diff options
author | Ulrich Drepper <drepper@redhat.com> | 1997-05-21 01:48:59 +0000 |
---|---|---|
committer | Ulrich Drepper <drepper@redhat.com> | 1997-05-21 01:48:59 +0000 |
commit | 1f205a479b43e5e40672fe5b4ae8f717b28c41b1 (patch) | |
tree | 0611b2d3503d81c55b27b235119ae999f1271178 /string/strverscmp.c | |
parent | 43b0e40f85770cd1f362c3abbad41e09bd9f0b17 (diff) | |
download | glibc-1f205a479b43e5e40672fe5b4ae8f717b28c41b1.tar glibc-1f205a479b43e5e40672fe5b4ae8f717b28c41b1.tar.gz glibc-1f205a479b43e5e40672fe5b4ae8f717b28c41b1.tar.bz2 glibc-1f205a479b43e5e40672fe5b4ae8f717b28c41b1.zip |
Update.cvs/libc-ud-970520
1997-05-21 02:49 Ulrich Drepper <drepper@cygnus.com>
* gnu-versions.h (_GNU_OBSTACK_INTERFACE_VERSION): Set to 2 since
interface was changed with addition of _obstack_memory_used.
Suggested by Ian Taylor <ian@cygnus.com>.
* malloc/obstack.c: Include <config.h>. Include <stdlib.h> only
if __GNU_LIBRARY__ or HAVE_STDLIB_H is defined.
Reported by Ian Taylor <ian@cygnus.com>.
* dirent/Makefile (routines): Add versionsort.
* dirent/dirent.h: Add prototype for versionsort.
* dirent/versionsort.c: New file.
* manual/filesys.texi: Add documentation for versionsort.
* manual/string.texi: Add documentation for strverscmp.
* string/Makefile (routines): Add strverscmp.
(tests): Add tst-svc.
* string/string.h: Add prototype for strverscmp.
* string/strverscmp.c: New file.
* string/tst-svc.c: New file. Test for strverscmp.
* string/tst-svc.input: New file. Input data for tst-svc.
* string/tst-svc.expect: New file. Expected out from tst-svc.
* math/Makefile (calls): Add s_signbit.
* po/sv.po: Update.
* resolv/nss_dns/dns-host.c: Add casts to prevent warnings.
* sunrpc/pmap_rmt.c: Likewise.
* string/basename.c: Don't use ISO C definition style.
Include <config.h> is HAVE_CONFIG_H is defined.
* sunrpc/proto.h: Add `const' wherever possible.
* sunrpc/rpc_cout.c: Likewise.
* sunrpc/rpc_svcout.c: Likewise.
* sunrpc/xdr_mem.c: Likewise.
* sunrpc/xdr_rec.c: Likewise.
* sunrpc/xdr_stdio.c: Likewise.
* sunrpc/rpc_parse.c: Delete comma from end of enum definition.
* sunrpc/xdr.c: Little code cleanups.
* sunrpc/xdr_flaot.c: Likewise.
Patches by Matthew Wilcox <matthew.wilcox@chbs.mhs.ciba.com>.
* sysdeps/i386/fpu/__math.h (__finite): Fix typo.
* sysdeps/unix/sysv/linux/shmdt.c: Add cast to prevent warning.
* time/europe: Update from tzdata1997f.
* time/zic.c: Update from tzcode1997e.
1997-05-20 19:20 Miguel de Icaza <miguel@athena.nuclecu.unam.mx>
* sysdeps/sparc/setjmp.S: Flush windows.
Bug found by Richard Henderson.
1997-05-19 12:54 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* misc/efgcvt_r.c (fcvt_r, ecvt_r): Rewritten as to fit the specs.
1997-05-19 18:41 Thorsten Kukuk <kukuk@uni-paderborn.de>
* nis/nss_nisplus/nisplus-spwd.c (_nss_nisplus_parse_spent): Use
atol instead of atoi.
1997-05-18 00:22 Philip Blundell <pjb27@cam.ac.uk>
* inet/Makefile (routines): Add if_index.
* sysdeps/unix/sysv/linux/if_index.c: New file.
* sysdeps/stub/if_index.c: New file.
* sysdeps/unix/sysv/linux/net/if.h: Add prototypes for routines in
if_index.c (required by IPv6 basic API).
* sysdeps/unix/sysv/linux/netinet/in.h: Add struct ipv6_pktinfo.
1997-05-17 23:29 Philip Blundell <pjb27@cam.ac.uk>
* sysdeps/unix/sysv/linux/netinet/in.h: Update IPv6 definitions
for new advanced API draft.
1997-05-13 21:33 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* stdio-common/printf_fp.c: Only use the field width for deciding
on padding when printing special values.
* stdio-common/printf_fphex.c: Likewise.
1997-05-15 13:14 Miles Bader <miles@gnu.ai.mit.edu>
Changes by Thomas Bushnell <thomas@gnu.ai.mit.edu>:
* hurd/hurdauth.c (_S_msg_add_auth): Implement correctly.
1997-05-12 14:50 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu>
* hurd/hurdsig.c (_hurdsig_init): Double size of sigthread stack;
msg_add_auth was overflowing it.
1997-05-12 21:20 Richard Henderson <rth@tamu.edu>
* elf/dl-lookup.c (_dl_lookup_symbol_skip): Call _dl_signal_error
when we can't find the symbol.
1997-05-12 16:54 Ulrich Drepper <drepper@cygnus.com>
* posix/regex.c: Fix handling of 32-bit Windog environments.
Patch by Arnold Robbins <arnold@skeeve.atl.ga.us>.
1997-05-10 23:26 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/unix/sysv/linux/m68k/syscalls.list: Add cacheflush.
1997-05-10 11:40 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* elf/ldd.bash.in: Remove spurious quote character from version
message.
1997-05-10 08:49 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* locale/programs/locale.c (write_charmaps): Don't get stuck in a
loop if the file ends in a long line without newline.
* locale/programs/charmap.c (charmap_read): Likewise.
1997-05-12 03:47 Ulrich Drepper <drepper@cygnus.com>
* sunrpc/rpc/xdr.h: Include more headers to be self-contained.
* sunrpc/rpc/svc_auth.h: Likewise.
* sunrpc/rpc/svc.h: Likewise.
* sunrpc/rpc/rpc_msg.h: Likewise.
* sunrpc/rpc/pmap_rmt.h: Likewise.
* sunrpc/rpc/pmap_clnt.h: Likewise.
* sunrpc/rpc/clnt.h: Likewise.
* sunrpc/rpc/auth_unix.h: Likewise.
* sysdeps/generic/rpc/auth.h: Likewise.
Patches by Michael Deutschmann <ldeutsch@mail.netshop.net>.
1997-05-11 15:29 Philip Blundell <pjb27@cam.ac.uk>
* sysdeps/stub/sigaction.c (__sigaction): Correct typo.
* sysdeps/standalone/arm/errnos.h: New file.
* sysdeps/stub/sys/param.h: Add dummy definition of MAXSYMLINKS.
* sysdeps/unix/arm/fork.S: New file.
* sysdeps/unix/sysv/linux/arm/sysdep.h: New file.
* sysdeps/stub/tempname.c (__stdio_gen_tempname): Add missing
`streamptr' argument.
* sysdeps/stub/vdprintf.c: Remove second copy of file (!), include
<stdarg.h> to get va_list defined, return 0 not NULL.
* sysdeps/unix/sysv/linux/statfsbuf.h: Include <gnu/types.h>.
* sysdeps/unix/sysv/linux/arm/syscall.S: New file.
* sysdeps/stub/direntry.h (struct dirent): Add missing ';'.
* sysdeps/stub/seekdir.c (seekdir): Likewise.
* sysdeps/stub/dirfd.c (dirfd): Argument dirp is DIR*, not FILE*.
* sysdeps/standalone/dirstream.h: Define struct __dirstream
not DIR; <dirent.h> provides typedef.
* sysdeps/unix/sysv/linux/arm/clone.S: New file.
* sysdeps/unix/sysv/linux/arm/socket.S: New file.
* sysdeps/stub/sysconf.c (__sysconf): Fix typos.
1997-05-01 06:35 Geoff Keating <geoffk@ozemail.com.au>
* sysdeps/powerpc/Dist: New file.
* sysdeps/powerpc/Makefile: New file.
* sysdeps/powerpc/fclrexcpt.c: New file.
* sysdeps/powerpc/fegetenv.c: New file.
* sysdeps/powerpc/fegetround.c: New file.
* sysdeps/powerpc/feholdexcpt.c: New file.
* sysdeps/powerpc/fenvbits.h: New file.
* sysdeps/powerpc/fenv_const.c: New file.
* sysdeps/powerpc/fenv_libc.h: New file.
* sysdeps/powerpc/fesetenv.c: New file.
* sysdeps/powerpc/fesetround.c: New file.
* sysdeps/powerpc/feupdateenv.c: New file.
* sysdeps/powerpc/fgetexcptflg.c: New file.
* sysdeps/powerpc/fraiseexcpt.c: New file.
* sysdeps/powerpc/fsetexcptflg.c: New file.
* sysdeps/powerpc/ftestexcept.c: New file.
* sysdeps/powerpc/mathbits.h: New file.
* sysdeps/powerpc/dl-machine.h: Wrap in #ifndef dl_machine_h;
define elf_machine_lookup_noexec_p, elf_machine_lookup_noplt_p,
ELF_MACHINE_RELOC_NOPLT; consequent changes to elf_machine_rela.
* sysdeps/powerpc/__math.h: Remove definition for hypot and __sgn.
* sysdep/powerpc/fpu_control.h: Correct IEEE default mode.
* sysdeps/unix/sysv/linux/powerpc/sysdep.h: Don't use .text, but
instead .section ".text".
1997-04-25 05:06 Geoff Keating <geoffk@ozemail.com.au>
* sysdeps/powerpc/__longjmp.S: Use symbolic register numbering.
* sysdeps/powerpc/bsd-_setjmp.S: Likewise.
* sysdeps/powerpc/bsd-setjmp.S: Likewise.
* sysdeps/powerpc/setjmp.S: Likewise.
* sysdeps/unix/sysv/linux/clone.S: Likewise.
* sysdeps/unix/sysv/linux/socket.S: Likewise.
* sysdeps/unix/sysv/linux/syscall.S: Likewise.
1997-04-20 04:37 Geoff Keating <geoffk@ozemail.com.au>
* sysdeps/powerpc/strchr.s: New file.
* sysdeps/powerpc/strcmp.s: New (ugly) file.
* sysdeps/powerpc/memset.s: New file.
* string/tester.c: Include prototype and _GNU_SOURCE to make
standalone compilation possible. Give strcmp a better
test. Give memset a better test.
1997-04-05 06:34 Geoff Keating <geoffk@ozemail.com.au>
* sysdeps/powerpc/strlen.s: Fixed bugs (how did it ever pass its
tests before?). Changed to symbolic register numbering as an
experiment.
* sysdeps/powerpc/ffs.c: Don't include bstring.h, it doesn't
exist.
* sysdeps/rs6000/ffs.c: Likewise.
1997-05-12 02:28 Ulrich Drepper <drepper@cygnus.com>
* time/sys/time.h: Make second argument of setitimer const.
Patch by Michael Deutschmann <ldeutsch@mail.netshop.net>.
* sysdeps/stub/setitimer.c: Likewise.
* sysdeps/mach/hurd/setitimer.c: Likewise.
Diffstat (limited to 'string/strverscmp.c')
-rw-r--r-- | string/strverscmp.c | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/string/strverscmp.c b/string/strverscmp.c new file mode 100644 index 0000000000..388df75dfd --- /dev/null +++ b/string/strverscmp.c @@ -0,0 +1,111 @@ +/* Compare strings while treating digits characters numerically. + Copyright (C) 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jean-François Bignolles <bignolle@ecoledoc.ibp.fr>, 1997. + + 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 <string.h> +#include <ctype.h> + +/* states: S_N: normal, S_I: comparing integral part, S_F: comparing + Fractionnal parts, S_Z: idem but with leading Zeroes only */ +#define S_N 0x0 +#define S_I 0x4 +#define S_F 0x8 +#define S_Z 0xC + +/* result_type: CMP: return diff; LEN: compare using len_diff/diff */ +#define CMP 2 +#define LEN 3 + + +/* Compare S1 and S2 as strings holding indices/version numbers, + returning less than, equal to or greater than zero if S1 is less than, + equal to or greater than S2 (for more info, see the texinfo doc). +*/ + +int +strverscmp (s1, s2) + const char *s1; + const char *s2; +{ + const unsigned char *p1 = (const unsigned char *) s1; + const unsigned char *p2 = (const unsigned char *) s2; + unsigned char c1, c2; + int state; + int diff; + + /* Symbol(s) 0 [1-9] others (padding) + Transition (10) 0 (01) d (00) x (11) - */ + static const unsigned int next_state[] = + { + /* state x d 0 - */ + /* S_N */ S_N, S_I, S_Z, S_N, + /* S_I */ S_N, S_I, S_I, S_I, + /* S_F */ S_N, S_F, S_F, S_F, + /* S_Z */ S_N, S_F, S_Z, S_Z + }; + + static const int result_type[] = + { + /* state x/x x/d x/0 x/- d/x d/d d/0 d/- + 0/x 0/d 0/0 0/- -/x -/d -/0 -/- */ + + /* S_N */ CMP, CMP, CMP, CMP, CMP, LEN, CMP, CMP, + CMP, CMP, CMP, CMP, CMP, CMP, CMP, CMP, + /* S_I */ CMP, -1, -1, CMP, +1, LEN, LEN, CMP, + +1, LEN, LEN, CMP, CMP, CMP, CMP, CMP, + /* S_F */ CMP, CMP, CMP, CMP, CMP, LEN, CMP, CMP, + CMP, CMP, CMP, CMP, CMP, CMP, CMP, CMP, + /* S_Z */ CMP, +1, +1, CMP, -1, CMP, CMP, CMP, + -1, CMP, CMP, CMP + }; + + if (p1 == p2) + return 0; + + c1 = *p1++; + c2 = *p2++; + /* Hint: '0' is a digit too. */ + state = S_N | (c1 == '0') + (isdigit (c1) != 0); + + while ((diff = c1 - c2) == 0 && c1 != '\0') + { + state = next_state[state]; + c1 = *p1++; + c2 = *p2++; + state |= (c1 == '0') + (isdigit (c1) != 0); + } + + state = result_type[state << 2 | ((c2 == '0') + (isdigit (c2) != 0))]; + + switch (state) + { + case CMP: + return diff; + + case LEN: + while (isdigit (*p1++)) + if (!isdigit (*p2++)) + return 1; + + return isdigit (*p2) ? -1 : diff; + + default: + return state; + } +} |