annotate mercurial/cffi/osutilbuild.py @ 50896:b2b8c25f9462

hgwebmod: use sysstr to check for attribute presence We do not need bytes here.
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Wed, 30 Aug 2023 13:28:09 +0200
parents 6000f5b25c9b
children f4733654f144
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1 import cffi
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2
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3 ffi = cffi.FFI()
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4 ffi.set_source(
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5 "mercurial.cffi._osutil",
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6 """
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7 #include <sys/attr.h>
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8 #include <sys/vnode.h>
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9 #include <unistd.h>
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10 #include <fcntl.h>
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11 #include <time.h>
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12
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13 typedef struct val_attrs {
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14 uint32_t length;
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15 attribute_set_t returned;
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16 attrreference_t name_info;
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17 fsobj_type_t obj_type;
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18 struct timespec mtime;
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19 uint32_t accessmask;
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20 off_t datalength;
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21 } __attribute__((aligned(4), packed)) val_attrs_t;
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22 """,
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23 include_dirs=['mercurial'],
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24 )
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25 ffi.cdef(
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26 '''
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28 typedef uint32_t attrgroup_t;
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29
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30 typedef struct attrlist {
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31 uint16_t bitmapcount; /* number of attr. bit sets in list */
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32 uint16_t reserved; /* (to maintain 4-byte alignment) */
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33 attrgroup_t commonattr; /* common attribute group */
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34 attrgroup_t volattr; /* volume attribute group */
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35 attrgroup_t dirattr; /* directory attribute group */
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36 attrgroup_t fileattr; /* file attribute group */
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37 attrgroup_t forkattr; /* fork attribute group */
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38 ...;
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39 };
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40
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41 typedef struct attribute_set {
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42 ...;
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43 } attribute_set_t;
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45 typedef struct attrreference {
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46 int attr_dataoffset;
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47 int attr_length;
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48 ...;
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49 } attrreference_t;
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50
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51 typedef int ... off_t;
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52
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53 typedef struct val_attrs {
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54 uint32_t length;
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55 attribute_set_t returned;
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56 attrreference_t name_info;
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57 uint32_t obj_type;
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58 struct timespec mtime;
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59 uint32_t accessmask;
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60 off_t datalength;
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61 ...;
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62 } val_attrs_t;
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63
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64 /* the exact layout of the above struct will be figured out during build time */
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65
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66 typedef int ... time_t;
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67
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68 typedef struct timespec {
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69 time_t tv_sec;
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70 ...;
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71 };
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72
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73 int getattrlist(const char* path, struct attrlist * attrList, void * attrBuf,
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74 size_t attrBufSize, unsigned int options);
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75
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76 int getattrlistbulk(int dirfd, struct attrlist * attrList, void * attrBuf,
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77 size_t attrBufSize, uint64_t options);
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78
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79 #define ATTR_BIT_MAP_COUNT ...
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80 #define ATTR_CMN_NAME ...
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81 #define ATTR_CMN_OBJTYPE ...
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82 #define ATTR_CMN_MODTIME ...
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83 #define ATTR_CMN_ACCESSMASK ...
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84 #define ATTR_CMN_ERROR ...
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85 #define ATTR_CMN_RETURNED_ATTRS ...
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86 #define ATTR_FILE_DATALENGTH ...
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87
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88 #define VREG ...
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89 #define VDIR ...
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90 #define VLNK ...
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91 #define VBLK ...
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92 #define VCHR ...
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93 #define VFIFO ...
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94 #define VSOCK ...
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95
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96 #define S_IFMT ...
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97
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98 int open(const char *path, int oflag, int perm);
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99 int close(int);
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100
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101 #define O_RDONLY ...
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102 '''
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103 )
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104
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105 if __name__ == '__main__':
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106 ffi.compile()