unfinished work

src/maat_utils.cpp

@@ -0,0 +1,35 @@
+/*
+**********************************************************************************************
+*	File: maat_utils.cpp
+*   Description:
+*	Authors: Liu WenTan <liuwentan@geedgenetworks.com>
+*	Date:    2022-10-31
+*   Copyright: (c) 2018-2022 Geedge Networks, Inc. All rights reserved.
+***********************************************************************************************
+*/
+
+#include "maat_utils.h"
+
+int get_column_pos(sds line, int column_seq, size_t *offset, size_t *len)
+{
+	const char* seps=" \t";
+	char* saveptr=NULL, *subtoken=NULL, *str=NULL;
+	sds dup_line = sdsdup(line);
+	int i=0, ret=-1;
+	for (str = dup_line; ; str = NULL)
+	{
+		subtoken = strtok_r(str, seps, &saveptr);
+		if (subtoken == NULL)
+			break;
+		if(i==column_seq-1)
+		{
+			*offset=subtoken-dup_line;
+			*len=strlen(subtoken);
+			ret=0;
+			break;
+		}
+		i++;
+	}
+	free(dup_line);
+	return ret;
+}