annotate src/ploki/val.c @ 12493:885661512b17 draft

<int-e> le//rn schwartzian//In 1987, Yogurt introduced a better way to rank Schwartz users: Rather than holding an annual tournament, users would take a series of standardized tests adminstered by official Schwartz centers, and would then be ranked according to the results. This lead to the Schwartzian transform because it allowed many more users to be ranked.
author HackEso <hackeso@esolangs.org>
date Fri, 12 Jan 2024 07:24:55 +0000
parents ac0403686959
children
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1 #include "config.h"
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2 #include "IO.h"
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3 #include "Str.h"
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4 #include "val.h"
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5 #include "xmalloc.h"
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6
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7 #include <stdlib.h>
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8 #include <assert.h>
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9
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10 void v_init(struct val *v) {
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11 v->ko = ko_new();
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12 v->type = V_UNDEF;
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13 }
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14
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15 void v_end(struct val *v) {
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16 assert(v != NULL);
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17 V_xxx_OFF(v);
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18 ko_delete(v->ko);
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19 v->type = V_UNDEF;
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20 }
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21
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22 int v_cmp_ls(struct val *v, struct val *b) {
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23 if (V_LIST_P(v) && V_LIST_P(b)) {
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24 return li_cmp(v->magic.list, b->magic.list);
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25 }
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26 V_STR(v);
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27 V_STR(b);
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28 return ko_cmp(v->ko, b->ko);
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29 }
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30
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31 void v_ok_str(struct val *v) {
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32 if (V_STR_P(v)) {
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33 return;
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34 }
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35
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36 if (V_EXT_P(v)) {
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37 ko_cpy_s(v->ko, io_name(v->magic.ext, NULL));
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38 } else if (V_LIST_P(v)) {
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39 size_t i;
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40 struct list *li = v->magic.list;
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41 struct val *cur;
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42
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43 ko_zero(v->ko);
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44 for (i = 0; i < li_length(li); ++i) {
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45 cur = li_at(li, i);
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46 V_STR(cur);
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47 ko_cat(v->ko, cur->ko);
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48 }
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49 } else if (V_NUM_P(v)) {
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50 ko_num(v->ko, v->num);
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51 } else if (V_SUB_P(v)) {
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52 v_ok_num(v);
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53 ko_num(v->ko, v->num);
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54 } else {
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55 ko_zero(v->ko);
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56 }
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57 v->type |= V_STR_K;
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58 }
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59
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60 void v_ok_num(struct val *v) {
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61 if (V_NUM_P(v)) {
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62 return;
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63 }
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64
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65 if (V_EXT_P(v)) {
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66 v->num = __LINE__;
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67 } else if (V_SUB_P(v)) {
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68 v->num = sub_id(v->magic.sub);
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69 } else if (V_LIST_P(v)) {
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70 size_t i;
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71
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72 v->num = 0.0;
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73 for (i = 0; i < li_length(v->magic.list); ++i) {
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74 V_NUM(li_at(v->magic.list, i));
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75 v->num += li_at(v->magic.list, i)->num;
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76 }
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77 } else if (V_STR_P(v)) {
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78 v->num = strtod(ko_szp(v->ko), NULL);
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79 } else {
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80 v->num = 0.0;
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81 }
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82 v->type |= V_NUM_K;
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83 }
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84
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85 int v_true(const struct val *v) {
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86 if (V_EXT_P(v) || V_SUB_P(v)) {
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87 return 1;
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88 }
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89 if (V_LIST_P(v)) {
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90 return li_length(v->magic.list) != 0;
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91 }
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92 if (V_STR_P(v)) {
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93 return ko_length(v->ko) != 0 && (ko_length(v->ko) > 1u || ko_at(v->ko, 0) != '0');
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94 }
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95 if (V_NUM_P(v)) {
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96 return v->num != 0.0;
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97 }
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98 return 0;
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99 }
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100
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101 void v_iniset(struct val *dst, const struct val *src) {
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102 v_init(dst);
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103 v_set(dst, src);
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104 }
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105
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106 void v_set(struct val *dst, const struct val *src) {
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107 assert(src != NULL);
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108
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109 V_xxx_OFF(dst);
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110 dst->type = V_UNDEF;
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111
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112 if (V_SUB_P(src)) {
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113 dst->magic.sub = sub_incr(src->magic.sub);
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114 dst->type |= V_SUB_K;
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115 } else if (V_EXT_P(src)) {
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116 dst->magic.ext = io_incr(src->magic.ext);
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117 dst->type |= V_EXT_K;
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118 } else if (V_LIST_P(src)) {
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119 dst->magic.list = li_dup(src->magic.list);
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120 dst->type |= V_LIST_K;
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121 }
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122
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123 if (V_STR_P(src)) {
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124 ko_cpy(dst->ko, src->ko);
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125 dst->type |= V_STR_K;
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126 }
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127 if (V_NUM_P(src)) {
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128 dst->num = src->num;
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129 dst->type |= V_NUM_K;
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130 }
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131 }
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132
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133 void v_set_n(struct val *v, double d) {
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134 V_xxx_OFF(v);
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135 v->num = d;
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136 v->type = V_NUM_K;
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137 }
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138
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139 void v_set_s(struct val *v, const String *s) {
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140 V_xxx_OFF(v);
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141 ko_cpy_m(v->ko, St_ptr(s), St_len(s));
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142 v->type = V_STR_K;
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143 }
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144
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145 void v_set_m(struct val *v, const void *p, size_t n) {
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146 V_xxx_OFF(v);
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147 ko_cpy_m(v->ko, p, n);
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148 v->type = V_STR_K;
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149 }
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150
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151 void v_set_io(struct val *v, IO *io) {
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152 V_xxx_OFF(v);
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153 v->magic.ext = io_incr(io);
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154 v->type = V_EXT_K;
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155 }
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156
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157 void v_set_sub(struct val *v, struct sub *s) {
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158 V_xxx_OFF(v);
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159 v->magic.sub = sub_incr(s);
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160 v->type = V_SUB_K;
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161 }
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162
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163 void v_set_undef(struct val *v) {
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164 V_xxx_OFF(v);
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165 v->type = V_UNDEF;
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166 }
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167
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168 void v_cat(struct val *dst, struct val *src) {
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169 if (V_LIST_P(dst) && V_LIST_P(src)) {
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170 li_append(dst->magic.list, src->magic.list);
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171 return;
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172 }
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173
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174 V_STR(src);
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175 V_STR(dst);
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176 V_xxx_OFF(dst);
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177 ko_cat(dst->ko, src->ko);
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178 dst->type = V_STR_K;
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179 }
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180
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181 void v_cat_m(struct val *v, const void *p, size_t n) {
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182 V_STR(v);
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183 V_xxx_OFF(v);
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184 ko_cat_m(v->ko, p, n);
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185 v->type = V_STR_K;
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186 }
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187
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188 void v_cat_s(struct val *v, const String *s) {
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189 v_cat_m(v, St_ptr(s), St_len(s));
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190 }
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191
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192 void v_cat_c(struct val *v, char c) {
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193 v_cat_m(v, &c, 1);
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194 }
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195
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196 struct val *v_undef(void) {
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197 struct val *v;
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198 v = xmalloc(1, sizeof *v);
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199 v_init(v);
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200 return v;
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201 }
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202
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203 void v_delete(struct val *v) {
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204 v_end(v);
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205 xfree(v);
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206 }
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207
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208 const char *v_sptr(struct val *v, size_t *l) {
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209 V_STR(v);
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210 if (l) {
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211 *l = ko_length(v->ko);
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212 }
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213 return ko_ptr(v->ko);
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214 }
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215
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216 struct kork *v_kork(struct val *v) {
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217 V_STR(v);
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218 return v->ko;
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219 }