version 1.6, 2009/04/05 16:34:22 |
version 1.15, 2009/09/23 11:53:45 |
|
|
/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@openbsd.org> |
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the |
* purpose with or without fee is hereby granted, provided that the above |
* above copyright notice and this permission notice appear in all |
* copyright notice and this permission notice appear in all copies. |
* copies. |
|
* |
* |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* PERFORMANCE OF THIS SOFTWARE. |
|
*/ |
*/ |
|
#include <sys/types.h> |
|
|
#include <assert.h> |
#include <assert.h> |
|
#include <limits.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
|
|
#include "libman.h" |
#include "libman.h" |
|
|
|
static u_char table[26 * 6]; |
|
|
/* ARGUSED */ |
/* |
|
* XXX - this hash has global scope, so if intended for use as a library |
|
* with multiple callers, it will need re-invocation protection. |
|
*/ |
void |
void |
man_hash_free(void *htab) |
man_hash_init(void) |
{ |
{ |
|
|
free(htab); |
|
} |
|
|
|
|
|
/* ARGUSED */ |
|
void * |
|
man_hash_alloc(void) |
|
{ |
|
int *htab; |
|
int i, j, x; |
int i, j, x; |
|
|
htab = calloc(26 * 5, sizeof(int)); |
memset(table, UCHAR_MAX, sizeof(table)); |
if (NULL == htab) |
|
return(NULL); |
|
|
|
for (i = 1; i < MAN_MAX; i++) { |
for (i = 0; i < MAN_MAX; i++) { |
x = man_macronames[i][0]; |
x = man_macronames[i][0]; |
|
|
assert((x >= 65 && x <= 90) || |
assert((x >= 65 && x <= 90) || |
(x >= 97 && x <= 122)); |
(x >= 97 && x <= 122)); |
|
|
x -= (x <= 90) ? 65 : 97; |
x -= (x <= 90) ? 65 : 97; |
x *= 5; |
x *= 6; |
|
|
for (j = 0; j < 5; j++) |
for (j = 0; j < 6; j++) |
if (0 == htab[x + j]) { |
if (UCHAR_MAX == table[x + j]) { |
htab[x + j] = i; |
table[x + j] = (u_char)i; |
break; |
break; |
} |
} |
|
assert(j < 6); |
assert(j < 5); |
|
} |
} |
|
|
return((void *)htab); |
|
} |
} |
|
|
|
|
int |
int |
man_hash_find(const void *arg, const char *tmp) |
man_hash_find(const char *tmp) |
{ |
{ |
int x, i, tok; |
int x, i, tok; |
const int *htab; |
|
|
|
htab = (const int *)arg; |
|
|
|
if (0 == (x = tmp[0])) |
if (0 == (x = tmp[0])) |
return(MAN_MAX); |
return(MAN_MAX); |
if ( ! ((x >= 65 && x <= 90) || (x >= 97 && x <= 122))) |
if ( ! ((x >= 65 && x <= 90) || (x >= 97 && x <= 122))) |
return(MAN_MAX); |
return(MAN_MAX); |
|
|
x -= (x <= 90) ? 65 : 97; |
x -= (x <= 90) ? 65 : 97; |
x *= 5; |
x *= 6; |
|
|
for (i = 0; i < 5; i++) { |
for (i = 0; i < 6; i++) { |
if (0 == (tok = htab[x + i])) |
if (UCHAR_MAX == (tok = table[x + i])) |
return(MAN_MAX); |
return(MAN_MAX); |
if (0 == strcmp(tmp, man_macronames[tok])) |
if (0 == strcmp(tmp, man_macronames[tok])) |
return(tok); |
return(tok); |
Line 90 man_hash_find(const void *arg, const char *tmp) |
|
Line 75 man_hash_find(const void *arg, const char *tmp) |
|
|
|
return(MAN_MAX); |
return(MAN_MAX); |
} |
} |
|
|