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authorMichael Smith <mikesmiffy128@gmail.com>2024-08-03 16:11:57 +0100
committerMichael Smith <mikesmiffy128@gmail.com>2024-08-22 00:01:06 +0100
commit44902cb49cd51e2bb2f1cef05cb3c0e799b83434 (patch)
treeb64af413b10c32173aa535df22b5ee4162eb0290 /src/stubs
parent01ec55edd9f767bebb1222c88f0e53e9cf8b2d59 (diff)
Rework OS abstractions
- As much as possible avoid dragging system headers into translation units. This should avoid namespace pollution and, hopefully, speed up builds a little bit. - Avoid leaning on the UCRT so much on Windows - prefer native win32 calls and native file handles except where doing so is inconvenient (in particular, for stat(), which we might try and replace later). - Also, switch from SystemFunction036 to ProcessPrng on Windows. This requires us to generate a stub for bcryptprimitives.dll because Microsoft haven't bothered to provide a link library, but the function is better-documented and seems to be a more direct under-the-hood call as well. Apparently it's what's used by the major web browsers these days, which seems like a good indication it's stable and trusted. - Lastly, remove a bunch of functions and macros and stuff that weren't actually being used. It seems good to try and keep the scope of OS-dependent stuff relatively contained and only add to it when actually required.
Diffstat (limited to 'src/stubs')
-rw-r--r--src/stubs/BCryptPrimitives.c6
-rw-r--r--src/stubs/bcryptprimitives.def7
2 files changed, 13 insertions, 0 deletions
diff --git a/src/stubs/BCryptPrimitives.c b/src/stubs/BCryptPrimitives.c
new file mode 100644
index 0000000..afcaa7e
--- /dev/null
+++ b/src/stubs/BCryptPrimitives.c
@@ -0,0 +1,6 @@
+/* This file is dedicated to the public domain. */
+
+// We have to define a real function with the right number of arguments to get
+// the mangled symbol _ProcessPrng@8, which the .def file apparently turns
+// into an "undecorate" .lib entry through some undocumented magic (of course!).
+int __stdcall ProcessPrng(void *x, unsigned int y) { return 0; }
diff --git a/src/stubs/bcryptprimitives.def b/src/stubs/bcryptprimitives.def
new file mode 100644
index 0000000..9021d7c
--- /dev/null
+++ b/src/stubs/bcryptprimitives.def
@@ -0,0 +1,7 @@
+; This file is dedicated to the public domain.
+
+LIBRARY bcryptprimitives
+EXPORTS
+ ProcessPrng
+
+; vi: sw=4 ts=4 noet tw=80 cc=80