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Dmitriy Sergeyev provided an example source code that crashed CVS libcurl
but that worked nicely in 7.15.5. I converted it into test case 532 and fixed the problem.
This commit is contained in:
Daniel Stenberg
parent
e2b48366d3
commit
552b963e6d
5
CHANGES
5
CHANGES
@ -6,6 +6,11 @@
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Changelog
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Daniel (4 October 2006)
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- Dmitriy Sergeyev provided an example source code that crashed CVS libcurl
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but that worked nicely in 7.15.5. I converted it into test case 532 and
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fixed the problem.
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Daniel (29 September 2006)
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- Removed a few other no-longer present options from the header file.
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@ -655,6 +655,12 @@ void curl_easy_reset(CURL *curl)
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{
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struct SessionHandle *data = (struct SessionHandle *)curl;
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Curl_safefree(data->reqdata.pathbuffer);
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data->reqdata.pathbuffer=NULL;
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Curl_safefree(data->reqdata.proto.generic);
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data->reqdata.proto.generic=NULL;
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/* zero out UserDefined data: */
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memset(&data->set, 0, sizeof(struct UserDefined));
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24
lib/multi.c
24
lib/multi.c
@ -351,6 +351,8 @@ CURLMcode curl_multi_add_handle(CURLM *multi_handle,
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{
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struct Curl_multi *multi=(struct Curl_multi *)multi_handle;
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struct Curl_one_easy *easy;
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struct closure *cl;
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struct closure *prev=NULL;
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/* First, make some basic checks that the CURLM handle is a good handle */
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if(!GOOD_MULTI_HANDLE(multi))
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@ -368,7 +370,21 @@ CURLMcode curl_multi_add_handle(CURLM *multi_handle,
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if(!easy)
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return CURLM_OUT_OF_MEMORY;
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easy->numsocks=0;
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cl = multi->closure;
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while(cl) {
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struct closure *next = cl->next;
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if(cl->easy_handle == easy_handle) {
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/* remove this handle from the closure list */
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free(cl);
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if(prev)
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prev->next = next;
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else
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multi->closure = next;
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break; /* no need to continue since this handle can only be present once
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in the list */
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}
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cl = next;
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}
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/* set the easy handle */
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easy->easy_handle = easy_handle;
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@ -1796,8 +1812,10 @@ static bool multi_conn_using(struct Curl_multi *multi,
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return FALSE;
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}
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/* add the given data pointer to the list of 'closure handles' that are
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kept around only to be able to close some connections nicely */
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/* Add the given data pointer to the list of 'closure handles' that are kept
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around only to be able to close some connections nicely - just make sure
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that this handle isn't already added, like for the cases when an easy
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handle is removed, added and removed again... */
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static void add_closure(struct Curl_multi *multi,
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struct SessionHandle *data)
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{
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@ -35,4 +35,4 @@ EXTRA_DIST = test1 test108 test117 test127 test20 test27 test34 test46 \
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test256 test257 test258 test259 test260 test261 test262 test263 test264 \
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test265 test266 test267 test268 test269 test270 test271 test272 test273 \
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test274 test275 test524 test525 test276 test277 test526 test527 test528 \
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test530 DISABLED test278 test279 test531 test280 test529
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test530 DISABLED test278 test279 test531 test280 test529 test532
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61
tests/data/test532
Normal file
61
tests/data/test532
Normal file
@ -0,0 +1,61 @@
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<info>
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<keywords>
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FTP
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PASV
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RETR
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</keywords>
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</info>
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# Server-side
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<reply>
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<data>
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file contents should appear once for each file
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</data>
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<datacheck>
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file contents should appear once for each file
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file contents should appear once for each file
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file contents should appear once for each file
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file contents should appear once for each file
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</datacheck>
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</reply>
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# Client-side
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<client>
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<server>
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ftp
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</server>
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<tool>
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lib532
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</tool>
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<name>
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FTP RETR same file using reset handles between each transfer
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</name>
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<command>
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ftp://%HOSTIP:%FTPPORT/path/532
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</command>
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</client>
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# Verify data after the test has been "shot"
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<verify>
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<strip>
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</strip>
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<protocol>
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USER anonymous
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PASS curl_by_daniel@haxx.se
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PWD
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CWD path
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EPSV
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TYPE I
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SIZE 532
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RETR 532
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EPSV
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SIZE 532
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RETR 532
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EPSV
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SIZE 532
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RETR 532
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EPSV
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SIZE 532
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RETR 532
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QUIT
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</protocol>
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</verify>
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@ -42,7 +42,7 @@ SUPPORTFILES = first.c test.h
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noinst_PROGRAMS = lib500 lib501 lib502 lib503 lib504 lib505 lib506 \
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lib507 lib508 lib509 lib510 lib511 lib512 lib513 lib514 lib515 lib516 \
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lib517 lib518 lib519 lib520 lib521 lib523 lib524 lib525 lib526 lib527 \
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lib529 lib530
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lib529 lib530 lib532
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lib500_SOURCES = lib500.c $(SUPPORTFILES)
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lib500_LDADD = $(LIBDIR)/libcurl.la
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@ -145,6 +145,7 @@ lib525_LDADD = $(LIBDIR)/libcurl.la
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lib525_DEPENDENCIES = $(LIBDIR)/libcurl.la
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lib526_SOURCES = lib526.c $(SUPPORTFILES)
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lib526_CFLAGS = -DLIB526
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lib526_LDADD = $(LIBDIR)/libcurl.la
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lib526_DEPENDENCIES = $(LIBDIR)/libcurl.la
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@ -162,3 +163,8 @@ lib530_SOURCES = lib530.c $(SUPPORTFILES)
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lib530_CFLAGS = -DLIB530
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lib530_LDADD = $(LIBDIR)/libcurl.la
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lib530_DEPENDENCIES = $(LIBDIR)/libcurl.la
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lib532_SOURCES = lib526.c $(SUPPORTFILES)
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lib532_CFLAGS = -DLIB532
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lib532_LDADD = $(LIBDIR)/libcurl.la
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lib532_DEPENDENCIES = $(LIBDIR)/libcurl.la
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@ -14,11 +14,17 @@
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* sharing within the multi handle all transfers are performed on the same
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* persistent connection.
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*
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* This source code is used for lib526 _and_ lib527 with only #ifdefs
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* controlling the small differences. lib526 closes all easy handles after
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* they all have transfered the file over the single connection, while lib527
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* closes each easy handle after each single transfer. 526 and 527 use FTP,
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* while 528 uses the lib526 tool but use HTTP.
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* This source code is used for lib526, lib527 and lib532 with only #ifdefs
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* controlling the small differences.
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*
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* - lib526 closes all easy handles after
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* they all have transfered the file over the single connection
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* - lib527 closes each easy handle after each single transfer.
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* - lib532 uses only a single easy handle that is removed, reset and then
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* re-added for each transfer
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*
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* Test case 526, 527 and 532 use FTP, while test 528 uses the lib526 tool but
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* with HTTP.
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*/
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#include "test.h"
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@ -78,7 +84,21 @@ int test(char *URL)
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#endif
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if(++current < NUM_HANDLES) {
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fprintf(stderr, "Advancing to URL %d\n", current);
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#ifdef LIB532
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/* first remove the only handle we use */
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curl_multi_remove_handle(m, curl[0]);
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/* make us re-use the same handle all the time, and try resetting
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the handle first too */
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curl_easy_reset(curl[0]);
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curl_easy_setopt(curl[0], CURLOPT_URL, URL);
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curl_easy_setopt(curl[0], CURLOPT_VERBOSE, 1);
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/* re-add it */
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res = (int)curl_multi_add_handle(m, curl[0]);
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#else
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res = (int)curl_multi_add_handle(m, curl[current]);
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#endif
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if(res) {
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fprintf(stderr, "add handle failed: %d.\n", res);
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res = 243;
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@ -121,7 +141,9 @@ int test(char *URL)
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#ifndef LIB527
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/* get NUM_HANDLES easy handles */
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for(i=0; i < NUM_HANDLES; i++) {
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#ifdef LIB526
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curl_multi_remove_handle(m, curl[i]);
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#endif
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curl_easy_cleanup(curl[i]);
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}
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#endif
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