# HG changeset patch
# User Rob Landley <rob@landley.net>
# Date 1216377824 18000
# Node ID 8b8116214b1ca89b20ce715be78eb3a409eb74a8
# Parent  79a61cd58596a207db711c921c396a1770da5e4f
Roberto Foglietta pointed out that readall() needs fdlength() to restore
the original position before exiting.

diff -r 79a61cd58596 -r 8b8116214b1c lib/lib.c
--- a/lib/lib.c	Fri Jul 18 04:15:59 2008 -0500
+++ b/lib/lib.c	Fri Jul 18 05:43:44 2008 -0500
@@ -474,7 +474,7 @@
 // Return how long the file at fd is, if there's any way to determine it.
 off_t fdlength(int fd)
 {
-	off_t bottom = 0, top = 0, pos;
+	off_t bottom = 0, top = 0, pos, old;
 	int size;
 
 	// If the ioctl works for this, return it.
@@ -485,6 +485,7 @@
 	// block devices don't do BLKGETSIZE right.)  This should probably have
 	// a CONFIG option...
 
+	old = lseek(fd, 0, SEEK_CUR);
 	do {
 		char temp;
 
@@ -506,6 +507,8 @@
 		}
 	} while (bottom + 1 != top);
 
+	lseek(fd, old, SEEK_SET);
+
 	return pos + 1;
 }