* child_info: Bump child_info "version".

(child_info): Move some fields from child_info_spawn to here.
* cygheap.cc: Make cygheap pointers NOCOPY.
* dcrt0.cc (dll_crt0_1): Copy cygwin heap here regardless of whether we've been
forked or execed.
* dtable.cc (dtable::fixup_after_fork): Just release close-on-exec fds.
* exceptions.cc (stackdump): Respond to C warning.
* fork.cc: Reorganize to minimize stack copying.
(fork_child): New function.
(fork_parent): Ditto.
(sync_with_child): Don't suspend the forkee.
(sync_with_parent): Ditto.  Make into a function.
* heap.cc (heap_init): Add some debugging output.
* path.cc (path_conv::check): Add an assertion.
(has_suffix): Ditto.
* security.cc (get_pw_sid): Defend against NULL.
* sigproc.cc (proc_subproc): Fix debugging output.
(wait_sig): Ditto.
* strace.cc: Make statics NO_COPY throughout.
(strace::vsprntf): Defend against NULL.

winsup/cygwin/path.cc

@@ -70,6 +70,7 @@ details. */
 #include "shared_info.h"
 #include "registry.h"
 #include "security.h"
+#include <assert.h>
 
 static int normalize_win32_path (const char *src, char *dst);
 static void slashify (const char *src, char *dst, int trailing_slash_p);
@@ -190,6 +191,7 @@ path_conv::check (const char *src, unsigned opt,
   for (;;)
     {
       MALLOC_CHECK;
+      assert (src);
       char *p = strrchr (src, '/');
       if (p)
 	{
@@ -2163,6 +2165,7 @@ done:
 static __inline char *
 has_suffix (const char *path, const suffix_info *suffixes)
 {
+  assert (path);
   char *ext = strrchr (path, '.');
   if (ext)
     for (const suffix_info *ex = suffixes; ex->name != NULL; ex++)