1 //===--- Distro.cpp - Linux distribution detection support ------*- C++ -*-===//
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
25       VFS.getBufferForFile("/etc/os-release");  in DetectOsRelease()
27     File = VFS.getBufferForFile("/usr/lib/os-release");  in DetectOsRelease()
31   SmallVector<StringRef, 16> Lines;  in DetectOsRelease()  local
32   File.get()->getBuffer().split(Lines, "\n");  in DetectOsRelease()
36   for (StringRef Line : Lines)  in DetectOsRelease()
43                     // On SLES, /etc/os-release was introduced in SLES 11.  in DetectOsRelease()
53       VFS.getBufferForFile("/etc/lsb-release");  in DetectLsbRelease()
57   SmallVector<StringRef, 16> Lines;  in DetectLsbRelease()  local
58   File.get()->getBuffer().split(Lines, "\n");  in DetectLsbRelease()
61   for (StringRef Line : Lines)  in DetectLsbRelease()
106   // Newer freedesktop.org's compilant systemd-based systems  in DetectDistro()
107   // should provide /etc/os-release or /usr/lib/os-release.  in DetectDistro()
112   // Older systems might provide /etc/lsb-release.  in DetectDistro()
117   // Otherwise try some distro-specific quirks for Red Hat...  in DetectDistro()
119       VFS.getBufferForFile("/etc/redhat-release");  in DetectDistro()
122     StringRef Data = File.get()->getBuffer();  in DetectDistro()  local
123     if (Data.starts_with("Fedora release"))  in DetectDistro()
125     if (Data.starts_with("Red Hat Enterprise Linux") ||  in DetectDistro()
126         Data.starts_with("CentOS") || Data.starts_with("Scientific Linux")) {  in DetectDistro()
127       if (Data.contains("release 7"))  in DetectDistro()
129       else if (Data.contains("release 6"))  in DetectDistro()
131       else if (Data.contains("release 5"))  in DetectDistro()
140     StringRef Data = File.get()->getBuffer();  in DetectDistro()  local
143     if (!Data.split('.').first.getAsInteger(10, MajorVersion)) {  in DetectDistro()
167     return llvm::StringSwitch<Distro::DistroType>(Data.split("\n").first)  in DetectDistro()
180   File = VFS.getBufferForFile("/etc/SuSE-release");  in DetectDistro()
182     StringRef Data = File.get()->getBuffer();  in DetectDistro()  local
183     SmallVector<StringRef, 8> Lines;  in DetectDistro()  local
184     Data.split(Lines, "\n");  in DetectDistro()
185     for (const StringRef &Line : Lines) {  in DetectDistro()
205   if (VFS.exists("/etc/gentoo-release"))  in DetectDistro()
223   // is cross-compiling from BSD or Windows to Linux, and it would be  in GetDistro()
224   // meaningless to try to figure out the "distro" of the non-Linux host.  in GetDistro()