From f4017d205738b913f1002433cde5d4b4e93fbd81 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Wed, 26 Nov 1997 04:23:08 +0000 Subject: Update. 1997-11-26 04:28 Ulrich Drepper * eld/dl-profile.c (_dl_start_profile): Avoid FP calculation when computing s_scale. Patch by a sun . * iconv/gconv_close.c: Correct freeing of descriptor data. * iconv/gconv_simple.c: Return correct error values for illegal or incomplete characters. * Makefile (iconvdata/%): Special goal to simplify iconvdata development. * iconvdata/Makefile: New file. * iconvdata/configure: Likewise. * iconvdata/extra-module.mk: Likewise. * iconvdata/gconv-modules: Likewise. * iconvdata/iso6937.c: Likewise. * iconvdata/iso8859-1.c: Likewise. * iconvdata/iso8859-10.c: Likewise. * iconvdata/iso8859-10.h: Likewise. * iconvdata/iso8859-2.c: Likewise. * iconvdata/iso8859-2.h: Likewise. * iconvdata/iso8859-3.c: Likewise. * iconvdata/iso8859-3.h: Likewise. * iconvdata/iso8859-4.c: Likewise. * iconvdata/iso8859-4.h: Likewise. * iconvdata/iso8859-5.c: Likewise. * iconvdata/iso8859-5.h: Likewise. * iconvdata/iso8859-6.c: Likewise. * iconvdata/iso8859-6.h: Likewise. * iconvdata/iso8859-7.c: Likewise. * iconvdata/iso8859-7.h: Likewise. * iconvdata/iso8859-8.c: Likewise. * iconvdata/iso8859-8.h: Likewise. * iconvdata/iso8859-9.c: Likewise. * iconvdata/iso8859-9.h: Likewise. * iconvdata/iso8859-generic.c: Likewise. * iconvdata/t61.c: Likewise. * string/Makefile (routines): Add strcasestr. * string/string.h: Add prototype for strcasestr. * sysdeps/generic/strcasestr.c: New file. * wcsmbs/mbrtowc.c: Simplify special case a bit. * wcsmbs/wcrtomb.c: Likewise. * wcsmbs/mbsnrtowcs.c: Correctly handle incomplete characters. * wcsmbs/wcsnrtombs.c: Likewise. * wcsmbs/mbsrtowcs.c: Make sure SRC argument is correct when partial character is read. * wcsmbs/wcsrtombs.c: Likewise. * wcsmbs/wmemrtombs.c: Likewise. * wcsmbs/wmemrtowcs.c: Likewise. * io/ftw.h: Include instead of . * login/pty.h: Include instead og . * sysdeps/i386/__longjmp.S: Define _SETJMP_H. * sysdeps/i386/elf/setjmp.S: Likewise. * sysdeps/unix/sysv/linux/kernel_termios.h: Do include . * sysdeps/posix/mk-stdiolim.c: Output file with comment. * sysdeps/unix/sysv/linux/stdio_lim.h.in: Add comment. * sysdeps/unix/sysv/linux/sys/mman.h: Pretty print. * sysvipc/sys/ipc.h: Likewise. * sysvipc/sys/msg.h: Likewise. * sysvipc/sys/sem.h: Likewise. * sysvipc/sys/shm.h: Likewise. * sysdeps/alpha/bits/endian.h: Issue error message if the header is used directly. * sysdeps/alpha/bits/setjmp.h: Likewise. * sysdeps/alpha/fpu/bits/fenv.h: Likewise. * sysdeps/arm/bits/endian.h: Likewise. * sysdeps/arm/bits/setjmp.h: Likewise. * sysdeps/generic/bits/byteswap.h: Likewise. * sysdeps/generic/bits/confname.h: Likewise. * sysdeps/generic/bits/dirent.h: Likewise. * sysdeps/generic/bits/dlfcn.h: Likewise. * sysdeps/generic/bits/endian.h: Likewise. * sysdeps/generic/bits/fenv.h: Likewise. * sysdeps/generic/bits/huge_val.h: Likewise. * sysdeps/generic/bits/in.h: Likewise. * sysdeps/generic/bits/ioctl-types.h: Likewise. * sysdeps/generic/bits/ioctls.h: Likewise. * sysdeps/generic/bits/ipc.h: Likewise. * sysdeps/generic/bits/msq.h: Likewise. * sysdeps/generic/bits/poll.h: Likewise. * sysdeps/generic/bits/resource.h: Likewise. * sysdeps/generic/bits/sched.h: Likewise. * sysdeps/generic/bits/sem.h: Likewise. * sysdeps/generic/bits/setjmp.h: Likewise. * sysdeps/generic/bits/shm.h: Likewise. * sysdeps/generic/bits/sigaction.h: Likewise. * sysdeps/generic/bits/sigcontext.h: Likewise. * sysdeps/generic/bits/socket.h: Likewise. * sysdeps/generic/bits/stat.h: Likewise. * sysdeps/generic/bits/statfs.h: Likewise. * sysdeps/generic/bits/stdio_lim.h: Likewise. * sysdeps/generic/bits/termios.h: Likewise. * sysdeps/generic/bits/time.h: Likewise. * sysdeps/generic/bits/uio.h: Likewise. * sysdeps/generic/bits/utmp.h: Likewise. * sysdeps/generic/bits/utmpx.h: Likewise. * sysdeps/generic/bits/utsname.h: Likewise. * sysdeps/generic/bits/waitflags.h: Likewise. * sysdeps/generic/bits/waitstatus.h: Likewise. * sysdeps/gnu/bits/utmp.h: Likewise. * sysdeps/gnu/bits/utmpx.h: Likewise. * sysdeps/i386/bits/byteswap.h: Likewise. * sysdeps/i386/bits/endian.h: Likewise. * sysdeps/i386/bits/huge_val.h: Likewise. * sysdeps/i386/bits/setjmp.h: Likewise. * sysdeps/i386/fpu/bits/fenv.h: Likewise. * sysdeps/ieee754/bits/huge_val.h: Likewise. * sysdeps/m68k/bits/byteswap.h: Likewise. * sysdeps/m68k/bits/endian.h: Likewise. * sysdeps/m68k/bits/setjmp.h: Likewise. * sysdeps/m68k/fpu/bits/fenv.h: Likewise. * sysdeps/mach/hurd/alpha/bits/sigcontext.h: Likewise. * sysdeps/mach/hurd/bits/ioctls.h: Likewise. * sysdeps/mach/hurd/bits/stat.h: Likewise. * sysdeps/mach/hurd/hppa/bits/sigcontext.h: Likewise. * sysdeps/mach/hurd/i386/bits/sigcontext.h: Likewise. * sysdeps/mach/hurd/mips/bits/sigcontext.h: Likewise. * sysdeps/mips/bits/dlfcn.h: Likewise. * sysdeps/mips/bits/endian.h: Likewise. * sysdeps/mips/bits/setjmp.h: Likewise. * sysdeps/mips/dec/bits/endian.h: Likewise. * sysdeps/mips/mips64/bits/setjmp.h: Likewise. * sysdeps/mips/mipsel/bits/endian.h: Likewise. * sysdeps/mips/p40/bits/endian.h: Likewise. * sysdeps/powerpc/bits/endian.h: Likewise. * sysdeps/powerpc/bits/fenv.h: Likewise. * sysdeps/powerpc/bits/setjmp.h: Likewise. * sysdeps/sparc/sparc32/bits/endian.h: Likewise. * sysdeps/sparc/sparc32/bits/setjmp.h: Likewise. * sysdeps/sparc/sparc32/fpu/bits/fenv.h: Likewise. * sysdeps/sparc/sparc64/bits/endian.h: Likewise. * sysdeps/sparc/sparc64/fpu/bits/fenv.h: Likewise. * sysdeps/unix/bsd/bits/dirent.h: Likewise. * sysdeps/unix/bsd/bits/stat.h: Likewise. * sysdeps/unix/bsd/bits/waitflags.h: Likewise. * sysdeps/unix/bsd/bsd4.4/bits/dirent.h: Likewise. * sysdeps/unix/bsd/osf/alpha/bits/stat.h: Likewise. * sysdeps/unix/bsd/osf/bits/sigaction.h: Likewise. * sysdeps/unix/bsd/sun/m68k/bits/sigcontext.h: Likewise. * sysdeps/unix/bsd/sun/sparc/bits/sigcontext.h: Likewise. * sysdeps/unix/bsd/sun/sunos4/bits/resource.h: Likewise. * sysdeps/unix/bsd/sun/sunos4/bits/termios.h: Likewise. * sysdeps/unix/bsd/sun/sunos4/bits/utsname.h: Likewise. * sysdeps/unix/bsd/ultrix4/bits/utsname.h: Likewise. * sysdeps/unix/bsd/ultrix4/mips/bits/sigcontext.h: Likewise. * sysdeps/unix/common/bits/dirent.h: Likewise. * sysdeps/unix/sysv/bits/dirent.h: Likewise. * sysdeps/unix/sysv/bits/stat.h: Likewise. * sysdeps/unix/sysv/bits/utmp.h: Likewise. * sysdeps/unix/sysv/bits/utsname.h: Likewise. * sysdeps/unix/sysv/irix4/bits/confname.h: Likewise. * sysdeps/unix/sysv/irix4/bits/stat.h: Likewise. * sysdeps/unix/sysv/linux/alpha/bits/ioctls.h: Likewise. * sysdeps/unix/sysv/linux/alpha/bits/ipc.h: Likewise. * sysdeps/unix/sysv/linux/alpha/bits/mman.h: Likewise. * sysdeps/unix/sysv/linux/alpha/bits/sigaction.h: Likewise. * sysdeps/unix/sysv/linux/alpha/bits/stat.h: Likewise. * sysdeps/unix/sysv/linux/alpha/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/alpha/bits/time.h: Likewise. * sysdeps/unix/sysv/linux/bits/dirent.h: Likewise. * sysdeps/unix/sysv/linux/bits/in.h: Likewise. * sysdeps/unix/sysv/linux/bits/ioctl-types.h: Likewise. * sysdeps/unix/sysv/linux/bits/ioctls.h: Likewise. * sysdeps/unix/sysv/linux/bits/ipc.h: Likewise. * sysdeps/unix/sysv/linux/bits/msq.h: Likewise. * sysdeps/unix/sysv/linux/bits/poll.h: Likewise. * sysdeps/unix/sysv/linux/bits/resource.h: Likewise. * sysdeps/unix/sysv/linux/bits/sched.h: Likewise. * sysdeps/unix/sysv/linux/bits/sem.h: Likewise. * sysdeps/unix/sysv/linux/bits/shm.h: Likewise. * sysdeps/unix/sysv/linux/bits/sigaction.h: Likewise. * sysdeps/unix/sysv/linux/bits/sigcontext.h: Likewise. * sysdeps/unix/sysv/linux/bits/socket.h: Likewise. * sysdeps/unix/sysv/linux/bits/stat.h: Likewise. * sysdeps/unix/sysv/linux/bits/statfs.h: Likewise. * sysdeps/unix/sysv/linux/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/bits/time.h: Likewise. * sysdeps/unix/sysv/linux/bits/uio.h: Likewise. * sysdeps/unix/sysv/linux/bits/utsname.h: Likewise. * sysdeps/unix/sysv/linux/bits/waitflags.h: Likewise. * sysdeps/unix/sysv/linux/i386/bits/mman.h: Likewise. * sysdeps/unix/sysv/linux/m68k/bits/mman.h: Likewise. * sysdeps/unix/sysv/linux/m68k/bits/poll.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/endian.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/ioctl-types.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/ipc.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/mman.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/poll.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/shm.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/sigaction.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/socket.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/stat.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/statfs.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/time.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/ioctl-types.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/mman.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/ioctls.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/poll.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/sigaction.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/bits/mman.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/bits/mman.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/bits/setjmp.h: Likewise. * sysdeps/unix/sysv/minix/bits/sigaction.h: Likewise. * sysdeps/unix/sysv/sco3.2.4/bits/confname.h: Likewise. * sysdeps/unix/sysv/sco3.2.4/bits/sigaction.h: Likewise. * sysdeps/unix/sysv/sysv4/bits/sigaction.h: Likewise. * sysdeps/unix/sysv/sysv4/bits/utsname.h: Likewise. * sysdeps/unix/sysv/sysv4/bits/waitflags.h: Likewise. * sysdeps/unix/sysv/sysv4/i386/bits/stat.h: Likewise. * sysdeps/unix/sysv/sysv4/solaris2/bits/stat.h: Likewise. * sysdeps/unix/sysv/sysv4/solaris2/sparc/bits/sigcontext.h: Likewise. * sysdeps/vax/bits/huge_val.h: Likewise. * sysdeps/vax/bits/setjmp.h: Likewise. * sysdeps/wordsize-32/bits/elfclass.h: Likewise. * sysdeps/wordsize-64/bits/elfclass.h: Likewise. 1997-11-25 Andreas Jaeger * libio/stdio.h: Correct comment of sys_nerr/sys_errlist 1997-11-25 Paul Eggert * strftime.c (strftime): No longer any need to undef or declare if emacs is defined. (my_strftime): When checking a -1 returned by mktime, don't blow up if localtime_r returns NULL. 1997-11-24 Andreas Schwab * README.template: Fix spelling. 1997-11-25 Andreas Jaeger * configure.in: Enhance --enable-add-ons description a wee bit. 1997-11-24 Andreas Jaeger * glibcbug.in: Add more information of build environment and flags. 1997-11-23 Andreas Schwab * sysdeps/posix/getcwd.c: Recognize EOF from readdir and translate it into ENOENT. --- sysdeps/generic/strcasestr.c | 129 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 129 insertions(+) create mode 100644 sysdeps/generic/strcasestr.c (limited to 'sysdeps/generic/strcasestr.c') diff --git a/sysdeps/generic/strcasestr.c b/sysdeps/generic/strcasestr.c new file mode 100644 index 0000000000..ec8727d268 --- /dev/null +++ b/sysdeps/generic/strcasestr.c @@ -0,0 +1,129 @@ +/* Return the offset of one string within another. + Copyright (C) 1994, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + 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. */ + +/* + * My personal strstr() implementation that beats most other algorithms. + * Until someone tells me otherwise, I assume that this is the + * fastest implementation of strstr() in C. + * I deliberately chose not to comment it. You should have at least + * as much fun trying to understand it, as I had to write it :-). + * + * Stephen R. van den Berg, berg@pool.informatik.rwth-aachen.de */ + +#if HAVE_CONFIG_H +# include +#endif + +#include + +#if defined _LIBC || defined HAVE_STRING_H +# include +#endif + +typedef unsigned chartype; + +#undef strstr + +char * +__strcasestr (phaystack, pneedle) + const char *phaystack; + const char *pneedle; +{ + register const unsigned char *haystack, *needle; + register chartype b, c; + + haystack = (const unsigned char *) phaystack; + needle = (const unsigned char *) pneedle; + + b = tolower (*needle); + if (b != '\0') + { + haystack--; /* possible ANSI violation */ + do + { + c = *++haystack; + if (c == '\0') + goto ret0; + } + while (tolower (c) != b); + + c = tolower (*++needle); + if (c == '\0') + goto foundneedle; + ++needle; + goto jin; + + for (;;) + { + register chartype a; + register const unsigned char *rhaystack, *rneedle; + + do + { + a = *++haystack; + if (a == '\0') + goto ret0; + if (tolower (a) == b) + break; + a = *++haystack; + if (a == '\0') + goto ret0; +shloop: } + while (tolower (a) != b); + +jin: a = *++haystack; + if (a == '\0') + goto ret0; + + if (tolower (a) != c) + goto shloop; + + rhaystack = haystack-- + 1; + rneedle = needle; + a = tolower (*rneedle); + + if (tolower (*rhaystack) == a) + do + { + if (a == '\0') + goto foundneedle; + ++rhaystack; + a = tolower (*++needle); + if (tolower (*rhaystack) != a) + break; + if (a == '\0') + goto foundneedle; + ++rhaystack; + a = tolower (*++needle); + } + while (tolower (*rhaystack) == a); + + needle = rneedle; /* took the register-poor approach */ + + if (a == '\0') + break; + } + } +foundneedle: + return (char*) haystack; +ret0: + return 0; +} + +weak_alias (__strcasestr, strcasestr) -- cgit v1.2.3