sntp/libopts/find.c

39 opt_ambiguities(tOptions * opts, char const * name, int nm_len);
42 opt_match_ct(tOptions * opts, char const * name, int nm_len,
46 opt_set(tOptions * opts, char * arg, int idx, bool disable, tOptState * st);
49 opt_unknown(tOptions * opts, char const * name, char * arg, tOptState * st);
52 opt_ambiguous(tOptions * opts, char const * name, int match_ct);
55 get_opt_arg_must(tOptions * opts, tOptState * o_st);
100 opt_ambiguities(tOptions * opts, char const * name, int nm_len)
103         NAMED_OPTS(opts) ? "" : LONG_OPT_MARKER;
105     tOptDesc * pOD = opts->pOptDesc;
120     } while (pOD++, (++idx < opts->optCt));
134 opt_match_ct(tOptions * opts, char const * name, int nm_len,
139     int   idxLim   = opts->optCt;
140     tOptDesc * pOD = opts->pOptDesc;
202  * @param opts      option data
209 opt_set(tOptions * opts, char * arg, int idx, bool disable, tOptState * st)
211     tOptDesc * pOD = opts->pOptDesc + idx;
214         if ((opts->fOptSet & OPTPROC_ERRSTOP) == 0)
217         fprintf(stderr, zDisabledErr, opts->pzProgName, pOD->pz_Name);
221         (*opts->pUsageProc)(opts, EXIT_FAILURE);
244  * @param opts   option data
252 opt_unknown(tOptions * opts, char const * name, char * arg, tOptState * st)
261        && NAMED_OPTS(opts)
262        && (opts->specOptIdx.default_opt != NO_EQUIVALENT)) {
264         st->pOD      = opts->pOptDesc + opts->specOptIdx.default_opt;
270     if ((opts->fOptSet & OPTPROC_ERRSTOP) != 0) {
271         fprintf(stderr, zIllOptStr, opts->pzProgPath, name);
272         (*opts->pUsageProc)(opts, EXIT_FAILURE);
283  * @param opts      option data
290 opt_ambiguous(tOptions * opts, char const * name, int match_ct)
292     if ((opts->fOptSet & OPTPROC_ERRSTOP) != 0) {
293         fprintf(stderr, zambig_opt_fmt, opts->pzProgPath, name, match_ct);
295             opt_ambiguities(opts, name, (int)strlen(name));
296         (*opts->pUsageProc)(opts, EXIT_FAILURE);
364  * @param opts      option data
371 opt_find_long(tOptions * opts, char const * opt_name, tOptState * state)
382         if ((opts->fOptSet & OPTPROC_ERRSTOP) == 0)
385         fprintf(stderr, zInvalOptName, opts->pzProgName, opt_name);
386         (*opts->pUsageProc)(opts, EXIT_FAILURE);
391     ct = opt_match_ct(opts, opt_name, nm_len, &idx, &disable);
397     case 1:  return opt_set(opts, opt_arg, idx, disable, state);
398     case 0:  return opt_unknown(opts, opt_name, opt_arg, state);
399     default: return opt_ambiguous(opts, opt_name, ct);
483  *  @param[in,out] opts  the program option descriptor
488 get_opt_arg_must(tOptions * opts, tOptState * o_st)
495         if (*++(opts->pzCurOpt) == NUL)
496             opts->pzCurOpt = opts->origArgVect[ opts->curOptIdx++ ];
497         o_st->pzOptArg = opts->pzCurOpt;
506             o_st->pzOptArg = opts->origArgVect[ opts->curOptIdx++ ];
526     if (opts->curOptIdx > opts->origArgCt) {
527         fprintf(stderr, zMisArg, opts->pzProgPath, o_st->pOD->pz_Name);
531     opts->pzCurOpt = NULL;  /* next time advance to next arg */
614  *  @param[in,out] opts  the program option descriptor
647  *  @param[in,out] opts  the program option descriptor
652 get_opt_arg(tOptions * opts, tOptState * o_st)
663         return get_opt_arg_none(opts, o_st);
666         return get_opt_arg_may( opts, o_st);
668     return get_opt_arg_must(opts, o_st);
674  *  @param[in,out] opts  the program option descriptor
679 find_opt(tOptions * opts, tOptState * o_st)
686     if ((opts->pzCurOpt != NULL) && (*opts->pzCurOpt != NUL))
687         return opt_find_short(opts, (uint8_t)*(opts->pzCurOpt), o_st);
689     if (opts->curOptIdx >= opts->origArgCt)
692     opts->pzCurOpt = opts->origArgVect[ opts->curOptIdx ];
697     if (NAMED_OPTS(opts)) {
698         char *      pz  = opts->pzCurOpt;
703         opts->curOptIdx++;
706             return opt_find_long(opts, pz, o_st);
714         def_opt  = VOIDP(&(opts->specOptIdx.default_opt));
717         res      = opt_find_long(opts, pz, o_st);
725     if (*((opts->pzCurOpt)++) != '-')
731     if (*(opts->pzCurOpt) == NUL)
737     opts->curOptIdx++;
743     if (opts->pzCurOpt[0] == '-') {
744         if (*++(opts->pzCurOpt) == NUL)
754         if ((opts->fOptSet & OPTPROC_LONGOPT) == 0) {
755             fprintf(stderr, zIllOptStr, opts->pzProgPath, opts->pzCurOpt-2);
759         return opt_find_long(opts, opts->pzCurOpt, o_st);
767     if ((opts->fOptSet & OPTPROC_SHORTOPT) != 0)
768         return opt_find_short(opts, (uint8_t)*(opts->pzCurOpt), o_st);
770     return opt_find_long(opts, opts->pzCurOpt, o_st);