CHG; syntax suger

diff --git a/common/iso15693tools.c b/common/iso15693tools.c
index 01fe48894504af4052eade08517227c038187765..985e4949bee59def85a8341773be553185e37a4c 100644 (file)
--- a/common/iso15693tools.c
+++ b/common/iso15693tools.c
@@ -51,8 +51,8 @@ int sprintf(char *str, const char *format, ...);
 //             target    char* buffer, where to put the UID, if NULL a static buffer is returned
 //             uid[]           the UID in transmission order
 //     return: ptr to string
 //             target    char* buffer, where to put the UID, if NULL a static buffer is returned
 //             uid[]           the UID in transmission order
 //     return: ptr to string

-char* Iso15693sprintUID(char *target,uint8_t *uid) {
-       static char tempbuf[2*8+1] = "";
+char* Iso15693sprintUID(char *target, uint8_t *uid) {
+       static char tempbuf[2*8+1] = {0};

        if (target==NULL) target=tempbuf;
        sprintf(target,"%02X%02X%02X%02X%02X%02X%02X%02X",
                                uid[7],uid[6],uid[5],uid[4],uid[3],uid[2],uid[1],uid[0]);
        if (target==NULL) target=tempbuf;
        sprintf(target,"%02X%02X%02X%02X%02X%02X%02X%02X",
                                uid[7],uid[6],uid[5],uid[4],uid[3],uid[2],uid[1],uid[0]);