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authorMichael Smith <mikesmiffy128@gmail.com>2021-12-30 16:18:25 +0000
committerMichael Smith <mikesmiffy128@gmail.com>2021-12-30 16:18:25 +0000
commitf7cc6b4dcc164403d62c9b48ae37f1c4c20f4b4f (patch)
tree01e10063327d80bc265efdec6680ed38147a87b9 /src/os.c
parent0f232d8eaee1f94896596a9969982297cee7dc67 (diff)
Split up os.h, inline functions and fix some typos
Diffstat (limited to 'src/os.c')
-rw-r--r--src/os.c56
1 files changed, 0 insertions, 56 deletions
diff --git a/src/os.c b/src/os.c
deleted file mode 100644
index 96e3c48..0000000
--- a/src/os.c
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * Copyright © 2021 Michael Smith <mikesmiffy128@gmail.com>
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
- * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include <stdbool.h>
-
-#include "intdefs.h"
-#include "os.h"
-
-#ifdef _WIN32
-// SystemFunction036 is the *real* name of "RtlGenRandom," and is also
-// incorrectly defined in system headers. Yay, Windows.
-int __stdcall SystemFunction036(void *buf, ulong sz);
-#endif
-
-bool os_mprot(void *addr, int len, int fl) {
-#ifdef _WIN32
- ulong old;
- return !!VirtualProtect(addr, len, fl, &old);
-#else
- // round down address and round up size
- addr = (void *)((ulong)addr & ~(4095));
- len = len + 4095 & ~(4095);
- return mprotect(addr, len, fl) != -1;
-#endif
-}
-
-#ifdef _WIN32
-void *os_dlsym(void *m, const char *s) {
- return (void *)GetProcAddress(m, s);
-}
-#endif
-
-void os_randombytes(void *buf, int sz) {
- // if these calls ever fail, the system is fundamentally broken with no
- // recourse, so just loop until success. hopefully nothing will go wrong.
-#ifdef _WIN32
- while (!SystemFunction036(buf, sz));
-#else
- while (getentropy(buf, sz) == -1);
-#endif
-}
-
-// vi: sw=4 ts=4 noet tw=80 cc=80