74 lines
1.5 KiB
C
74 lines
1.5 KiB
C
#pragma once
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#include <lib/type.h>
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/* Spec from https://man.openbsd.org/FreeBSD-12.0/cpio.5 */
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struct cpio_newc_header {
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char c_magic[6];
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char c_ino[8];
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char c_mode[8];
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char c_uid[8];
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char c_gid[8];
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char c_nlink[8];
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char c_mtime[8];
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char c_filesize[8];
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char c_devmajor[8];
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char c_devminor[8];
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char c_rdevmajor[8];
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char c_rdevminor[8];
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char c_namesize[8];
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char c_check[8];
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};
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struct cpio_header {
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char c_magic[6];
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u64 c_ino;
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u64 c_mode;
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u64 c_uid;
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u64 c_gid;
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u64 c_nlink;
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u64 c_mtime;
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u64 c_filesize;
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u64 c_devmajor;
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u64 c_devminor;
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u64 c_rdevmajor;
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u64 c_rdevminor;
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u64 c_namesize;
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u64 c_check;
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};
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#define cpio_fatal(fmt, ...) do { \
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fprintf(stderr, "CPIO tool fatal error: " fmt, ##__VA_ARGS__); \
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exit(-1); \
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} while (0)
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#define cpio_fatal_e(fmt, ...) do { \
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fprintf(stderr, "CPIO tool fatal error (%s): " fmt, \
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strerror(errno), ##__VA_ARGS__); \
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exit(-1); \
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} while (0)
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#define ALIGN4_UP(x) ((((u64)x) & (~3llu)) + ((!!(((u64)x) & 3)) << 2))
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struct cpio_file {
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struct cpio_header header;
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const char *name;
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const char *data;
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struct cpio_file *next;
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};
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struct {
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struct cpio_file head;
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struct cpio_file *tail;
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} g_files;
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void cpio_init_g_files(void);
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int cpio_extract_file(const void *addr, const char *dirat);
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void cpio_extract(const void *addr, const char *dirat);
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void *cpio_extract_single(const void *addr, const char *target,
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void *(*cpio_single_file_filler) (const void *start,
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size_t size,
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void *data),
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void *data);
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