[PATCHv5 01/19] util: string: Add helper to free non-NULL terminated string arrays

[Peter Krempa <pkrempa@xxxxxxxxxx>]

Sometimes the length of the string list is known but the array isn't
NULL terminated. Add helper to free the array in such cases.
---
 src/libvirt_private.syms |  1 +
 src/util/virstring.c     | 20 ++++++++++++++++++++
 src/util/virstring.h     |  1 +
 3 files changed, 22 insertions(+)

diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index 46c0f02..6bd87e6 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -1918,6 +1918,7 @@ virStrcpy;
 virStrdup;
 virStringArrayHasString;
 virStringFreeList;
+virStringFreeListCount;
 virStringJoin;
 virStringListLength;
 virStringReplace;
diff --git a/src/util/virstring.c b/src/util/virstring.c
index 6dcc7a8..35b99a5 100644
--- a/src/util/virstring.c
+++ b/src/util/virstring.c
@@ -187,6 +187,26 @@ void virStringFreeList(char **strings)
 }


+/**
+ * virStringFreeListCount:
+ * @strings: array of strings to free
+ * @count: number of elements in the array
+ *
+ * Frees a string array of @count length.
+ */
+void
+virStringFreeListCount(char **strings,
+                       size_t count)
+{
+    size_t i;
+
+    for (i = 0; i < count; i++)
+        VIR_FREE(strings[i]);
+
+    VIR_FREE(strings);
+}
+
+
 bool
 virStringArrayHasString(char **strings, const char *needle)
 {
diff --git a/src/util/virstring.h b/src/util/virstring.h
index 6ddcff5..df25441 100644
--- a/src/util/virstring.h
+++ b/src/util/virstring.h
@@ -42,6 +42,7 @@ char *virStringJoin(const char **strings,
     ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);

 void virStringFreeList(char **strings);
+void virStringFreeListCount(char **strings, size_t count);

 bool virStringArrayHasString(char **strings, const char *needle);

-- 
1.9.3

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