diff options
author | Lennart Poettering <lennart@poettering.net> | 2016-12-12 13:42:06 +0100 |
---|---|---|
committer | Sven Eden <yamakuzure@gmx.net> | 2017-07-17 17:58:35 +0200 |
commit | 0abbcad2aa991459183cee29430c962d065f3a58 (patch) | |
tree | e3bd10befd31e7aaca2368c41e624b4d18077974 /src/basic/proc-cmdline.c | |
parent | 47f94046d2208b0ca48928df3ac3bce803361f23 (diff) |
util-lib: read $SYSTEMD_PROC_CMDLINE if set when looking for the kernel cmdline
if we want to parse the kernel command line, let's check the
$SYSTEMD_PROC_CMDLINE environment variable first. This is useful for debugging
purposes.
Diffstat (limited to 'src/basic/proc-cmdline.c')
-rw-r--r-- | src/basic/proc-cmdline.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/basic/proc-cmdline.c b/src/basic/proc-cmdline.c index 281833f88..acdfec0a0 100644 --- a/src/basic/proc-cmdline.c +++ b/src/basic/proc-cmdline.c @@ -34,8 +34,22 @@ #include "virt.h" int proc_cmdline(char **ret) { + const char *e; assert(ret); + /* For testing purposes it is sometimes useful to be able to override what we consider /proc/cmdline to be */ + e = secure_getenv("SYSTEMD_PROC_CMDLINE"); + if (e) { + char *m; + + m = strdup(e); + if (!m) + return -ENOMEM; + + *ret = m; + return 0; + } + if (detect_container() > 0) return get_process_cmdline(1, 0, false, ret); else |