/****************************************************************************
- * Copyright (c) 1998,2000,2001 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2005,2007 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
/****************************************************************************
* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
* and: Eric S. Raymond <esr@snark.thyrsus.com> *
+ * and: Thomas E. Dickey 1996-on *
****************************************************************************/
/*
*
*/
+#define USE_TERMLIB 1
#include <curses.priv.h>
#include <tic.h>
#define DEBUG(level, params) /*nothing */
#endif
-MODULE_ID("$Id: comp_hash.c,v 1.25 2001/06/02 22:50:42 skimo Exp $")
+MODULE_ID("$Id: comp_hash.c,v 1.33 2007/08/18 21:42:25 tom Exp $")
static int hash_function(const char *);
static void
_nc_make_hash_table(struct name_table_entry *table,
- struct name_table_entry **hash_table)
+ short *hash_table)
{
int i;
int hashvalue;
int collisions = 0;
+ for (i = 0; i < HASHTABSIZE; i++) {
+ hash_table[i] = -1;
+ }
for (i = 0; i < CAPTABSIZE; i++) {
hashvalue = hash_function(table[i].nte_name);
- if (hash_table[hashvalue] != (struct name_table_entry *) 0)
+ if (hash_table[hashvalue] >= 0)
collisions++;
if (hash_table[hashvalue] != 0)
- table[i].nte_link = (short) (hash_table[hashvalue] - table);
- hash_table[hashvalue] = &table[i];
+ table[i].nte_link = hash_table[hashvalue];
+ hash_table[hashvalue] = i;
}
DEBUG(4, ("Hash table complete: %d collisions out of %d entries",
* Computes the hashing function on the given string.
*
* The current hash function is the sum of each consectutive pair
- * of characters, taken as two-byte integers, mod Hashtabsize.
+ * of characters, taken as two-byte integers, mod HASHTABSIZE.
*
*/
-static
-int
+static int
hash_function(const char *string)
{
long sum = 0;
#ifndef MAIN_PROGRAM
NCURSES_EXPORT(struct name_table_entry const *)
-_nc_find_entry
-(const char *string, const struct name_table_entry *const *hash_table)
+_nc_find_entry(const char *string,
+ const short *hash_table)
{
int hashvalue;
- struct name_table_entry const *ptr;
+ struct name_table_entry const *ptr = 0;
+ struct name_table_entry const *real_table;
hashvalue = hash_function(string);
- if ((ptr = hash_table[hashvalue]) != 0) {
+ if (hash_table[hashvalue] >= 0) {
+ real_table = _nc_get_table(hash_table != _nc_get_hash_table(FALSE));
+ ptr = real_table + hash_table[hashvalue];
while (strcmp(ptr->nte_name, string) != 0) {
if (ptr->nte_link < 0)
return 0;
- ptr = ptr->nte_link + hash_table[HASHTABSIZE];
+ ptr = real_table + (ptr->nte_link + hash_table[HASHTABSIZE]);
}
}
*/
NCURSES_EXPORT(struct name_table_entry const *)
-_nc_find_type_entry
-(const char *string,
- int type,
- const struct name_table_entry *table)
+_nc_find_type_entry(const char *string,
+ int type,
+ const struct name_table_entry *table)
{
struct name_table_entry const *ptr;
{
struct name_table_entry *name_table = typeCalloc(struct
name_table_entry, CAPTABSIZE);
- struct name_table_entry **hash_table = typeCalloc(struct name_table_entry
- *, HASHTABSIZE);
+ short *hash_table = typeCalloc(short, HASHTABSIZE);
const char *root_name = "";
int column = 0;
+ int bigstring = 0;
int n;
char buffer[BUFSIZ];
/* The first argument is the column-number (starting with 0).
* The second is the root name of the tables to generate.
*/
- if (argc <= 2
+ if (argc <= 3
|| (column = atoi(argv[1])) <= 0
|| (column >= MAX_COLUMNS)
- || *(root_name = argv[2]) == 0) {
- fprintf(stderr, "usage: make_hash column root_name\n");
+ || *(root_name = argv[2]) == 0
+ || (bigstring = atoi(argv[3])) < 0) {
+ fprintf(stderr, "usage: make_hash column root_name bigstring\n");
exit(EXIT_FAILURE);
}
/*
* 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 ? ',' : ' ');
+ if (bigstring) {
+ int len = 0;
+ int nxt;
+
+ printf("static const char %s_names_text[] = \\\n", root_name);
+ for (n = 0; n < CAPTABSIZE; n++) {
+ nxt = strlen(name_table[n].nte_name) + 5;
+ if (nxt + len > 72) {
+ printf("\\\n");
+ len = 0;
+ }
+ printf("\"%s\\0\" ", name_table[n].nte_name);
+ len += nxt;
+ }
+ printf(";\n\n");
+
+ len = 0;
+ printf("static name_table_data const %s_names_data[] =\n",
+ root_name);
+ printf("{\n");
+ for (n = 0; n < CAPTABSIZE; n++) {
+ printf("\t{ %15d,\t%10s,\t%3d, %3d }%c\n",
+ len,
+ typenames[name_table[n].nte_type],
+ name_table[n].nte_index,
+ name_table[n].nte_link,
+ n < CAPTABSIZE - 1 ? ',' : ' ');
+ len += strlen(name_table[n].nte_name) + 1;
+ }
+ printf("};\n\n");
+ printf("static struct name_table_entry *_nc_%s_table = 0;\n\n", root_name);
+ } else {
+
+ printf("static struct name_table_entry %s _nc_%s_table[] =\n",
+ bigstring ? "" : "const",
+ 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("};\n\n");
- printf("const struct name_table_entry * const _nc_%s_hash_table[%d] =\n",
+ printf("static const short _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%3d,\n", hash_table[n]);
}
- printf("\t_nc_%s_table\t/* base-of-table */\n", root_name);
+ printf("\t0\t/* base-of-table */\n");
printf("};\n\n");
printf("#if (BOOLCOUNT!=%d)||(NUMCOUNT!=%d)||(STRCOUNT!=%d)\n",
projects / ncurses.git / blobdiff