librecrypt_wipe_str.c


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/* See LICENSE file for copyright and license details. */
#include "common.h"
#ifndef TEST


extern inline void librecrypt_wipe_str(char *string);


#else


#define CHECK(TEXT)\
	do {\
		memset(buf, 0, sizeof(buf));\
		stpcpy(buf, (TEXT));\
		assert(!strcmp(buf, (TEXT)));\
		librecrypt_wipe_str(buf);\
		for (i = 0u; i < sizeof(buf); i++)\
			EXPECT(!buf[i]);\
	} while (0)


int
main(void)
{
	char buf[64u];
	size_t i;

	SET_UP_ALARM();

	/* Check NULL is supported */
	librecrypt_wipe_str(NULL);

	/* Check normal cases */
	CHECK("");
	CHECK("hello");
	CHECK("hello developer");
	CHECK("  hello developer  ");
	CHECK("\1  hello developer  \1");

	return 0;
}


#endif