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canfdtest: print_frame(): add missing cast to uint8_t to avoid overruns 

While there, use cast in compare_frame(), too.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
pull/224/head
Marc Kleine-Budde 2020-04-02 10:57:43 +02:00
parent ff3d0e0d05
commit aa5386f1cb
1 changed files with 3 additions and 2 deletions
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5
canfdtest.c
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@ -28,6 +28,7 @@
#include <sched.h> #include <sched.h>
#include <limits.h> #include <limits.h>
#include <errno.h> #include <errno.h>
#include <stdint.h>
#include <sys/types.h> #include <sys/types.h>
#include <sys/time.h> #include <sys/time.h>
@ -86,7 +87,7 @@ static void print_frame(const struct can_frame *frame, int inc)
} else { } else {
printf("[%d]", frame->can_dlc); printf("[%d]", frame->can_dlc);
for (i = 0; i < frame->can_dlc; i++) for (i = 0; i < frame->can_dlc; i++)
printf(" %02x", frame->data[i] + inc); printf(" %02x", (uint8_t)(frame->data[i] + inc));
} }
printf("\n"); printf("\n");
} }
@ -113,7 +114,7 @@ static void compare_frame(struct can_frame *exp, struct can_frame *rec, int inc)
running = 0; running = 0;
} else { } else {
for (i = 0; i < rec->can_dlc; i++) { for (i = 0; i < rec->can_dlc; i++) {
if (rec->data[i] != ((exp->data[i] + inc) & 0xff)) { if (rec->data[i] != (uint8_t)(exp->data[i] + inc)) {
printf("Databyte %x mismatch!\n", i); printf("Databyte %x mismatch!\n", i);
print_compare(exp, print_compare(exp,
rec, inc); rec, inc);