Move c_src dirs back to toplevel

We just wanted c sourcefiles out of the top level, not c source
directories.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

1 files changed, 0 insertions, 70 deletions

diff --git a/c_src/include/linux/random.h b/c_src/include/linux/random.h
deleted file mode 100644
index 3203d13c..00000000
--- a/c_src/include/linux/random.h
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- * include/linux/random.h
- *
- * Include file for the random number generator.
- */
-#ifndef _LINUX_RANDOM_H
-#define _LINUX_RANDOM_H
-
-#include <unistd.h>
-#include <sys/syscall.h>
-#include <linux/bug.h>
-#include <linux/log2.h>
-
-#ifdef SYS_getrandom
-static inline int getrandom(void *buf, size_t buflen, unsigned int flags)
-{
-	 return syscall(SYS_getrandom, buf, buflen, flags);
-}
-#else
-extern int urandom_fd;
-
-static inline int getrandom(void *buf, size_t buflen, unsigned int flags)
-{
-	return read(urandom_fd, buf, buflen);
-}
-#endif
-
-static inline void get_random_bytes(void *buf, int nbytes)
-{
-	BUG_ON(getrandom(buf, nbytes, 0) != nbytes);
-}
-
-#define get_random_type(type)				\
-static inline type get_random_##type(void)		\
-{							\
-	type v;						\
-							\
-	get_random_bytes(&v, sizeof(v));		\
-	return v;					\
-}
-
-get_random_type(int);
-get_random_type(long);
-get_random_type(u8);
-get_random_type(u16);
-get_random_type(u32);
-get_random_type(u64);
-
-static inline u32 get_random_u32_below(u32 ceil)
-{
-	if (ceil <= 1)
-		return 0;
-	for (;;) {
-		if (ceil <= 1U << 8) {
-			u32 mult = ceil * get_random_u8();
-			if (likely(is_power_of_2(ceil) || (u8)mult >= (1U << 8) % ceil))
-				return mult >> 8;
-		} else if (ceil <= 1U << 16) {
-			u32 mult = ceil * get_random_u16();
-			if (likely(is_power_of_2(ceil) || (u16)mult >= (1U << 16) % ceil))
-				return mult >> 16;
-		} else {
-			u64 mult = (u64)ceil * get_random_u32();
-			if (likely(is_power_of_2(ceil) || (u32)mult >= -ceil % ceil))
-				return mult >> 32;
-		}
-	}
-}
-
-#endif /* _LINUX_RANDOM_H */