1 files changed, 44 insertions, 0 deletions
diff --git a/Lib/guile/ports.i b/Lib/guile/ports.i
new file mode 100644
index 000000000..3741070b0
--- /dev/null
+++ b/Lib/guile/ports.i
@@ -0,0 +1,44 @@
+/* ports.i --- Guile typemaps for handling ports -*- c -*-
+   Copyright (C) 2000 Matthias Koeppe <mkoeppe@mail.math.uni-magdeburg.de>
+
+   $Header$
+*/
+
+%{
+  #ifndef _POSIX_SOURCE
+  /* This is needed on Solaris for fdopen(). */
+  #  define _POSIX_SOURCE=199506L
+  #endif
+  #include <stdio.h>
+  #include <errno.h>
+%}
+
+/* Feed FILE * arguments from file ports */
+
+%typemap(guile, in) FILE *
+{
+  if(!(SCM_FPORTP($source)))
+    scm_wrong_type_arg("$name", $argnum, $source);
+  else {
+    int fd;
+    if (SCM_OUTPUT_PORT_P($source))
+      scm_force_output($source);
+    fd=dup(SCM_FPORT_FDES($source));
+    if(fd==-1) 
+      scm_misc_error("$name", strerror(errno), SCM_EOL);
+    $target=fdopen(fd,
+		   SCM_OUTPUT_PORT_P($source)
+		   ? (SCM_INPUT_PORT_P($source)
+		      ? "rw" : "w")
+		   : "r");
+    if($target==NULL)
+      scm_misc_error("$name", strerror(errno), SCM_EOL);
+  }
+}
+
+%typemap(guile, indoc) FILE * "($arg <port>)";
+
+%typemap(guile, freearg) FILE* {
+  fclose($target);
+}
+