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- /* Copyright (c) 1994 Burra Gopal, Udi Manber. All Rights Reserved. */
-
- /*
- * main_tbuild.c: calls tbuild.c/compute_dictionary() after reading options.
- */
-
- #include "defs.h"
-
- extern int compute_dictionary();
- extern char **environ;
-
- usage(progname)
- char *progname;
- {
- fprintf(stderr, "usage: %s [-H directory] [-t threshold] [-l stop-list-size]\n", progname);
- fprintf(stderr, "defaults: %d %d %d ~\n", DEF_SPECIAL_WORDS, DEF_THRESHOLD, DEF_BLOCKSIZE);
- exit(1);
- }
-
- main(argc, argv)
- int argc;
- unsigned char *argv[];
- {
- char comp_dir[MAX_LINE_LEN];
- int threshold, specialwords;
- int i = 1;
- char *home;
-
- /* fill in default options */
- comp_dir[0] = '\0';
- threshold = DEF_THRESHOLD;
- specialwords = DEF_SPECIAL_WORDS;
-
- while(i < argc) {
- if (argv[i][0] != '-') return usage(argv[0]);
- else if (argv[i][1] == 'H') strcpy(comp_dir, argv[++i]);
- else if (argv[i][1] == 't') threshold = atoi(argv[++i]);
- else if (argv[i][1] == 'l') specialwords = atoi(argv[++i]);
- else if (argv[i][1] == 'V') {
- printf("\nThis is tbuild version %s. Copyright (c) %s, University of Arizona.\n\n", CAST_VERSION, CAST_DATE);
- }
- else return usage(argv[0]);
- i++;
- }
- if (comp_dir[0] == '\0') {
- if ((home = (char *)getenv("HOME")) == NULL) {
- getcwd(comp_dir, MAX_LINE_LEN-1);
- fprintf(stderr, "using working-directory '%s' to locate index\n", comp_dir);
- }
- else strncpy(comp_dir, home, MAX_LINE_LEN);
- }
-
- compute_dictionary(threshold, DISKBLOCKSIZE, specialwords, comp_dir);
- }
-