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-rw-r--r--shared/missing.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/shared/missing.h b/shared/missing.h
new file mode 100644
index 0000000..4c0d136
--- /dev/null
+++ b/shared/missing.h
@@ -0,0 +1,55 @@
+#pragma once
+
+#include <unistd.h>
+#include <sys/syscall.h>
+
+#ifdef HAVE_LINUX_MODULE_H
+#include <linux/module.h>
+#endif
+
+#ifndef MODULE_INIT_IGNORE_MODVERSIONS
+# define MODULE_INIT_IGNORE_MODVERSIONS 1
+#endif
+
+#ifndef MODULE_INIT_IGNORE_VERMAGIC
+# define MODULE_INIT_IGNORE_VERMAGIC 2
+#endif
+
+#ifndef __NR_finit_module
+# define __NR_finit_module -1
+#endif
+
+#ifndef HAVE_FINIT_MODULE
+#include <errno.h>
+
+static inline int finit_module(int fd, const char *uargs, int flags)
+{
+ if (__NR_finit_module == -1) {
+ errno = ENOSYS;
+ return -1;
+ }
+
+ return syscall(__NR_finit_module, fd, uargs, flags);
+}
+#endif
+
+#if !HAVE_DECL_STRNDUPA
+#define strndupa(s, n) \
+ ({ \
+ const char *__old = (s); \
+ size_t __len = strnlen(__old, (n)); \
+ char *__new = alloca(__len + 1); \
+ __new[__len] = '\0'; \
+ memcpy(__new, __old, __len); \
+ })
+#endif
+
+#if !HAVE_DECL_BE32TOH
+#include <endian.h>
+#include <byteswap.h>
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+#define be32toh(x) bswap_32 (x)
+#else
+#define be32toh(x) (x)
+#endif
+#endif