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Code Issues Releases Wiki Activity

better checks to avoid free(NULL)

This commit is contained in:
Daniel Stenberg 2004-05-27 07:09:21 +00:00
parent ff0429a802
commit 5690a2b493
1 changed files with 4 additions and 4 deletions
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8
ares/ares__get_hostent.c
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@ -140,11 +140,11 @@ int ares__get_hostent(FILE *fp, struct hostent **host)
memcpy(hostent->h_addr_list[0], &addr, sizeof(struct in_addr)); memcpy(hostent->h_addr_list[0], &addr, sizeof(struct in_addr));
hostent->h_addr_list[1] = NULL; hostent->h_addr_list[1] = NULL;
*host = hostent; *host = hostent;
if(line) free(line);
free(line);
return ARES_SUCCESS; return ARES_SUCCESS;
} }
free(line); if(line)
free(line);
if (status == ARES_SUCCESS) if (status == ARES_SUCCESS)
{ {
@ -160,7 +160,7 @@ int ares__get_hostent(FILE *fp, struct hostent **host)
} }
if(hostent->h_aliases) if(hostent->h_aliases)
free(hostent->h_aliases); free(hostent->h_aliases);
if (hostent->h_addr_list) if (hostent->h_addr_list && hostent->h_addr_list[0])
free(hostent->h_addr_list[0]); free(hostent->h_addr_list[0]);
if(hostent->h_addr_list) if(hostent->h_addr_list)
free(hostent->h_addr_list); free(hostent->h_addr_list);