X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/6b882a3918590b9c0f45643323adae9862eedde5..0d2624a0cc13dbe34392da1f8495af6c64a84ddb:/client/util.c

diff --git a/client/util.c b/client/util.c
index 242a8a28..dec7c5a1 100644
--- a/client/util.c
+++ b/client/util.c
@@ -16,6 +16,7 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <time.h>
+#include <stdarg.h>
 
 #ifdef _WIN32
 #include <windows.h>
@@ -139,6 +140,17 @@ int FillBuffer(uint8_t *data, size_t maxDataLength, size_t *dataLength, ...) {
 	return 0;
 }
 
+bool CheckStringIsHEXValue(const char *value) {
+	for (int i = 0; i < strlen(value); i++)
+		if (!isxdigit(value[i]))
+			return false;
+
+	if (strlen(value) % 2)
+		return false;
+	
+	return true;
+}
+
 void hex_to_buffer(const uint8_t *buf, const uint8_t *hex_data, const size_t hex_len, const size_t hex_max_len, 
 	const size_t min_str_len, const size_t spaces_between, bool uppercase) {