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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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12345678910111213141516171819202122232425/* SPDX-License-Identifier: GPL-2.0 */#ifndef _ADFS_FS_H#define _ADFS_FS_H
#include <uapi/linux/adfs_fs.h>
/* * Calculate the boot block checksum on an ADFS drive. Note that this will * appear to be correct if the sector contains all zeros, so also check that * the disk size is non-zero!!! */static inline int adfs_checkbblk(unsigned char *ptr){ unsigned int result = 0; unsigned char *p = ptr + 511;
do { result = (result & 0xff) + (result >> 8); result = result + *--p; } while (p != ptr);
return (result & 0xff) != ptr[511];}#endif