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I made Curl_done() take a pointer-pointer in the first argument instead, and

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if the connection is killed it blanks the pointer it points to, to make it
easier to detect usage problems whereever Curl_done() is used.
This commit is contained in:
Daniel Stenberg 2004-05-17 08:05:46 +00:00
parent d7cb09bd18
commit 8001921112
3 changed files with 17 additions and 13 deletions
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6
lib/transfer.c
View File

@ -1969,7 +1969,7 @@ CURLcode Curl_perform(struct SessionHandle *data)
to the new URL */
urlchanged = data->change.url_changed;
if ((CURLE_OK == res) && urlchanged) {
res = Curl_done(conn, res);
res = Curl_done(&conn, res);
if(CURLE_OK == res) {
char *gotourl = strdup(data->change.url);
res = Curl_follow(data, gotourl);
@ -2026,14 +2026,14 @@ CURLcode Curl_perform(struct SessionHandle *data)
/* Always run Curl_done(), even if some of the previous calls
failed, but return the previous (original) error code */
res2 = Curl_done(conn, res);
res2 = Curl_done(&conn, res);
if(CURLE_OK == res)
res = res2;
}
else
/* Curl_do() failed, clean up left-overs in the done-call */
res2 = Curl_done(conn, res);
res2 = Curl_done(&conn, res);
/*
* Important: 'conn' cannot be used here, since it may have been closed

12
lib/url.c
View File

@ -3367,12 +3367,13 @@ CURLcode Curl_async_resolved(struct connectdata *conn)
}
CURLcode Curl_done(struct connectdata *conn,
CURLcode Curl_done(struct connectdata **connp,
CURLcode status) /* an error if this is called after an
error was detected */
{
struct SessionHandle *data=conn->data;
CURLcode result;
struct connectdata *conn = *connp;
struct SessionHandle *data=conn->data;
/* cleanups done even if the connection is re-used */
@ -3416,6 +3417,9 @@ CURLcode Curl_done(struct connectdata *conn,
CURLcode res2;
res2 = Curl_disconnect(conn); /* close the connection */
*connp = NULL; /* to make the caller of this function better detect that
this was actually killed here */
/* If we had an error already, make sure we return that one. But
if we got a new error, return that. */
if(!result && res2)
@ -3452,9 +3456,9 @@ CURLcode Curl_do(struct connectdata **connp)
infof(data, "Re-used connection seems dead, get a new one\n");
conn->bits.close = TRUE; /* enforce close of this connection */
result = Curl_done(conn, result); /* we are so done with this */
result = Curl_done(&conn, result); /* we are so done with this */
/* conn is no longer a good pointer */
/* conn may no longer be a good pointer */
if(CURLE_OK == result) {
bool async;

2
lib/url.h
View File

@ -35,7 +35,7 @@ CURLcode Curl_connect(struct SessionHandle *, struct connectdata **,
CURLcode Curl_async_resolved(struct connectdata *conn);
CURLcode Curl_do(struct connectdata **);
CURLcode Curl_do_more(struct connectdata *);
CURLcode Curl_done(struct connectdata *, CURLcode);
CURLcode Curl_done(struct connectdata **, CURLcode);
CURLcode Curl_disconnect(struct connectdata *);
CURLcode Curl_protocol_connect(struct connectdata *conn);
bool Curl_ssl_config_matches(struct ssl_config_data* data,