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better checks to avoid free(NULL)

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pull/1/head
Daniel Stenberg 21 years ago
parent d870be584d
commit 8cb7fd4e22
1 changed files with 4 additions and 4 deletions
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  1. 4
      ares__get_hostent.c

4
ares__get_hostent.c
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@ -140,10 +140,10 @@ 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;
} }
if(line)
free(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);

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