[hackers] [sbase] Properly parse numbers in od(1) || FRIGN

[git]

commit ecb351f1d58f0be6bbaea73786b1c9a1b9d16151
Author:     FRIGN <d...@frign.de>
AuthorDate: Mon Oct 26 12:52:14 2015 +0100
Commit:     sin <s...@2f30.org>
CommitDate: Mon Oct 26 11:55:41 2015 +0000

    Properly parse numbers in od(1)
    
    Previously, it'd drop right through in the number case and return
    crazy-long numbers (like 28 for L), resulting in unexpected behaviour.

diff --git a/od.c b/od.c
index 0c361e2..4b3023b 100644
--- a/od.c
+++ b/od.c
@@ -224,11 +224,10 @@ main(int argc, char *argv[])
                        case 'x':
                                t->format = *s;
                                /* todo: allow multiple digits */
-                               if (*(s+1) > '0' || *(s+1) <= '9') {
-                                       t->len = *(s+1) - '0';
-                                       s++;
+                               if (*(s+1) > '0' && *(s+1) <= '9') {
+                                       t->len = *(++s) - '0';
                                } else {
-                                       switch (*(s + 1)) {
+                                       switch (*(++s)) {
                                        case 'C':
                                                t->len = sizeof(char);
                                                break;