diff options
-rw-r--r-- | lib/igt_stats.c | 4 | ||||
-rw-r--r-- | lib/tests/igt_stats.c | 11 |
2 files changed, 14 insertions, 1 deletions
diff --git a/lib/igt_stats.c b/lib/igt_stats.c index 65c0ac62..67ee9473 100644 --- a/lib/igt_stats.c +++ b/lib/igt_stats.c @@ -23,16 +23,18 @@ */ #include <math.h> +#include <string.h> #include "igt_core.h" #include "igt_stats.h" void igt_stats_init(igt_stats_t *stats, unsigned int capacity) { + memset(stats, 0, sizeof(*stats)); + stats->values = calloc(capacity, sizeof(*stats->values)); igt_assert(stats->values); stats->capacity = capacity; - stats->n_values = 0; } void igt_stats_fini(igt_stats_t *stats) diff --git a/lib/tests/igt_stats.c b/lib/tests/igt_stats.c index f9081c76..f76d3344 100644 --- a/lib/tests/igt_stats.c +++ b/lib/tests/igt_stats.c @@ -25,6 +25,16 @@ #include "igt_core.h" #include "igt_stats.h" +/* Make sure we zero igt_stats_t fields at init() time */ +static void test_init_zero(void) +{ + igt_stats_t stats; + + stats.mean = 1.; + igt_stats_init(&stats, 2); + igt_assert(stats.mean == 0.); +} + static void test_mean(void) { igt_stats_t stats; @@ -103,6 +113,7 @@ static void test_std_deviation(void) igt_simple_main { + test_init_zero(); test_mean(); test_invalidate_mean(); test_std_deviation(); |