src/tap/cable/gpio.c (gpio_get_value): Replace read/lseek with pread.

git-svn-id: https://urjtag.svn.sourceforge.net/svnroot/urjtag/trunk@1834 b68d4a1b-bc3d-0410-92ed-d4ac073336b7

urjtag/ChangeLog

@@ -4,6 +4,8 @@
     the gpio value.  Also assume the gpio layer only has a value of '0' or '1'.
     Work by Frans Meulenbroeks.
 
+  * src/tap/cable/gpio.c (gpio_get_value): Replace read/lseek with pread.
+
 2010-08-24  Mike Frysinger  <vapier@gentoo.org>
 
   * src/tap/cable/gpio.c (gpio_get_value): Need to seek back to the start of

urjtag/src/tap/cable/gpio.c

@@ -133,8 +133,7 @@ static int gpio_get_value (int fd, unsigned int gpio)
     ssize_t ret;
     char value;
 
-    ret = read (fd, &value, 1);
-    lseek (fd, 0, SEEK_SET);
+    ret = pread (fd, &value, 1, 0);
 
     if (ret != 1)
     {