Add a new field 'offset' to the struct query_args, fix the API and th…

…e usage by apropos.

apropos-utils.c

@@ -537,7 +537,7 @@ run_query(sqlite3 *db, const char *snippet_args[3], query_args *args)
 	*  number of rows
 	*/
 	if (nrec) {
-		easprintf(&temp, "LIMIT %s OFFSET 0", nrec);
+		easprintf(&temp, "LIMIT %s OFFSET %d", nrec, args->offset);
 		concat(&sqlstr, temp, strlen(temp));
 		free(temp);
 		free(nrec);

apropos-utils.h

@@ -66,6 +66,7 @@ typedef struct query_args {
 	const char *search_str;		// user query
 	const char **sec_nums;		// Section in which to do the search
 	int nrec;			// number of records to fetch
+	int offset;		//From which position to start processing the records
 	int (*callback) (void *, int, char **, char **);	// The callback function
 	void *callback_data;	// data to pass to the callback function
 	char **errmsg;		// buffer for storing the error msg

apropos.c

@@ -143,6 +143,7 @@ main(int argc, char *argv[])
 	args.search_str = query;
 	args.sec_nums = aflags.sec_nums;
 	args.nrec = nrec;
+	args.offset = 0;
 	args.callback = &query_callback;
 	args.callback_data = out;
 	args.errmsg = &errmsg;