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from __future__ import annotations
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import cffi
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ffi = cffi.FFI()
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ffi.set_source(
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"mercurial.cffi._osutil",
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"""
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#include <sys/attr.h>
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#include <sys/vnode.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <time.h>
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typedef struct val_attrs {
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uint32_t length;
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attribute_set_t returned;
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attrreference_t name_info;
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fsobj_type_t obj_type;
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struct timespec mtime;
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uint32_t accessmask;
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off_t datalength;
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} __attribute__((aligned(4), packed)) val_attrs_t;
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""",
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include_dirs=['mercurial'],
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)
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ffi.cdef(
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'''
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typedef uint32_t attrgroup_t;
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typedef struct attrlist {
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uint16_t bitmapcount; /* number of attr. bit sets in list */
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uint16_t reserved; /* (to maintain 4-byte alignment) */
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attrgroup_t commonattr; /* common attribute group */
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attrgroup_t volattr; /* volume attribute group */
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attrgroup_t dirattr; /* directory attribute group */
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attrgroup_t fileattr; /* file attribute group */
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attrgroup_t forkattr; /* fork attribute group */
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...;
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};
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typedef struct attribute_set {
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...;
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} attribute_set_t;
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typedef struct attrreference {
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int attr_dataoffset;
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int attr_length;
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...;
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} attrreference_t;
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typedef int ... off_t;
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typedef struct val_attrs {
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uint32_t length;
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attribute_set_t returned;
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attrreference_t name_info;
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uint32_t obj_type;
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struct timespec mtime;
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uint32_t accessmask;
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off_t datalength;
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...;
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} val_attrs_t;
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/* the exact layout of the above struct will be figured out during build time */
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typedef int ... time_t;
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typedef struct timespec {
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time_t tv_sec;
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...;
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};
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int getattrlist(const char* path, struct attrlist * attrList, void * attrBuf,
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size_t attrBufSize, unsigned int options);
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int getattrlistbulk(int dirfd, struct attrlist * attrList, void * attrBuf,
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size_t attrBufSize, uint64_t options);
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#define ATTR_BIT_MAP_COUNT ...
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#define ATTR_CMN_NAME ...
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#define ATTR_CMN_OBJTYPE ...
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#define ATTR_CMN_MODTIME ...
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#define ATTR_CMN_ACCESSMASK ...
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#define ATTR_CMN_ERROR ...
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#define ATTR_CMN_RETURNED_ATTRS ...
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#define ATTR_FILE_DATALENGTH ...
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#define VREG ...
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#define VDIR ...
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#define VLNK ...
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#define VBLK ...
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#define VCHR ...
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#define VFIFO ...
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#define VSOCK ...
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#define S_IFMT ...
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int open(const char *path, int oflag, int perm);
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int close(int);
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#define O_RDONLY ...
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'''
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)
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if __name__ == '__main__':
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ffi.compile()
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