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tests/fault_handler: Suppress cppcheck errors

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This code is supposed to hit the null pointer.

tests/fault_handler/main.c:43: error (nullPointer): Null pointer dereference: (volatile unsigned int*)(0x00000000u)
tests/fault_handler/main.c:44: error (nullPointer): Null pointer dereference: (volatile unsigned int*)(0x00000000u)
This commit is contained in:
Erik Ekman 2021-11-25 11:03:58 +01:00
parent e5d60176e4
commit 46f599c1a9
1 changed files with 5 additions and 2 deletions
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7
tests/fault_handler/main.c
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@ -36,11 +36,14 @@
int main(void) int main(void)
{ {
puts("Fault handler test application"); puts("Fault handler test application");
printf("This application will crash by attempting to write to address 0x%08x\n", FORBIDDEN_ADDRESS); printf("This application will crash by attempting to write to address 0x%08x\n",
FORBIDDEN_ADDRESS);
puts("Waiting 1 second before crashing..."); puts("Waiting 1 second before crashing...");
xtimer_usleep(1000000lu); xtimer_usleep(1000000lu);
puts("Write to forbidden address " PRINT_MACRO(FORBIDDEN_ADDRESS)); puts("Write to forbidden address " PRINT_MACRO(FORBIDDEN_ADDRESS));
/* cppcheck-suppress nullPointer */
*((volatile unsigned int *) FORBIDDEN_ADDRESS) = 12345u; *((volatile unsigned int *) FORBIDDEN_ADDRESS) = 12345u;
/* cppcheck-suppress nullPointer */
unsigned int readback = *((volatile unsigned int *) FORBIDDEN_ADDRESS); unsigned int readback = *((volatile unsigned int *) FORBIDDEN_ADDRESS);
printf("readback: 0x%08x\n", readback); printf("readback: 0x%08x\n", readback);
puts("We did not expect the application to survive the previous write."); puts("We did not expect the application to survive the previous write.");
@ -48,6 +51,6 @@ int main(void)
puts(PRINT_MACRO(INVALID_INSTRUCTION)); puts(PRINT_MACRO(INVALID_INSTRUCTION));
INVALID_INSTRUCTION; INVALID_INSTRUCTION;
puts("Failed to crash the program, hanging..."); puts("Failed to crash the program, hanging...");
while(1) {} while (1) {}
return 0; return 0;
} }