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curl
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This commit is contained in:
Daniel Stenberg 2004-12-10 21:46:00 +00:00
Родитель 6b7f6369ec
Коммит 070da3c08f
4 изменённых файлов: 191 добавлений и 191 удалений
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24
ares/ares_fds.c
Просмотреть файл

@ -38,19 +38,19 @@ int ares_fds(ares_channel channel, fd_set *read_fds, fd_set *write_fds)
{ {
server = &channel->servers[i]; server = &channel->servers[i];
if (server->udp_socket != ARES_SOCKET_BAD) if (server->udp_socket != ARES_SOCKET_BAD)
{ {
FD_SET(server->udp_socket, read_fds); FD_SET(server->udp_socket, read_fds);
if (server->udp_socket >= nfds) if (server->udp_socket >= nfds)
nfds = server->udp_socket + 1; nfds = server->udp_socket + 1;
} }
if (server->tcp_socket != ARES_SOCKET_BAD) if (server->tcp_socket != ARES_SOCKET_BAD)
{ {
FD_SET(server->tcp_socket, read_fds); FD_SET(server->tcp_socket, read_fds);
if (server->qhead) if (server->qhead)
FD_SET(server->tcp_socket, write_fds); FD_SET(server->tcp_socket, write_fds);
if (server->tcp_socket >= nfds) if (server->tcp_socket >= nfds)
nfds = server->tcp_socket + 1; nfds = server->tcp_socket + 1;
} }
} }
return (int)nfds; return (int)nfds;
} }

76
ares/ares_gethostbyaddr.c
Просмотреть файл

@ -48,13 +48,13 @@ struct addr_query {
static void next_lookup(struct addr_query *aquery); static void next_lookup(struct addr_query *aquery);
static void addr_callback(void *arg, int status, unsigned char *abuf, static void addr_callback(void *arg, int status, unsigned char *abuf,
int alen); int alen);
static void end_aquery(struct addr_query *aquery, int status, static void end_aquery(struct addr_query *aquery, int status,
struct hostent *host); struct hostent *host);
static int file_lookup(struct in_addr *addr, struct hostent **host); static int file_lookup(struct in_addr *addr, struct hostent **host);
void ares_gethostbyaddr(ares_channel channel, const void *addr, int addrlen, void ares_gethostbyaddr(ares_channel channel, const void *addr, int addrlen,
int family, ares_host_callback callback, void *arg) int family, ares_host_callback callback, void *arg)
{ {
struct addr_query *aquery; struct addr_query *aquery;
@ -90,27 +90,27 @@ static void next_lookup(struct addr_query *aquery)
for (p = aquery->remaining_lookups; *p; p++) for (p = aquery->remaining_lookups; *p; p++)
{ {
switch (*p) switch (*p)
{ {
case 'b': case 'b':
addr = ntohl(aquery->addr.s_addr); addr = ntohl(aquery->addr.s_addr);
a1 = (int)((addr >> 24) & 0xff); a1 = (int)((addr >> 24) & 0xff);
a2 = (int)((addr >> 16) & 0xff); a2 = (int)((addr >> 16) & 0xff);
a3 = (int)((addr >> 8) & 0xff); a3 = (int)((addr >> 8) & 0xff);
a4 = (int)(addr & 0xff); a4 = (int)(addr & 0xff);
sprintf(name, "%d.%d.%d.%d.in-addr.arpa", a4, a3, a2, a1); sprintf(name, "%d.%d.%d.%d.in-addr.arpa", a4, a3, a2, a1);
aquery->remaining_lookups = p + 1; aquery->remaining_lookups = p + 1;
ares_query(aquery->channel, name, C_IN, T_PTR, addr_callback, ares_query(aquery->channel, name, C_IN, T_PTR, addr_callback,
aquery); aquery);
return; return;
case 'f': case 'f':
status = file_lookup(&aquery->addr, &host); status = file_lookup(&aquery->addr, &host);
if (status != ARES_ENOTFOUND) if (status != ARES_ENOTFOUND)
{ {
end_aquery(aquery, status, host); end_aquery(aquery, status, host);
return; return;
} }
break; break;
} }
} }
end_aquery(aquery, ARES_ENOTFOUND, NULL); end_aquery(aquery, ARES_ENOTFOUND, NULL);
} }
@ -123,7 +123,7 @@ static void addr_callback(void *arg, int status, unsigned char *abuf, int alen)
if (status == ARES_SUCCESS) if (status == ARES_SUCCESS)
{ {
status = ares_parse_ptr_reply(abuf, alen, &aquery->addr, status = ares_parse_ptr_reply(abuf, alen, &aquery->addr,
sizeof(struct in_addr), AF_INET, &host); sizeof(struct in_addr), AF_INET, &host);
end_aquery(aquery, status, host); end_aquery(aquery, status, host);
} }
else if (status == ARES_EDESTRUCTION) else if (status == ARES_EDESTRUCTION)
@ -133,7 +133,7 @@ static void addr_callback(void *arg, int status, unsigned char *abuf, int alen)
} }
static void end_aquery(struct addr_query *aquery, int status, static void end_aquery(struct addr_query *aquery, int status,
struct hostent *host) struct hostent *host)
{ {
aquery->callback(aquery->arg, status, host); aquery->callback(aquery->arg, status, host);
if (host) if (host)
@ -150,18 +150,18 @@ static int file_lookup(struct in_addr *addr, struct hostent **host)
char PATH_HOSTS[MAX_PATH]; char PATH_HOSTS[MAX_PATH];
if (IS_NT()) { if (IS_NT()) {
char tmp[MAX_PATH]; char tmp[MAX_PATH];
HKEY hkeyHosts; HKEY hkeyHosts;
if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, WIN_NS_NT_KEY, 0, KEY_READ, &hkeyHosts) if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, WIN_NS_NT_KEY, 0, KEY_READ, &hkeyHosts)
== ERROR_SUCCESS) == ERROR_SUCCESS)
{ {
DWORD dwLength = MAX_PATH; DWORD dwLength = MAX_PATH;
RegQueryValueEx(hkeyHosts, DATABASEPATH, NULL, NULL, tmp, RegQueryValueEx(hkeyHosts, DATABASEPATH, NULL, NULL, tmp,
&dwLength); &dwLength);
ExpandEnvironmentStrings(tmp, PATH_HOSTS, MAX_PATH); ExpandEnvironmentStrings(tmp, PATH_HOSTS, MAX_PATH);
RegCloseKey(hkeyHosts); RegCloseKey(hkeyHosts);
} }
} }
else else
GetWindowsDirectory(PATH_HOSTS, MAX_PATH); GetWindowsDirectory(PATH_HOSTS, MAX_PATH);
@ -183,7 +183,7 @@ static int file_lookup(struct in_addr *addr, struct hostent **host)
while ((status = ares__get_hostent(fp, host)) == ARES_SUCCESS) while ((status = ares__get_hostent(fp, host)) == ARES_SUCCESS)
{ {
if (memcmp((*host)->h_addr, addr, sizeof(struct in_addr)) == 0) if (memcmp((*host)->h_addr, addr, sizeof(struct in_addr)) == 0)
break; break;
ares_free_hostent(*host); ares_free_hostent(*host);
} }
fclose(fp); fclose(fp);

108
ares/ares_gethostbyname.c
Просмотреть файл

@ -50,19 +50,19 @@ struct host_query {
static void next_lookup(struct host_query *hquery); static void next_lookup(struct host_query *hquery);
static void host_callback(void *arg, int status, unsigned char *abuf, static void host_callback(void *arg, int status, unsigned char *abuf,
int alen); int alen);
static void end_hquery(struct host_query *hquery, int status, static void end_hquery(struct host_query *hquery, int status,
struct hostent *host); struct hostent *host);
static int fake_hostent(const char *name, ares_host_callback callback, static int fake_hostent(const char *name, ares_host_callback callback,
void *arg); void *arg);
static int file_lookup(const char *name, struct hostent **host); static int file_lookup(const char *name, struct hostent **host);
static void sort_addresses(struct hostent *host, struct apattern *sortlist, static void sort_addresses(struct hostent *host, struct apattern *sortlist,
int nsort); int nsort);
static int get_address_index(struct in_addr *addr, struct apattern *sortlist, static int get_address_index(struct in_addr *addr, struct apattern *sortlist,
int nsort); int nsort);
void ares_gethostbyname(ares_channel channel, const char *name, int family, void ares_gethostbyname(ares_channel channel, const char *name, int family,
ares_host_callback callback, void *arg) ares_host_callback callback, void *arg)
{ {
struct host_query *hquery; struct host_query *hquery;
@ -108,24 +108,24 @@ static void next_lookup(struct host_query *hquery)
for (p = hquery->remaining_lookups; *p; p++) for (p = hquery->remaining_lookups; *p; p++)
{ {
switch (*p) switch (*p)
{ {
case 'b': case 'b':
/* DNS lookup */ /* DNS lookup */
hquery->remaining_lookups = p + 1; hquery->remaining_lookups = p + 1;
ares_search(hquery->channel, hquery->name, C_IN, T_A, host_callback, ares_search(hquery->channel, hquery->name, C_IN, T_A, host_callback,
hquery); hquery);
return; return;
case 'f': case 'f':
/* Host file lookup */ /* Host file lookup */
status = file_lookup(hquery->name, &host); status = file_lookup(hquery->name, &host);
if (status != ARES_ENOTFOUND) if (status != ARES_ENOTFOUND)
{ {
end_hquery(hquery, status, host); end_hquery(hquery, status, host);
return; return;
} }
break; break;
} }
} }
end_hquery(hquery, ARES_ENOTFOUND, NULL); end_hquery(hquery, ARES_ENOTFOUND, NULL);
} }
@ -140,7 +140,7 @@ static void host_callback(void *arg, int status, unsigned char *abuf, int alen)
{ {
status = ares_parse_a_reply(abuf, alen, &host); status = ares_parse_a_reply(abuf, alen, &host);
if (host && channel->nsort) if (host && channel->nsort)
sort_addresses(host, channel->sortlist, channel->nsort); sort_addresses(host, channel->sortlist, channel->nsort);
end_hquery(hquery, status, host); end_hquery(hquery, status, host);
} }
else if (status == ARES_EDESTRUCTION) else if (status == ARES_EDESTRUCTION)
@ -150,7 +150,7 @@ static void host_callback(void *arg, int status, unsigned char *abuf, int alen)
} }
static void end_hquery(struct host_query *hquery, int status, static void end_hquery(struct host_query *hquery, int status,
struct hostent *host) struct hostent *host)
{ {
hquery->callback(hquery->arg, status, host); hquery->callback(hquery->arg, status, host);
if (host) if (host)
@ -163,7 +163,7 @@ static void end_hquery(struct host_query *hquery, int status,
* query immediately, and return true. Otherwise return false. * query immediately, and return true. Otherwise return false.
*/ */
static int fake_hostent(const char *name, ares_host_callback callback, static int fake_hostent(const char *name, ares_host_callback callback,
void *arg) void *arg)
{ {
struct in_addr addr; struct in_addr addr;
struct hostent hostent; struct hostent hostent;
@ -175,7 +175,7 @@ static int fake_hostent(const char *name, ares_host_callback callback,
for (p = name; *p; p++) for (p = name; *p; p++)
{ {
if (!isdigit((unsigned char)*p) && *p != '.') if (!isdigit((unsigned char)*p) && *p != '.')
return 0; return 0;
} }
/* It also only looks like an IP address if it's non-zero-length and /* It also only looks like an IP address if it's non-zero-length and
@ -222,18 +222,18 @@ static int file_lookup(const char *name, struct hostent **host)
#ifdef WIN32 #ifdef WIN32
char PATH_HOSTS[MAX_PATH]; char PATH_HOSTS[MAX_PATH];
if (IS_NT()) { if (IS_NT()) {
char tmp[MAX_PATH]; char tmp[MAX_PATH];
HKEY hkeyHosts; HKEY hkeyHosts;
if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, WIN_NS_NT_KEY, 0, KEY_READ, &hkeyHosts) if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, WIN_NS_NT_KEY, 0, KEY_READ, &hkeyHosts)
== ERROR_SUCCESS) == ERROR_SUCCESS)
{ {
DWORD dwLength = MAX_PATH; DWORD dwLength = MAX_PATH;
RegQueryValueEx(hkeyHosts, DATABASEPATH, NULL, NULL, tmp, RegQueryValueEx(hkeyHosts, DATABASEPATH, NULL, NULL, tmp,
&dwLength); &dwLength);
ExpandEnvironmentStrings(tmp, PATH_HOSTS, MAX_PATH); ExpandEnvironmentStrings(tmp, PATH_HOSTS, MAX_PATH);
RegCloseKey(hkeyHosts); RegCloseKey(hkeyHosts);
} }
} }
else else
GetWindowsDirectory(PATH_HOSTS, MAX_PATH); GetWindowsDirectory(PATH_HOSTS, MAX_PATH);
@ -255,14 +255,14 @@ static int file_lookup(const char *name, struct hostent **host)
while ((status = ares__get_hostent(fp, host)) == ARES_SUCCESS) while ((status = ares__get_hostent(fp, host)) == ARES_SUCCESS)
{ {
if (strcasecmp((*host)->h_name, name) == 0) if (strcasecmp((*host)->h_name, name) == 0)
break; break;
for (alias = (*host)->h_aliases; *alias; alias++) for (alias = (*host)->h_aliases; *alias; alias++)
{ {
if (strcasecmp(*alias, name) == 0) if (strcasecmp(*alias, name) == 0)
break; break;
} }
if (*alias) if (*alias)
break; break;
ares_free_hostent(*host); ares_free_hostent(*host);
} }
fclose(fp); fclose(fp);
@ -274,7 +274,7 @@ static int file_lookup(const char *name, struct hostent **host)
} }
static void sort_addresses(struct hostent *host, struct apattern *sortlist, static void sort_addresses(struct hostent *host, struct apattern *sortlist,
int nsort) int nsort)
{ {
struct in_addr a1, a2; struct in_addr a1, a2;
int i1, i2, ind1, ind2; int i1, i2, ind1, ind2;
@ -289,13 +289,13 @@ static void sort_addresses(struct hostent *host, struct apattern *sortlist,
memcpy(&a1, host->h_addr_list[i1], sizeof(struct in_addr)); memcpy(&a1, host->h_addr_list[i1], sizeof(struct in_addr));
ind1 = get_address_index(&a1, sortlist, nsort); ind1 = get_address_index(&a1, sortlist, nsort);
for (i2 = i1 - 1; i2 >= 0; i2--) for (i2 = i1 - 1; i2 >= 0; i2--)
{ {
memcpy(&a2, host->h_addr_list[i2], sizeof(struct in_addr)); memcpy(&a2, host->h_addr_list[i2], sizeof(struct in_addr));
ind2 = get_address_index(&a2, sortlist, nsort); ind2 = get_address_index(&a2, sortlist, nsort);
if (ind2 <= ind1) if (ind2 <= ind1)
break; break;
memcpy(host->h_addr_list[i2 + 1], &a2, sizeof(struct in_addr)); memcpy(host->h_addr_list[i2 + 1], &a2, sizeof(struct in_addr));
} }
memcpy(host->h_addr_list[i2 + 1], &a1, sizeof(struct in_addr)); memcpy(host->h_addr_list[i2 + 1], &a1, sizeof(struct in_addr));
} }
} }
@ -304,14 +304,14 @@ static void sort_addresses(struct hostent *host, struct apattern *sortlist,
* if none of them match. * if none of them match.
*/ */
static int get_address_index(struct in_addr *addr, struct apattern *sortlist, static int get_address_index(struct in_addr *addr, struct apattern *sortlist,
int nsort) int nsort)
{ {
int i; int i;
for (i = 0; i < nsort; i++) for (i = 0; i < nsort; i++)
{ {
if ((addr->s_addr & sortlist[i].mask.s_addr) == sortlist[i].addr.s_addr) if ((addr->s_addr & sortlist[i].mask.s_addr) == sortlist[i].addr.s_addr)
break; break;
} }
return i; return i;
} }

174
ares/ares_init.c
Просмотреть файл

@ -50,7 +50,7 @@
#endif #endif
static int init_by_options(ares_channel channel, struct ares_options *options, static int init_by_options(ares_channel channel, struct ares_options *options,
int optmask); int optmask);
static int init_by_environment(ares_channel channel); static int init_by_environment(ares_channel channel);
static int init_by_resolv_conf(ares_channel channel); static int init_by_resolv_conf(ares_channel channel);
static int init_by_defaults(ares_channel channel); static int init_by_defaults(ares_channel channel);
@ -58,9 +58,9 @@ static int config_domain(ares_channel channel, char *str);
static int config_lookup(ares_channel channel, const char *str, static int config_lookup(ares_channel channel, const char *str,
const char *bindch, const char *filech); const char *bindch, const char *filech);
static int config_nameserver(struct server_state **servers, int *nservers, static int config_nameserver(struct server_state **servers, int *nservers,
char *str); char *str);
static int config_sortlist(struct apattern **sortlist, int *nsort, static int config_sortlist(struct apattern **sortlist, int *nsort,
const char *str); const char *str);
static int set_search(ares_channel channel, const char *str); static int set_search(ares_channel channel, const char *str);
static int set_options(ares_channel channel, const char *str); static int set_options(ares_channel channel, const char *str);
static char *try_config(char *s, const char *opt); static char *try_config(char *s, const char *opt);
@ -74,7 +74,7 @@ int ares_init(ares_channel *channelptr)
} }
int ares_init_options(ares_channel *channelptr, struct ares_options *options, int ares_init_options(ares_channel *channelptr, struct ares_options *options,
int optmask) int optmask)
{ {
ares_channel channel; ares_channel channel;
int i, status; int i, status;
@ -116,15 +116,15 @@ int ares_init_options(ares_channel *channelptr, struct ares_options *options,
{ {
/* Something failed; clean up memory we may have allocated. */ /* Something failed; clean up memory we may have allocated. */
if (channel->nservers != -1) if (channel->nservers != -1)
free(channel->servers); free(channel->servers);
if (channel->domains) if (channel->domains)
{ {
for (i = 0; i < channel->ndomains; i++) for (i = 0; i < channel->ndomains; i++)
free(channel->domains[i]); free(channel->domains[i]);
free(channel->domains); free(channel->domains);
} }
if (channel->sortlist) if (channel->sortlist)
free(channel->sortlist); free(channel->sortlist);
if(channel->lookups) if(channel->lookups)
free(channel->lookups); free(channel->lookups);
free(channel); free(channel);
@ -163,7 +163,7 @@ int ares_init_options(ares_channel *channelptr, struct ares_options *options,
} }
static int init_by_options(ares_channel channel, struct ares_options *options, static int init_by_options(ares_channel channel, struct ares_options *options,
int optmask) int optmask)
{ {
int i; int i;
@ -185,11 +185,11 @@ static int init_by_options(ares_channel channel, struct ares_options *options,
if ((optmask & ARES_OPT_SERVERS) && channel->nservers == -1) if ((optmask & ARES_OPT_SERVERS) && channel->nservers == -1)
{ {
channel->servers = channel->servers =
malloc(options->nservers * sizeof(struct server_state)); malloc(options->nservers * sizeof(struct server_state));
if (!channel->servers && options->nservers != 0) if (!channel->servers && options->nservers != 0)
return ARES_ENOMEM; return ARES_ENOMEM;
for (i = 0; i < options->nservers; i++) for (i = 0; i < options->nservers; i++)
channel->servers[i].addr = options->servers[i]; channel->servers[i].addr = options->servers[i];
channel->nservers = options->nservers; channel->nservers = options->nservers;
} }
@ -200,14 +200,14 @@ static int init_by_options(ares_channel channel, struct ares_options *options,
{ {
channel->domains = malloc(options->ndomains * sizeof(char *)); channel->domains = malloc(options->ndomains * sizeof(char *));
if (!channel->domains && options->ndomains != 0) if (!channel->domains && options->ndomains != 0)
return ARES_ENOMEM; return ARES_ENOMEM;
for (i = 0; i < options->ndomains; i++) for (i = 0; i < options->ndomains; i++)
{ {
channel->ndomains = i; channel->ndomains = i;
channel->domains[i] = strdup(options->domains[i]); channel->domains[i] = strdup(options->domains[i]);
if (!channel->domains[i]) if (!channel->domains[i])
return ARES_ENOMEM; return ARES_ENOMEM;
} }
channel->ndomains = options->ndomains; channel->ndomains = options->ndomains;
} }
@ -216,7 +216,7 @@ static int init_by_options(ares_channel channel, struct ares_options *options,
{ {
channel->lookups = strdup(options->lookups); channel->lookups = strdup(options->lookups);
if (!channel->lookups) if (!channel->lookups)
return ARES_ENOMEM; return ARES_ENOMEM;
} }
return ARES_SUCCESS; return ARES_SUCCESS;
@ -232,7 +232,7 @@ static int init_by_environment(ares_channel channel)
{ {
status = set_search(channel, localdomain); status = set_search(channel, localdomain);
if (status != ARES_SUCCESS) if (status != ARES_SUCCESS)
return status; return status;
} }
res_options = getenv("RES_OPTIONS"); res_options = getenv("RES_OPTIONS");
@ -240,7 +240,7 @@ static int init_by_environment(ares_channel channel)
{ {
status = set_options(channel, res_options); status = set_options(channel, res_options);
if (status != ARES_SUCCESS) if (status != ARES_SUCCESS)
return status; return status;
} }
return ARES_SUCCESS; return ARES_SUCCESS;
@ -393,14 +393,14 @@ static int init_by_resolv_conf(ares_channel channel)
On Windows 9X, the DNS server can be found in: On Windows 9X, the DNS server can be found in:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\VxD\MSTCP\NameServer HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\VxD\MSTCP\NameServer
On Windows NT/2000/XP/2003: On Windows NT/2000/XP/2003:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\NameServer HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\NameServer
or or
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\DhcpNameServer HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\DhcpNameServer
or or
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\{AdapterID}\ HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\{AdapterID}\
NameServer NameServer
or or
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\{AdapterID}\ HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\{AdapterID}\
DhcpNameServer DhcpNameServer
*/ */
@ -664,7 +664,7 @@ static int init_by_defaults(ares_channel channel)
/* If nobody specified servers, try a local named. */ /* If nobody specified servers, try a local named. */
channel->servers = malloc(sizeof(struct server_state)); channel->servers = malloc(sizeof(struct server_state));
if (!channel->servers) if (!channel->servers)
return ARES_ENOMEM; return ARES_ENOMEM;
channel->servers[0].addr.s_addr = htonl(INADDR_LOOPBACK); channel->servers[0].addr.s_addr = htonl(INADDR_LOOPBACK);
channel->nservers = 1; channel->nservers = 1;
} }
@ -675,22 +675,22 @@ static int init_by_defaults(ares_channel channel)
* or set it to empty if the hostname isn't helpful. * or set it to empty if the hostname isn't helpful.
*/ */
if (gethostname(hostname, sizeof(hostname)) == -1 if (gethostname(hostname, sizeof(hostname)) == -1
|| !strchr(hostname, '.')) || !strchr(hostname, '.'))
{ {
channel->domains = malloc(0); channel->domains = malloc(0);
channel->ndomains = 0; channel->ndomains = 0;
} }
else else
{ {
channel->domains = malloc(sizeof(char *)); channel->domains = malloc(sizeof(char *));
if (!channel->domains) if (!channel->domains)
return ARES_ENOMEM; return ARES_ENOMEM;
channel->ndomains = 0; channel->ndomains = 0;
channel->domains[0] = strdup(strchr(hostname, '.') + 1); channel->domains[0] = strdup(strchr(hostname, '.') + 1);
if (!channel->domains[0]) if (!channel->domains[0])
return ARES_ENOMEM; return ARES_ENOMEM;
channel->ndomains = 1; channel->ndomains = 1;
} }
} }
if (channel->nsort == -1) if (channel->nsort == -1)
@ -703,7 +703,7 @@ static int init_by_defaults(ares_channel channel)
{ {
channel->lookups = strdup("fb"); channel->lookups = strdup("fb");
if (!channel->lookups) if (!channel->lookups)
return ARES_ENOMEM; return ARES_ENOMEM;
} }
return ARES_SUCCESS; return ARES_SUCCESS;
@ -736,13 +736,13 @@ static int config_lookup(ares_channel channel, const char *str,
while (*p) while (*p)
{ {
if ((*p == *bindch || *p == *filech) && l < lookups + 2) { if ((*p == *bindch || *p == *filech) && l < lookups + 2) {
if (*p == *bindch) *l++ = 'b'; if (*p == *bindch) *l++ = 'b';
else *l++ = 'f'; else *l++ = 'f';
} }
while (*p && !isspace((unsigned char)*p) && (*p != ',')) while (*p && !isspace((unsigned char)*p) && (*p != ','))
p++; p++;
while (*p && (isspace((unsigned char)*p) || (*p == ','))) while (*p && (isspace((unsigned char)*p) || (*p == ',')))
p++; p++;
} }
*l = 0; *l = 0;
channel->lookups = strdup(lookups); channel->lookups = strdup(lookups);
@ -750,7 +750,7 @@ static int config_lookup(ares_channel channel, const char *str,
} }
static int config_nameserver(struct server_state **servers, int *nservers, static int config_nameserver(struct server_state **servers, int *nservers,
char *str) char *str)
{ {
struct in_addr addr; struct in_addr addr;
struct server_state *newserv; struct server_state *newserv;
@ -811,7 +811,7 @@ static int config_nameserver(struct server_state **servers, int *nservers,
} }
static int config_sortlist(struct apattern **sortlist, int *nsort, static int config_sortlist(struct apattern **sortlist, int *nsort,
const char *str) const char *str)
{ {
struct apattern pat, *newsort; struct apattern pat, *newsort;
const char *q; const char *q;
@ -821,37 +821,37 @@ static int config_sortlist(struct apattern **sortlist, int *nsort,
{ {
q = str; q = str;
while (*q && *q != '/' && *q != ';' && !isspace((unsigned char)*q)) while (*q && *q != '/' && *q != ';' && !isspace((unsigned char)*q))
q++; q++;
if (ip_addr(str, (int)(q - str), &pat.addr) == 0) if (ip_addr(str, (int)(q - str), &pat.addr) == 0)
{ {
/* We have a pattern address; now determine the mask. */ /* We have a pattern address; now determine the mask. */
if (*q == '/') if (*q == '/')
{ {
str = q + 1; str = q + 1;
while (*q && *q != ';' && !isspace((unsigned char)*q)) while (*q && *q != ';' && !isspace((unsigned char)*q))
q++; q++;
if (ip_addr(str, (int)(q - str), &pat.mask) != 0) if (ip_addr(str, (int)(q - str), &pat.mask) != 0)
natural_mask(&pat); natural_mask(&pat);
} }
else else
natural_mask(&pat); natural_mask(&pat);
/* Add this pattern to our list. */ /* Add this pattern to our list. */
newsort = realloc(*sortlist, (*nsort + 1) * sizeof(struct apattern)); newsort = realloc(*sortlist, (*nsort + 1) * sizeof(struct apattern));
if (!newsort) if (!newsort)
return ARES_ENOMEM; return ARES_ENOMEM;
newsort[*nsort] = pat; newsort[*nsort] = pat;
*sortlist = newsort; *sortlist = newsort;
(*nsort)++; (*nsort)++;
} }
else else
{ {
while (*q && *q != ';' && !isspace((unsigned char)*q)) while (*q && *q != ';' && !isspace((unsigned char)*q))
q++; q++;
} }
str = q; str = q;
while (isspace((unsigned char)*str)) while (isspace((unsigned char)*str))
str++; str++;
} }
return ARES_SUCCESS; return ARES_SUCCESS;
@ -876,9 +876,9 @@ static int set_search(ares_channel channel, const char *str)
while (*p) while (*p)
{ {
while (*p && !isspace((unsigned char)*p)) while (*p && !isspace((unsigned char)*p))
p++; p++;
while (isspace((unsigned char)*p)) while (isspace((unsigned char)*p))
p++; p++;
n++; n++;
} }
@ -894,15 +894,15 @@ static int set_search(ares_channel channel, const char *str)
channel->ndomains = n; channel->ndomains = n;
q = p; q = p;
while (*q && !isspace((unsigned char)*q)) while (*q && !isspace((unsigned char)*q))
q++; q++;
channel->domains[n] = malloc(q - p + 1); channel->domains[n] = malloc(q - p + 1);
if (!channel->domains[n]) if (!channel->domains[n])
return ARES_ENOMEM; return ARES_ENOMEM;
memcpy(channel->domains[n], p, q - p); memcpy(channel->domains[n], p, q - p);
channel->domains[n][q - p] = 0; channel->domains[n][q - p] = 0;
p = q; p = q;
while (isspace((unsigned char)*p)) while (isspace((unsigned char)*p))
p++; p++;
n++; n++;
} }
channel->ndomains = n; channel->ndomains = n;
@ -919,19 +919,19 @@ static int set_options(ares_channel channel, const char *str)
{ {
q = p; q = p;
while (*q && !isspace((unsigned char)*q)) while (*q && !isspace((unsigned char)*q))
q++; q++;
val = try_option(p, q, "ndots:"); val = try_option(p, q, "ndots:");
if (val && channel->ndots == -1) if (val && channel->ndots == -1)
channel->ndots = atoi(val); channel->ndots = atoi(val);
val = try_option(p, q, "retrans:"); val = try_option(p, q, "retrans:");
if (val && channel->timeout == -1) if (val && channel->timeout == -1)
channel->timeout = atoi(val); channel->timeout = atoi(val);
val = try_option(p, q, "retry:"); val = try_option(p, q, "retry:");
if (val && channel->tries == -1) if (val && channel->tries == -1)
channel->tries = atoi(val); channel->tries = atoi(val);
p = q; p = q;
while (isspace((unsigned char)*p)) while (isspace((unsigned char)*p))
p++; p++;
} }
return ARES_SUCCESS; return ARES_SUCCESS;