gcc/libiberty/strncasecmp.c
Gabriel Dos Reis 7a17ef5e63 ternary.h: Don't use PARAMS anymore.
include/
2005-03-27  Gabriel Dos Reis  <gdr@integreable-solutions.net>

        * ternary.h: Don't use PARAMS anymore.

libiberty/
2005-03-27  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        Convert libiberty to use ISO C prototype style 6/n.
        * strerror.c (init_error_tables, errno_max, strerror,
        strerrno,
        strtoerrno, main): Use ISO C prototype style.
        * strncasecmp.c (strncasecmp): Likewise.
        * strncmp.c (strncmp): Likewise.
        * strndup.c (strndup): Likewise.
        * strrchr.c (strrchr): Likewise.
        * strsignal.c (init_signal_tables, signo_max, strsignal,
        strsigno, strtosigno, psignal, main): Likewise.
        * strstr.c (strstr): Likewise.
        * strtod.c (strtod, atof): Likewise.
        * strtol.c (strtol): Likewise.
        * strtoul.c (strtoul): Likewise.
        * ternary.c (ternary_insert, ternary_cleanup, ternary_search,
        ternary_recursivesearch): Likewise.
        * tmpnam.c (tmpnam): Likewise.
        * unlink-if-ordinary.c (unlink_if_ordinary): Likewise.
        * vasprintf.c (int_vasprintf, vasprintf, checkit, main):
        Likewise.
        * vfork.c (vfork): Likewise.
        * vfprintf.c (vfprintf): Likewise.
        * vprintf.c (vprintf): Likewise.
        * vsnprintf.c (vsnprintf, checkit, main): Likewise.
        * vsprintf.c (vsprintf): Likewise.
        * waitpid.c (waitpid): Likewise.
        * xatexit.c (xatexit, xatexit_cleanup): Likewise.
        * xexit.c (xexit): Likewise.
        * xmalloc.c (xmalloc_set_program_name, xmalloc_failed,
        xmalloc,
        xcalloc, xrealloc): Likewise.
        * xmemdup.c (xmemdup): Likewise.
        * xstrdup.c (xstrdup): Likewise.
        * xstrerror.c (xstrerror): Likewise.
        * xstrndup.c (xstrndup): Likewise.

From-SVN: r97122
2005-03-28 01:28:01 +00:00

87 lines
3.4 KiB
C

/*
* Copyright (c) 1987 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that this notice is preserved and that due credit is given
* to the University of California at Berkeley. The name of the University
* may not be used to endorse or promote products derived from this
* software without specific written prior permission. This software
* is provided ``as is'' without express or implied warranty.
*/
/*
@deftypefn Supplemental int strncasecmp (const char *@var{s1}, const char *@var{s2})
A case-insensitive @code{strncmp}.
@end deftypefn
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)strcasecmp.c 5.5 (Berkeley) 11/24/87";
#endif /* LIBC_SCCS and not lint */
#include <ansidecl.h>
#include <stddef.h>
/*
* This array is designed for mapping upper and lower case letter
* together for a case independent comparison. The mappings are
* based upon ascii character sequences.
*/
static const unsigned char charmap[] = {
'\000', '\001', '\002', '\003', '\004', '\005', '\006', '\007',
'\010', '\011', '\012', '\013', '\014', '\015', '\016', '\017',
'\020', '\021', '\022', '\023', '\024', '\025', '\026', '\027',
'\030', '\031', '\032', '\033', '\034', '\035', '\036', '\037',
'\040', '\041', '\042', '\043', '\044', '\045', '\046', '\047',
'\050', '\051', '\052', '\053', '\054', '\055', '\056', '\057',
'\060', '\061', '\062', '\063', '\064', '\065', '\066', '\067',
'\070', '\071', '\072', '\073', '\074', '\075', '\076', '\077',
'\100', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
'\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157',
'\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167',
'\170', '\171', '\172', '\133', '\134', '\135', '\136', '\137',
'\140', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
'\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157',
'\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167',
'\170', '\171', '\172', '\173', '\174', '\175', '\176', '\177',
'\200', '\201', '\202', '\203', '\204', '\205', '\206', '\207',
'\210', '\211', '\212', '\213', '\214', '\215', '\216', '\217',
'\220', '\221', '\222', '\223', '\224', '\225', '\226', '\227',
'\230', '\231', '\232', '\233', '\234', '\235', '\236', '\237',
'\240', '\241', '\242', '\243', '\244', '\245', '\246', '\247',
'\250', '\251', '\252', '\253', '\254', '\255', '\256', '\257',
'\260', '\261', '\262', '\263', '\264', '\265', '\266', '\267',
'\270', '\271', '\272', '\273', '\274', '\275', '\276', '\277',
'\300', '\341', '\342', '\343', '\344', '\345', '\346', '\347',
'\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357',
'\360', '\361', '\362', '\363', '\364', '\365', '\366', '\367',
'\370', '\371', '\372', '\333', '\334', '\335', '\336', '\337',
'\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347',
'\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357',
'\360', '\361', '\362', '\363', '\364', '\365', '\366', '\367',
'\370', '\371', '\372', '\373', '\374', '\375', '\376', '\377',
};
int
strncasecmp(const char *s1, const char *s2, register size_t n)
{
register unsigned char u1, u2;
for (; n != 0; --n) {
u1 = (unsigned char) *s1++;
u2 = (unsigned char) *s2++;
if (charmap[u1] != charmap[u2]) {
return charmap[u1] - charmap[u2];
}
if (u1 == '\0') {
return 0;
}
}
return 0;
}