fluidsynth/test/test_snprintf.c

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#include "test.h"
#include "utils/fluid_sys.h"
// this test makes sure FLUID_SNPRINTF uses a proper C99 compliant implementation
int main(void)
{
char buf[2 + 1];
int ret = FLUID_SNPRINTF(buf, sizeof(buf), "99");
TEST_ASSERT(ret == 2);
TEST_ASSERT(buf[2] == '\0');
ret = FLUID_SNPRINTF(buf, sizeof(buf), "999");
TEST_ASSERT(ret == 3);
// output truncated, buffer must be NULL terminated!
TEST_ASSERT(buf[2] == '\0');
return EXIT_SUCCESS;
}