From e60683a0d553b6488c564863f4e48954944fb0f8 Mon Sep 17 00:00:00 2001
From: bigbiff bigbiff <bigbiff@teamw.in>
Date: Fri, 22 Feb 2013 20:55:50 -0500
Subject: use libblkid to get filesystem type we can now use libblkid to detect
 exfat

---
 libblkid/xgetpass.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 libblkid/xgetpass.c

(limited to 'libblkid/xgetpass.c')

diff --git a/libblkid/xgetpass.c b/libblkid/xgetpass.c
new file mode 100644
index 000000000..ba2089470
--- /dev/null
+++ b/libblkid/xgetpass.c
@@ -0,0 +1,46 @@
+/*
+ * A function to read the passphrase either from the terminal or from
+ * an open file descriptor.
+ *
+ * Public domain.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <sys/stat.h>
+
+#include "c.h"
+#include "xgetpass.h"
+
+char *xgetpass(int pfd, const char *prompt)
+{
+	char *pass = NULL;
+	int len = 0, i;
+
+        if (pfd < 0) /* terminal */
+		return getpass(prompt);
+
+	for (i=0; ; i++) {
+		if (i >= len-1) {
+			char *tmppass = pass;
+			len += 128;
+
+			pass = realloc(tmppass, len);
+			if (!pass) {
+				pass = tmppass; /* the old buffer hasn't changed */
+				break;
+			}
+		}
+		if (pass && (read(pfd, pass + i, 1) != 1 ||
+			     pass[i] == '\n' || pass[i] == 0))
+			break;
+	}
+
+	if (pass)
+		pass[i] = '\0';
+	return pass;
+}
+
-- 
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