++++++++++++++++
 strings.h |  3 +++
 2 files changed, 24 insertions(+)

diff --git a/strings.c b/strings.c
index 40c52aa..e5a254d 100644
--- a/strings.c
+++ b/strings.c
@@ -88,3 +88,24 @@ strings_t strings__add(struct strings *self, const char *str)
 
 	return index;
 }
+
+strings_t strings__find(struct strings *self, const char *str)
+{
+	strings_t *s;
+	struct search_key key = {
+		.self = self,
+		.str = str,
+	};
+
+	if (str == NULL)
+		return 0;
+
+	s = tfind(&key, &self->tree, strings__compare);
+	return s ? *s : 0;
+}
+ 
+int strings__cmp(const struct strings *self, strings_t a, strings_t b)
+{
+	return a == b ? 0 : strcmp(strings__ptr(self, a),
+				   strings__ptr(self, b));
+}
diff --git a/strings.h b/strings.h
index 460a013..5e4860c 100644
--- a/strings.h
+++ b/strings.h
@@ -22,6 +22,9 @@ struct strings *strings__new(void);
 void strings__delete(struct strings *self);
 
 strings_t strings__add(struct strings *self, const char *str);
+strings_t strings__find(struct strings *self, const char *str);
+
+int strings__cmp(const struct strings *self, strings_t a, strings_t b);
 
 static inline const char *strings__ptr(const struct strings *self, strings_t s)
 {