diff options
| -rw-r--r-- | tests/test-qdist.c | 10 | ||||
| -rw-r--r-- | util/qdist.c | 6 |
2 files changed, 12 insertions, 4 deletions
diff --git a/tests/test-qdist.c b/tests/test-qdist.c index 0298986ac9..9541ce31eb 100644 --- a/tests/test-qdist.c +++ b/tests/test-qdist.c @@ -360,10 +360,16 @@ static void test_none(void) g_assert(isnan(qdist_xmax(&dist))); pr = qdist_pr_plain(&dist, 0); - g_assert(pr == NULL); + g_assert_cmpstr(pr, ==, "(empty)"); + g_free(pr); pr = qdist_pr_plain(&dist, 2); - g_assert(pr == NULL); + g_assert_cmpstr(pr, ==, "(empty)"); + g_free(pr); + + pr = qdist_pr(&dist, 0, QDIST_PR_BORDER); + g_assert_cmpstr(pr, ==, "(empty)"); + g_free(pr); qdist_destroy(&dist); } diff --git a/util/qdist.c b/util/qdist.c index e95722b8a1..5f75e24c29 100644 --- a/util/qdist.c +++ b/util/qdist.c @@ -14,6 +14,8 @@ #define NAN (0.0 / 0.0) #endif +#define QDIST_EMPTY_STR "(empty)" + void qdist_init(struct qdist *dist) { dist->entries = g_new(struct qdist_entry, 1); @@ -233,7 +235,7 @@ char *qdist_pr_plain(const struct qdist *dist, size_t n) char *ret; if (dist->n == 0) { - return NULL; + return g_strdup(QDIST_EMPTY_STR); } qdist_bin__internal(&binned, dist, n); ret = qdist_pr_internal(&binned); @@ -308,7 +310,7 @@ char *qdist_pr(const struct qdist *dist, size_t n_bins, uint32_t opt) GString *s; if (dist->n == 0) { - return NULL; + return g_strdup(QDIST_EMPTY_STR); } s = g_string_new(""); |