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- extended operating system information with os-release's pretty name

Browse source 
https://www.freedesktop.org/software/systemd/man/os-release.html
This commit is contained in:
alexey.lysiuk 2021-01-02 14:59:31 +02:00
parent 6089c34558
commit 1767fdfe7a
1 changed files with 43 additions and 4 deletions
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47
src/common/platform/posix/sdl/i_main.cpp
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@ -40,6 +40,7 @@
#include <new>
#include <sys/param.h>
#include <locale.h>
#include <sys/stat.h>
#include <sys/utsname.h>
#include "engineerrors.h"
@ -95,12 +96,50 @@ static int GetCrashInfo (char *buffer, char *end)
void I_DetectOS()
{
utsname unameInfo;
int unameRes = uname(&unameInfo);
if (unameRes != -1)
FString operatingSystem;
const char *paths[] = {"/etc/os-release", "/usr/lib/os-release"};
for (const char *path : paths)
{
Printf("OS: %s %s on %s\n", unameInfo.sysname, unameInfo.release, unameInfo.machine);
struct stat dummy;
if (stat(path, &dummy) != 0)
continue;
char cmdline[256];
snprintf(cmdline, sizeof cmdline, ". %s && echo ${PRETTY_NAME}", path);
FILE *proc = popen(cmdline, "r");
if (proc == nullptr)
continue;
char distribution[256] = {};
fread(distribution, sizeof distribution - 1, 1, proc);
const size_t length = strlen(distribution);
if (length > 1)
{
distribution[length - 1] = '\0';
operatingSystem = distribution;
}
pclose(proc);
break;
}
utsname unameInfo;
if (uname(&unameInfo) == 0)
{
const char* const separator = operatingSystem.Len() > 0 ? ", " : "";
operatingSystem.AppendFormat("%s%s %s on %s", separator, unameInfo.sysname, unameInfo.release, unameInfo.machine);
}
if (operatingSystem.Len() > 0)
Printf("OS: %s\n", operatingSystem.GetChars());
}
void I_StartupJoysticks();