From 839b3000a8fb81e62f8ec14cb8366f0f9a0091a0 Mon Sep 17 00:00:00 2001
From: Celine Mercier <celine.mercier@metabarcoding.org>
Date: Fri, 22 Apr 2016 17:08:23 +0200
Subject: [PATCH] Added a function to build indexer names

---
 src/obiblob_indexer.c | 21 +++++++++++++++++++++
 src/obiblob_indexer.h | 15 +++++++++++++++
 2 files changed, 36 insertions(+)

diff --git a/src/obiblob_indexer.c b/src/obiblob_indexer.c
index 9669dfe..c6e69c6 100644
--- a/src/obiblob_indexer.c
+++ b/src/obiblob_indexer.c
@@ -15,6 +15,8 @@
 
 #include "obiblob_indexer.h"
 #include "obidms.h"
+#include "obierrno.h"
+#include "obidebug.h"
 
 
 inline int obi_indexer_exists(OBIDMS_p dms, const char* name);
@@ -31,3 +33,22 @@ inline index_t obi_indexer_add(Obi_indexer_p indexer, Obi_blob_p value);
 
 inline Obi_blob_p obi_indexer_get(Obi_indexer_p indexer, index_t idx);
 
+
+char* obi_build_indexer_name(const char* column_name, obiversion_t column_version)
+{
+	char* indexer_name;
+
+	indexer_name = (char*) malloc(INDEXER_MAX_NAME * sizeof(char));
+	if (indexer_name == NULL)
+	{
+		obi_set_errno(OBI_MALLOC_ERROR);
+		obidebug(1, "\nError allocating the memory for an indexer name");
+		return NULL;
+	}
+
+	strcpy(indexer_name, column_name);
+	sprintf(indexer_name+strlen(column_name), "_%d_indexer", column_version);
+
+	return indexer_name;
+}
+
diff --git a/src/obiblob_indexer.h b/src/obiblob_indexer.h
index 5d7335e..8f411ae 100644
--- a/src/obiblob_indexer.h
+++ b/src/obiblob_indexer.h
@@ -159,5 +159,20 @@ inline Obi_blob_p obi_indexer_get(Obi_indexer_p indexer, index_t idx)
 }
 
 
+/**
+ * @brief Builds an indexer name in the form columnname_columnversion_indexer.
+ *
+ * @param column_name The name of the column associated with the indexer.
+ * @param column_version The version of the column associated with the indexer.
+ *
+ * @returns A pointer on the indexer name built.
+ * @retval NULL if an error occurred.
+ *
+ * @since April 2016
+ * @author Celine Mercier (celine.mercier@metabarcoding.org)
+ */
+char* obi_build_indexer_name(const char* column_name, obiversion_t column_version)
+
+
 #endif /* OBIBLOB_INDEXER_H_ */