diff options
Diffstat (limited to 'mxget.c')
| -rw-r--r-- | mxget.c | 10 |
1 files changed, 6 insertions, 4 deletions
@@ -68,7 +68,7 @@ struct mxentry *getmxrecords(const char *name) n = res_search(name, C_IN,T_MX, (unsigned char *)&answer, sizeof(answer)); if (n == -1) return((struct mxentry *)NULL); - if (n > sizeof(answer)) + if ((size_t)n > sizeof(answer)) n = sizeof(answer); hp = (HEADER *)&answer; @@ -76,7 +76,7 @@ struct mxentry *getmxrecords(const char *name) eom = answer + n; h_errno = 0; for (qdcount = ntohs(hp->qdcount); qdcount--; cp += n + QFIXEDSZ) - if ((n = dn_skipname(cp, eom)) < 0) + if ((n = dn_skipname((unsigned char *)cp, (unsigned char *)eom)) < 0) return((struct mxentry *)NULL); buflen = sizeof(MXHostBuf) - 1; bp = MXHostBuf; @@ -84,7 +84,8 @@ struct mxentry *getmxrecords(const char *name) ancount = ntohs(hp->ancount); while (--ancount >= 0 && cp < eom) { - if ((n = dn_expand(answer, eom, cp, bp, buflen)) < 0) + if ((n = dn_expand((unsigned char *)answer, (unsigned char *)eom, + (unsigned char *)cp, bp, buflen)) < 0) break; cp += n; GETSHORT(type, cp); @@ -96,7 +97,8 @@ struct mxentry *getmxrecords(const char *name) continue; } GETSHORT(pref, cp); - if ((n = dn_expand(answer, eom, cp, bp, buflen)) < 0) + if ((n = dn_expand((unsigned char *)answer, (unsigned char *)eom, + (unsigned char *)cp, bp, buflen)) < 0) break; cp += n; |