Mercurial > hg > octave-shane > gnulib-hg
view lib/strncasecmp.c @ 15727:144db791c6fa
Ensure EBADF returns for socket functions on mingw.
* lib/accept.c (rpl_accept): Fail with error EBADF if the file
descriptor is invalid.
* lib/bind.c (rpl_bind): Likewise.
* lib/connect.c (rpl_connect): Likewise.
* lib/getpeername.c (rpl_getpeername): Likewise.
* lib/getsockname.c (rpl_getsockname): Likewise.
* lib/getsockopt.c (rpl_getsockopt): Likewise.
* lib/listen.c (rpl_listen): Likewise.
* lib/recv.c (rpl_recv): Likewise.
* lib/recvfrom.c (rpl_recvfrom): Likewise.
* lib/send.c (rpl_send): Likewise.
* lib/sendto.c (rpl_sendto): Likewise.
* lib/setsockopt.c (rpl_setsockopt): Likewise.
* lib/shutdown.c (rpl_shutdown): Likewise.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Wed, 21 Sep 2011 00:20:59 +0200 |
parents | 97fc9a21a8fb |
children | 8250f2777afc |
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/* strncasecmp.c -- case insensitive string comparator Copyright (C) 1998-1999, 2005-2007, 2009-2011 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include <config.h> /* Specification. */ #include <string.h> #include <ctype.h> #include <limits.h> #define TOLOWER(Ch) (isupper (Ch) ? tolower (Ch) : (Ch)) /* Compare no more than N bytes of strings S1 and S2, ignoring case, returning less than, equal to or greater than zero if S1 is lexicographically less than, equal to or greater than S2. Note: This function cannot work correctly in multibyte locales. */ int strncasecmp (const char *s1, const char *s2, size_t n) { register const unsigned char *p1 = (const unsigned char *) s1; register const unsigned char *p2 = (const unsigned char *) s2; unsigned char c1, c2; if (p1 == p2 || n == 0) return 0; do { c1 = TOLOWER (*p1); c2 = TOLOWER (*p2); if (--n == 0 || c1 == '\0') break; ++p1; ++p2; } while (c1 == c2); if (UCHAR_MAX <= INT_MAX) return c1 - c2; else /* On machines where 'char' and 'int' are types of the same size, the difference of two 'unsigned char' values - including the sign bit - doesn't fit in an 'int'. */ return (c1 > c2 ? 1 : c1 < c2 ? -1 : 0); }