diff options
Diffstat (limited to 'ares/ares_parse_ptr_reply.c')
| -rw-r--r-- | ares/ares_parse_ptr_reply.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/ares/ares_parse_ptr_reply.c b/ares/ares_parse_ptr_reply.c index c5d8e14c8..54fb560b0 100644 --- a/ares/ares_parse_ptr_reply.c +++ b/ares/ares_parse_ptr_reply.c @@ -55,6 +55,7 @@ int ares_parse_ptr_reply(const unsigned char *abuf, int alen, const void *addr, char *ptrname, *hostname, *rr_name, *rr_data; struct hostent *hostent; int aliascnt = 0; + int alias_alloc = 8; char ** aliases; /* Set *host to NULL for all failure cases. */ @@ -84,7 +85,7 @@ int ares_parse_ptr_reply(const unsigned char *abuf, int alen, const void *addr, /* Examine each answer resource record (RR) in turn. */ hostname = NULL; - aliases = malloc(8 * sizeof(char *)); + aliases = malloc(alias_alloc * sizeof(char *)); if (!aliases) { free(ptrname); @@ -125,9 +126,10 @@ int ares_parse_ptr_reply(const unsigned char *abuf, int alen, const void *addr, } strncpy(aliases[aliascnt], rr_data, strlen(rr_data)+1); aliascnt++; - if ((aliascnt%8)==0) { + if (aliascnt >= alias_alloc) { char **ptr; - ptr = realloc(aliases, (aliascnt/16+1) * sizeof(char *)); + alias_alloc *= 2; + ptr = realloc(aliases, alias_alloc * sizeof(char *)); if(!ptr) { status = ARES_ENOMEM; break; |