dnstap io, cast void unused return value.

diff --git a/dnstap/dnstap_fstrm.c b/dnstap/dnstap_fstrm.c
index 55105ade5b09f24d934c6dcbcf61b364d4800527..cce16e2e4e308511b7f3e275bea2bfbe3eef8679 100644 (file)
--- a/dnstap/dnstap_fstrm.c
+++ b/dnstap/dnstap_fstrm.c
@@ -158,17 +158,17 @@ char* fstrm_describe_control(void* pkt, size_t len)
        }
        frametype = sldns_read_uint32(pkt);
        if(frametype == FSTRM_CONTROL_FRAME_ACCEPT) {
-               sldns_str_print(&str, &slen, "accept");
+               (void)sldns_str_print(&str, &slen, "accept");
        } else if(frametype == FSTRM_CONTROL_FRAME_START) {
-               sldns_str_print(&str, &slen, "start");
+               (void)sldns_str_print(&str, &slen, "start");
        } else if(frametype == FSTRM_CONTROL_FRAME_STOP) {
-               sldns_str_print(&str, &slen, "stop");
+               (void)sldns_str_print(&str, &slen, "stop");
        } else if(frametype == FSTRM_CONTROL_FRAME_READY) {
-               sldns_str_print(&str, &slen, "ready");
+               (void)sldns_str_print(&str, &slen, "ready");
        } else if(frametype == FSTRM_CONTROL_FRAME_FINISH) {
-               sldns_str_print(&str, &slen, "finish");
+               (void)sldns_str_print(&str, &slen, "finish");
        } else {
-               sldns_str_print(&str, &slen, "type%d", (int)frametype);
+               (void)sldns_str_print(&str, &slen, "type%d", (int)frametype);
        }
 
        /* show the content type options */
@@ -178,22 +178,22 @@ char* fstrm_describe_control(void* pkt, size_t len)
                uint32_t field_type = sldns_read_uint32(pos);
                uint32_t field_len = sldns_read_uint32(pos+4);
                if(remain < field_len) {
-                       sldns_str_print(&str, &slen, "malformed_field");
+                       (void)sldns_str_print(&str, &slen, "malformed_field");
                        break;
                }
                if(field_type == FSTRM_CONTROL_FIELD_TYPE_CONTENT_TYPE) {
                        char tempf[512];
-                       sldns_str_print(&str, &slen, " content-type(");
+                       (void)sldns_str_print(&str, &slen, " content-type(");
                        if(field_len < sizeof(tempf)-1) {
                                memmove(tempf, pos+8, field_len);
                                tempf[field_len] = 0;
-                               sldns_str_print(&str, &slen, "%s", tempf);
+                               (void)sldns_str_print(&str, &slen, "%s", tempf);
                        } else {
-                               sldns_str_print(&str, &slen, "<error-too-long>");
+                               (void)sldns_str_print(&str, &slen, "<error-too-long>");
                        }
-                       sldns_str_print(&str, &slen, ")");
+                       (void)sldns_str_print(&str, &slen, ")");
                } else {
-                       sldns_str_print(&str, &slen,
+                       (void)sldns_str_print(&str, &slen,
                                " field(type %u, length %u)",
                                (unsigned int)field_type,
                                (unsigned int)field_len);
@@ -202,7 +202,7 @@ char* fstrm_describe_control(void* pkt, size_t len)
                remain -= (8 + field_len);
        }
        if(remain > 0)
-               sldns_str_print(&str, &slen, " trailing-bytes"
+               (void)sldns_str_print(&str, &slen, " trailing-bytes"
                        "(length %u)", (unsigned int)remain);
        return strdup(buf);
 }