hexdump: accept hex numbers in -n, closes 16195

function                                             old     new   delta
hexdump_main                                         366     383     +17

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

1 files changed, 8 insertions, 3 deletions

diff --git a/util-linux/hexdump.c b/util-linux/hexdump.c
index c46ffeca7..5a938e783 100644
--- a/util-linux/hexdump.c
+++ b/util-linux/hexdump.c
@@ -127,15 +127,20 @@ int hexdump_main(int argc, char **argv)
                 if (ch == 'f') {
                         bb_dump_addfile(dumper, optarg);
                 } /* else */
-                if (ch == 'n') {
-                        dumper->dump_length = xatoi_positive(optarg);
+                if (ch == 'n') { /* compat: -n accepts hex numbers too */
+                        dumper->dump_length = xstrtou_range_sfx(
+                                optarg,
+                                /*base:*/ 0,
+                                /*lo:*/ 0, /*hi:*/ INT_MAX,
+                                kmg_i_suffixes
+                        );
                 } /* else */
                 if (ch == 's') { /* compat: -s accepts hex numbers too */
                         dumper->dump_skip = xstrtoull_range_sfx(
                                 optarg,
                                 /*base:*/ 0,
                                 /*lo:*/ 0, /*hi:*/ OFF_T_MAX,
-                                bkm_suffixes
+                                kmg_i_suffixes
                         );
                 } /* else */
                 if (ch == 'v') {