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Add /etc/os-release support on Linux.

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GitOrigin-RevId: 066c8dc879719539aff88cec1b7424824267bdbc
This commit is contained in:
levlam 2020-06-20 01:16:29 +03:00
parent 47229e1dab
commit 79808f6dd2
1 changed files with 24 additions and 0 deletions
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24
tdutils/td/utils/port/uname.cpp
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@ -9,8 +9,10 @@
#include "td/utils/port/config.h" #include "td/utils/port/config.h"
#include "td/utils/common.h" #include "td/utils/common.h"
#include "td/utils/filesystem.h"
#include "td/utils/logging.h" #include "td/utils/logging.h"
#include "td/utils/misc.h" #include "td/utils/misc.h"
#include "td/utils/port/Stat.h"
#if TD_PORT_POSIX #if TD_PORT_POSIX
#if TD_ANDROID #if TD_ANDROID
@ -32,6 +34,28 @@ Slice get_operating_system_version() {
return "Android " + string(version, length); return "Android " + string(version, length);
} }
#else #else
#if TD_LINUX
CSlice os_release_path = "/etc/os-release";
auto r_stat = stat(os_release_path);
if (r_stat.is_ok() && r_stat.ok().is_reg_ && r_stat.ok().size_ < (1 << 16)) {
auto r_file = read_file_str(os_release_path, r_stat.ok().size_);
if (r_file.is_ok()) {
CSlice prefix = "PRETTY_NAME=\"";
auto begin_pos = r_file.ok().find(prefix.c_str());
if (begin_pos != string::npos) {
begin_pos += prefix.size();
auto end_pos = r_file.ok().find("\"\n", begin_pos);
if (end_pos != string::npos) {
auto os_name = trim(r_file.ok().substr(begin_pos, end_pos - begin_pos));
if (!os_name.empty()) {
return os_name;
}
}
}
}
}
#endif
utsname name; utsname name;
int err = uname(&name); int err = uname(&name);
if (err == 0) { if (err == 0) {