+
+/* Parse size parameter of alloc command. */
+static int
+parse_size (const char *str, off_t *size_rtn)
+{
+ uint64_t size;
+ char type;
+
+ /* Note that the parsing here is looser than what is specified in the
+ * help, but we may tighten it up in future so beware.
+ */
+ if (sscanf (str, "%"SCNu64"%c", &size, &type) == 2) {
+ switch (type) {
+ case 'k': case 'K': size *= 1024; break;
+ case 'm': case 'M': size *= 1024 * 1024; break;
+ case 'g': case 'G': size *= 1024 * 1024 * 1024; break;
+ case 's': size *= 512; break;
+ default:
+ fprintf (stderr, "could not parse size specification '%s'\n", str);
+ return -1;
+ }
+ }
+ else if (sscanf (str, "%"SCNu64, &size) == 1)
+ size *= 1024;
+ else {
+ fprintf (stderr, "could not parse size specification '%s'\n", str);
+ return -1;
+ }
+
+ printf ("size = %lu\n", size);
+
+ /* XXX 32 bit file offsets, if anyone uses them? GCC should give
+ * a warning here anyhow.
+ */
+ *size_rtn = size;
+
+ return 0;
+}