int main (int argc, char const *const *argv, char const *const *envp) { int uid = -1, gid = -1 ; PROG = "s6-chown" ; { subgetopt_t l = SUBGETOPT_ZERO ; for (;;) { register int opt = subgetopt_r(argc, argv, "Uu:g:", &l) ; if (opt == -1) break ; switch (opt) { case 'u': { unsigned int u ; if (!uint0_scan(l.arg, &u)) strerr_dieusage(100, USAGE) ; uid = u ; break ; } case 'g': { unsigned int g ; if (!uint0_scan(l.arg, &g)) strerr_dieusage(100, USAGE) ; gid = g ; break ; } case 'U': { unsigned int x ; char const *s = env_get2(envp, "UID") ; if (!s) strerr_dienotset(100, "UID") ; if (!uint0_scan(s, &x)) strerr_dieinvalid(100, "UID") ; uid = x ; s = env_get2(envp, "GID") ; if (!s) strerr_dienotset(100, "GID") ; if (!uint0_scan(s, &x)) strerr_dieinvalid(100, "GID") ; gid = x ; break ; } default : strerr_dieusage(100, USAGE) ; } } argc -= l.ind ; argv += l.ind ; } if (!argc) strerr_dieusage(100, USAGE) ; if (chown(*argv, uid, gid) == -1) strerr_diefu2sys(111, "chown ", argv[0]) ; return 0 ; }
int main (int argc, char const *const *argv, char const *const *envp) { unsigned int strict = el_getstrict() ; unsigned int b = 0 ; unsigned int n = 0 ; unsigned int sharp ; unsigned int i = 0 ; PROG = "shift" ; { subgetopt_t l = SUBGETOPT_ZERO ; for (;;) { register int opt = subgetopt_r(argc, argv, "n:b:", &l) ; if (opt == -1) break ; switch (opt) { case 'n' : if (!uint0_scan(l.arg, &n)) dieusage() ; i = 1 ; break ; case 'b' : if (!uint0_scan(l.arg, &b)) dieusage() ; i = 1 ; break ; default : dieusage() ; } } argc -= l.ind ; argv += l.ind ; } if (!argc) dieusage() ; if (i) i = 0 ; else n = 1 ; { char const *x = env_get2(envp, "#") ; if (!x) strerr_dienotset(100, "#") ; if (!uint0_scan(x, &sharp)) strerr_dieinvalid(100, "#") ; } /* Shift n args */ if (n > sharp) { if (strict) { char fmtn[UINT_FMT] ; char fmtsharp[UINT_FMT] ; fmtn[uint_fmt(fmtn, n)] = 0 ; fmtsharp[uint_fmt(fmtsharp, sharp)] = 0 ; if (strict == 1) strerr_warnwu5x("shift", " ", fmtn, " arguments: got ", fmtsharp) ; else strerr_diefu5x(100, "shift", " ", fmtn, " arguments: got ", fmtsharp) ; } n = sharp ; } /* Shift b blocks */ for (; i < b ; i++) { for (;;) { char const *x ; unsigned int base = n ; char fmt[UINT_FMT] ; fmt[uint_fmt(fmt, ++n)] = 0 ; if (n > sharp) { char fmti[UINT_FMT] ; fmti[uint_fmt(fmt, i)] = 0 ; strerr_diefu6x(100, "shift", " block ", fmti, ": too few arguments (", fmt, ")") ; } x = env_get2(envp, fmt) ; if (!x) strerr_dienotset(100, fmt) ; if ((x[0] == EXECLINE_BLOCK_END_CHAR) && (!EXECLINE_BLOCK_END_CHAR || !x[1])) break ; if ((x[0] != EXECLINE_BLOCK_QUOTE_CHAR) && strict) { char fmti[UINT_FMT] ; char fmtp[UINT_FMT] ; fmti[uint_fmt(fmti, i)] = 0 ; fmtp[uint_fmt(fmtp, n - base)] = 0 ; if (strict == 1) strerr_warnw6x("unquoted positional ", x, " at block ", fmti, " position ", fmtp) ; else strerr_dief6x(100, "unquoted positional ", x, " at block ", fmti, " position ", fmtp) ; } } } /* n = shift value; modify the env */ { register unsigned int i = 1 ; char fmt[UINT_FMT] ; fmt[uint_fmt(fmt, sharp - n)] = 0 ; if (!pathexec_env("#", fmt)) strerr_diefu1sys(111, "pathexec_env") ; for (; i <= sharp ; i++) { char fmu[UINT_FMT] ; fmt[uint_fmt(fmt, i)] = 0 ; fmu[uint_fmt(fmu, i + n)] = 0 ; if (!pathexec_env(fmt, i <= (sharp - n) ? env_get2(envp, fmu) : 0)) strerr_diefu1sys(111, "pathexec_env") ; } } pathexec(argv) ; strerr_dieexec(111, argv[0]) ; }