diff options
Diffstat (limited to 'src/daemontools-extras/s6-envdir.c')
-rw-r--r-- | src/daemontools-extras/s6-envdir.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/daemontools-extras/s6-envdir.c b/src/daemontools-extras/s6-envdir.c new file mode 100644 index 0000000..394253e --- /dev/null +++ b/src/daemontools-extras/s6-envdir.c @@ -0,0 +1,40 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/sgetopt.h> +#include <skalibs/strerr2.h> +#include <skalibs/stralloc.h> +#include <skalibs/env.h> +#include <skalibs/djbunix.h> + +#define USAGE "s6-envdir [ -I | -i ] [ -n ] [ -f ] [ -c nullchar ] dir prog..." + +int main (int argc, char const *const *argv, char const *const *envp) +{ + stralloc modifs = STRALLOC_ZERO ; + subgetopt_t l = SUBGETOPT_ZERO ; + int insist = 1 ; + unsigned int options = 0 ; + char nullis = '\n' ; + PROG = "s6-envdir" ; + for (;;) + { + register int opt = subgetopt_r(argc, argv, "Iinfc:", &l) ; + if (opt == -1) break ; + switch (opt) + { + case 'I' : insist = 0 ; break ; + case 'i' : insist = 1 ; break ; + case 'n' : options |= SKALIBS_ENVDIR_NOCHOMP ; break ; + case 'f' : options |= SKALIBS_ENVDIR_VERBATIM ; break ; + case 'c' : nullis = *l.arg ; break ; + default : strerr_dieusage(100, USAGE) ; + } + } + argc -= l.ind ; argv += l.ind ; + if (argc < 2) strerr_dieusage(100, USAGE) ; + if ((envdir_internal(*argv++, &modifs, options, nullis) < 0) && (insist || (errno != ENOENT))) + strerr_diefu1sys(111, "envdir") ; + pathexec_r(argv, envp, env_len(envp), modifs.s, modifs.len) ; + strerr_dieexec(111, argv[0]) ; +} |