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add RC_PREFIX environment variable

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This will be used by init scripts which want to be able to run in a
Gentoo Prefix installation. RC_PREFIX will contain the prefix offset.
This commit is contained in:
William Hubbs 2012-09-09 22:22:15 -05:00
parent 918d261658
commit 5092595835
3 changed files with 8 additions and 0 deletions
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3
man/runscript.8
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@ -352,6 +352,9 @@ Default runlevel chosen. Default is default.
.It Va RC_SYS .It Va RC_SYS
A special variable to describe the system more. A special variable to describe the system more.
Possible values are OPENVZ, XENU, XEN0, UML and VSERVER. Possible values are OPENVZ, XENU, XEN0, UML and VSERVER.
.It Va RC_PREFIX
In a Gentoo Prefix installation, this variable contains the prefix
offset. Otherwise it is undefined.
.It Va RC_UNAME .It Va RC_UNAME
The result of `uname -s`. The result of `uname -s`.
.El .El

1
src/librc/rc.h.in
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@ -33,6 +33,7 @@
__BEGIN_DECLS __BEGIN_DECLS
#define RC_PREFIX "@PREFIX@"
#define RC_SYSCONFDIR "@SYSCONFDIR@" #define RC_SYSCONFDIR "@SYSCONFDIR@"
#define RC_LIBDIR "@PREFIX@/@LIB@/rc" #define RC_LIBDIR "@PREFIX@/@LIB@/rc"
#define RC_LIBEXECDIR "@LIBEXECDIR@" #define RC_LIBEXECDIR "@LIBEXECDIR@"

4
src/rc/rc-misc.c
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@ -191,6 +191,10 @@ env_config(void)
if (sys) if (sys)
setenv("RC_SYS", sys, 1); setenv("RC_SYS", sys, 1);
#ifdef PREFIX
setenv("RC_PREFIX", RC_PREFIX, 1);
#endif
/* Some scripts may need to take a different code path if /* Some scripts may need to take a different code path if
Linux/FreeBSD, etc Linux/FreeBSD, etc
To save on calling uname, we store it in an environment variable */ To save on calling uname, we store it in an environment variable */