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parse_proxy: simply memory handling

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... by making sure that the string is always freed after the invoke as
parse_proxy will always copy the data and this way there's a single
free() instead of multiple ones.
This commit is contained in:
Daniel Stenberg 2012-02-10 17:00:55 +01:00
parent ecc93caaeb
commit 7ed25fcc5c
1 changed files with 8 additions and 15 deletions
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23
lib/url.c
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@ -4224,20 +4224,16 @@ static CURLcode parse_proxy(struct SessionHandle *data,
if(CURLE_OK == res) {
conn->bits.proxy_user_passwd = TRUE; /* enable it */
atsign = strdup(atsign+1); /* the right side of the @-letter */
atsign++; /* the right side of the @-letter */
if(atsign) {
free(proxy); /* free the former proxy string */
if(atsign)
proxy = proxyptr = atsign; /* now use this instead */
}
else
res = CURLE_OUT_OF_MEMORY;
}
if(res) {
free(proxy); /* free the allocated proxy string */
if(res)
return res;
}
}
}
@ -4271,20 +4267,17 @@ static CURLcode parse_proxy(struct SessionHandle *data,
conn->port = strtol(prox_portno, NULL, 10);
}
else {
if(proxyptr[0]=='/') {
if(proxyptr[0]=='/')
/* If the first character in the proxy string is a slash, fail
immediately. The following code will otherwise clear the string which
will lead to code running as if no proxy was set! */
free(proxy); /* free the former proxy string */
return CURLE_COULDNT_RESOLVE_PROXY;
}
/* without a port number after the host name, some people seem to use
a slash so we strip everything from the first slash */
atsign = strchr(proxyptr, '/');
if(atsign) {
if(atsign)
*atsign = 0x0; /* cut off path part from host name */
}
if(data->set.proxyport)
/* None given in the proxy string, then get the default one if it is
@ -4296,7 +4289,6 @@ static CURLcode parse_proxy(struct SessionHandle *data,
conn->proxy.rawalloc = strdup(proxyptr);
conn->proxy.name = conn->proxy.rawalloc;
free(proxy);
if(!conn->proxy.rawalloc)
return CURLE_OUT_OF_MEMORY;
@ -4927,8 +4919,9 @@ static CURLcode create_conn(struct SessionHandle *data,
if(proxy) {
result = parse_proxy(data, conn, proxy);
/* parse_proxy has freed the proxy string, so don't try to use it again */
if(result != CURLE_OK)
free(proxy); /* parse_proxy copies the proxy string */
if(result)
return result;
if((conn->proxytype == CURLPROXY_HTTP) ||