Qyriad
e67dac1d74
The purpose of this function has little to do with immutability. Value's strings are never mutated, and the point of this function is to singleton empty strings. Change-Id: Ifd41dd952409d54e4d3de9ab59064e6928b0e480
24 lines
380 B
C++
24 lines
380 B
C++
#include "gc-alloc.hh"
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#include <cstring>
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#include <string_view>
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namespace nix
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{
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char const * gcCopyStringIfNeeded(std::string_view toCopyFrom)
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{
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if (toCopyFrom.empty()) {
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return "";
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}
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size_t const size = toCopyFrom.size();
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char * cstr = gcAllocString(size + 1);
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memcpy(cstr, toCopyFrom.data(), size);
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cstr[size] = '\0';
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return cstr;
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}
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}
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