Index: ChangeLog
===================================================================
RCS file: /var/cvs/parted/ChangeLog,v
retrieving revision 1.1.1.3
retrieving revision 1.5
diff -u -r1.1.1.3 -r1.5
--- ChangeLog	13 Mar 2002 06:48:06 -0000	1.1.1.3
+++ ChangeLog	13 Mar 2002 12:47:41 -0000	1.5
@@ -8,6 +8,11 @@
 1.5.x
 -----------------------------------------------------------------------------
 
+2002-03-13  Timshel Knoll  <address@hidden>
+* parted/ui.c (command_line_get_sector): allow the user to specify partition
+  start/end relative to the end of the device, this is done by specifying a
+  negative value as the start/end of the partition.
+
 2002-03-11  Andrew Clausen <address@hidden>
 * libparted/linux.c (_flush_cache): only flush partition devices if they
   aren't mounted.
Index: parted/ui.c
===================================================================
RCS file: /var/cvs/parted/parted/ui.c,v
retrieving revision 1.1.1.2
retrieving revision 1.2
diff -u -r1.1.1.2 -r1.2
--- parted/ui.c	13 Mar 2002 06:45:34 -0000	1.1.1.2
+++ parted/ui.c	13 Mar 2002 07:00:37 -0000	1.2
@@ -506,14 +506,25 @@
 	char		def_str [16];
 	char*		input;
 	long double	input_double;
-	int		valid;
+	int		valid, i, negate = 0;
 
 	snprintf (def_str, 16, "%.4f", (float) def / MEGABYTE_SECTORS);
 	input = command_line_get_word (prompt, def ? def_str : NULL, NULL, 1);
 	if (!input)
 		return 0;
-	valid = sscanf (input, "%Lf", &input_double);
+	for (i = 0; input[i] != '\0' && isspace (input[i]); i++)
+		;
+	if (input[i] == '-')
+		negate = 1;
+	   
+	valid = sscanf (input + i, "%Lf", &input_double);
 	*result = (PedSector) (input_double * MEGABYTE_SECTORS);
+
+	/* Unfortunately, we can't simply use "if (*result < 0)" here, since
+	 * result may have been entered as "-0". It would save some kludge
+	 * if there was another way to do this ... */
+	if (negate)
+		*result += dev->length;
 
 	/* don't be too pedantic about "outside disk" errors */
 	if (*result > dev->length - 1 && *result < dev->length * 1.01)