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c4563d2d66
1999-04-28 Ulrich Drepper <drepper@cygnus.com> * argp/argp-ba.c (argp_program_bug_address): Don't initialize with 0. * argp/argp-parse.c (_argp_hang): Likewise. * argp/argp-pv.c (argp_program_version): Likewise. * argp/argp-pvh.c (argp_program_version_hook): Likewise. * inet/ether_hton.c (ether_hton, startp): Likewise. * inet/ether_ntoh.c (ether_ntoh, startp): Likewise. * inet/getnetgrent_r.c (setup, startp): Likewise. * intl/loadmsgcat.c (_nl_msg_cat_cntr): Likewise. * intl/localealias.c (string_space, string_space_act, string_space_max, nmap, maxmap): Likewise. * libio/iopopen.c (proc_file_chain): Likewise. * libio/oldiopopen.c (old_proc_file_chain): Likewise. * locale/lc-collate.c (__collate_table, __collate_extra, __collate_element_hash, __collate_element_strings, __collate_element_values): Likewise. * malloc/mcheck.c (mcheck_used): Likewise. * malloc/mtrace.c (added_atexit_handler): Likewise. * malloc/set-freeres.c (already_called): Likewise. * misc/getpass.c (getpass) [buf, bufsize]: Likewise. * misc/syslog.c (LogStat, LogTag): Likewise. * nss/XXX-lookup.c (DATABASE_NAME_SYMBOL): Likewise. * nss/getXXbyYY_r.c (startp): Likewise. * posix/getopt.c (optarg, __getopt_initialized): Likewise. * posix/regex.c (init_syntax_once) [done]: Likewise. (debug): Likewise. * string/strfry.c (init): Likewise. * sunrpc/svc_run.c (svc_top): Likewise. * posix/euidaccess.c (have_ids): Likewise. * sysdeps/unix/sysv/linux/poll.c (must_emulate): Likewise. * sysdeps/unix/sysv/linux/ttyname.c (__ttyname, namelen): Likewise. * time/getdate.c (getdate_err): Likewise. * time/tzfile.c (transitions, type_idxs, types, zone_names, leaps): Likewise. * time/tzset.c (old_tz, is_initialized): Likewise. * inet/getnameinfo.c (nrl_domainname): Rewrite to allow initialization of static data with zero. * signal/allocrtsig.c (init): Likewise. * string/Makefile (routines): Add strchrnul. * string/Versions [GLIBC_2.1.1]: Add strchrnul. * string/string.c: Add strchrnul prototype. * include/string.h: Add __strchrnul prototype. * sysdeps/generic/strchrnul.c: New file. * sysdeps/i386/strchrnul.S: New file. * sysdeps/i386/bits/string.c: Add strchrnul optimization. * sysdeps/i386/i486/bits/string.c: Likewise. * argp/argp-help.c (argp_args_usage): Use __strchrnul. * inet/ether_line.c (ether_line): Likewise. * nscd/nscd_conf.c (nscd_parse_file): Likewise. * nss/nsswitch.c (nss_parse_file): Likewise. * posix/execvp.c (execvp): Likewise. * posix/fnmatch.c (internal_fnmatch): Likewise. * resolv/res_hconf.c (_res_hconv_init): Likewise. * resolv/res_init.c (res_init): Likewise. * stdlib/fmtmsg.c (init): Likewise. * stdlib/getsubopt.c (getsubopt): Likewise. * catgets/catgets.c (catopen): Only allocate one memory block. (catclose): Only one free call necessary. * catgets/open_catalog.c (__open_catalog): Simplify handling of file descriptor. * ctype/ctype-extn.c: Make __toascii_l and __isascii_l alias instead of real functions. Simplify _tolower and _toupper. * grp/initgroups.c (compat_call): Remove unnecessary use of pointer variable. * iconv/gconv.h (struct gconv_info): Change data element from pointer to array of size 0. * iconv/gconv_open.c (__gconv_open): Allocate structures accordingly. * iconv/gconv_close.c (__gconv_close): Don't free data. * iconv/gconv_conf.c (add_alias): Avoid searching in tree twice to insert new alias. * iconv/gconv_db.c (add_derivation): More efficient copying. Check for error while inserting in tree. * include/time.h: Pretty print. * inet/ruserpass.c: Rewrite use of toktab to avoid string pointers in table and lots of relocations. * posix/regex.c (regerror): Rewrite use of re_error_msgid to avoid string pointers in table and lots of relocations. * intl/finddomain.c: Remove definition of strchr macro. * io/ftw.c (nftw_arr, ftw_arr): Make const. * locale/loadlocale.c (_nl_load_locale): Optimize string copying. * locale/localeinfo.h (_nl_category_names): Change into an array with fixed width char string elements. * locale/setlocale.c (_nl_category_names): Likewise. (_nl_current): Make global. * locale/nl_langinfo.c (nldata): Removed. Use _nl_current now. * malloc/Makefile (distribute): Add stackinfo.h. * sysdeps/generic/stackinfo.h: New file. * sysdeps/i386/stackinfo.h: New file. * posix/execl.c: Use stackinfo.h in optimizing alloca use. * posix/execle.c: Likewise. * posix/execlp.c: Likewise. * nis/nis_table.c (__create_ib_request): Always use realloc. * posix/execvp.c (execute): Rename to script_execute and keep only code to execute using shell. (execvp): Call execv directly and only fall back on script_execute. * resolv/inet_net_pton.c (inet_net_pton_ipv4): Remove digits define and always use xdigits instead. * resolv/res_init.c (res_init): Use rawmemchr instead of strchr where appropriate. * stdlib/fpioconst.h (__tens): New declaration. (struct mp_power): Remove array, add arrayoff element. * stdlib/fpioconst.c: Replace definitions of _ten_p* arrays by one __tens array and add in _fpioconst_pow10 offsets into __tens. * stdio-common/printf_fp.c: Rewrite to use new __tens array. * stdlib/strtod.c: Likewise. * stdlib/a64l.c (a64l_table): Avoid unnecessary elements. * stdlib/exit.c: Rewrite to use __exit_funcs being as sign for end of the list. * stdlib/atexit.c (__exit_funcs): Don't initialize. * stdlib/fmtmsg.c (keywords): Make name element fixed width array. * sunrpc/clnt_perr.c: Rewrite clnt_sperrno and auth_errmsg to use a single and an array with offsets. * sunrpc/des_soft.c (partab): Make it const. * sunrpc/key_call.c (trytimeout, tottimeout): Make const. (__key_encryptsession_pk_LOCAL): Don't initialize with 0. (__key_decryptsession_pk_LOCAL): Likewise. (__key_gendes_LOCAL): Likewise. (MESSENGER): Mark const. (key_call_private_main): Don't initialize with 0. (use_keyenvoy): Don't initialize with 0. (key_call): Rewrite to reverse logic of use_doors variable. * sunrpc/netname.c (OPSYS): Define as array, not pointer. (startp): Don't initialize with zero. * sunrpc/openchild.c (_openchild): Make first argument const. * sunrpc/pmap_rmt.c (timeout): Mark const. * sunrpc/xcrypt.c (hex): Likewise. * sysdeps/unix/sysv/linux/getcwd.c: Rewrite to allow omitting initialization of global variables. * sysdeps/unix/sysv/linux/getpt.c: Likewise. * sysdeps/unix/sysv/linux/if_index.c: Likewise. * termios/tcgetsid.c: Likewise. * sysdeps/unix/sysv/linux/i386/dl-procinfo.h (x86_cap_flags): Change fxsr to osfxsr. * time/tzfile.c (__tzfile_read): Rewrite to allocate only one memory block. Add function to free memory if wanted. * time/tzset.c (tzset_internal): Pass extra argument to __tzfile_read. * wcsmbs/wcsmbsload.c (to_wc, to_mb): Correct initializers. * wcsmbs/wmemset.c: Little code optimization.
205 lines
5.1 KiB
C
205 lines
5.1 KiB
C
/*
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* Copyright (c) 1996 by Internet Software Consortium.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
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* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
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* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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static const char rcsid[] = "$Id$";
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#endif
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <assert.h>
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#include <ctype.h>
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#ifdef SPRINTF_CHAR
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# define SPRINTF(x) strlen(sprintf/**/x)
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#else
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# define SPRINTF(x) ((size_t)sprintf x)
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#endif
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static int inet_net_pton_ipv4 __P((const char *src, u_char *dst,
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size_t size));
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/*
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* static int
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* inet_net_pton(af, src, dst, size)
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* convert network number from presentation to network format.
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* accepts hex octets, hex strings, decimal octets, and /CIDR.
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* "size" is in bytes and describes "dst".
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* return:
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* number of bits, either imputed classfully or specified with /CIDR,
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* or -1 if some failure occurred (check errno). ENOENT means it was
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* not a valid network specification.
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* author:
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* Paul Vixie (ISC), June 1996
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*/
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int
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inet_net_pton(af, src, dst, size)
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int af;
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const char *src;
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void *dst;
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size_t size;
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{
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switch (af) {
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case AF_INET:
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return (inet_net_pton_ipv4(src, dst, size));
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default:
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__set_errno (EAFNOSUPPORT);
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return (-1);
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}
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}
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/*
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* static int
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* inet_net_pton_ipv4(src, dst, size)
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* convert IPv4 network number from presentation to network format.
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* accepts hex octets, hex strings, decimal octets, and /CIDR.
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* "size" is in bytes and describes "dst".
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* return:
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* number of bits, either imputed classfully or specified with /CIDR,
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* or -1 if some failure occurred (check errno). ENOENT means it was
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* not an IPv4 network specification.
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* note:
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* network byte order assumed. this means 192.5.5.240/28 has
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* 0x11110000 in its fourth octet.
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* author:
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* Paul Vixie (ISC), June 1996
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*/
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static int
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inet_net_pton_ipv4(src, dst, size)
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const char *src;
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u_char *dst;
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size_t size;
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{
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static const char xdigits[] = "0123456789abcdef";
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int n, ch, tmp, dirty, bits;
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const u_char *odst = dst;
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ch = *src++;
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if (ch == '0' && (src[0] == 'x' || src[0] == 'X')
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&& isascii(src[1]) && isxdigit(src[1])) {
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/* Hexadecimal: Eat nybble string. */
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if (size <= 0)
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goto emsgsize;
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*dst = 0, dirty = 0;
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src++; /* skip x or X. */
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while ((ch = *src++) != '\0' &&
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isascii(ch) && isxdigit(ch)) {
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ch = _tolower(ch);
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n = strchr(xdigits, ch) - xdigits;
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assert(n >= 0 && n <= 15);
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*dst |= n;
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if (!dirty++)
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*dst <<= 4;
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else if (size-- > 0)
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*++dst = 0, dirty = 0;
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else
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goto emsgsize;
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}
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if (dirty)
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size--;
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} else if (isascii(ch) && isdigit(ch)) {
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/* Decimal: eat dotted digit string. */
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for (;;) {
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tmp = 0;
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do {
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n = strchr(xdigits, ch) - xdigits;
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assert(n >= 0 && n <= 9);
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tmp *= 10;
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tmp += n;
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if (tmp > 255)
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goto enoent;
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} while ((ch = *src++) != '\0' &&
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isascii(ch) && isdigit(ch));
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if (size-- <= 0)
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goto emsgsize;
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*dst++ = (u_char) tmp;
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if (ch == '\0' || ch == '/')
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break;
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if (ch != '.')
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goto enoent;
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ch = *src++;
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if (!isascii(ch) || !isdigit(ch))
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goto enoent;
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}
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} else
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goto enoent;
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bits = -1;
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if (ch == '/' && isascii(src[0]) && isdigit(src[0]) && dst > odst) {
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/* CIDR width specifier. Nothing can follow it. */
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ch = *src++; /* Skip over the /. */
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bits = 0;
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do {
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n = strchr(xdigits, ch) - xdigits;
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assert(n >= 0 && n <= 9);
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bits *= 10;
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bits += n;
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} while ((ch = *src++) != '\0' &&
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isascii(ch) && isdigit(ch));
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if (ch != '\0')
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goto enoent;
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if (bits > 32)
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goto emsgsize;
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}
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/* Firey death and destruction unless we prefetched EOS. */
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if (ch != '\0')
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goto enoent;
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/* If nothing was written to the destination, we found no address. */
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if (dst == odst)
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goto enoent;
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/* If no CIDR spec was given, infer width from net class. */
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if (bits == -1) {
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if (*odst >= 240) /* Class E */
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bits = 32;
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else if (*odst >= 224) /* Class D */
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bits = 4;
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else if (*odst >= 192) /* Class C */
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bits = 24;
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else if (*odst >= 128) /* Class B */
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bits = 16;
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else /* Class A */
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bits = 8;
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/* If imputed mask is narrower than specified octets, widen. */
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if (bits >= 8 && bits < ((dst - odst) * 8))
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bits = (dst - odst) * 8;
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}
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/* Extend network to cover the actual mask. */
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while (bits > ((dst - odst) * 8)) {
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if (size-- <= 0)
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goto emsgsize;
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*dst++ = '\0';
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}
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return (bits);
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enoent:
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__set_errno (ENOENT);
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return (-1);
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emsgsize:
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__set_errno (EMSGSIZE);
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return (-1);
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}
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