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cond |
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code |
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MODULE = CryptX PACKAGE = Crypt::Checksum::CRC32 |
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3
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PROTOTYPES: DISABLE |
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4
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5
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Crypt::Checksum::CRC32 |
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6
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new(Class) |
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7
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CODE: |
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8
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{ |
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9
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8
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Newz(0, RETVAL, 1, crc32_state); |
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10
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8
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50
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if (!RETVAL) croak("FATAL: Newz failed"); |
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11
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8
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crc32_init(RETVAL); /* returns void */ |
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12
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} |
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13
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OUTPUT: |
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14
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RETVAL |
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15
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16
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void |
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17
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DESTROY(Crypt::Checksum::CRC32 self) |
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18
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CODE: |
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19
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8
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Safefree(self); |
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20
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21
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void |
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22
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reset(Crypt::Checksum::CRC32 self) |
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23
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PPCODE: |
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24
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{ |
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25
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5
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crc32_init(self); /* returns void */ |
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26
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5
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50
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XPUSHs(ST(0)); /* return self */ |
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27
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} |
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28
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29
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Crypt::Checksum::CRC32 |
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clone(Crypt::Checksum::CRC32 self) |
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31
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CODE: |
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32
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0
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Newz(0, RETVAL, 1, crc32_state); |
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33
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0
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0
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if (!RETVAL) croak("FATAL: Newz failed"); |
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34
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0
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Copy(self, RETVAL, 1, crc32_state); |
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35
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OUTPUT: |
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RETVAL |
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37
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38
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void |
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39
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add(Crypt::Checksum::CRC32 self, ...) |
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40
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PPCODE: |
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41
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{ |
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42
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STRLEN inlen; |
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43
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int i; |
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44
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unsigned char *in; |
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45
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29
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100
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for(i=1; i
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46
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15
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50
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in = (unsigned char *)SvPVbyte(ST(i), inlen); |
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47
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15
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50
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if (inlen > 0) { |
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48
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15
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crc32_update(self, in, (unsigned long)inlen); /* returns void */ |
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49
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} |
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50
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} |
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51
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14
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50
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XPUSHs(ST(0)); /* return self */ |
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52
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} |
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53
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54
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SV * |
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55
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digest(Crypt::Checksum::CRC32 self) |
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56
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ALIAS: |
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57
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hexdigest = 1 |
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58
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intdigest = 2 |
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59
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CODE: |
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60
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{ |
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61
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int rv; |
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62
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unsigned char hash[4]; |
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63
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char out[9]; |
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64
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17
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unsigned long outlen = 9; |
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65
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unsigned int ui32; |
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66
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67
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17
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crc32_finish(self, hash, 4); /* returns void */ |
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68
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17
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100
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if (ix == 1) { |
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69
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13
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rv = base16_encode(hash, 4, out, &outlen, 0); |
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70
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13
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50
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if (rv != CRYPT_OK) croak("FATAL: base16_encode failed: %s", error_to_string(rv)); |
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71
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13
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RETVAL = newSVpvn(out, outlen); |
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72
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} |
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73
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4
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100
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else if (ix == 2) { |
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74
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2
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LOAD32H(ui32, hash); |
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75
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2
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RETVAL = newSVuv(ui32); |
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76
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} |
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77
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else { |
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78
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2
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RETVAL = newSVpvn((char *) hash, 4); |
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79
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} |
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80
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} |
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81
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OUTPUT: |
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82
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RETVAL |
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83
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84
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SV * |
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85
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crc32_data(...) |
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86
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ALIAS: |
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87
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crc32_data_hex = 1 |
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88
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crc32_data_int = 2 |
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89
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CODE: |
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90
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{ |
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91
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crc32_state st; |
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92
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int rv, j; |
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93
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unsigned char hash[4], *in; |
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94
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char out[9]; |
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95
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11
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unsigned long outlen = 9; |
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96
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unsigned int ui32; |
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97
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STRLEN inlen; |
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98
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99
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11
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crc32_init(&st); |
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100
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28
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100
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for(j = 0; j < items; j++) { |
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101
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17
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50
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in = (unsigned char *)SvPVbyte(ST(j), inlen); |
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102
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17
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50
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if (inlen > 0) { |
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103
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17
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crc32_update(&st, in, (unsigned long)inlen); /* returns void */ |
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104
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} |
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105
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} |
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106
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11
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crc32_finish(&st, hash, 4); /* returns void */ |
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107
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11
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100
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if (ix == 1) { |
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108
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5
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rv = base16_encode(hash, 4, out, &outlen, 0); |
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109
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5
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50
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if (rv != CRYPT_OK) croak("FATAL: base16_encode failed: %s", error_to_string(rv)); |
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110
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5
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RETVAL = newSVpvn(out, outlen); |
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111
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} |
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112
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6
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100
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else if (ix == 2) { |
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113
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4
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LOAD32H(ui32, hash); |
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114
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4
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RETVAL = newSVuv(ui32); |
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115
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} |
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116
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else { |
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117
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2
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RETVAL = newSVpvn((char *) hash, 4); |
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118
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} |
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119
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} |
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120
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OUTPUT: |
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121
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RETVAL |