- return ((struct name_table_entry *)NULL);
-}
-#endif
-
-#ifdef MAIN_PROGRAM
-/*
- * This filter reads from standard input a list of tab-delimited columns,
- * (e.g., from Caps.filtered) computes the hash-value of a specified column and
- * writes the hashed tables to standard output.
- *
- * By compiling the hash table at build time, we're able to make the entire
- * set of terminfo and termcap tables readonly (and also provide some runtime
- * performance enhancement).
- */
-
-#define MAX_COLUMNS BUFSIZ /* this _has_ to be worst-case */
-
-static char **parse_columns(char *buffer)
-{
- static char **list;
-
- int col = 0;
-
- if (list == 0 && (list = typeCalloc(char *, MAX_COLUMNS)) == 0)
- return(0);
-
- if (*buffer != '#') {
- while (*buffer != '\0') {
- char *s;
- for (s = buffer; (*s != '\0') && !isspace(*s); s++)
- /*EMPTY*/;
- if (s != buffer) {
- char mark = *s;
- *s = '\0';
- if ((s - buffer) > 1
- && (*buffer == '"')
- && (s[-1] == '"')) { /* strip the quotes */
- buffer++;
- s[-1] = '\0';
- }
- list[col] = buffer;
- col++;
- if (mark == '\0')
- break;
- while (*++s && isspace(*s))
- /*EMPTY*/;
- buffer = s;
- } else
- break;
- }
- }
- return col ? list : 0;
-}
-
-int main(int argc, char **argv)
-{
- struct name_table_entry *name_table = typeCalloc(struct name_table_entry, CAPTABSIZE);
- struct name_table_entry **hash_table = typeCalloc(struct name_table_entry *, HASHTABSIZE);
- const char *root_name = "";
- int column = 0;
- int n;
- char buffer[BUFSIZ];
-
- static const char * typenames[] = { "BOOLEAN", "NUMBER", "STRING" };
-
- short BoolCount = 0;
- short NumCount = 0;
- short StrCount = 0;
-
- /* The first argument is the column-number (starting with 0).
- * The second is the root name of the tables to generate.
- */
- if (argc <= 2
- || (column = atoi(argv[1])) <= 0
- || (column >= MAX_COLUMNS)
- || *(root_name = argv[2]) == 0) {
- fprintf(stderr, "usage: make_hash column root_name\n");
- exit(EXIT_FAILURE);
- }
-
- /*
- * Read the table into our arrays.
- */
- for (n = 0; (n < CAPTABSIZE) && fgets(buffer, BUFSIZ, stdin); ) {
- char **list, *nlp = strchr(buffer, '\n');
- if (nlp)
- *nlp = '\0';
- list = parse_columns(buffer);
- if (list == 0) /* blank or comment */
- continue;
- name_table[n].nte_link = -1; /* end-of-hash */
- name_table[n].nte_name = strdup(list[column]);
- if (!strcmp(list[2], "bool")) {
- name_table[n].nte_type = BOOLEAN;
- name_table[n].nte_index = BoolCount++;
- } else if (!strcmp(list[2], "num")) {
- name_table[n].nte_type = NUMBER;
- name_table[n].nte_index = NumCount++;
- } else if (!strcmp(list[2], "str")) {
- name_table[n].nte_type = STRING;
- name_table[n].nte_index = StrCount++;
- } else {
- fprintf(stderr, "Unknown type: %s\n", list[2]);
- exit(EXIT_FAILURE);
- }
- n++;
- }
- _nc_make_hash_table(name_table, hash_table);
-
- /*
- * Write the compiled tables to standard output
- */
- printf("static struct name_table_entry const _nc_%s_table[] =\n",
- root_name);
- printf("{\n");
- for (n = 0; n < CAPTABSIZE; n++) {
- sprintf(buffer, "\"%s\"",
- name_table[n].nte_name);
- printf("\t{ %15s,\t%10s,\t%3d, %3d }%c\n",
- buffer,
- typenames[name_table[n].nte_type],
- name_table[n].nte_index,
- name_table[n].nte_link,
- n < CAPTABSIZE - 1 ? ',' : ' ');
- }
- printf("};\n\n");
-
- printf("const struct name_table_entry * const _nc_%s_hash_table[%d] =\n",
- root_name,
- HASHTABSIZE+1);
- printf("{\n");
- for (n = 0; n < HASHTABSIZE; n++) {
- if (hash_table[n] != 0) {
- sprintf(buffer, "_nc_%s_table + %3ld",
- root_name,
- (long) (hash_table[n] - name_table));
- } else {
- strcpy(buffer, "0");
- }
- printf("\t%s,\n", buffer);
- }
- printf("\t_nc_%s_table\t/* base-of-table */\n", root_name);
- printf("};\n\n");
-
- printf("#if (BOOLCOUNT!=%d)||(NUMCOUNT!=%d)||(STRCOUNT!=%d)\n",
- BoolCount, NumCount, StrCount);
- printf("#error\t--> term.h and comp_captab.c disagree about the <--\n");
- printf("#error\t--> numbers of booleans, numbers and/or strings <--\n");
- printf("#endif\n\n");
-
- return EXIT_SUCCESS;