libglusterfs: add 'run' sub-lib for safe and convenient invocation of external programs

Summary:

- arguments first collected, then the invocation happens with fork + exec
- flexible specification of arguments (besides si{mp,ng}le argument
  addition, support for adding multiple of them at a time / specifying one with
  printf style formatting) [ ==> goodbye printf percentage soup when composing
  commands ]
- single point of error check
- simple command runs are done in just one line
- support for redirection, popen(3) like functionality

API is documented in details in libglusterfs/src/run.h

Signed-off-by: Csaba Henk <csaba@gluster.com>
Signed-off-by: Anand Avati <avati@gluster.com>

BUG: 2562 (invoke external commands precisely with fork + exec)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2562

0 files changed, 0 insertions, 0 deletions