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Parse cpuinfo without std::regex

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This commit is contained in:
Jean Pierre Cimalando 2021-05-08 11:59:02 +02:00
parent 87f3a2b224
commit 6984ef9e75
1 changed files with 14 additions and 5 deletions
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19
plugins/editor/src/editor/NativeHelpers.cpp
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@ -163,8 +163,9 @@ std::string getCurrentProcessName()
#include <sys/wait.h>
#include <sys/utsname.h>
#include <unistd.h>
#include <absl/strings/strip.h>
#include <absl/strings/string_view.h>
#include <vector>
#include <regex>
#include <fstream>
#include <cstring>
#include <cerrno>
@ -305,14 +306,22 @@ std::string getProcessorName()
std::string name;
std::string line;
std::ifstream in("/proc/cpuinfo", std::ios::binary);
std::regex re("^model name\\s*:\\s*(.*)");
line.reserve(256);
while (name.empty() && std::getline(in, line) && !line.empty()) {
std::smatch match;
if (std::regex_match(line, match, re))
name = match[1];
size_t pos = line.find(':');
if (pos == line.npos)
continue;
absl::string_view left = absl::string_view(line).substr(0, pos);
absl::string_view right = absl::string_view(line).substr(pos + 1);
left = absl::StripAsciiWhitespace(left);
right = absl::StripAsciiWhitespace(right);
if (left == "model name")
name = std::string(right);
}
if (name.empty())