diff options
Diffstat (limited to 'newlib/libc/sys/linux/net/nsdispatch.c')
| -rw-r--r-- | newlib/libc/sys/linux/net/nsdispatch.c | 266 |
1 files changed, 0 insertions, 266 deletions
diff --git a/newlib/libc/sys/linux/net/nsdispatch.c b/newlib/libc/sys/linux/net/nsdispatch.c deleted file mode 100644 index ea5fc6d4b..000000000 --- a/newlib/libc/sys/linux/net/nsdispatch.c +++ /dev/null @@ -1,266 +0,0 @@ -/* $NetBSD: nsdispatch.c,v 1.9 1999/01/25 00:16:17 lukem Exp $ */ - -/*- - * Copyright (c) 1997, 1998, 1999 The NetBSD Foundation, Inc. - * All rights reserved. - * - * This code is derived from software contributed to The NetBSD Foundation - * by Luke Mewburn. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the NetBSD - * Foundation, Inc. and its contributors. - * 4. Neither the name of The NetBSD Foundation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS - * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED - * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS - * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include <sys/cdefs.h> -#include <sys/types.h> - -#include <sys/types.h> -#include <sys/param.h> -#include <sys/stat.h> - -#include <fcntl.h> -#define _NS_PRIVATE -#include <nsswitch.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -/* - * default sourcelist: `files' - */ -const ns_src __nsdefaultsrc[] = { - { NSSRC_FILES, NS_SUCCESS }, - { 0 }, -}; - - -static int _nsmapsize = 0; -static ns_dbt *_nsmap = NULL; - -/* - * size of dynamic array chunk for _nsmap and _nsmap[x].srclist - */ -#define NSELEMSPERCHUNK 8 - - -int _nscmp(const void *, const void *); - - -int -_nscmp(a, b) - const void *a; - const void *b; -{ - return (strcasecmp(((const ns_dbt *)a)->name, - ((const ns_dbt *)b)->name)); -} - - -void -_nsdbtaddsrc(dbt, src) - ns_dbt *dbt; - const ns_src *src; -{ - if ((dbt->srclistsize % NSELEMSPERCHUNK) == 0) { - dbt->srclist = (ns_src *)realloc(dbt->srclist, - (dbt->srclistsize + NSELEMSPERCHUNK) * sizeof(ns_src)); - if (dbt->srclist == NULL) - printf("nsdispatch: memory allocation failure\n"); - } - memmove(&dbt->srclist[dbt->srclistsize++], src, sizeof(ns_src)); -} - - -void -_nsdbtdump(dbt) - const ns_dbt *dbt; -{ - int i; - - printf("%s (%d source%s):", dbt->name, dbt->srclistsize, - dbt->srclistsize == 1 ? "" : "s"); - for (i = 0; i < dbt->srclistsize; i++) { - printf(" %s", dbt->srclist[i].name); - if (!(dbt->srclist[i].flags & - (NS_UNAVAIL|NS_NOTFOUND|NS_TRYAGAIN)) && - (dbt->srclist[i].flags & NS_SUCCESS)) - continue; - printf(" ["); - if (!(dbt->srclist[i].flags & NS_SUCCESS)) - printf(" SUCCESS=continue"); - if (dbt->srclist[i].flags & NS_UNAVAIL) - printf(" UNAVAIL=return"); - if (dbt->srclist[i].flags & NS_NOTFOUND) - printf(" NOTFOUND=return"); - if (dbt->srclist[i].flags & NS_TRYAGAIN) - printf(" TRYAGAIN=return"); - printf(" ]"); - } - printf("\n"); -} - - -const ns_dbt * -_nsdbtget(name) - const char *name; -{ - static time_t confmod; - - struct stat statbuf; - ns_dbt dbt; - - extern FILE *_nsyyin; - extern int _nsyyparse(void); - - dbt.name = name; - - if (confmod) { - if (stat(_PATH_NS_CONF, &statbuf) == -1) - return (NULL); - if (confmod < statbuf.st_mtime) { - int i, j; - - for (i = 0; i < _nsmapsize; i++) { - for (j = 0; j < _nsmap[i].srclistsize; j++) { - if (_nsmap[i].srclist[j].name != NULL) { - /*LINTED const cast*/ - free((void *) - _nsmap[i].srclist[j].name); - } - } - if (_nsmap[i].srclist) - free(_nsmap[i].srclist); - if (_nsmap[i].name) { - /*LINTED const cast*/ - free((void *)_nsmap[i].name); - } - } - if (_nsmap) - free(_nsmap); - _nsmap = NULL; - _nsmapsize = 0; - confmod = 0; - } - } - if (!confmod) { - if (stat(_PATH_NS_CONF, &statbuf) == -1) - return (NULL); - _nsyyin = fopen(_PATH_NS_CONF, "r"); - if (_nsyyin == NULL) - return (NULL); - _nsyyparse(); - (void)fclose(_nsyyin); - qsort(_nsmap, (size_t)_nsmapsize, sizeof(ns_dbt), _nscmp); - confmod = statbuf.st_mtime; - } - return (bsearch(&dbt, _nsmap, (size_t)_nsmapsize, sizeof(ns_dbt), - _nscmp)); -} - - -void -_nsdbtput(dbt) - const ns_dbt *dbt; -{ - int i; - - for (i = 0; i < _nsmapsize; i++) { - if (_nscmp(dbt, &_nsmap[i]) == 0) { - /* overwrite existing entry */ - if (_nsmap[i].srclist != NULL) - free(_nsmap[i].srclist); - memmove(&_nsmap[i], dbt, sizeof(ns_dbt)); - return; - } - } - - if ((_nsmapsize % NSELEMSPERCHUNK) == 0) { - _nsmap = (ns_dbt *)realloc(_nsmap, - (_nsmapsize + NSELEMSPERCHUNK) * sizeof(ns_dbt)); - if (_nsmap == NULL) - printf("nsdispatch: memory allocation failure\n"); - } - memmove(&_nsmap[_nsmapsize++], dbt, sizeof(ns_dbt)); -} - - -int -#if __STDC__ -nsdispatch(void *retval, const ns_dtab disp_tab[], const char *database, - const char *method, const ns_src defaults[], ...) -#else -nsdispatch(retval, disp_tab, database, method, defaults, va_alist) - void *retval; - const ns_dtab disp_tab[]; - const char *database; - const char *method; - const ns_src defaults[]; - va_dcl -#endif -{ - va_list ap; - int i, curdisp, result; - const ns_dbt *dbt; - const ns_src *srclist; - int srclistsize; - - dbt = _nsdbtget(database); - if (dbt != NULL) { - srclist = dbt->srclist; - srclistsize = dbt->srclistsize; - } else { - srclist = defaults; - srclistsize = 0; - while (srclist[srclistsize].name != NULL) - srclistsize++; - } - result = 0; - - for (i = 0; i < srclistsize; i++) { - for (curdisp = 0; disp_tab[curdisp].src != NULL; curdisp++) - if (strcasecmp(disp_tab[curdisp].src, - srclist[i].name) == 0) - break; - result = 0; - if (disp_tab[curdisp].callback) { -#if __STDC__ - va_start(ap, defaults); -#else - va_start(ap); -#endif - result = disp_tab[curdisp].callback(retval, - disp_tab[curdisp].cb_data, ap); - va_end(ap); - if (result & srclist[i].flags) { - break; - } - } - } - return (result ? result : NS_NOTFOUND); -} |