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@@ -1,56 +1,55 b'' | |||
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1 | 1 | # Files that just need to be migrated to the formatter. |
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2 | 2 | # Do not add new files here! |
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3 | mercurial/cext/base85.c | |
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4 | 3 | mercurial/cext/dirs.c |
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5 | 4 | mercurial/cext/manifest.c |
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6 | 5 | mercurial/cext/mpatch.c |
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7 | 6 | mercurial/cext/osutil.c |
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8 | 7 | mercurial/cext/revlog.c |
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9 | 8 | # Vendored code that we should never format: |
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10 | 9 | contrib/python-zstandard/c-ext/bufferutil.c |
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11 | 10 | contrib/python-zstandard/c-ext/compressiondict.c |
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12 | 11 | contrib/python-zstandard/c-ext/compressionparams.c |
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13 | 12 | contrib/python-zstandard/c-ext/compressionwriter.c |
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14 | 13 | contrib/python-zstandard/c-ext/compressobj.c |
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15 | 14 | contrib/python-zstandard/c-ext/compressor.c |
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16 | 15 | contrib/python-zstandard/c-ext/compressoriterator.c |
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17 | 16 | contrib/python-zstandard/c-ext/constants.c |
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18 | 17 | contrib/python-zstandard/c-ext/decompressionwriter.c |
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19 | 18 | contrib/python-zstandard/c-ext/decompressobj.c |
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20 | 19 | contrib/python-zstandard/c-ext/decompressor.c |
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21 | 20 | contrib/python-zstandard/c-ext/decompressoriterator.c |
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22 | 21 | contrib/python-zstandard/c-ext/frameparams.c |
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23 | 22 | contrib/python-zstandard/c-ext/python-zstandard.h |
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24 | 23 | contrib/python-zstandard/zstd.c |
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25 | 24 | contrib/python-zstandard/zstd/common/bitstream.h |
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26 | 25 | contrib/python-zstandard/zstd/common/entropy_common.c |
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27 | 26 | contrib/python-zstandard/zstd/common/error_private.c |
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28 | 27 | contrib/python-zstandard/zstd/common/error_private.h |
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29 | 28 | contrib/python-zstandard/zstd/common/fse.h |
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30 | 29 | contrib/python-zstandard/zstd/common/fse_decompress.c |
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31 | 30 | contrib/python-zstandard/zstd/common/huf.h |
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32 | 31 | contrib/python-zstandard/zstd/common/mem.h |
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33 | 32 | contrib/python-zstandard/zstd/common/pool.c |
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34 | 33 | contrib/python-zstandard/zstd/common/pool.h |
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35 | 34 | contrib/python-zstandard/zstd/common/threading.c |
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36 | 35 | contrib/python-zstandard/zstd/common/threading.h |
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37 | 36 | contrib/python-zstandard/zstd/common/xxhash.c |
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38 | 37 | contrib/python-zstandard/zstd/common/xxhash.h |
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39 | 38 | contrib/python-zstandard/zstd/common/zstd_common.c |
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40 | 39 | contrib/python-zstandard/zstd/common/zstd_errors.h |
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41 | 40 | contrib/python-zstandard/zstd/common/zstd_internal.h |
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42 | 41 | contrib/python-zstandard/zstd/compress/fse_compress.c |
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43 | 42 | contrib/python-zstandard/zstd/compress/huf_compress.c |
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44 | 43 | contrib/python-zstandard/zstd/compress/zstd_compress.c |
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45 | 44 | contrib/python-zstandard/zstd/compress/zstd_opt.h |
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46 | 45 | contrib/python-zstandard/zstd/compress/zstdmt_compress.c |
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47 | 46 | contrib/python-zstandard/zstd/compress/zstdmt_compress.h |
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48 | 47 | contrib/python-zstandard/zstd/decompress/huf_decompress.c |
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49 | 48 | contrib/python-zstandard/zstd/decompress/zstd_decompress.c |
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50 | 49 | contrib/python-zstandard/zstd/dictBuilder/cover.c |
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51 | 50 | contrib/python-zstandard/zstd/dictBuilder/divsufsort.c |
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52 | 51 | contrib/python-zstandard/zstd/dictBuilder/divsufsort.h |
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53 | 52 | contrib/python-zstandard/zstd/dictBuilder/zdict.c |
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54 | 53 | contrib/python-zstandard/zstd/dictBuilder/zdict.h |
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55 | 54 | contrib/python-zstandard/zstd/zstd.h |
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56 | 55 | hgext/fsmonitor/pywatchman/bser.c |
@@ -1,185 +1,182 b'' | |||
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1 | 1 | /* |
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2 | 2 | base85 codec |
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3 | 3 | |
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4 | 4 | Copyright 2006 Brendan Cully <brendan@kublai.com> |
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5 | 5 | |
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6 | 6 | This software may be used and distributed according to the terms of |
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7 | 7 | the GNU General Public License, incorporated herein by reference. |
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8 | 8 | |
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9 | 9 | Largely based on git's implementation |
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10 | 10 | */ |
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11 | 11 | |
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12 | 12 | #define PY_SSIZE_T_CLEAN |
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13 | 13 | #include <Python.h> |
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14 | 14 | |
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15 | 15 | #include "util.h" |
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16 | 16 | |
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17 |
static const char b85chars[] = |
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18 | "abcdefghijklmnopqrstuvwxyz!#$%&()*+-;<=>?@^_`{|}~"; | |
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17 | static const char b85chars[] = | |
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18 | "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
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19 | "abcdefghijklmnopqrstuvwxyz!#$%&()*+-;<=>?@^_`{|}~"; | |
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19 | 20 | static char b85dec[256]; |
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20 | 21 | |
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21 | 22 | static void b85prep(void) |
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22 | 23 | { |
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23 | 24 | unsigned i; |
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24 | 25 | |
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25 | 26 | memset(b85dec, 0, sizeof(b85dec)); |
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26 | 27 | for (i = 0; i < sizeof(b85chars); i++) |
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27 | 28 | b85dec[(int)(b85chars[i])] = i + 1; |
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28 | 29 | } |
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29 | 30 | |
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30 | 31 | static PyObject *b85encode(PyObject *self, PyObject *args) |
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31 | 32 | { |
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32 | 33 | const unsigned char *text; |
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33 | 34 | PyObject *out; |
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34 | 35 | char *dst; |
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35 | 36 | Py_ssize_t len, olen, i; |
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36 | 37 | unsigned int acc, val, ch; |
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37 | 38 | int pad = 0; |
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38 | 39 | |
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39 | 40 | if (!PyArg_ParseTuple(args, "s#|i", &text, &len, &pad)) |
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40 | 41 | return NULL; |
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41 | 42 | |
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42 | 43 | if (pad) |
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43 | 44 | olen = ((len + 3) / 4 * 5) - 3; |
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44 | 45 | else { |
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45 | 46 | olen = len % 4; |
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46 | 47 | if (olen) |
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47 | 48 | olen++; |
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48 | 49 | olen += len / 4 * 5; |
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49 | 50 | } |
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50 | 51 | if (!(out = PyBytes_FromStringAndSize(NULL, olen + 3))) |
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51 | 52 | return NULL; |
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52 | 53 | |
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53 | 54 | dst = PyBytes_AsString(out); |
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54 | 55 | |
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55 | 56 | while (len) { |
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56 | 57 | acc = 0; |
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57 | 58 | for (i = 24; i >= 0; i -= 8) { |
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58 | 59 | ch = *text++; |
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59 | 60 | acc |= ch << i; |
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60 | 61 | if (--len == 0) |
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61 | 62 | break; |
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62 | 63 | } |
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63 | 64 | for (i = 4; i >= 0; i--) { |
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64 | 65 | val = acc % 85; |
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65 | 66 | acc /= 85; |
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66 | 67 | dst[i] = b85chars[val]; |
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67 | 68 | } |
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68 | 69 | dst += 5; |
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69 | 70 | } |
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70 | 71 | |
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71 | 72 | if (!pad) |
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72 | 73 | _PyBytes_Resize(&out, olen); |
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73 | 74 | |
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74 | 75 | return out; |
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75 | 76 | } |
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76 | 77 | |
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77 | 78 | static PyObject *b85decode(PyObject *self, PyObject *args) |
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78 | 79 | { |
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79 | 80 | PyObject *out; |
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80 | 81 | const char *text; |
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81 | 82 | char *dst; |
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82 | 83 | Py_ssize_t len, i, j, olen, cap; |
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83 | 84 | int c; |
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84 | 85 | unsigned int acc; |
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85 | 86 | |
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86 | 87 | if (!PyArg_ParseTuple(args, "s#", &text, &len)) |
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87 | 88 | return NULL; |
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88 | 89 | |
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89 | 90 | olen = len / 5 * 4; |
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90 | 91 | i = len % 5; |
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91 | 92 | if (i) |
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92 | 93 | olen += i - 1; |
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93 | 94 | if (!(out = PyBytes_FromStringAndSize(NULL, olen))) |
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94 | 95 | return NULL; |
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95 | 96 | |
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96 | 97 | dst = PyBytes_AsString(out); |
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97 | 98 | |
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98 | 99 | i = 0; |
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99 | 100 | while (i < len) { |
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100 | 101 | acc = 0; |
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101 | 102 | cap = len - i - 1; |
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102 | 103 | if (cap > 4) |
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103 | 104 | cap = 4; |
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104 | 105 | for (j = 0; j < cap; i++, j++) { |
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105 | 106 | c = b85dec[(int)*text++] - 1; |
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106 | 107 | if (c < 0) |
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107 | 108 | return PyErr_Format( |
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108 |
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109 |
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110 |
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109 | PyExc_ValueError, | |
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110 | "bad base85 character at position %d", | |
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111 | (int)i); | |
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111 | 112 | acc = acc * 85 + c; |
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112 | 113 | } |
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113 | 114 | if (i++ < len) { |
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114 | 115 | c = b85dec[(int)*text++] - 1; |
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115 | 116 | if (c < 0) |
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116 | 117 | return PyErr_Format( |
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117 |
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118 |
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119 |
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118 | PyExc_ValueError, | |
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119 | "bad base85 character at position %d", | |
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120 | (int)i); | |
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120 | 121 | /* overflow detection: 0xffffffff == "|NsC0", |
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121 | 122 | * "|NsC" == 0x03030303 */ |
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122 | 123 | if (acc > 0x03030303 || (acc *= 85) > 0xffffffff - c) |
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123 | 124 | return PyErr_Format( |
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124 |
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125 |
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126 |
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125 | PyExc_ValueError, | |
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126 | "bad base85 sequence at position %d", | |
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127 | (int)i); | |
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127 | 128 | acc += c; |
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128 | 129 | } |
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129 | 130 | |
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130 | 131 | cap = olen < 4 ? olen : 4; |
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131 | 132 | olen -= cap; |
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132 | 133 | for (j = 0; j < 4 - cap; j++) |
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133 | 134 | acc *= 85; |
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134 | 135 | if (cap && cap < 4) |
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135 | 136 | acc += 0xffffff >> (cap - 1) * 8; |
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136 | 137 | for (j = 0; j < cap; j++) { |
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137 | 138 | acc = (acc << 8) | (acc >> 24); |
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138 | 139 | *dst++ = acc; |
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139 | 140 | } |
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140 | 141 | } |
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141 | 142 | |
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142 | 143 | return out; |
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143 | 144 | } |
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144 | 145 | |
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145 | 146 | static char base85_doc[] = "Base85 Data Encoding"; |
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146 | 147 | |
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147 | 148 | static PyMethodDef methods[] = { |
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148 |
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149 |
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150 |
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151 |
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152 |
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153 |
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149 | {"b85encode", b85encode, METH_VARARGS, | |
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150 | "Encode text in base85.\n\n" | |
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151 | "If the second parameter is true, pad the result to a multiple of " | |
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152 | "five characters.\n"}, | |
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153 | {"b85decode", b85decode, METH_VARARGS, "Decode base85 text.\n"}, | |
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154 | {NULL, NULL}, | |
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154 | 155 | }; |
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155 | 156 | |
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156 | 157 | static const int version = 1; |
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157 | 158 | |
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158 | 159 | #ifdef IS_PY3K |
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159 | 160 | static struct PyModuleDef base85_module = { |
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160 | PyModuleDef_HEAD_INIT, | |
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161 | "base85", | |
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162 | base85_doc, | |
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163 | -1, | |
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164 | methods | |
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161 | PyModuleDef_HEAD_INIT, "base85", base85_doc, -1, methods, | |
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165 | 162 | }; |
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166 | 163 | |
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167 | 164 | PyMODINIT_FUNC PyInit_base85(void) |
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168 | 165 | { |
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169 | 166 | PyObject *m; |
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170 | 167 | b85prep(); |
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171 | 168 | |
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172 | 169 | m = PyModule_Create(&base85_module); |
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173 | 170 | PyModule_AddIntConstant(m, "version", version); |
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174 | 171 | return m; |
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175 | 172 | } |
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176 | 173 | #else |
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177 | 174 | PyMODINIT_FUNC initbase85(void) |
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178 | 175 | { |
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179 | 176 | PyObject *m; |
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180 | 177 | m = Py_InitModule3("base85", methods, base85_doc); |
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181 | 178 | |
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182 | 179 | b85prep(); |
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183 | 180 | PyModule_AddIntConstant(m, "version", version); |
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184 | 181 | } |
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185 | 182 | #endif |
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