Merge branch 'master' of https://github.com/iceman1001/proxmark3

[proxmark3-svn] / client / cmdlfviking.c

diff --git a/client/cmdlfviking.c b/client/cmdlfviking.c
index a338d5a3eed63a6d819016fe4555b4bae4b8cd14..b0fa3aad8a1a85b0eee7d2e93e69072fbc63639c 100644 (file)
--- a/client/cmdlfviking.c
+++ b/client/cmdlfviking.c
@@ -69,7 +69,7 @@ int CmdVikingClone(const char *Cmd) {
        uint64_t rawID = 0;
        bool Q5 = false;
        char cmdp = param_getchar(Cmd, 0);
-       if (strlen(Cmd) < 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_viking_clone();
+       if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_viking_clone();
        
        id = param_get32ex(Cmd, 0, 0, 16);
        if (id == 0) return usage_lf_viking_clone();
@@ -94,7 +94,7 @@ int CmdVikingSim(const char *Cmd) {
        uint8_t clk = 32, encoding = 1, separator = 0, invert = 0;
 
        char cmdp = param_getchar(Cmd, 0);
-       if (strlen(Cmd) < 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_viking_sim();
+       if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_viking_sim();
 
        id = param_get32ex(Cmd, 0, 0, 16);
        if (id == 0) return usage_lf_viking_sim();