Revert "mime: latch last read callback status."

This reverts commit 87869e38d7afdec3ef1bb4965711458b088e254f.

Fixes #5014
Closes #5015
Reopens #4833

13 files changed, 12 insertions, 616 deletions

diff --git a/lib/easy.c b/lib/easy.c
index 85a882a97..1a6912748 100644
--- a/lib/easy.c
+++ b/lib/easy.c
@@ -983,14 +983,6 @@ CURLcode curl_easy_pause(struct Curl_easy *data, int action)
   newstate |= ((action & CURLPAUSE_RECV)?KEEP_RECV_PAUSE:0) |
     ((action & CURLPAUSE_SEND)?KEEP_SEND_PAUSE:0);
 
-  /* Unpause parts in active mime tree. */
-  if((k->keepon & ~newstate & KEEP_SEND_PAUSE) &&
-     (data->mstate == CURLM_STATE_PERFORM ||
-      data->mstate == CURLM_STATE_TOOFAST) &&
-     data->state.fread_func == (curl_read_callback) Curl_mime_read) {
-    Curl_mime_unpause(data->state.in);
-  }
-
   /* put it back in the keepon */
   k->keepon = newstate;
 
diff --git a/lib/formdata.c b/lib/formdata.c
index 6103959cd..429d479da 100644
--- a/lib/formdata.c
+++ b/lib/formdata.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -730,15 +730,11 @@ int curl_formget(struct curl_httppost *form, void *arg,
 
     switch(nread) {
     default:
-      if(append(arg, buffer, nread) == nread)
-        break;
-      /* FALLTHROUGH */
-    case CURL_READFUNC_ABORT:
-      result = CURLE_ABORTED_BY_CALLBACK;
+      if(append(arg, buffer, nread) != nread)
+        result = CURLE_READ_ERROR;
       break;
-    case (size_t) -1:   /* Read error. */
-    case CURL_READFUNC_PAUSE:    /* Should not be paused. */
-      result = CURLE_READ_ERROR;
+    case CURL_READFUNC_ABORT:
+    case CURL_READFUNC_PAUSE:
       break;
     }
   }
diff --git a/lib/mime.c b/lib/mime.c
index 5f928a171..081e51e50 100644
--- a/lib/mime.c
+++ b/lib/mime.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -740,19 +740,9 @@ static size_t read_part_content(curl_mimepart *part,
 {
   size_t sz = 0;
 
-  switch(part->lastreadstatus) {
-  case 0:
-  case CURL_READFUNC_ABORT:
-  case CURL_READFUNC_PAUSE:
-  case READ_ERROR:
-    break;
-  default:
-    if(part->readfunc)
-      sz = part->readfunc(buffer, 1, bufsize, part->arg);
-    part->lastreadstatus = sz;
-    break;
-  }
-  return part->lastreadstatus;
+  if(part->readfunc)
+    sz = part->readfunc(buffer, 1, bufsize, part->arg);
+  return sz;
 }
 
 /* Read and encode part content. */
@@ -1041,7 +1031,6 @@ static int mime_part_rewind(curl_mimepart *part)
   if(res == CURL_SEEKFUNC_OK)
     mimesetstate(&part->state, targetstate, NULL);
 
-  part->lastreadstatus = 1; /* Successful read status. */
   return res;
 }
 
@@ -1084,7 +1073,6 @@ static void cleanup_part_content(curl_mimepart *part)
   part->datasize = (curl_off_t) 0;    /* No size yet. */
   cleanup_encoder_state(&part->encstate);
   part->kind = MIMEKIND_NONE;
-  part->lastreadstatus = 1; /* Successful read status. */
 }
 
 static void mime_subparts_free(void *ptr)
@@ -1250,7 +1238,6 @@ void Curl_mime_initpart(curl_mimepart *part, struct Curl_easy *easy)
 {
   memset((char *) part, 0, sizeof(*part));
   part->easy = easy;
-  part->lastreadstatus = 1; /* Successful read status. */
   mimesetstate(&part->state, MIMESTATE_BEGIN, NULL);
 }
 
@@ -1818,26 +1805,6 @@ CURLcode Curl_mime_prepare_headers(curl_mimepart *part,
   return ret;
 }
 
-/* Recursively reset paused status in the given part. */
-void Curl_mime_unpause(curl_mimepart *part)
-{
-  if(part) {
-    if(part->lastreadstatus == CURL_READFUNC_PAUSE)
-      part->lastreadstatus = 1; /* Successful read status. */
-    if(part->kind == MIMEKIND_MULTIPART) {
-      curl_mime *mime = (curl_mime *) part->arg;
-
-      if(mime) {
-        curl_mimepart *subpart;
-
-        for(subpart = mime->firstpart; subpart; subpart = subpart->nextpart)
-          Curl_mime_unpause(subpart);
-      }
-    }
-  }
-}
-
-
 #else /* !CURL_DISABLE_HTTP || !CURL_DISABLE_SMTP || !CURL_DISABLE_IMAP */
 
 /* Mime not compiled in: define stubs for externally-referenced functions. */
diff --git a/lib/mime.h b/lib/mime.h
index c6d374ec1..3241fdc1f 100644
--- a/lib/mime.h
+++ b/lib/mime.h
@@ -7,7 +7,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -125,7 +125,6 @@ struct curl_mimepart_s {
   mime_state state;                /* Current readback state. */
   const mime_encoder *encoder;     /* Content data encoder. */
   mime_encoder_state encstate;     /* Data encoder state. */
-  size_t lastreadstatus;           /* Last read callback returned status. */
 };
 
 CURLcode Curl_mime_add_header(struct curl_slist **slp, const char *fmt, ...);
@@ -148,7 +147,6 @@ size_t Curl_mime_read(char *buffer, size_t size, size_t nitems,
                       void *instream);
 CURLcode Curl_mime_rewind(curl_mimepart *part);
 const char *Curl_mime_contenttype(const char *filename);
-void Curl_mime_unpause(curl_mimepart *part);
 
 #else
 /* if disabled */
@@ -160,7 +158,6 @@ void Curl_mime_unpause(curl_mimepart *part);
 #define Curl_mime_size(x) (curl_off_t) -1
 #define Curl_mime_read NULL
 #define Curl_mime_rewind(x) ((void)x, CURLE_NOT_BUILT_IN)
-#define Curl_mime_unpause(x)
 #endif
 
 
diff --git a/tests/data/Makefile.inc b/tests/data/Makefile.inc
index 39739e500..dfc74320e 100644
--- a/tests/data/Makefile.inc
+++ b/tests/data/Makefile.inc
@@ -86,7 +86,6 @@ test635 test636 test637 test638 test639 test640 test641 test642 \
 test643 test644 test645 test646 test647 test648 test649 test650 test651 \
 test652 test653 test654 test655 test656 test658 test659 test660 test661 \
 test662 test663 \
-test670 test671 test672 test673 \
 \
 test700 test701 test702 test703 test704 test705 test706 test707 test708 \
 test709 test710 test711 test712 test713 test714 test715 test716 test717 \
diff --git a/tests/data/test644 b/tests/data/test644
index 256d3379a..4c9a501ed 100644
--- a/tests/data/test644
+++ b/tests/data/test644
@@ -50,7 +50,6 @@ Content-Type: multipart/form-data; boundary=----------------------------
 ------------------------------

 Content-Disposition: form-data; name="sendfile"; filename="postit2.c"

 

-
 </protocol>
 # CURLE_ABORTED_BY_CALLBACK (42)
 <errorcode>
diff --git a/tests/data/test670 b/tests/data/test670
deleted file mode 100644
index 19a51a4e0..000000000
--- a/tests/data/test670
+++ /dev/null
@@ -1,72 +0,0 @@
-<testcase>
-<info>
-<keywords>
-HTTP
-HTTP POST
-MIME
-</keywords>
-</info>
-
-#
-# Server-side
-<reply>
-<data>
-HTTP/1.1 200 OK

-Date: Thu, 09 Nov 2010 14:49:00 GMT

-Server: test-server/fake swsclose

-Connection: close

-Content-Type: text/html

-

-hello
-</data>
-<datacheck>
-HTTP/1.1 200 OK

-Date: Thu, 09 Nov 2010 14:49:00 GMT

-Server: test-server/fake swsclose

-Connection: close

-Content-Type: text/html

-

-hello
-</datacheck>
-</reply>
-
-# Client-side
-<client>
-<server>
-http
-</server>
-# tool is what to use instead of 'curl'
-<tool>
-lib670
-</tool>
-
- <name>
-Request pause from mime read callback: multi
- </name>
- <command>
-http://%HOSTIP:%HTTPPORT/670
-</command>
-</client>
-
-#
-# Verify data after the test has been "shot"
-<verify>
-<strippart>
-s/^--------------------------[a-z0-9]*/------------------------------/
-s/boundary=------------------------[a-z0-9]*/boundary=----------------------------/
-</strippart>
-<protocol>
-POST /670 HTTP/1.1

-Host: %HOSTIP:%HTTPPORT

-Accept: */*

-Content-Length: 142

-Content-Type: multipart/form-data; boundary=----------------------------

-

-------------------------------

-Content-Disposition: form-data; name="field"

-

-AB

---------------------------------

-</protocol>
-</verify>
-</testcase>
diff --git a/tests/data/test671 b/tests/data/test671
deleted file mode 100644
index eada50a6e..000000000
--- a/tests/data/test671
+++ /dev/null
@@ -1,72 +0,0 @@
-<testcase>
-<info>
-<keywords>
-HTTP
-HTTP POST
-MIME
-</keywords>
-</info>
-
-#
-# Server-side
-<reply>
-<data>
-HTTP/1.1 200 OK

-Date: Thu, 09 Nov 2010 14:49:00 GMT

-Server: test-server/fake swsclose

-Connection: close

-Content-Type: text/html

-

-hello
-</data>
-<datacheck>
-HTTP/1.1 200 OK

-Date: Thu, 09 Nov 2010 14:49:00 GMT

-Server: test-server/fake swsclose

-Connection: close

-Content-Type: text/html

-

-hello
-</datacheck>
-</reply>
-
-# Client-side
-<client>
-<server>
-http
-</server>
-# tool is what to use instead of 'curl'
-<tool>
-lib671
-</tool>
-
- <name>
-Request pause from mime read callback: easy
- </name>
- <command>
-http://%HOSTIP:%HTTPPORT/671
-</command>
-</client>
-
-#
-# Verify data after the test has been "shot"
-<verify>
-<strippart>
-s/^--------------------------[a-z0-9]*/------------------------------/
-s/boundary=------------------------[a-z0-9]*/boundary=----------------------------/
-</strippart>
-<protocol>
-POST /671 HTTP/1.1

-Host: %HOSTIP:%HTTPPORT

-Accept: */*

-Content-Length: 142

-Content-Type: multipart/form-data; boundary=----------------------------

-

-------------------------------

-Content-Disposition: form-data; name="field"

-

-AB

---------------------------------

-</protocol>
-</verify>
-</testcase>
diff --git a/tests/data/test672 b/tests/data/test672
deleted file mode 100644
index 9c5f24556..000000000
--- a/tests/data/test672
+++ /dev/null
@@ -1,72 +0,0 @@
-<testcase>
-<info>
-<keywords>
-HTTP
-HTTP POST
-FORM
-</keywords>
-</info>
-
-#
-# Server-side
-<reply>
-<data>
-HTTP/1.1 200 OK

-Date: Thu, 09 Nov 2010 14:49:00 GMT

-Server: test-server/fake swsclose

-Connection: close

-Content-Type: text/html

-

-hello
-</data>
-<datacheck>
-HTTP/1.1 200 OK

-Date: Thu, 09 Nov 2010 14:49:00 GMT

-Server: test-server/fake swsclose

-Connection: close

-Content-Type: text/html

-

-hello
-</datacheck>
-</reply>
-
-# Client-side
-<client>
-<server>
-http
-</server>
-# tool is what to use instead of 'curl'
-<tool>
-lib672
-</tool>
-
- <name>
-Request pause from form read callback: multi
- </name>
- <command>
-http://%HOSTIP:%HTTPPORT/672
-</command>
-</client>
-
-#
-# Verify data after the test has been "shot"
-<verify>
-<strippart>
-s/^--------------------------[a-z0-9]*/------------------------------/
-s/boundary=------------------------[a-z0-9]*/boundary=----------------------------/
-</strippart>
-<protocol>
-POST /672 HTTP/1.1

-Host: %HOSTIP:%HTTPPORT

-Accept: */*

-Content-Length: 142

-Content-Type: multipart/form-data; boundary=----------------------------

-

-------------------------------

-Content-Disposition: form-data; name="field"

-

-AB

---------------------------------

-</protocol>
-</verify>
-</testcase>
diff --git a/tests/data/test673 b/tests/data/test673
deleted file mode 100644
index efed2727b..000000000
--- a/tests/data/test673
+++ /dev/null
@@ -1,72 +0,0 @@
-<testcase>
-<info>
-<keywords>
-HTTP
-HTTP POST
-FORM
-</keywords>
-</info>
-
-#
-# Server-side
-<reply>
-<data>
-HTTP/1.1 200 OK

-Date: Thu, 09 Nov 2010 14:49:00 GMT

-Server: test-server/fake swsclose

-Connection: close

-Content-Type: text/html

-

-hello
-</data>
-<datacheck>
-HTTP/1.1 200 OK

-Date: Thu, 09 Nov 2010 14:49:00 GMT

-Server: test-server/fake swsclose

-Connection: close

-Content-Type: text/html

-

-hello
-</datacheck>
-</reply>
-
-# Client-side
-<client>
-<server>
-http
-</server>
-# tool is what to use instead of 'curl'
-<tool>
-lib673
-</tool>
-
- <name>
-Request pause from form read callback: easy
- </name>
- <command>
-http://%HOSTIP:%HTTPPORT/673
-</command>
-</client>
-
-#
-# Verify data after the test has been "shot"
-<verify>
-<strippart>
-s/^--------------------------[a-z0-9]*/------------------------------/
-s/boundary=------------------------[a-z0-9]*/boundary=----------------------------/
-</strippart>
-<protocol>
-POST /673 HTTP/1.1

-Host: %HOSTIP:%HTTPPORT

-Accept: */*

-Content-Length: 142

-Content-Type: multipart/form-data; boundary=----------------------------

-

-------------------------------

-Content-Disposition: form-data; name="field"

-

-AB

---------------------------------

-</protocol>
-</verify>
-</testcase>
diff --git a/tests/libtest/Makefile.inc b/tests/libtest/Makefile.inc
index 9652f03fe..95ef8309b 100644
--- a/tests/libtest/Makefile.inc
+++ b/tests/libtest/Makefile.inc
@@ -23,7 +23,6 @@ noinst_PROGRAMS = chkhostname libauthretry libntlmconnect                \
  lib583 lib585 lib586 lib587 lib589 lib590 lib591 lib597 lib598 lib599   \
  lib643 lib644 lib645 lib650 lib651 lib652 lib653 lib654 lib655 lib658   \
  lib659 lib661 \
- lib670 lib671 lib672 lib673 \
  lib1156 \
  lib1500 lib1501 lib1502 lib1503 lib1504 lib1505 lib1506 lib1507 lib1508 \
  lib1509 lib1510 lib1511 lib1512 lib1513 lib1514 lib1515         lib1517 \
@@ -349,22 +348,6 @@ lib659_CPPFLAGS = $(AM_CPPFLAGS)
 lib661_SOURCES = lib661.c $(SUPPORTFILES)
 lib661_CPPFLAGS = $(AM_CPPFLAGS)
 
-lib670_SOURCES = lib670.c $(SUPPORTFILES) $(TESTUTIL) $(WARNLESS)
-lib670_LDADD = $(TESTUTIL_LIBS)
-lib670_CPPFLAGS = $(AM_CPPFLAGS) -DLIB670
-
-lib671_SOURCES = lib670.c $(SUPPORTFILES) $(TESTUTIL) $(WARNLESS)
-lib671_LDADD = $(TESTUTIL_LIBS)
-lib671_CPPFLAGS = $(AM_CPPFLAGS) -DLIB671
-
-lib672_SOURCES = lib670.c $(SUPPORTFILES) $(TESTUTIL) $(WARNLESS)
-lib672_LDADD = $(TESTUTIL_LIBS)
-lib672_CPPFLAGS = $(AM_CPPFLAGS) -DLIB672
-
-lib673_SOURCES = lib670.c $(SUPPORTFILES) $(TESTUTIL) $(WARNLESS)
-lib673_LDADD = $(TESTUTIL_LIBS)
-lib673_CPPFLAGS = $(AM_CPPFLAGS) -DLIB673
-
 lib1500_SOURCES = lib1500.c $(SUPPORTFILES) $(TESTUTIL)
 lib1500_LDADD = $(TESTUTIL_LIBS)
 lib1500_CPPFLAGS = $(AM_CPPFLAGS)
diff --git a/tests/libtest/lib643.c b/tests/libtest/lib643.c
index 08c0f2e80..7432dfce8 100644
--- a/tests/libtest/lib643.c
+++ b/tests/libtest/lib643.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -41,20 +41,11 @@ struct WriteThis {
 static size_t read_callback(char *ptr, size_t size, size_t nmemb, void *userp)
 {
 #ifdef LIB644
-  static int count = 0;
   (void)ptr;
   (void)size;
   (void)nmemb;
   (void)userp;
-  switch(count++) {
-  case 0: /* Return a single byte. */
-    *ptr = '\n';
-    return 1;
-  case 1: /* Request abort. */
-    return CURL_READFUNC_ABORT;
-  }
-  printf("Wrongly called >2 times\n");
-  exit(1); /* trigger major failure */
+  return CURL_READFUNC_ABORT;
 #else
 
   struct WriteThis *pooh = (struct WriteThis *)userp;
diff --git a/tests/libtest/lib670.c b/tests/libtest/lib670.c
deleted file mode 100644
index 62e22623e..000000000
--- a/tests/libtest/lib670.c
+++ /dev/null
@@ -1,240 +0,0 @@
-/***************************************************************************
- *                                  _   _ ____  _
- *  Project                     ___| | | |  _ \| |
- *                             / __| | | | |_) | |
- *                            | (__| |_| |  _ <| |___
- *                             \___|\___/|_| \_\_____|
- *
- * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
- *
- * This software is licensed as described in the file COPYING, which
- * you should have received as part of this distribution. The terms
- * are also available at https://curl.haxx.se/docs/copyright.html.
- *
- * You may opt to use, copy, modify, merge, publish, distribute and/or sell
- * copies of the Software, and permit persons to whom the Software is
- * furnished to do so, under the terms of the COPYING file.
- *
- * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
- * KIND, either express or implied.
- *
- ***************************************************************************/
-
-#include <time.h>
-
-#include "test.h"
-
-#include "memdebug.h"
-
-#define PAUSE_TIME      2
-
-
-static const char name[] = "field";
-
-struct ReadThis {
-  CURL *easy;
-  time_t origin;
-  int count;
-};
-
-
-static size_t read_callback(char *ptr, size_t size, size_t nmemb, void *userp)
-{
-  struct ReadThis *pooh = (struct ReadThis *) userp;
-  time_t delta;
-
-  if(size * nmemb < 1)
-    return 0;
-
-  switch(pooh->count++) {
-  case 0:
-    *ptr = '\x41'; /* ASCII A. */
-    return 1;
-  case 1:
-    pooh->origin = time(NULL);
-    return CURL_READFUNC_PAUSE;
-  case 2:
-    delta = time(NULL) - pooh->origin;
-    *ptr = delta >= PAUSE_TIME? '\x42': '\x41'; /* ASCII A or B. */
-    return 1;
-  case 3:
-    return 0;
-  }
-  fprintf(stderr, "Read callback called after EOF\n");
-  exit(1);
-}
-
-#if !defined(LIB670) && !defined(LIB672)
-static int xferinfo(void *clientp, curl_off_t dltotal, curl_off_t dlnow,
-                    curl_off_t ultotal, curl_off_t ulnow)
-{
-  struct ReadThis *pooh = (struct ReadThis *) clientp;
-
-  (void) dltotal;
-  (void) dlnow;
-  (void) ultotal;
-  (void) ulnow;
-
-  if(pooh->origin && time(NULL) - pooh->origin >= PAUSE_TIME)
-    curl_easy_pause(pooh->easy, CURLPAUSE_CONT);
-
-  return 0;
-}
-#endif
-
-int test(char *URL)
-{
-#if defined(LIB670) || defined(LIB671)
-  curl_mime *mime = NULL;
-  curl_mimepart *part;
-#else
-  CURLFORMcode formrc;
-  struct curl_httppost *formpost = NULL;
-  struct curl_httppost *lastptr = NULL;
-#endif
-#if defined(LIB670) || defined(LIB672)
-  CURLM *multi = NULL;
-  CURLMcode mres;
-  CURLMsg *msg;
-  int msgs_left;
-  int still_running = 0;
-#endif
-
-  struct ReadThis pooh;
-  CURLcode result;
-  int res = TEST_ERR_FAILURE;
-
-  /*
-   * Check proper pausing/unpausing from a mime or form read callback.
-   */
-
-  if(curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
-    fprintf(stderr, "curl_global_init() failed\n");
-    return TEST_ERR_MAJOR_BAD;
-  }
-
-  pooh.origin = (time_t) 0;
-  pooh.count = 0;
-  pooh.easy = curl_easy_init();
-
-  /* First set the URL that is about to receive our POST. */
-  test_setopt(pooh.easy, CURLOPT_URL, URL);
-
-  /* get verbose debug output please */
-  test_setopt(pooh.easy, CURLOPT_VERBOSE, 1L);
-
-  /* include headers in the output */
-  test_setopt(pooh.easy, CURLOPT_HEADER, 1L);
-
-#if defined(LIB670) || defined(LIB671)
-  /* Build the mime tree. */
-  mime = curl_mime_init(pooh.easy);
-  part = curl_mime_addpart(mime);
-  result = curl_mime_name(part, name);
-  if(!result)
-    res = curl_mime_data_cb(part, (curl_off_t) 2, read_callback,
-                            NULL, NULL, &pooh);
-
-  if(result) {
-    fprintf(stderr,
-            "Something went wrong when building the mime structure: %d\n",
-            (int) result);
-    goto test_cleanup;
-  }
-
-  /* Bind mime data to its easy handle. */
-  if(!res)
-    test_setopt(pooh.easy, CURLOPT_MIMEPOST, mime);
-#else
-  /* Build the form. */
-  formrc = curl_formadd(&formpost, &lastptr,
-                        CURLFORM_COPYNAME, name,
-                        CURLFORM_STREAM, &pooh,
-                        CURLFORM_CONTENTLEN, (curl_off_t) 2,
-                        CURLFORM_END);
-  if(formrc) {
-    fprintf(stderr, "curl_formadd() = %d\n", (int) formrc);
-    goto test_cleanup;
-  }
-
-  /* We want to use our own read function. */
-  test_setopt(pooh.easy, CURLOPT_READFUNCTION, read_callback);
-
-  /* Send a multi-part formpost. */
-  test_setopt(pooh.easy, CURLOPT_HTTPPOST, formpost);
-#endif
-
-#if defined(LIB670) || defined(LIB672)
-  /* Use the multi interface. */
-  multi = curl_multi_init();
-  mres = curl_multi_add_handle(multi, pooh.easy);
-  while(!mres) {
-    struct timeval timeout;
-    int rc = 0;
-    fd_set fdread;
-    fd_set fdwrite;
-    fd_set fdexcept;
-    int maxfd = -1;
-
-    mres = curl_multi_perform(multi, &still_running);
-    if(!still_running || mres != CURLM_OK)
-      break;
-
-    if(pooh.origin && time(NULL) - pooh.origin >= PAUSE_TIME)
-      curl_easy_pause(pooh.easy, CURLPAUSE_CONT);
-
-    FD_ZERO(&fdread);
-    FD_ZERO(&fdwrite);
-    FD_ZERO(&fdexcept);
-    timeout.tv_sec = 0;
-    timeout.tv_usec = 1000000 * PAUSE_TIME / 10;
-    mres = curl_multi_fdset(multi, &fdread, &fdwrite, &fdexcept, &maxfd);
-    if(mres)
-      break;
-#ifdef _WIN32
-    if(maxfd == -1)
-      Sleep(100);
-    else
-#endif
-    rc = select(maxfd + 1, &fdread, &fdwrite, &fdexcept, &timeout);
-    if(rc == -1) {
-      fprintf(stderr, "Select error\n");
-      break;
-    }
-  }
-
-  if(mres != CURLM_OK)
-    for(;;) {
-      msg = curl_multi_info_read(multi, &msgs_left);
-      if(!msg)
-        break;
-      if(msg->msg == CURLMSG_DONE) {
-        result = msg->data.result;
-        res = (int) result;
-      }
-    }
-
-  curl_multi_remove_handle(multi, pooh.easy);
-  curl_multi_cleanup(multi);
-
-#else
-  /* Use the easy interface. */
-  test_setopt(pooh.easy, CURLOPT_XFERINFODATA, &pooh);
-  test_setopt(pooh.easy, CURLOPT_XFERINFOFUNCTION, xferinfo);
-  test_setopt(pooh.easy, CURLOPT_NOPROGRESS, 0L);
-  result = curl_easy_perform(pooh.easy);
-  res = (int) result;
-#endif
-
-
-test_cleanup:
-  curl_easy_cleanup(pooh.easy);
-#if defined(LIB670) || defined(LIB671)
-  curl_mime_free(mime);
-#else
-  curl_formfree(formpost);
-#endif
-
-  curl_global_cleanup();
-  return res;
-}