asar coverage - build #168

src/asar/
File: src/asar/table.cpp
Date: 2024-01-27 19:36:05
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1 #include <cstdlib>
2 #include <cstdint>
3 #include <cstring>
4 #include "table.h"
5
6 2715 table::table() {
7 2715 memset(data, 0, sizeof(data));
8 2715 utf8_mode = true;
9 2715 }
10
11 4702 void table::clear() {
12
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 1208414 for(int i=0; i<256; i++) {
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 1203712 if(data[i] != nullptr) {
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 48830 for(int j=0; j<256; j++) {
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 48640 if(data[i][j] != nullptr) free(data[i][j]);
16 }
17 190 free(data[i]);
18 }
19 }
20 4702 memset(data, 0, sizeof(data));
21 4702 }
22
23 2235 void table::copy_from(const table& from) {
24 2235 memcpy(data, from.data, sizeof(data));
25 2235 utf8_mode = from.utf8_mode;
26 // copy over all allocated pages
27
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 574395 for(int i=0; i<256; i++) {
28
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 572160 if(data[i] != nullptr) {
29 36 table_page** newp = (table_page**)calloc(256,sizeof(void*));
30 36 memcpy(newp, data[i], 256*sizeof(void*));
31 36 data[i] = newp;
32
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 9252 for(int j=0; j<256; j++) {
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 9216 if(data[i][j] != nullptr) {
34 36 table_page* newp = (table_page*)calloc(1,sizeof(table_page));
35 36 memcpy(newp, data[i][j], sizeof(table_page));
36 36 data[i][j] = newp;
37 }
38 }
39 }
40 }
41 2235 }
42
43 2235 table& table::operator=(const table& from) {
44 2235 clear();
45 2235 copy_from(from);
46 2235 return *this;
47 }
48
49 ✗ table::table(const table& from) {
50 ✗ copy_from(from);
51 ✗ }
52
53 2467 table::~table() {
54 2467 clear();
55 2467 }
56
57 1188 void table::set_val(int off, uint32_t val) {
58
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 1188 if(data[off >> 16] == nullptr) {
59 162 data[off >> 16] = (table_page**)calloc(256,sizeof(void*));
60 }
61 1188 table_page** thisbank = data[off >> 16];
62
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 1188 if(thisbank[(off >> 8) & 255] == nullptr) {
63 234 thisbank[(off >> 8) & 255] = (table_page*)calloc(1,sizeof(table_page));
64 }
65 1188 table_page* thispage = thisbank[(off >> 8) & 255];
66 1188 int idx = (off & 255) / 32;
67 594 int bit = off % 32;
68 1188 thispage->defined[idx] |= 1<<bit;
69 1188 thispage->chars[off & 255] = val;
70 1188 }
71
72 3378 int64_t table::get_val(int off) {
73
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 3378 int64_t def = utf8_mode ? off : -1;
74 3378 table_page** thisbank = data[off >> 16];
75
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 3378 if(thisbank == nullptr) return def;
76 2412 table_page* thispage = thisbank[(off >> 8) & 255];
77
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 2412 if(thispage == nullptr) return def;
78 2412 int idx = (off & 255) / 32;
79 1206 int bit = off % 32;
80
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 2412 if(((thispage->defined[idx] >> bit) & 1) == 0) return def;
81 2412 return thispage->chars[off & 255];
82 }
83