From f2525e3efbd35262ac1fa017482c8a70c11f35c0 Mon Sep 17 00:00:00 2001
From: Eric Wong <normalperson@yhbt.net>
Date: Tue, 21 Oct 2008 01:30:30 +0200
Subject: dirvec: add dirvec_for_each iterator

This will make it easier to introduce locking
---
 src/dirvec.c | 16 ++++++++++++++++
 src/dirvec.h |  3 +++
 2 files changed, 19 insertions(+)

(limited to 'src')

diff --git a/src/dirvec.c b/src/dirvec.c
index 61e5a859a..7493a4d2c 100644
--- a/src/dirvec.c
+++ b/src/dirvec.c
@@ -78,3 +78,19 @@ void dirvec_destroy(struct dirvec *dv)
 	}
 	dv->nr = 0;
 }
+
+int dirvec_for_each(const struct dirvec *dv,
+                    int (*fn)(struct directory *, void *), void *arg)
+{
+	size_t i;
+
+	for (i = 0; i < dv->nr; ++i) {
+		struct directory *dir = dv->base[i];
+
+		assert(dir);
+		if (fn(dir, arg) < 0)
+			return -1;
+	}
+
+	return 0;
+}
diff --git a/src/dirvec.h b/src/dirvec.h
index 2cdfb3196..746143aee 100644
--- a/src/dirvec.h
+++ b/src/dirvec.h
@@ -24,4 +24,7 @@ dirvec_clear(struct dirvec *dv)
 
 void dirvec_destroy(struct dirvec *dv);
 
+int dirvec_for_each(const struct dirvec *dv,
+                    int (*fn)(struct directory *, void *), void *arg);
+
 #endif /* DIRVEC_H */
-- 
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