gcc/intl/hash-string.h
Zack Weinberg 6eb95e99e7 intl: New directory; see intl/ChangeLog for details.
top:
	* intl: New directory; see intl/ChangeLog for details.
	* ABOUT-NLS, config.rpath: Import from gettext 0.12.1.
	* Makefile.tpl: all-gcc depends on maybe-all-intl.
	* Makefile.in: Regenerate.
config:
	* gettext.m4: New file - copy of gettext.m4 from binutils
	CVS, with added AC_ISC_POSIX macro from gcc/aclocal.m4.
gcc:
	* ABOUT-NLS: Delete.
	* intl: Delete entire directory.
	* aclocal.m4: Include ../config/gettext.m4.  Delete
	AC_ISC_POSIX, AM_LANGINFO_CODESET, jm_GLIBC21, AM_LC_MESSAGES,
	AM_PATH_PROG_WITH_TEST, AM_WITH_NLS, and AM_GNU_GETTEXT.
	* configure.in: Use CY_GNU_GETTEXT, not AM_GNU_GETTEXT.
	Remove intl/Makefile from all_outputs.
	* configure, config.in: Regenerate.
	* Makefile.in: Expunge all references to intl subdirectory.
	Add -I../intl to INCLUDES.
	* intl.h: Include libintl.h if and only if ENABLE_NLS is defined.
intl:
	* Makefile.in: Remove unnecessary capabilities for
	installation, build of shared libraries, generation of
	distribution tarballs, etc.  Fix all the places that rely on
	the parent directory.  Don't generate libgnuintl.h from
	anything; do generate $(objdir)/libintl.h from libgnuintl.h if
	necessary.  Adjust DEFS for use of config.h.
	* libgnuintl.h.in: Rename libgnuintl.h.
	* README: New file.
	* config.charset, ref-add.sin, ref-del.sin: Delete (unused).
	* COPYING.LIB-2.0, COPYING.LIB-2.1: Delete (redundant).
	* aclocal.m4: New; generated per instructions in gettext manual.
	* configure.in: New; written from scratch for this configuration.
	* configure, config.h.in: Generated.
contrib:
	* gcc_update: Remove gcc/intl/plural.c from list.
	Add new generated files intl/plural.c, intl/configure,
	intl/config.h.in.

From-SVN: r68928
2003-07-04 18:18:54 +00:00

60 lines
1.9 KiB
C

/* Description of GNU message catalog format: string hashing function.
Copyright (C) 1995, 1997, 1998, 2000, 2001 Free Software Foundation, Inc.
This program 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, or (at your option)
any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
USA. */
/* @@ end of prolog @@ */
#ifndef PARAMS
# if __STDC__ || defined __GNUC__ || defined __SUNPRO_C || defined __cplusplus || __PROTOTYPES
# define PARAMS(Args) Args
# else
# define PARAMS(Args) ()
# endif
#endif
/* We assume to have `unsigned long int' value with at least 32 bits. */
#define HASHWORDBITS 32
/* Defines the so called `hashpjw' function by P.J. Weinberger
[see Aho/Sethi/Ullman, COMPILERS: Principles, Techniques and Tools,
1986, 1987 Bell Telephone Laboratories, Inc.] */
static unsigned long int hash_string PARAMS ((const char *__str_param));
static inline unsigned long int
hash_string (str_param)
const char *str_param;
{
unsigned long int hval, g;
const char *str = str_param;
/* Compute the hash value for the given string. */
hval = 0;
while (*str != '\0')
{
hval <<= 4;
hval += (unsigned long int) *str++;
g = hval & ((unsigned long int) 0xf << (HASHWORDBITS - 4));
if (g != 0)
{
hval ^= g >> (HASHWORDBITS - 8);
hval ^= g;
}
}
return hval;
}