hexedit: code shrink

function                                             old     new   delta
hexedit_main                                        1171    1170      -1

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 9 insertions, 10 deletions

diff --git a/miscutils/hexedit.c b/miscutils/hexedit.c
index 8334181c7..bafb834b5 100644
--- a/miscutils/hexedit.c
+++ b/miscutils/hexedit.c
@@ -432,28 +432,27 @@ int hexedit_main(int argc UNUSED_PARAM, char **argv)
                                 printf(ESC"[999;1H" CLEAR_TILL_EOL); /* go to last line */
                                 if (read_line_input(NULL, "Go to (dec,0Xhex,0oct): ", buf, sizeof(buf)) > 0) {
                                         off_t t;
-                                        unsigned pgmask;
+                                        unsigned cursor;
 
                                         t = bb_strtoull(buf, NULL, 0);
                                         if (t >= G.size)
                                                 t = G.size - 1;
-                                        pgmask = G_pagesize - 1;
-                                        cnt = t & pgmask;
-                                        t = t & ~(off_t)pgmask;
+                                        cursor = t & (G_pagesize - 1);
+                                        t -= cursor;
                                         if (t < 0)
-                                                cnt = t = 0;
-                                        if (t != 0 && cnt < 0x1ff) {
+                                                cursor = t = 0;
+                                        if (t != 0 && cursor < 0x1ff) {
                                                 /* very close to end of page, possibly to EOF */
                                                 /* move one page lower */
                                                 t -= G_pagesize;
-                                                cnt += G_pagesize;
+                                                cursor += G_pagesize;
                                         }
                                         G.offset = t;
-                                        remap(cnt);
-                                        redraw(cnt);
+                                        remap(cursor);
+                                        redraw(cursor);
                                         break;
                                 }
-                                /* EOF/error on input: fall through to exiting */
+                                /* ^C/EOF/error: fall through to exiting */
                         }
                 case CTRL('X'):
                         restore_term();