[PATCH v2 1/2] string-list: Add string_list initializer helper functions

[Tanay Abhra <tanayabh@xxxxxxxxx>]

When a compound construct like a string_list within another
struct is used, the default initializer macros are useless.
For such cases add helper functions for string_list
initialization for both DUP and NODUP modes.

Signed-off-by: Tanay Abhra <tanayabh@xxxxxxxxx>
---
 string-list.c | 18 ++++++++++++++++++
 string-list.h |  3 +++
 2 files changed, 21 insertions(+)

diff --git a/string-list.c b/string-list.c
index aabb25e..8c3a4eb 100644
--- a/string-list.c
+++ b/string-list.c
@@ -1,6 +1,24 @@
 #include "cache.h"
 #include "string-list.h"
 
+void string_list_init_nodup(struct string_list *list)
+{
+	list->items = NULL;
+	list->nr = 0;
+	list->alloc = 0;
+	list->strdup_strings = 0;
+	list->cmp = NULL;
+}
+
+void string_list_init_dup(struct string_list *list)
+{
+	list->items = NULL;
+	list->nr = 0;
+	list->alloc = 0;
+	list->strdup_strings = 1;
+	list->cmp = NULL;
+}
+
 /* if there is no exact match, point to the index where the entry could be
  * inserted */
 static int get_entry_index(const struct string_list *list, const char *string,
diff --git a/string-list.h b/string-list.h
index de6769c..8ae3376 100644
--- a/string-list.h
+++ b/string-list.h
@@ -18,6 +18,9 @@ struct string_list {
 #define STRING_LIST_INIT_NODUP { NULL, 0, 0, 0 }
 #define STRING_LIST_INIT_DUP   { NULL, 0, 0, 1 }
 
+void string_list_init_nodup(struct string_list *list);
+void string_list_init_dup(struct string_list *list);
+
 void print_string_list(const struct string_list *p, const char *text);
 void string_list_clear(struct string_list *list, int free_util);
 
-- 
1.9.0.GIT

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