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author | Roland McGrath <roland@gnu.org> | 1996-06-25 08:56:57 +0000 |
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committer | Roland McGrath <roland@gnu.org> | 1996-06-25 08:56:57 +0000 |
commit | 5f0e6fc702296840d2daa39f83f6cb1e40073d58 (patch) | |
tree | 6e6c29e50f713eac4c87b54a6e5730fa0dedb65a /nss/getXXbyYY_r.c | |
parent | Sat Jun 22 21:29:52 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu> (diff) | |
download | glibc-5f0e6fc702296840d2daa39f83f6cb1e40073d58.tar.gz glibc-5f0e6fc702296840d2daa39f83f6cb1e40073d58.tar.bz2 glibc-5f0e6fc702296840d2daa39f83f6cb1e40073d58.zip |
Tue Jun 25 02:59:11 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>cvs/libc-960625
* malloc/malloc.h: Declare malloc_object_allocated_size, malloc_walk.
* malloc/Makefile (dist-routines): Add malloc-size, malloc-walk.
* malloc/malloc-size.c: New file.
* malloc/malloc-walk.c: New file.
* malloc/malloc-find.c (malloc_find_object_address): Return null if
PTR is outside the heap.
* elf/dl-load.c (_dl_map_object): If the requested name matches the
soname of a loaded object, use that object.
Mon Jun 24 19:57:01 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* Makefile (subdirs): Add nss.
* inet/Makefile (routines): Add getrpcent, getrpcbyname,
getrpcbynumber, getrpcent_r, getrpcbyname_r, getrpcbynumber_r.
* inet/getrpcbynumber_r.c: New file.
* inet/getrpcbynumber.c: New file.
* inet/getrpcbyname.c: New file.
* inet/getrpcbyname_r.c: New file.
* inet/getrpcent_r.c: New file.
* inet/getrpcent.c: New file.
* nss/rpc-lookup.c: New file.
* nss/nss_files/files-rpc.c: New file.
* nss/Makefile (routines): Add rpc-lookup.
(libnss_files-routines): Add files-rpc.
* sunrpc/Makefile (routines): Remove getrpcent.
* sunrpc/getrpcent.c: File removed.
* nss/getXXent_r.c (REENTRANT_GETNAME): Clear NO_MORE when NIP is
non-null on entry.
* Makeconfig (rpath-link): Add $(nssobjdir).
(nssobjdir): New variable.
* Makerules: Move shared library building before objects rules, so
versions are known before extra-lib.mk gets included.
* extra-lib.mk (lib-noranlib): Depend on the shared object too.
* pwd/getpwuid.c: Rewritten using nss.
* pwd/getpwnam.c: Likewise.
* pwd/getpwent.c: Likewise.
* grp/getgrnam.c: Likewise.
* grp/getgrgid.c: Likewise.
* grp/getgrent.c: Likewise.
* pwd/Makefile (routines): Add getpwent_r, getpwnam_r, getpwuid_r.
* pwd/getpwent_r.c: New file.
* pwd/getpwnam_r.c: New file.
* pwd/getpwuid_r.c: New file.
* grp/Makefile (routines): Add getgrent_r, getgrgid_r, getgrnam_r.
* grp/getgrnam_r.c: New file.
* grp/getgrgid_r.c: New file.
* grp/getgrent_r.c: New file.
* grp/Makefile (routines): Remove grpopen, grpread.
* pwd/Makefile (routines): Remove pwdopen, pwdread.
* grp/grpopen.c, grp/grpread.c, pwd/pwdopen.c, pwd/pwdread.c: Removed.
* pwd/fgetpwent.c: Rewritten using files-parse.c.
* grp/fgetgrent.c: Likewise.
* nss/Makefile (routines): Add grp-lookup and pwd-lookup.
* nss/pwd-lookup.c, nss/grp-lookup.c: New files.
* nss/nss_files/files-grp.c: New file.
* nss/nss_files/files-pwd.c: New file.
* nss/Makefile (subdir-dirs): New variable; use it in vpath.
* nss/nss_files/files-parse.c: New file.
* nss/nss_files/files-XXX.c: New file.
* nss/nss_files/files-hosts.c, nss/nss_files/files-proto.c,
nss/nss_files/files-service.c, nss/nss_files/files-network.c:
Rewritten using them.
* nss/Makefile (libnss_files-routines): Remove files-host.
Add files-hosts, files-grp, files-pwd.
* nss/nss_dns/dns-network.c: Don't include <pthread.h>.
Mon Jun 24 22:39:12 1996 Richard Henderson <rth@tamu.edu>
* sysdeps/alpha/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE):
A .plt entry now loads the .rela.plt offset directly rather
than making us calculate it.
Sun Jun 23 15:24:05 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* time/Makefile ($(installed-localtime-file) rule): Do
$(make-target-directory) first.
* resolv.h: Fix wrapper for resolv/resolv.h.
* configure.in (ld --no-whole-archive check): Use AC_TRY_COMMAND.
Compile dummy file and pass -nostdlib -nostartfiles so as not to
require installed libraries.
* shlib-versions (*-*-*): Set libresolv=2, libnss_files=1,
libnss_dns=1.
Sun Jun 23 19:42:05 1996 Ulrich Drepper <drepper@cygnus.com>
* resolv/netdb.h (_PATH_NSSWITCH_CONF): New macro.
* inet/herrno.c: New file.
* resolv/res_init.c: Remove res_hconf calls.
* nss/Makefile, nss/XXX-lookup.c, nss/file-lookup.c,
nss/getXXbyYY.c, nss/getXXbyYY_r.c, nss/getXXent.c,
nss/getXXent_r.c, nss/host-lookup.c, nss/network-lookup.c,
nss/nsswitch.c, nss/nsswitch.h, nss/proto-lookup.c,
nss/service-lookup.c: New files. Implementation of name
service switch, following the approach in Solaris.
Interface specification and general structure inspired by Peter
Eriksson <pen@lysator.liu.se>.
* nss/nss_files/files-host.c, nss/nss_files/files-network.c,
nss/nss_files/files-proto.c, nss/nss_files/files-service.c:
Implementation of libnss_files.so module for file based databases
in NSS service.
* nss/nss_dns/dns-host.c, nss/nss_dns/dns-network.c: Implementation
if libnss_dns.so module for DNS name lookup in NSS service.
* inet/getproto.c, inet/getprtent.c, inet/getprtname.c,
inet/getservent.c, inet/getsrvbynm.c, inet/getsrvbypt.c:
Changed to serve as interface to NSS.
* inet/gethstbyad.c, inet/gethstbyad_r.c, inet/gethstbynm.c,
inet/gethstbynm2.c, inet/gethstbynm2_r.c, inet/gethstbynm_r.c,
inet/gethstent.c, inet/gethstent_r.c, inet/getnetbynm.c,
inet/getnetbynm_r.c, inet/getnetbypt.c, inet/getnetbypt_r.c,
inet/getnetent.c, inet/getnetent_r.c, inet/getproto_r.c,
inet/getprtent_r.c, inet/getprtname_r.c, inet/getservent_r.c,
inet/getsrvbynm_r.c, inet/getsrvbypt_r.c: New files. Implement
interfaces to NSS, including reentrant functions.
* resolv/getnetbyaddr.c, resolv/getnetbyname.c, resolv/getnetent.c,
resolv/sethostent.c: Removed: Obsoleted by NSS.
* resolv/mapv4v6addr.h, resolv/mapv4v6hostent.h: Extracted from
gethnamaddr.c. These private functions are now used in more
than one file.
* resolv/inet_pton.c, resolv/gethnamaddr.c: Updated to bind-4.9.4-T5B.
Sat Jun 22 16:49:47 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* rpm/Makefile ($(config)): Make sure the word list in the for
loop is syntactically non-empty.
Diffstat (limited to 'nss/getXXbyYY_r.c')
-rw-r--r-- | nss/getXXbyYY_r.c | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/nss/getXXbyYY_r.c b/nss/getXXbyYY_r.c new file mode 100644 index 0000000000..42092361be --- /dev/null +++ b/nss/getXXbyYY_r.c @@ -0,0 +1,129 @@ +/* Copyright (C) 1996 Free Software Foundation, Inc. +This file is part of the GNU C Library. +Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + +#include "nsswitch.h" + +/*******************************************************************\ +|* Here we assume several symbols to be defined: *| +|* *| +|* LOOKUP_TYPE - the return type of the function *| +|* *| +|* FUNCTION_NAME - name of the non-reentrant function *| +|* *| +|* DATABASE_NAME - name of the database the function accesses *| +|* (e.g., host, services, ...) *| +|* *| +|* ADD_PARAMS - additional parameter, can vary in number *| +|* *| +|* ADD_VARIABLES - names of additional parameter *| +|* *| +|* Optionally the following vars can be defined: *| +|* *| +|* NEED_H_ERRNO - an extra parameter will be passed to point to *| +|* the global `h_errno' variable. *| +|* *| +|* NEED__RES - the global _res variable might be used so we *| +|* will have to initialize it if necessary *| +|* *| +\*******************************************************************/ + +/* To make the real sources a bit prettier. */ +#define REENTRANT_NAME APPEND_R (FUNCTION_NAME) +#define APPEND_R(name) APPEND_R1 (name) +#define APPEND_R1(name) name##_r + +#define FUNCTION_NAME_STRING STRINGIZE (FUNCTION_NAME) +#define REENTRANT_NAME_STRING STRINGIZE (REENTRANT_NAME) +#define DATABASE_NAME_STRING STRINGIZE (DATABASE_NAME) +#define STRINGIZE(name) STRINGIZE1 (name) +#define STRINGIZE1(name) #name + +#define DB_LOOKUP_FCT CONCAT3_1 (__nss_, DATABASE_NAME, _lookup) +#define CONCAT3_1(Pre, Name, Post) CONCAT3_2 (Pre, Name, Post) +#define CONCAT3_2(Pre, Name, Post) Pre##Name##Post + +/* Sometimes we need to store error codes in the `h_errno' variable. */ +#ifdef NEED_H_ERRNO +# define H_ERRNO_PARM , int *h_errnop +# define H_ERRNO_VAR , h_errnop +#else +# define H_ERRNO_PARM +# define H_ERRNO_VAR +#endif + + +/* Type of the lookup function we need here. */ +typedef int (*lookup_function) (ADD_PARAMS, LOOKUP_TYPE *, char *, int + H_ERRNO_PARM); + +/* Some usages of this file might use this variable. */ +extern struct __res_state _res; + +/* The lookup function for the first entry of this service. */ +extern int DB_LOOKUP_FCT (service_user **nip, const char *name, void **fctp); + + + +LOOKUP_TYPE * +REENTRANT_NAME (ADD_PARAMS, LOOKUP_TYPE *result, char *buffer, int buflen + H_ERRNO_PARM) +{ + static service_user *startp = NULL; + static lookup_function start_fct; + service_user *nip; + lookup_function fct; + int no_more; + enum nss_status status = NSS_STATUS_UNAVAIL; + + if (startp == NULL) + { + no_more = DB_LOOKUP_FCT (&nip, REENTRANT_NAME_STRING, (void **) &fct); + if (no_more) + startp = (service_user *) -1; + else + { + startp = nip; + start_fct = fct; + +#ifdef NEED__RES + /* The resolver code will really be used so we have to + initialize it. */ + if ((_res.options & RES_INIT) == 0 && res_init () == -1) + { + h_errno = NETDB_INTERNAL; + return NULL; + } +#endif /* need _res */ + } + } + else + { + fct = start_fct; + no_more = (nip = startp) == (service_user *) -1; + } + + while (no_more == 0) + { + status = (*fct) (ADD_VARIABLES, result, buffer, buflen H_ERRNO_VAR); + + no_more = __nss_next (&nip, REENTRANT_NAME_STRING, &fct, status, 0); + } + + return status == NSS_STATUS_SUCCESS ? result : NULL; +} |