Revert "mime: latch last read callback status."

This reverts commit 87869e38d7afdec3ef1bb4965711458b088e254f.

Fixes #5014
Closes #5015
Reopens #4833

3 files changed, 2 insertions, 268 deletions

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;
-}