Unity-Technologies
/
curl
зеркало из https://github.com/Unity-Technologies/curl.git
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OOM handling/cleanup slight adjustments

This commit is contained in:
Yang Tse 2011-10-12 21:32:10 +02:00
Родитель 584dc8b8af
Коммит bff78cc18e
5 изменённых файлов: 50 добавлений и 32 удалений
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4
lib/easy.c
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@ -701,10 +701,10 @@ void curl_easy_reset(CURL *curl)
struct SessionHandle *data = (struct SessionHandle *)curl;
Curl_safefree(data->state.pathbuffer);
data->state.pathbuffer=NULL;
data->state.path = NULL;
Curl_safefree(data->state.proto.generic);
data->state.proto.generic=NULL;
/* zero out UserDefined data: */
Curl_freeset(data);

3
lib/ftp.c
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@ -3667,8 +3667,7 @@ static CURLcode wc_statemach(struct connectdata *conn)
strcat(tmp_path, finfo->filename);
/* switch default "state.pathbuffer" and tmp_path, good to see
ftp_parse_url_path function to understand this trick */
if(conn->data->state.pathbuffer)
free(conn->data->state.pathbuffer);
Curl_safefree(conn->data->state.pathbuffer);
conn->data->state.pathbuffer = tmp_path;
conn->data->state.path = tmp_path;

6
lib/http.c
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@ -1912,8 +1912,10 @@ CURLcode Curl_http(struct connectdata *conn, bool *done)
memcpy(newurl + newlen + (ptr - url),
ptr + currlen, /* copy the trailing zero byte too */
urllen - (ptr-url) - currlen + 1);
if(data->change.url_alloc)
free(data->change.url);
if(data->change.url_alloc) {
Curl_safefree(data->change.url);
data->change.url_alloc = FALSE;
}
data->change.url = newurl;
data->change.url_alloc = TRUE;
}

20
lib/transfer.c
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@ -1806,15 +1806,14 @@ CURLcode Curl_follow(struct SessionHandle *data,
when we get the next URL. We pick the ->url field, which may or may
not be 100% correct */
if(data->change.referer_alloc)
/* If we already have an allocated referer, free this first */
free(data->change.referer);
if(data->change.referer_alloc) {
Curl_safefree(data->change.referer);
data->change.referer_alloc = FALSE;
}
data->change.referer = strdup(data->change.url);
if(!data->change.referer) {
data->change.referer_alloc = FALSE;
if(!data->change.referer)
return CURLE_OUT_OF_MEMORY;
}
data->change.referer_alloc = TRUE; /* yes, free this later */
}
}
@ -1861,12 +1860,13 @@ CURLcode Curl_follow(struct SessionHandle *data,
if(disallowport)
data->state.allow_port = FALSE;
if(data->change.url_alloc)
free(data->change.url);
else
data->change.url_alloc = TRUE; /* the URL is allocated */
if(data->change.url_alloc) {
Curl_safefree(data->change.url);
data->change.url_alloc = FALSE;
}
data->change.url = newurl;
data->change.url_alloc = TRUE;
newurl = NULL; /* don't free! */
infof(data, "Issue another request to this URL: '%s'\n", data->change.url);

49
lib/url.c
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@ -276,10 +276,7 @@ static CURLcode setstropt(char **charp, char * s)
/* Release the previous storage at `charp' and replace by a dynamic storage
copy of `s'. Return CURLE_OK or CURLE_OUT_OF_MEMORY. */
if(*charp) {
free(*charp);
*charp = (char *) NULL;
}
Curl_safefree(*charp);
if(s) {
s = strdup(s);
@ -480,6 +477,8 @@ CURLcode Curl_close(struct SessionHandle *data)
/* Free the pathbuffer */
Curl_safefree(data->state.pathbuffer);
data->state.path = NULL;
Curl_safefree(data->state.proto.generic);
/* Close down all open SSL info and sessions */
@ -488,11 +487,17 @@ CURLcode Curl_close(struct SessionHandle *data)
Curl_safefree(data->state.scratch);
Curl_ssl_free_certinfo(data);
if(data->change.referer_alloc)
free(data->change.referer);
if(data->change.referer_alloc) {
Curl_safefree(data->change.referer);
data->change.referer_alloc = FALSE;
}
data->change.referer = NULL;
if(data->change.url_alloc)
free(data->change.url);
if(data->change.url_alloc) {
Curl_safefree(data->change.url);
data->change.url_alloc = FALSE;
}
data->change.url = NULL;
Curl_safefree(data->state.headerbuff);
@ -1216,7 +1221,7 @@ CURLcode Curl_setopt(struct SessionHandle *data, CURLoption option,
* String to set in the HTTP Referer: field.
*/
if(data->change.referer_alloc) {
free(data->change.referer);
Curl_safefree(data->change.referer);
data->change.referer_alloc = FALSE;
}
result = setstropt(&data->set.str[STRING_SET_REFERER],
@ -1633,8 +1638,8 @@ CURLcode Curl_setopt(struct SessionHandle *data, CURLoption option,
*/
if(data->change.url_alloc) {
/* the already set URL is allocated, free it first! */
free(data->change.url);
data->change.url_alloc=FALSE;
Curl_safefree(data->change.url);
data->change.url_alloc = FALSE;
}
result = setstropt(&data->set.str[STRING_SET_URL],
va_arg(param, char *));
@ -4428,8 +4433,10 @@ static CURLcode parse_remote_port(struct SessionHandle *data,
if(!url)
return CURLE_OUT_OF_MEMORY;
if(data->change.url_alloc)
free(data->change.url);
if(data->change.url_alloc) {
Curl_safefree(data->change.url);
data->change.url_alloc = FALSE;
}
data->change.url = url;
data->change.url_alloc = TRUE;
@ -4653,11 +4660,11 @@ static void reuse_conn(struct connectdata *old_conn,
/* host can change, when doing keepalive with a proxy ! */
if(conn->bits.proxy) {
free(conn->host.rawalloc);
Curl_safefree(conn->host.rawalloc);
conn->host=old_conn->host;
}
else
free(old_conn->host.rawalloc); /* free the newly allocated name buffer */
Curl_safefree(old_conn->host.rawalloc); /* free the newly allocated name buffer */
/* persist connection info in session handle */
Curl_persistconninfo(conn);
@ -4756,14 +4763,19 @@ static CURLcode create_conn(struct SessionHandle *data,
*/
Curl_safefree(data->state.pathbuffer);
data->state.path = NULL;
data->state.pathbuffer = malloc(urllen+2);
if(NULL == data->state.pathbuffer)
return CURLE_OUT_OF_MEMORY; /* really bad error */
data->state.path = data->state.pathbuffer;
conn->host.rawalloc = malloc(urllen+2);
if(NULL == conn->host.rawalloc)
if(NULL == conn->host.rawalloc) {
Curl_safefree(data->state.pathbuffer);
data->state.path = NULL;
return CURLE_OUT_OF_MEMORY;
}
conn->host.name = conn->host.rawalloc;
conn->host.name[0] = 0;
@ -4788,6 +4800,11 @@ static CURLcode create_conn(struct SessionHandle *data,
return CURLE_OUT_OF_MEMORY;
}
if(data->change.url_alloc) {
Curl_safefree(data->change.url);
data->change.url_alloc = FALSE;
}
data->change.url = reurl;
data->change.url_alloc = TRUE; /* free this later */
}