From abeb649619d29c1a96d00bda2ec5c025b68dd765 Mon Sep 17 00:00:00 2001 From: Mark Andrews Date: Sat, 23 Jun 2012 18:21:52 +1000 Subject: [PATCH] check fwrite results --- lib/dns/tests/rbt_test.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/lib/dns/tests/rbt_test.c b/lib/dns/tests/rbt_test.c index ac58b971f7..1611091586 100644 --- a/lib/dns/tests/rbt_test.c +++ b/lib/dns/tests/rbt_test.c @@ -115,8 +115,13 @@ write_data(FILE *file, unsigned char *datap, isc_uint32_t serial) { : (char *)(where + sizeof(data_holder_t))); ret = fwrite(&temp, sizeof(data_holder_t), 1, file); - if (data->len > 0) + if (ret != 1) + return (ISC_R_FAILURE); + if (data->len > 0) { ret = fwrite(data->data, data->len, 1, file); + if (ret != 1) + return (ISC_R_FAILURE); + } return (ISC_R_SUCCESS); }