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#include "moment.h" |
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2
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#include "dt_core.h" |
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3
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#include "dt_parse_iso.h" |
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4
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5
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static int |
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6
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66
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parse_string_lenient(const char *str, size_t len, int64_t *sp, IV *np, IV *op) { |
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7
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size_t n; |
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8
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dt_t dt; |
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9
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char c; |
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10
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int sod, nanosecond, offset; |
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11
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12
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66
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n = dt_parse_iso_date(str, len, &dt); |
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13
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66
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50
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if (!n || n == len) |
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50
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14
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0
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return 1; |
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15
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16
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66
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c = str[n++]; |
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17
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66
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100
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if (!(c == 'T' || c == 't' || c == ' ')) |
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100
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50
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18
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0
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return 1; |
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66
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str += n; |
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21
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66
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len -= n; |
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23
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66
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n = dt_parse_iso_time(str, len, &sod, &nanosecond); |
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24
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66
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50
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if (!n || n == len) |
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50
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25
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0
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return 1; |
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26
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27
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66
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100
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if (str[n] == ' ') |
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28
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27
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n++; |
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29
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30
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66
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str += n; |
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31
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66
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len -= n; |
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32
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33
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66
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n = dt_parse_iso_zone_lenient(str, len, &offset); |
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34
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66
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50
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if (!n || n != len) |
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50
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35
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0
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return 1; |
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37
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66
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*sp = ((int64_t)dt_rdn(dt) - 719163) * 86400 + sod - offset * 60; |
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38
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66
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*np = nanosecond; |
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39
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66
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*op = offset; |
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40
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66
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return 0; |
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41
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} |
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43
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static int |
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44
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200
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parse_string_strict(const char *str, size_t len, int64_t *sp, IV *np, IV *op) { |
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45
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size_t n; |
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46
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dt_t dt; |
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47
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int sod, nanosecond, offset; |
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48
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bool extended; |
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49
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50
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200
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n = dt_parse_iso_date(str, len, &dt); |
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51
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200
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50
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if (!n || n == len) |
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50
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52
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0
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return 1; |
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53
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54
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/* |
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55
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* 0123456789 |
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56
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* 2012-12-14 |
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57
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*/ |
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58
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200
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extended = str[4] == '-'; |
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59
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200
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100
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if (str[n++] != 'T') |
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60
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62
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return 1; |
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61
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62
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138
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str += n; |
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63
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138
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len -= n; |
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64
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65
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138
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100
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if (extended) |
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66
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123
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n = dt_parse_iso_time_extended(str, len, &sod, &nanosecond); |
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67
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else |
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68
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15
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n = dt_parse_iso_time_basic(str, len, &sod, &nanosecond); |
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69
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70
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138
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100
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if (!n || n == len) |
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50
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71
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1
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return 1; |
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72
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73
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137
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str += n; |
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74
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137
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len -= n; |
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75
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76
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137
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100
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if (extended) |
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77
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122
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n = dt_parse_iso_zone_extended(str, len, &offset); |
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78
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else |
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79
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15
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n = dt_parse_iso_zone_basic(str, len, &offset); |
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80
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81
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137
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100
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if (!n || n != len) |
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100
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82
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3
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return 1; |
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83
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84
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134
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*sp = ((int64_t)dt_rdn(dt) - 719163) * 86400 + sod - offset * 60; |
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85
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134
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*np = nanosecond; |
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86
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134
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*op = offset; |
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87
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200
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return 0; |
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88
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} |
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89
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90
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moment_t |
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91
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266
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THX_moment_from_string(pTHX_ const char *str, STRLEN len, bool lenient) { |
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92
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int ret; |
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93
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int64_t seconds; |
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94
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IV nanosecond, offset; |
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95
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96
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266
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100
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if (lenient) |
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97
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66
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ret = parse_string_lenient(str, len, &seconds, &nanosecond, &offset); |
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98
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else |
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99
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200
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ret = parse_string_strict(str, len, &seconds, &nanosecond, &offset); |
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100
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101
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266
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100
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if (ret != 0) |
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102
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66
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croak("Could not parse the given string"); |
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103
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104
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200
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return moment_from_epoch(seconds, nanosecond, offset); |
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105
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} |
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106
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