curl: create easy handles on-demand and not ahead of time

This should again enable crazy-large download ranges of the style
[1-10000000] that otherwise easily ran out of memory starting in 7.66.0
when this new handle allocating scheme was introduced.

Reported-by: Peter Sumatra
Fixes #4393
Closes #4438

1 files changed, 16 insertions, 3 deletions

diff --git a/src/tool_cfgable.h b/src/tool_cfgable.h
index ff80f8eb8..7232c35e3 100644
--- a/src/tool_cfgable.h
+++ b/src/tool_cfgable.h
@@ -22,11 +22,9 @@
  *
  ***************************************************************************/
 #include "tool_setup.h"
-
 #include "tool_sdecls.h"
-
 #include "tool_metalink.h"
-
+#include "tool_urlglob.h"
 #include "tool_formparse.h"
 
 typedef enum {
@@ -37,6 +35,20 @@ typedef enum {
 
 struct GlobalConfig;
 
+struct State {
+  struct getout *urlnode;
+  URLGlob *inglob;
+  URLGlob *urls;
+  char *outfiles;
+  char *httpgetfields;
+  char *uploadfile;
+  unsigned long infilenum; /* number of files to upload */
+  unsigned long up;  /* upload file counter within a single upload glob */
+  unsigned long urlnum; /* how many iterations this single URL has with ranges
+                           etc */
+  unsigned long li;
+};
+
 struct OperationConfig {
   bool remote_time;
   char *random_file;
@@ -262,6 +274,7 @@ struct OperationConfig {
   struct GlobalConfig *global;
   struct OperationConfig *prev;
   struct OperationConfig *next;   /* Always last in the struct */
+  struct State state;             /* for create_transfer() */
 };
 
 struct GlobalConfig {