From 7d8191b83e163d76bb05e13b373638e4eeb7da95 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= <debian@jff-webhosting.net>
Date: Tue, 2 Dec 2014 20:17:04 +0100
Subject: Initial import of sane-frontends version 1.0.14-9

---
 lib/isfdtype.c | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 lib/isfdtype.c

(limited to 'lib/isfdtype.c')

diff --git a/lib/isfdtype.c b/lib/isfdtype.c
new file mode 100644
index 0000000..8e51516
--- /dev/null
+++ b/lib/isfdtype.c
@@ -0,0 +1,25 @@
+#include "../include/sane/config.h"
+
+#ifndef HAVE_ISFDTYPE
+
+#include <sys/stat.h>
+
+int
+isfdtype(int fd, int fdtype)
+{
+  struct stat st;
+  
+  if (fstat(fd, &st) == -1) return 0; /* couldn't stat fd */
+
+  if (st.st_mode == 0)
+    return 1; /* At least Irix doesn't seem to know socket type */
+#if defined(S_ISSOCK)
+  return S_ISSOCK(st.st_mode) != 0;
+#elif defined(S_IFSOCK) && defined(S_IFMT)
+  return (st.st_mode & S_IFMT) == S_IFSOCK;
+#else
+  return 0;
+#endif
+}
+
+#endif /* !HAVE_ISFDTYPE */
-- 
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