X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=tfc_misc.c;h=f55726ac897974471b33f9ad4422bc4463ddccfe;hb=f761a53231d1a023e2d3e5efcc5591b04a34f98a;hp=d1bb78368d2126bfa1a1b411178b1b79561a6d9f;hpb=efa545d64b910923248233618e774ca3b87efebb;p=tfcrypt.git

diff --git a/tfc_misc.c b/tfc_misc.c
index d1bb783..f55726a 100644
--- a/tfc_misc.c
+++ b/tfc_misc.c
@@ -2,7 +2,7 @@
  * tfcrypt -- high security Threefish encryption tool.
  *
  * tfcrypt is copyrighted:
- * Copyright (C) 2012-2018 Andrey Rys. All rights reserved.
+ * Copyright (C) 2012-2019 Andrey Rys. All rights reserved.
  *
  * tfcrypt is licensed to you under the terms of std. MIT/X11 license:
  *
@@ -100,14 +100,23 @@ tfc_fsize tfc_fdsize(int fd)
 
 	cur = lseek(fd, 0L, SEEK_CUR);
 	l = lseek(fd, 0L, SEEK_SET);
-	if (l == -1) return -1;
+	if (l == -1) return NOFSIZE;
 	l = lseek(fd, 0L, SEEK_END);
-	if (l == -1) return -1;
+	if (l == -1) return NOFSIZE;
 	lseek(fd, cur, SEEK_SET);
 
 	return (tfc_fsize)l;
 }
 
+tfc_fsize tfc_fdgetpos(int fd)
+{
+	off_t t;
+
+	t = lseek(fd, 0L, SEEK_CUR);
+	if (t == -1) return NOFSIZE;
+	return (tfc_fsize)t;
+}
+
 tfc_fsize tfc_fnamesize(char *fname, tfc_yesno noexit)
 {
 	int fnmfd;