version 1.9, 2010/02/12 12:18:33 |
version 1.17.6.1, 2016/12/12 07:37:53 |
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/* $NetBSD$ */ |
/* $NetBSD$ */ |
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/* |
/* |
* Copyright (c) 2009, 2010 The NetBSD Foundation, Inc. |
* Copyright (c) 2009, 2010, 2011 The NetBSD Foundation, Inc. |
* |
* |
* This code is derived from software contributed to The NetBSD Foundation |
* This code is derived from software contributed to The NetBSD Foundation |
* by Roy Marples. |
* by Roy Marples. |
Line 33 __RCSID("$NetBSD$"); |
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Line 33 __RCSID("$NetBSD$"); |
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#include <sys/stat.h> |
#include <sys/stat.h> |
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#include <assert.h> |
#include <assert.h> |
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#include <cdbr.h> |
#include <ctype.h> |
#include <ctype.h> |
#include <errno.h> |
#include <errno.h> |
#include <fcntl.h> |
#include <fcntl.h> |
#include <limits.h> |
#include <limits.h> |
#include <ndbm.h> |
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#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
Line 54 const char *_ti_database; |
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Line 54 const char *_ti_database; |
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#include "compiled_terms.c" |
#include "compiled_terms.c" |
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static int |
static int |
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allocset(void *pp, int init, size_t nelem, size_t elemsize) |
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{ |
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void **p = pp; |
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if (*p) { |
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memset(*p, init, nelem * elemsize); |
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return 0; |
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} |
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if ((*p = calloc(nelem, elemsize)) == NULL) |
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return -1; |
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if (init != 0) |
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memset(*p, init, nelem * elemsize); |
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return 0; |
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} |
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static int |
_ti_readterm(TERMINAL *term, const char *cap, size_t caplen, int flags) |
_ti_readterm(TERMINAL *term, const char *cap, size_t caplen, int flags) |
{ |
{ |
uint8_t ver; |
uint8_t ver; |
Line 61 _ti_readterm(TERMINAL *term, const char |
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Line 78 _ti_readterm(TERMINAL *term, const char |
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size_t len; |
size_t len; |
TERMUSERDEF *ud; |
TERMUSERDEF *ud; |
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if (caplen == 0) |
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goto out; |
ver = *cap++; |
ver = *cap++; |
/* Only read version 1 and 2 structures */ |
caplen--; |
if (ver != 1 && ver != 2) { |
/* Only read version 1 structures */ |
errno = EINVAL; |
if (ver != 1) |
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goto out; |
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if (allocset(&term->flags, 0, TIFLAGMAX + 1, sizeof(*term->flags)) == -1) |
return -1; |
return -1; |
} |
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term->flags = calloc(TIFLAGMAX + 1, sizeof(char)); |
if (allocset(&term->nums, -1, TINUMMAX + 1, sizeof(*term->nums)) == -1) |
if (term->flags == NULL) |
return -1; |
goto err; |
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term->nums = malloc((TINUMMAX + 1) * sizeof(short)); |
if (allocset(&term->strs, 0, TISTRMAX + 1, sizeof(*term->strs)) == -1) |
if (term->nums == NULL) |
return -1; |
goto err; |
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memset(term->nums, (short)-1, (TINUMMAX + 1) * sizeof(short)); |
if (term->_arealen != caplen) { |
term->strs = calloc(TISTRMAX + 1, sizeof(char *)); |
term->_arealen = caplen; |
if (term->strs == NULL) |
term->_area = realloc(term->_area, term->_arealen); |
goto err; |
if (term->_area == NULL) |
term->_arealen = caplen; |
return -1; |
term->_area = malloc(term->_arealen); |
} |
if (term->_area == NULL) |
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goto err; |
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memcpy(term->_area, cap, term->_arealen); |
memcpy(term->_area, cap, term->_arealen); |
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cap = term->_area; |
cap = term->_area; |
Line 89 _ti_readterm(TERMINAL *term, const char |
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Line 109 _ti_readterm(TERMINAL *term, const char |
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cap += sizeof(uint16_t); |
cap += sizeof(uint16_t); |
term->name = cap; |
term->name = cap; |
cap += len; |
cap += len; |
if (ver == 1) |
len = le16dec(cap); |
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cap += sizeof(uint16_t); |
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if (len == 0) |
term->_alias = NULL; |
term->_alias = NULL; |
else { |
else { |
len = le16dec(cap); |
term->_alias = cap; |
cap += sizeof(uint16_t); |
cap += len; |
if (len == 0) |
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term->_alias = NULL; |
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else { |
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term->_alias = cap; |
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cap += len; |
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} |
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} |
} |
len = le16dec(cap); |
len = le16dec(cap); |
cap += sizeof(uint16_t); |
cap += sizeof(uint16_t); |
Line 123 _ti_readterm(TERMINAL *term, const char |
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Line 139 _ti_readterm(TERMINAL *term, const char |
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term->flags[ind] = 0; |
term->flags[ind] = 0; |
} |
} |
} |
} |
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num = le16dec(cap); |
num = le16dec(cap); |
cap += sizeof(uint16_t); |
cap += sizeof(uint16_t); |
if (num != 0) { |
if (num != 0) { |
Line 138 _ti_readterm(TERMINAL *term, const char |
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Line 154 _ti_readterm(TERMINAL *term, const char |
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cap += sizeof(uint16_t); |
cap += sizeof(uint16_t); |
} |
} |
} |
} |
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num = le16dec(cap); |
num = le16dec(cap); |
cap += sizeof(uint16_t); |
cap += sizeof(uint16_t); |
if (num != 0) { |
if (num != 0) { |
Line 158 _ti_readterm(TERMINAL *term, const char |
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Line 174 _ti_readterm(TERMINAL *term, const char |
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cap += len; |
cap += len; |
} |
} |
} |
} |
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num = le16dec(cap); |
num = le16dec(cap); |
cap += sizeof(uint16_t); |
cap += sizeof(uint16_t); |
if (num != 0) { |
if (num != 0) { |
term->_nuserdefs = le16dec(cap); |
num = le16dec(cap); |
term->_userdefs = malloc(sizeof(*term->_userdefs) * num); |
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cap += sizeof(uint16_t); |
cap += sizeof(uint16_t); |
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if (num != term->_nuserdefs) { |
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free(term->_userdefs); |
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term->_userdefs = NULL; |
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term->_nuserdefs = num; |
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} |
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if (allocset(&term->_userdefs, 0, term->_nuserdefs, |
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sizeof(*term->_userdefs)) == -1) |
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return -1; |
for (num = 0; num < term->_nuserdefs; num++) { |
for (num = 0; num < term->_nuserdefs; num++) { |
ud = &term->_userdefs[num]; |
ud = &term->_userdefs[num]; |
len = le16dec(cap); |
len = le16dec(cap); |
Line 204 _ti_readterm(TERMINAL *term, const char |
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Line 227 _ti_readterm(TERMINAL *term, const char |
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cap += len; |
cap += len; |
break; |
break; |
default: |
default: |
errno = EINVAL; |
goto out; |
goto err; |
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} |
} |
} |
} |
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} else { |
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term->_nuserdefs = 0; |
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if (term->_userdefs) { |
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free(term->_userdefs); |
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term->_userdefs = NULL; |
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} |
} |
} |
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return 1; |
return 1; |
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out: |
err: |
errno = EINVAL; |
_ti_freeterm(term); |
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return -1; |
return -1; |
} |
} |
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static int |
static int |
_ti_dbgetterm(TERMINAL *term, const char *path, const char *name, int flags) |
_ti_dbgetterm(TERMINAL *term, const char *path, const char *name, int flags) |
{ |
{ |
DBM *db; |
struct cdbr *db; |
datum dt; |
const void *data; |
char *p; |
char *db_name; |
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const uint8_t *data8; |
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size_t len, klen; |
int r; |
int r; |
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db = dbm_open(path, O_RDONLY, 0644); |
if (asprintf(&db_name, "%s.cdb", path) < 0) |
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return -1; |
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db = cdbr_open(db_name, CDBR_DEFAULT); |
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free(db_name); |
if (db == NULL) |
if (db == NULL) |
return -1; |
return -1; |
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klen = strlen(name) + 1; |
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if (cdbr_find(db, name, klen, &data, &len) == -1) |
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goto fail; |
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data8 = data; |
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if (len == 0) |
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goto fail; |
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/* Check for alias first, fall through to processing normal entries. */ |
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if (data8[0] == 2) { |
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if (klen + 7 > len || le16dec(data8 + 5) != klen) |
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goto fail; |
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if (memcmp(data8 + 7, name, klen)) |
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goto fail; |
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if (cdbr_get(db, le32dec(data8 + 1), &data, &len)) |
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goto fail; |
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data8 = data; |
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if (data8[0] != 1) |
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goto fail; |
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} else if (data8[0] != 1) |
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goto fail; |
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else if (klen + 3 >= len || le16dec(data8 + 1) != klen) |
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goto fail; |
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else if (memcmp(data8 + 3, name, klen)) |
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goto fail; |
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strlcpy(database, path, sizeof(database)); |
strlcpy(database, path, sizeof(database)); |
_ti_database = database; |
_ti_database = database; |
dt.dptr = (void *)__UNCONST(name); |
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dt.dsize = strlen(name); |
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dt = dbm_fetch(db, dt); |
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if (dt.dptr == NULL) { |
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dbm_close(db); |
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return 0; |
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} |
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for (;;) { |
r = _ti_readterm(term, data, len, flags); |
p = (char *)dt.dptr; |
cdbr_close(db); |
if (*p++ != 0) /* not alias */ |
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break; |
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dt.dsize = le16dec(p) - 1; |
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p += sizeof(uint16_t); |
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dt.dptr = p; |
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dt = dbm_fetch(db, dt); |
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if (dt.dptr == NULL) { |
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dbm_close(db); |
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return 0; |
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} |
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} |
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r = _ti_readterm(term, (char *)dt.dptr, dt.dsize, flags); |
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dbm_close(db); |
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return r; |
return r; |
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fail: |
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cdbr_close(db); |
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return 0; |
} |
} |
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static int |
static int |
Line 283 _ti_dbgettermp(TERMINAL *term, const cha |
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Line 325 _ti_dbgettermp(TERMINAL *term, const cha |
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} |
} |
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static int |
static int |
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ticcmp(const TIC *tic, const char *name) |
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{ |
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char *alias, *s; |
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size_t len, l; |
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if (strcmp(tic->name, name) == 0) |
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return 0; |
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if (tic->alias == NULL) |
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return -1; |
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len = strlen(name); |
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alias = tic->alias; |
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while (*alias != '\0') { |
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s = strchr(alias, '|'); |
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if (s == NULL) |
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l = strlen(alias); |
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else |
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l = s - alias; |
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if (len == l && memcmp(alias, name, l) == 0) |
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return 0; |
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if (s == NULL) |
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break; |
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alias = s + 1; |
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} |
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return 1; |
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} |
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static int |
_ti_findterm(TERMINAL *term, const char *name, int flags) |
_ti_findterm(TERMINAL *term, const char *name, int flags) |
{ |
{ |
int r; |
int r; |
char *e, h[PATH_MAX]; |
char *c, *e, h[PATH_MAX]; |
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TIC *tic; |
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uint8_t *f; |
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ssize_t len; |
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_DIAGASSERT(term != NULL); |
_DIAGASSERT(term != NULL); |
_DIAGASSERT(name != NULL); |
_DIAGASSERT(name != NULL); |
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database[0] = '\0'; |
database[0] = '\0'; |
_ti_database = NULL; |
_ti_database = NULL; |
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r = 0; |
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if ((e = getenv("TERMINFO")) != NULL) { |
if ((e = getenv("TERMINFO")) != NULL && *e != '\0') |
if (e[0] == '/') |
if (e[0] == '/') |
return _ti_dbgetterm(term, e, name, flags); |
return _ti_dbgetterm(term, e, name, flags); |
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c = NULL; |
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if (e == NULL && (c = getenv("TERMCAP")) != NULL) { |
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if (*c != '\0' && *c != '/') { |
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c = strdup(c); |
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if (c != NULL) { |
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e = captoinfo(c); |
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free(c); |
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} |
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} |
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} |
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if (e != NULL) { |
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if (c == NULL) |
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e = strdup(e); /* So we don't destroy env */ |
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if (e == NULL) |
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tic = NULL; |
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else { |
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tic = _ti_compile(e, TIC_WARNING | |
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TIC_ALIAS | TIC_DESCRIPTION | TIC_EXTRA); |
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free(e); |
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} |
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if (tic != NULL && ticcmp(tic, name) == 0) { |
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len = _ti_flatten(&f, tic); |
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if (len != -1) { |
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r = _ti_readterm(term, (char *)f, (size_t)len, |
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flags); |
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free(f); |
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} |
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} |
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_ti_freetic(tic); |
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if (r == 1) { |
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if (c == NULL) |
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_ti_database = "$TERMINFO"; |
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else |
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_ti_database = "$TERMCAP"; |
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return r; |
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} |
} |
} |
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if ((e = getenv("TERMINFO_DIRS")) != NULL) |
if ((e = getenv("TERMINFO_DIRS")) != NULL) |
return _ti_dbgettermp(term, e, name, flags); |
return _ti_dbgettermp(term, e, name, flags); |
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r = 0; |
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if ((e = getenv("HOME")) != NULL) { |
if ((e = getenv("HOME")) != NULL) { |
snprintf(h, sizeof(h), "%s/.terminfo", e); |
snprintf(h, sizeof(h), "%s/.terminfo", e); |
r = _ti_dbgetterm(term, h, name, flags); |
r = _ti_dbgetterm(term, h, name, flags); |
Line 323 _ti_getterm(TERMINAL *term, const char * |
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Line 434 _ti_getterm(TERMINAL *term, const char * |
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r = _ti_findterm(term, name, flags); |
r = _ti_findterm(term, name, flags); |
if (r == 1) |
if (r == 1) |
return 1; |
return r; |
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for (i = 0; i < __arraycount(compiled_terms); i++) { |
for (i = 0; i < __arraycount(compiled_terms); i++) { |
t = &compiled_terms[i]; |
t = &compiled_terms[i]; |
Line 335 _ti_getterm(TERMINAL *term, const char * |
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Line 446 _ti_getterm(TERMINAL *term, const char * |
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return r; |
return r; |
} |
} |
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void |
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_ti_freeterm(TERMINAL *term) |
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{ |
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_DIAGASSERT(term != NULL); |
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free(term->_area); |
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term->_area = NULL; |
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free(term->strs); |
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term->strs = NULL; |
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free(term->nums); |
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term->nums = NULL; |
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free(term->flags); |
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term->flags = NULL; |
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free(term->_userdefs); |
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term->_userdefs = NULL; |
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} |
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