New subroutine PSPP::Dict::get_var_by_name

[pspp-builds.git] / perl-module / PSPP.xs

diff --git a/perl-module/PSPP.xs b/perl-module/PSPP.xs
index de5cbf7b0a8eef5be89c3f08244d4a7494436c24..3b3dcceff82d275d55fd76986836f0044b30baac 100644 (file)
--- a/perl-module/PSPP.xs
+++ b/perl-module/PSPP.xs
@@ -273,6 +273,23 @@ CODE:
  OUTPUT:
 RETVAL
 
+
+struct variable *
+pxs_get_var_by_name (dict, name)
+ struct dictionary *dict
+ const char *name
+INIT:
+ SV *errstr = get_sv("PSPP::errstr", TRUE);
+ sv_setpv (errstr, "");
+CODE:
+ struct variable *var = dict_lookup_var (dict, name);
+ if ( ! var )
+      sv_setpv (errstr, "No such variable.");
+ RETVAL = var;
+ OUTPUT:
+RETVAL
+
+
 MODULE = PSPP          PACKAGE = PSPP::Var