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36 lines
547 B
C++
36 lines
547 B
C++
#include "util/bits/varint.h"
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namespace varint {
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void Encode32(uint32 value, char **dest) {
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// Simple varint
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char *p = *dest;
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while (value > 127) {
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*p++ = (value & 127);
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value >>= 7;
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}
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*p++ = value | 0x80;
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*dest = p;
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}
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uint32 Decode32(const char **ptr) {
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uint32 value = 0;
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const char *p = *ptr;
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while (true) {
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uint8 b = *p++;
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if (b & 0x80) {
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*ptr = p;
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return value | (b & 0x7F);
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} else {
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value |= *p++;
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value <<= 7;
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}
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}
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*ptr = p;
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return value;
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}
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} // namespace varint
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