usr/src/cmd/valtools/ckitem.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  28 /*        All Rights Reserved   */
  29
  30
  31 #pragma ident   "%Z%%M% %I%     %E% SMI"
  32
  33 #include <stdio.h>
  34 #include <ctype.h>
  35 #include <string.h>
  36 #include <signal.h>
  37 #include <valtools.h>
  38 #include <stdlib.h>
  39 #include <locale.h>
  40 #include <libintl.h>
  41 #include <limits.h>
  42 #include <wchar.h>
  43 #include "usage.h"
  44 #include "libadm.h"
  45
  46 #define BADPID  (-2)
  47 #define INVISMAXSIZE 36
  48
  49 static char     *prog;
  50 static char     *deflt = NULL, *prompt = NULL, *error = NULL, *help = NULL;
  51 static int      kpid = BADPID;
  52 static int      signo;
  53
  54 static char     *label, **invis;
  55 static int      ninvis = 0;
  56 static int      max = 1;
  57 static int      attr = CKALPHA;
  58
  59 #define MAXSIZE 128
  60 #define LSIZE   1024
  61 #define INTERR  \
  62         "%s: ERROR: internal error occurred while attempting menu setup\n"
  63 #define MYOPTS \
  64         "\t-f file             #file containing choices\n" \
  65         "\t-l label            #menu label\n" \
  66         "\t-i invis [, ...]    #invisible menu choices\n" \
  67         "\t-m max              #maximum choices user may select\n" \
  68         "\t-n                  #do not sort choices alphabetically\n" \
  69         "\t-o                  #don't prompt if only one choice\n" \
  70         "\t-u                  #unnumbered choices\n"
  71
  72 static const char       husage[] = "Wh";
  73 static const char       eusage[] = "We";
  74
  75 static void
  76 usage(void)
  77 {
  78         switch (*prog) {
  79         default:
  80                 (void) fprintf(stderr,
  81                         gettext("usage: %s [options] [choice [...]]\n"), prog);
  82                 (void) fprintf(stderr, gettext(OPTMESG));
  83                 (void) fprintf(stderr, gettext(MYOPTS));
  84                 (void) fprintf(stderr, gettext(STDOPTS));
  85                 break;
  86
  87         case 'h':
  88                 (void) fprintf(stderr,
  89                         gettext("usage: %s [options] [choice [...]]\n"), prog);
  90                 (void) fprintf(stderr, gettext(OPTMESG));
  91                 (void) fprintf(stderr,
  92                         gettext("\t-W width\n\t-h help\n"));
  93                 break;
  94
  95         case 'e':
  96                 (void) fprintf(stderr,
  97                         gettext("usage: %s [options] [choice [...]]\n"), prog);
  98                 (void) fprintf(stderr, gettext(OPTMESG));
  99                 (void) fprintf(stderr,
 100                         gettext("\t-W width\n\t-e error\n"));
 101                 break;
 102         }
 103         exit(1);
 104 }
 105
 106 /*
 107  * Given argv[0], return a pointer to the basename of the program.
 108  */
 109 static char *
 110 prog_name(char *arg0)
 111 {
 112         char *str;
 113
 114         /* first strip trailing '/' characters (exec() allows these!) */
 115         str = arg0 + strlen(arg0);
 116         while (str > arg0 && *--str == '/')
 117                 *str = '\0';
 118         if ((str = strrchr(arg0, '/')) != NULL)
 119                 return (str + 1);
 120         return (arg0);
 121 }
 122
 123 int
 124 main(int argc, char **argv)
 125 {
 126         CKMENU  *mp;
 127         FILE    *fp = NULL;
 128         int     c, i;
 129         char    **item;
 130         char    temp[LSIZE * MB_LEN_MAX];
 131         size_t  mmax;
 132         size_t invismaxsize = INVISMAXSIZE;
 133         size_t  n, r;
 134         wchar_t wline[LSIZE], wtemp[LSIZE];
 135
 136         (void) setlocale(LC_ALL, "");
 137
 138 #if     !defined(TEXT_DOMAIN)
 139 #define TEXT_DOMAIN     "SYS_TEST"
 140 #endif
 141         (void) textdomain(TEXT_DOMAIN);
 142
 143         prog = prog_name(argv[0]);
 144
 145         invis = (char **)calloc(invismaxsize, sizeof (char *));
 146         if (!invis) {
 147                 (void) fprintf(stderr,
 148                         gettext("Not enough memory\n"));
 149                         exit(1);
 150         }
 151         while ((c = getopt(argc, argv, "m:oni:l:f:ud:p:e:h:k:s:QW:?")) != EOF) {
 152                 /* check for invalid option */
 153                 if ((*prog == 'e') && !strchr(eusage, c))
 154                         usage(); /* no valid options */
 155                 if ((*prog == 'h') && !strchr(husage, c))
 156                         usage();
 157
 158                 switch (c) {
 159                 case 'Q':
 160                         ckquit = 0;
 161                         break;
 162
 163                 case 'W':
 164                         ckwidth = atol(optarg);
 165                         if (ckwidth < 0) {
 166                                 (void) fprintf(stderr,
 167                 gettext("%s: ERROR: negative display width specified\n"),
 168                                         prog);
 169                                 exit(1);
 170                         }
 171                         break;
 172
 173                 case 'm':
 174                         max = atoi(optarg);
 175                         if (max > SHRT_MAX || max < SHRT_MIN) {
 176                                 (void) fprintf(stderr,
 177         gettext("%s: ERROR: too large or too small max value specified\n"),
 178                                         prog);
 179                                 exit(1);
 180                         }
 181                         break;
 182
 183                 case 'o':
 184                         attr |= CKONEFLAG;
 185                         break;
 186
 187                 case 'n':
 188                         attr &= ~CKALPHA;
 189                         break;
 190
 191                 case 'i':
 192                         invis[ninvis++] = optarg;
 193                         if (ninvis == invismaxsize) {
 194                                 invismaxsize += INVISMAXSIZE;
 195                                 invis = (char **)realloc(invis,
 196                                                 invismaxsize * sizeof (char *));
 197                                 if (!invis) {
 198                                         (void) fprintf(stderr,
 199                                                 gettext("Not enough memory\n"));
 200                                                 exit(1);
 201                                 }
 202                                 (void) memset(invis + ninvis, 0,
 203                                         (invismaxsize - ninvis) *
 204                                         sizeof (char *));
 205                         }
 206                         break;
 207
 208                 case 'l':
 209                         label = optarg;
 210                         break;
 211
 212                 case 'f':
 213                         if ((fp = fopen(optarg, "r")) == NULL) {
 214                                 (void) fprintf(stderr,
 215                                         gettext("%s: ERROR: can't open %s\n"),
 216                                         prog, optarg);
 217                                 exit(1);
 218                         }
 219                         break;
 220
 221                 case 'u':
 222                         attr |= CKUNNUM;
 223                         break;
 224
 225                 case 'd':
 226                         deflt = optarg;
 227                         break;
 228
 229                 case 'p':
 230                         prompt = optarg;
 231                         break;
 232
 233                 case 'e':
 234                         error = optarg;
 235                         break;
 236
 237                 case 'h':
 238                         help = optarg;
 239                         break;
 240
 241                 case 'k':
 242                         kpid = atoi(optarg);
 243                         break;
 244
 245                 case 's':
 246                         signo = atoi(optarg);
 247                         break;
 248
 249                 default:
 250                         usage();
 251                 }
 252         }
 253
 254         if (signo) {
 255                 if (kpid == BADPID)
 256                         usage();
 257         } else
 258                 signo = SIGTERM;
 259
 260         mp = allocmenu(label, attr);
 261         if (fp) {
 262                 *wtemp = L'\0';
 263                 while (fgetws(wline, LSIZE, fp)) {
 264                         /*
 265                          * Skip comment lines, those beginning with '#'.
 266                          * Note:  AT&T forgot this & needs the next 2 lines.
 267                          */
 268                         if (*wline == L'#')
 269                                 continue;
 270                         n = wcslen(wline);
 271                         if ((n != 0) && (wline[n - 1] == L'\n'))
 272                                 wline[n - 1] = L'\0';
 273                         /*
 274                          * if the line begins with a space character,
 275                          * this is a continuous line to the previous line.
 276                          */
 277                         if (iswspace(*wline)) {
 278                                 (void) wcscat(wtemp, L"\n");
 279                                 (void) wcscat(wtemp, wline);
 280                         } else {
 281                                 if (*wtemp) {
 282                                         n = wcslen(wtemp);
 283                                         r = wcstombs(temp, wtemp,
 284                                                 n * MB_LEN_MAX);
 285                                         if (r == (size_t)-1) {
 286                                                 (void) fprintf(stderr,
 287                         gettext("Invalid character in the menu definition.\n"));
 288                                                 exit(1);
 289                                         }
 290                                         if (setitem(mp, temp)) {
 291                                                 (void) fprintf(stderr,
 292                                                         gettext(INTERR), prog);
 293                                                 exit(1);
 294                                         }
 295                                 }
 296                                 (void) wcscpy(wtemp, wline);
 297                         }
 298                 }
 299                 if (*wtemp) {
 300                         n = wcslen(wtemp);
 301                         r = wcstombs(temp, wtemp, n * MB_LEN_MAX);
 302                         if (r == (size_t)-1) {
 303                                 (void) fprintf(stderr,
 304                         gettext("Invalid character in the menu definition.\n"));
 305                                 exit(1);
 306                         }
 307                         if (setitem(mp, temp)) {
 308                                 (void) fprintf(stderr, gettext(INTERR), prog);
 309                                 exit(1);
 310                         }
 311                 }
 312         }
 313
 314         while (optind < argc) {
 315                 if (setitem(mp, argv[optind++])) {
 316                         (void) fprintf(stderr, gettext(INTERR), prog);
 317                         exit(1);
 318                 }
 319         }
 320
 321         for (n = 0; n < ninvis; ) {
 322                 if (setinvis(mp, invis[n++])) {
 323                         (void) fprintf(stderr, gettext(INTERR), prog);
 324                         exit(1);
 325                 }
 326         }
 327
 328         if (*prog == 'e') {
 329                 ckindent = 0;
 330                 ckitem_err(mp, error);
 331                 exit(0);
 332         } else if (*prog == 'h') {
 333                 ckindent = 0;
 334                 ckitem_hlp(mp, help);
 335                 exit(0);
 336         }
 337
 338         if (max < 1) {
 339                 mmax = mp->nchoices;
 340         } else {
 341                 mmax = max;
 342         }
 343
 344 /*
 345  * if -o option is specified, mp->nchoices is 1, and if no invisible
 346  * item is specified, ckitem() will consume two entries of item,
 347  * even though 'max' is set to 1. So to take care of that problem, we
 348  * allocate one extra element for item
 349  */
 350         item = (char **)calloc(mmax+1, sizeof (char *));
 351         if (!item) {
 352                 (void) fprintf(stderr,
 353                         gettext("Not enough memory\n"));
 354                 exit(1);
 355         }
 356         n = ckitem(mp, item, max, deflt, error, help, prompt);
 357         if (n == 3) {
 358                 if (kpid > -2)
 359                         (void) kill(kpid, signo);
 360                 (void) puts("q");
 361         } else if (n == 0) {
 362                 i = 0;
 363                 while (item[i])
 364                         (void) puts(item[i++]);
 365         }
 366         return (n);
 367 }