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OS name with older glib API

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This commit is contained in:
Jean Pierre Cimalando 2021-04-08 17:56:18 +02:00
parent 0de8b1cabc
commit 66c54c9e4e
1 changed files with 30 additions and 25 deletions
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55
plugins/editor/src/editor/NativeHelpers.cpp
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@ -262,35 +262,40 @@ bool isZenityAvailable()
std::string getOperatingSystemName() std::string getOperatingSystemName()
{ {
std::string name; std::string name;
name.reserve(256);
#if GLIB_CHECK_VERSION(2, 64, 0) std::ifstream in("/etc/os-release", std::ios::binary);
if (char *osName = g_get_os_info(G_OS_INFO_KEY_NAME)) { if (!in)
name.append(osName); in = std::ifstream("/usr/lib/os-release", std::ios::binary);
g_free(osName); if (in) {
} std::string line;
else { line.reserve(256);
name.append("Unknown"); for (bool found = false; !found && std::getline(in, line); ) {
const char prefix[] = "PRETTY_NAME=";
size_t length = sizeof(prefix) - 1;
found = line.size() >= length && !memcmp(line.data(), prefix, length);
if (found) {
if (char* value = g_shell_unquote(line.c_str() + length, nullptr)) {
name.assign(value);
g_free(value);
}
}
}
in.close();
} }
if (char *osVersion = g_get_os_info(G_OS_INFO_KEY_VERSION_ID)) { if (name.empty()) {
name.push_back(' '); utsname un {};
name.append(osVersion); int ret = uname(&un);
g_free(osVersion); if (ret != -1 && un.sysname[0] != '\0')
name.append(un.sysname);
else {
name.append("Unknown");
}
if (ret != -1 && un.release[0] != '\0') {
name.push_back(' ');
name.append(un.release);
}
} }
#else
utsname un {};
int ret = uname(&un);
if (ret != -1 && un.sysname[0] != '\0')
name.append(un.sysname);
else {
name.append("Unknown");
}
if (ret != -1 && un.release[0] != '\0') {
name.push_back(' ');
name.append(un.release);
}
#endif
return name; return name;
} }