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68a256c892
Make the following changes by hand, and run 'admin/merge-gnulib'. * .gitignore: Add lib/malloc/*.gl.h. * admin/merge-gnulib: Copy lib/af_alg.h and lib/save-cwd.h directly from Gnulib, without worrying about Gnulib modules, as these files are special cases. (AVOIDED_MODULES): Remove malloc-posix. * lib/malloc.c, lib/realloc.c, m4/malloc.m4, m4/realloc.m4: * m4/year2038.m4: New files, copied from Gnulib. * lib/malloca.c, lib/malloca.h: * m4/close-stream.m4, m4/glibc21.m4, m4/malloca.m4: Remove. These are either no longer present in Gnulib, or are no longer needed by modules that Emacs uses. * oldXMenu/AddPane.c, oldXmenu/Addsel.c: Include XmenuInt.h first; needed for new Gnulib. * src/xmenu.c: Call emacs_abort, not abort.
57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/* c-strncasecmp.c -- case insensitive string comparator in C locale
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Copyright (C) 1998-1999, 2005-2006, 2009-2021 Free Software Foundation, Inc.
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This file is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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This file is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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#include <config.h>
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/* Specification. */
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#include "c-strcase.h"
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#include <limits.h>
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#include "c-ctype.h"
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int
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c_strncasecmp (const char *s1, const char *s2, size_t n)
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{
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register const unsigned char *p1 = (const unsigned char *) s1;
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register const unsigned char *p2 = (const unsigned char *) s2;
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unsigned char c1, c2;
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if (p1 == p2 || n == 0)
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return 0;
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do
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{
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c1 = c_tolower (*p1);
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c2 = c_tolower (*p2);
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if (--n == 0 || c1 == '\0')
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break;
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++p1;
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++p2;
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}
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while (c1 == c2);
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if (UCHAR_MAX <= INT_MAX)
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return c1 - c2;
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else
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/* On machines where 'char' and 'int' are types of the same size, the
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difference of two 'unsigned char' values - including the sign bit -
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doesn't fit in an 'int'. */
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return _GL_CMP (c1, c2);
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}
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