Index: ossp-pkg/var/var.c
RCS File: /v/ossp/cvs/ossp-pkg/var/var.c,v
rcsdiff -q -kk '-r1.56' '-r1.57' -u '/v/ossp/cvs/ossp-pkg/var/var.c,v' 2>/dev/null
--- var.c	2001/12/17 10:29:43	1.56
+++ var.c	2001/12/17 12:57:46	1.57
@@ -2020,7 +2020,7 @@
 
     /* Argument sanity checks */
     if (input_buf == NULL || input_len == 0 ||
-        result == NULL || result_len == NULL ||
+        result == NULL ||
         lookup == NULL)
         return VAR_ERR_INVALID_ARGUMENT;
 
@@ -2060,7 +2060,8 @@
 
         /* Provide results */
         *result = (char *)output.begin;
-        *result_len = output.end - output.begin;
+        if (result_len != NULL)
+            *result_len = output.end - output.begin;
 
         /* canonify all positive answers */
         rc = VAR_OK;
@@ -2068,7 +2069,8 @@
     else {
         /* Provide error results */
         *result = (char *)input_buf;
-        *result_len = output.end - output.begin; /* FIXME */
+        if (result_len != NULL)
+            *result_len = output.end - output.begin;
     }
 
     return rc;
Index: ossp-pkg/var/var.pod
RCS File: /v/ossp/cvs/ossp-pkg/var/var.pod,v
rcsdiff -q -kk '-r1.16' '-r1.17' -u '/v/ossp/cvs/ossp-pkg/var/var.pod,v' 2>/dev/null
--- var.pod	2001/12/17 10:29:43	1.16
+++ var.pod	2001/12/17 12:57:46	1.17
@@ -180,7 +180,8 @@
 buffer will be stored. If var_expand() fails with an error -- with the
 exception of VAR_ERR_INVALID_ARGUMENT and VAR_ERR_OUT_OF_MEMORY --,
 "result_len" will contain the number of characters that have been
-consumed from "input" before the error occured.
+consumed from "input" before the error occured. This argument can be
+NULL if the application is not interested in this information.
 
 =item var_cb_t lookup