Add mimetypes library.

Ported from GNU Mailutils.

1 files changed, 95 insertions, 0 deletions

diff --git a/mimetypes/locus.c b/mimetypes/locus.c
new file mode 100644
index 0000000..e3eba86
--- /dev/null
+++ b/mimetypes/locus.c
@@ -0,0 +1,95 @@
+/* This file is part of fileserv.
+   Copyright (C) 2017, 2018 Sergey Poznyakoff
+
+   Fileserv is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3, or (at your option)
+   any later version.
+
+   Fileserv 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with fileserv.  If not, see <http://www.gnu.org/licenses/>. */
+
+#include <stdlib.h>
+#include <errno.h>
+#include "locus.h"
+
+int
+locus_point_set_file (struct locus_point *pt, const char *filename)
+{
+  int rc;
+  char const *ref;
+
+  rc = ident_ref (filename, &ref);
+  if (rc)
+    return rc;
+  ident_deref (pt->file);
+  pt->file = ref;
+  return 0;
+}
+
+void
+locus_point_init (struct locus_point *pt)
+{
+  memset (pt, 0, sizeof *pt);
+}
+
+void
+locus_point_deinit (struct locus_point *pt)
+{
+  ident_deref (pt->file);
+  memset (pt, 0, sizeof *pt);
+}
+
+int
+locus_point_copy (struct locus_point *dest, struct locus_point const *src)
+{
+  int rc = locus_point_set_file (dest, src->file);
+  if (rc == 0)
+    {
+      dest->col = src->col;
+      dest->line = src->line;
+    }
+  return rc;
+}
+
+void
+locus_range_init (struct locus_range *dest)
+{
+  memset (dest, 0, sizeof *dest);
+}
+
+int
+locus_range_copy (struct locus_range *dest, struct locus_range const *src)
+{
+  int rc;
+  struct locus_range tmp = LOCUS_RANGE_INITIALIZER;
+
+  if (!dest)
+    return EINVAL;
+    
+  rc = locus_point_copy (&tmp.beg, &src->beg);
+  if (rc == 0)
+    {
+      rc = locus_point_copy (&tmp.end, &src->end);
+      if (rc)
+	locus_point_deinit (&tmp.beg);
+      else
+	{
+	  locus_range_deinit (dest);
+	  *dest = tmp;
+	}
+    }
+  return rc;
+}
+
+void
+locus_range_deinit (struct locus_range *lr)
+{
+  locus_point_deinit (&lr->beg);
+  locus_point_deinit (&lr->end);
+}