diff options
Diffstat (limited to 'src/bin/common/opj_getopt.c')
| -rw-r--r-- | src/bin/common/opj_getopt.c | 407 |
1 files changed, 212 insertions, 195 deletions
diff --git a/src/bin/common/opj_getopt.c b/src/bin/common/opj_getopt.c index 65f271f8..ef9a920a 100644 --- a/src/bin/common/opj_getopt.c +++ b/src/bin/common/opj_getopt.c @@ -1,11 +1,11 @@ /* - * The copyright in this software is being made available under the 3-clauses - * BSD License, included below. This software may be subject to other third + * The copyright in this software is being made available under the 3-clauses + * BSD License, included below. This software may be subject to other third * party and contributor rights, including patent rights, and no such rights * are granted under this license. * * Copyright (c) 1987, 1993, 1994 - * The Regents of the University of California. All rights reserved. + * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -36,220 +36,237 @@ #if defined(LIBC_SCCS) && !defined(lint) static char sccsid[] = "@(#)opj_getopt.c 8.3 (Berkeley) 4/27/95"; -#endif /* LIBC_SCCS and not lint */ +#endif /* LIBC_SCCS and not lint */ #include <stdio.h> #include <stdlib.h> #include <string.h> #include "opj_getopt.h" -int opj_opterr = 1, /* if error message should be printed */ - opj_optind = 1, /* index into parent argv vector */ - opj_optopt, /* character checked for validity */ - opj_optreset; /* reset getopt */ - char *opj_optarg; /* argument associated with option */ +int opj_opterr = 1, /* if error message should be printed */ + opj_optind = 1, /* index into parent argv vector */ + opj_optopt, /* character checked for validity */ + opj_optreset; /* reset getopt */ +char *opj_optarg; /* argument associated with option */ -#define BADCH (int)'?' -#define BADARG (int)':' -static char EMSG[]={""}; +#define BADCH (int)'?' +#define BADARG (int)':' +static char EMSG[] = {""}; /* As this class remembers its values from one Java call to the other, reset the values before each use */ -void opj_reset_options_reading(void) { - opj_opterr = 1; - opj_optind = 1; +void opj_reset_options_reading(void) +{ + opj_opterr = 1; + opj_optind = 1; } /* * getopt -- - * Parse argc/argv argument vector. + * Parse argc/argv argument vector. */ -int opj_getopt(int nargc, char *const *nargv, const char *ostr) { +int opj_getopt(int nargc, char *const *nargv, const char *ostr) +{ # define __progname nargv[0] - static char *place = EMSG; /* option letter processing */ - const char *oli = NULL; /* option letter list index */ - - if (opj_optreset || !*place) { /* update scanning pointer */ - opj_optreset = 0; - if (opj_optind >= nargc || *(place = nargv[opj_optind]) != '-') { - place = EMSG; - return (-1); + static char *place = EMSG; /* option letter processing */ + const char *oli = NULL; /* option letter list index */ + + if (opj_optreset || !*place) { /* update scanning pointer */ + opj_optreset = 0; + if (opj_optind >= nargc || *(place = nargv[opj_optind]) != '-') { + place = EMSG; + return (-1); + } + if (place[1] && *++place == '-') { /* found "--" */ + ++opj_optind; + place = EMSG; + return (-1); + } + } /* option letter okay? */ + if ((opj_optopt = (int) * place++) == (int) ':' || + !(oli = strchr(ostr, opj_optopt))) { + /* + * if the user didn't specify '-' as an option, + * assume it means -1. + */ + if (opj_optopt == (int) '-') { + return (-1); + } + if (!*place) { + ++opj_optind; + } + if (opj_opterr && *ostr != ':') { + fprintf(stderr, + "%s: illegal option -- %c\n", __progname, opj_optopt); + return (BADCH); + } } - if (place[1] && *++place == '-') { /* found "--" */ - ++opj_optind; - place = EMSG; - return (-1); + if (*++oli != ':') { /* don't need argument */ + opj_optarg = NULL; + if (!*place) { + ++opj_optind; + } + } else { /* need an argument */ + if (*place) { /* no white space */ + opj_optarg = place; + } else if (nargc <= ++opj_optind) { /* no arg */ + place = EMSG; + if (*ostr == ':') { + return (BADARG); + } + if (opj_opterr) { + fprintf(stderr, + "%s: option requires an argument -- %c\n", + __progname, opj_optopt); + return (BADCH); + } + } else { /* white space */ + opj_optarg = nargv[opj_optind]; + } + place = EMSG; + ++opj_optind; } - } /* option letter okay? */ - if ((opj_optopt = (int) *place++) == (int) ':' || - !(oli = strchr(ostr, opj_optopt))) { - /* - * if the user didn't specify '-' as an option, - * assume it means -1. - */ - if (opj_optopt == (int) '-') - return (-1); - if (!*place) - ++opj_optind; - if (opj_opterr && *ostr != ':') { - fprintf(stderr, - "%s: illegal option -- %c\n", __progname, opj_optopt); - return (BADCH); - } - } - if (*++oli != ':') { /* don't need argument */ - opj_optarg = NULL; - if (!*place) - ++opj_optind; - } else { /* need an argument */ - if (*place) /* no white space */ - opj_optarg = place; - else if (nargc <= ++opj_optind) { /* no arg */ - place = EMSG; - if (*ostr == ':') - return (BADARG); - if (opj_opterr) { - fprintf(stderr, - "%s: option requires an argument -- %c\n", - __progname, opj_optopt); - return (BADCH); - } - } else /* white space */ - opj_optarg = nargv[opj_optind]; - place = EMSG; - ++opj_optind; - } - return (opj_optopt); /* dump back option letter */ + return (opj_optopt); /* dump back option letter */ } int opj_getopt_long(int argc, char * const argv[], const char *optstring, -const opj_option_t *longopts, int totlen) { - static int lastidx,lastofs; - const char *tmp; - int i,len; - char param = 1; + const opj_option_t *longopts, int totlen) +{ + static int lastidx, lastofs; + const char *tmp; + int i, len; + char param = 1; again: - if (opj_optind >= argc || !argv[opj_optind] || *argv[opj_optind]!='-') - return -1; - - if (argv[opj_optind][0]=='-' && argv[opj_optind][1]==0) { - if(opj_optind >= (argc - 1)){ /* no more input parameters */ - param = 0; - } - else{ /* more input parameters */ - if(argv[opj_optind + 1][0] == '-'){ - param = 0; /* Missing parameter after '-' */ - } - else{ - param = 2; - } - } - } - - if (param == 0) { - ++opj_optind; - return (BADCH); - } - - if (argv[opj_optind][0]=='-') { /* long option */ - char* arg=argv[opj_optind]+1; - const opj_option_t* o; - o=longopts; - len=sizeof(longopts[0]); - - if (param > 1){ - arg = argv[opj_optind+1]; - opj_optind++; - } - else - arg = argv[opj_optind]+1; - - if(strlen(arg)>1){ - for (i=0;i<totlen;i=i+len,o++) { - if (!strcmp(o->name,arg)) { /* match */ - if (o->has_arg == 0) { - if ((argv[opj_optind+1])&&(!(argv[opj_optind+1][0]=='-'))){ - fprintf(stderr,"%s: option does not require an argument. Ignoring %s\n",arg,argv[opj_optind+1]); - ++opj_optind; - } - }else{ - opj_optarg=argv[opj_optind+1]; - if(opj_optarg){ - if (opj_optarg[0] == '-'){ /* Has read next input parameter: No arg for current parameter */ - if (opj_opterr) { - fprintf(stderr,"%s: option requires an argument\n",arg); - return (BADCH); - } - } - } - if (!opj_optarg && o->has_arg==1) { /* no argument there */ - if (opj_opterr) { - fprintf(stderr,"%s: option requires an argument \n",arg); - return (BADCH); - } - } - ++opj_optind; - } - ++opj_optind; - if (o->flag) - *(o->flag)=o->val; - else - return o->val; - return 0; - } - }/*(end for)String not found in the list*/ - fprintf(stderr,"Invalid option %s\n",arg); - ++opj_optind; - return (BADCH); - }else{ /*Single character input parameter*/ - if (*optstring==':') return ':'; - if (lastidx!=opj_optind) { - lastidx=opj_optind; lastofs=0; - } - opj_optopt=argv[opj_optind][lastofs+1]; - if ((tmp=strchr(optstring,opj_optopt))) {/*Found input parameter in list*/ - if (*tmp==0) { /* apparently, we looked for \0, i.e. end of argument */ - ++opj_optind; - goto again; - } - if (tmp[1]==':') { /* argument expected */ - if (tmp[2]==':' || argv[opj_optind][lastofs+2]) { /* "-foo", return "oo" as opj_optarg */ - if (!*(opj_optarg=argv[opj_optind]+lastofs+2)) opj_optarg=0; - goto found; - } - opj_optarg=argv[opj_optind+1]; - if(opj_optarg){ - if (opj_optarg[0] == '-'){ /* Has read next input parameter: No arg for current parameter */ - if (opj_opterr) { - fprintf(stderr,"%s: option requires an argument\n",arg); - return (BADCH); - } - } - } - if (!opj_optarg) { /* missing argument */ - if (opj_opterr) { - fprintf(stderr,"%s: option requires an argument\n",arg); - return (BADCH); - } - } - ++opj_optind; - }else {/*Argument not expected*/ - ++lastofs; - return opj_optopt; - } + if (opj_optind >= argc || !argv[opj_optind] || *argv[opj_optind] != '-') { + return -1; + } + + if (argv[opj_optind][0] == '-' && argv[opj_optind][1] == 0) { + if (opj_optind >= (argc - 1)) { /* no more input parameters */ + param = 0; + } else { /* more input parameters */ + if (argv[opj_optind + 1][0] == '-') { + param = 0; /* Missing parameter after '-' */ + } else { + param = 2; + } + } + } + + if (param == 0) { + ++opj_optind; + return (BADCH); + } + + if (argv[opj_optind][0] == '-') { /* long option */ + char* arg = argv[opj_optind] + 1; + const opj_option_t* o; + o = longopts; + len = sizeof(longopts[0]); + + if (param > 1) { + arg = argv[opj_optind + 1]; + opj_optind++; + } else { + arg = argv[opj_optind] + 1; + } + + if (strlen(arg) > 1) { + for (i = 0; i < totlen; i = i + len, o++) { + if (!strcmp(o->name, arg)) { /* match */ + if (o->has_arg == 0) { + if ((argv[opj_optind + 1]) && (!(argv[opj_optind + 1][0] == '-'))) { + fprintf(stderr, "%s: option does not require an argument. Ignoring %s\n", arg, + argv[opj_optind + 1]); + ++opj_optind; + } + } else { + opj_optarg = argv[opj_optind + 1]; + if (opj_optarg) { + if (opj_optarg[0] == + '-') { /* Has read next input parameter: No arg for current parameter */ + if (opj_opterr) { + fprintf(stderr, "%s: option requires an argument\n", arg); + return (BADCH); + } + } + } + if (!opj_optarg && o->has_arg == 1) { /* no argument there */ + if (opj_opterr) { + fprintf(stderr, "%s: option requires an argument \n", arg); + return (BADCH); + } + } + ++opj_optind; + } + ++opj_optind; + if (o->flag) { + *(o->flag) = o->val; + } else { + return o->val; + } + return 0; + } + }/*(end for)String not found in the list*/ + fprintf(stderr, "Invalid option %s\n", arg); + ++opj_optind; + return (BADCH); + } else { /*Single character input parameter*/ + if (*optstring == ':') { + return ':'; + } + if (lastidx != opj_optind) { + lastidx = opj_optind; + lastofs = 0; + } + opj_optopt = argv[opj_optind][lastofs + 1]; + if ((tmp = strchr(optstring, opj_optopt))) { /*Found input parameter in list*/ + if (*tmp == 0) { /* apparently, we looked for \0, i.e. end of argument */ + ++opj_optind; + goto again; + } + if (tmp[1] == ':') { /* argument expected */ + if (tmp[2] == ':' || + argv[opj_optind][lastofs + 2]) { /* "-foo", return "oo" as opj_optarg */ + if (!*(opj_optarg = argv[opj_optind] + lastofs + 2)) { + opj_optarg = 0; + } + goto found; + } + opj_optarg = argv[opj_optind + 1]; + if (opj_optarg) { + if (opj_optarg[0] == + '-') { /* Has read next input parameter: No arg for current parameter */ + if (opj_opterr) { + fprintf(stderr, "%s: option requires an argument\n", arg); + return (BADCH); + } + } + } + if (!opj_optarg) { /* missing argument */ + if (opj_opterr) { + fprintf(stderr, "%s: option requires an argument\n", arg); + return (BADCH); + } + } + ++opj_optind; + } else {/*Argument not expected*/ + ++lastofs; + return opj_optopt; + } found: - ++opj_optind; - return opj_optopt; - } else { /* not found */ - fprintf(stderr,"Invalid option %s\n",arg); - ++opj_optind; - return (BADCH); - }/*end of not found*/ - - }/* end of single character*/ - }/*end '-'*/ - fprintf(stderr,"Invalid option\n"); - ++opj_optind; - return (BADCH);; + ++opj_optind; + return opj_optopt; + } else { /* not found */ + fprintf(stderr, "Invalid option %s\n", arg); + ++opj_optind; + return (BADCH); + }/*end of not found*/ + + }/* end of single character*/ + }/*end '-'*/ + fprintf(stderr, "Invalid option\n"); + ++opj_optind; + return (BADCH);; }/*end function*/ |