1 files changed, 163 insertions, 0 deletions
diff --git a/libmailutils/mailcap/fields.c b/libmailutils/mailcap/fields.c
new file mode 100644
index 000000000..d73efcc5a
--- /dev/null
+++ b/libmailutils/mailcap/fields.c
@@ -0,0 +1,163 @@
+/* GNU Mailutils -- a suite of utilities for electronic mail
+   Copyright (C) 1999-2019 Free Software Foundation, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 3 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General
+   Public License along with this library.  If not, see
+   <http://www.gnu.org/licenses/>. */
+
+#include <config.h>
+#include <stdlib.h>
+#include <mailutils/assoc.h>
+#include <mailutils/sys/mailcap.h>
+
+void
+mu_mailcap_entry_field_deallocate (void *ptr)
+{
+  struct mailcap_field *flg = ptr;
+  if (flg->type == fld_string)
+    free (flg->strval);
+  free (flg);
+}
+
+int
+mu_mailcap_entry_set_bool (mu_mailcap_entry_t ent, char const *name)
+{
+  struct mailcap_field *fp, **fpp;
+  int rc;
+
+  if (!ent || !name)
+    return EINVAL;
+
+  rc = mu_assoc_install_ref (ent->fields, name, (void *)&fpp);
+  switch (rc)
+    {
+    case 0:
+      fp = malloc (sizeof (*fp));
+      if (!fp)
+	return ENOMEM;
+      fp->type = fld_bool;
+      *fpp = fp;
+      break;
+
+    case MU_ERR_EXISTS:
+      fp = *fpp;
+      if (fp->type == fld_string)
+	{
+	  free (fp->strval);
+	  fp->strval = NULL;
+	  fp->type = fld_bool;
+	}
+      break;
+    }
+
+  return rc;
+}
+
+int
+mu_mailcap_entry_set_string (mu_mailcap_entry_t ent, char const *name,
+			     char const *value)
+{
+  struct mailcap_field *fp, **fpp;
+  int rc;
+  char *copy;
+
+  if (!ent || !name || !value)
+    return EINVAL;
+
+  rc = mu_assoc_install_ref (ent->fields, name, (void *)&fpp);
+  switch (rc)
+    {
+    case 0:
+      fp = malloc (sizeof (*fp));
+      if (!fp)
+	return ENOMEM;
+      fp->strval = strdup (value);
+      if (!fp->strval)
+	{
+	  free (fp);
+	  return ENOMEM;
+	}
+      fp->type = fld_string;
+      *fpp = fp;
+      break;
+
+    case MU_ERR_EXISTS:
+      copy = strdup (value);
+      if (!copy)
+	return ENOMEM;
+
+      fp = *fpp;
+      if (fp->type == fld_string)
+	free (fp->strval);
+      else
+	fp->type = fld_string;
+      fp->strval = copy;
+      break;
+    }
+
+  return rc;
+}
+
+int
+mu_mailcap_entry_field_unset (mu_mailcap_entry_t ent, char const *name)
+{
+  if (!ent || !name)
+    return EINVAL;
+  return mu_assoc_remove (ent->fields, name);
+}
+
+int
+mu_mailcap_entry_fields_count (mu_mailcap_entry_t ent, size_t *pcount)
+{
+  if (!ent)
+    return EINVAL;
+  return mu_assoc_count (ent->fields, pcount);
+}
+
+struct fields_iter_closure
+{
+  int (*action) (char const *, char const *, void *);
+  void *data;
+};
+
+static int
+fields_iter_action (char const *name, void *item, void *data)
+{
+  struct mailcap_field *flg = item;
+  struct fields_iter_closure *clos = data;
+  return clos->action (name, flg->type == fld_string ? flg->strval : NULL,
+		       clos->data);
+}
+
+int
+mu_mailcap_entry_fields_foreach (mu_mailcap_entry_t ent,
+			      int (*action) (char const *, char const *, void *),
+			      void *data)
+{
+  struct fields_iter_closure clos;
+  if (!ent || !action)
+    return EINVAL;
+  clos.action = action;
+  clos.data = data;
+  return mu_assoc_foreach (ent->fields, fields_iter_action, &clos);
+}
+
+int
+mu_mailcap_entry_fields_get_iterator (mu_mailcap_entry_t ent, mu_iterator_t *pitr)
+{
+  if (!ent)
+    return EINVAL;
+  if (!pitr)
+    return MU_ERR_OUT_PTR_NULL;
+  return mu_assoc_get_iterator (ent->fields, pitr);
+}