From d141af4c25cded5eacb11416f0e6322e7eeaa13f Mon Sep 17 00:00:00 2001 From: Jim Meyering Date: Tue, 24 Feb 1998 22:54:10 +0000 Subject: [PATCH] Update from libit. --- lib/fnmatch.c | 92 +++++++++++++++++++++++++++++++++++++++++++---------------- 1 file changed, 67 insertions(+), 25 deletions(-) diff --git a/lib/fnmatch.c b/lib/fnmatch.c index f772ecc97..7ec417dfe 100644 --- a/lib/fnmatch.c +++ b/lib/fnmatch.c @@ -1,37 +1,52 @@ -/* Copyright (C) 1991, 1992, 1993, 1997 Free Software Foundation, Inc. +/* Copyright (C) 1991, 1992, 1993, 1996, 1997 Free Software Foundation, Inc. - NOTE: The canonical source of this file is maintained with the GNU C - Library. Bugs can be reported to bug-glibc@prep.ai.mit.edu. - - 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 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #if HAVE_CONFIG_H # include #endif +/* Enable GNU extensions in fnmatch.h. */ +#ifndef _GNU_SOURCE +# define _GNU_SOURCE 1 +#endif + #include #include #include -#if defined (STDC_HEADERS) || !defined (isascii) -# define ISASCII(c) 1 -#else -# define ISASCII(c) isascii(c) -#endif -#define ISUPPER(c) (ISASCII (c) && isupper (c)) +/* Comment out all this code if we are using the GNU C Library, and are not + actually compiling the library itself. This code is part of the GNU C + Library, but also included in many other GNU distributions. Compiling + and linking in this code is a waste when using the GNU C library + (especially if it is a shared library). Rather than having every GNU + program understand `configure --with-gnu-libc' and omit the object files, + it is simpler to just do this in the source for each such file. */ + +#if defined _LIBC || !defined __GNU_LIBRARY__ + + +# if defined STDC_HEADERS || !defined isascii +# define ISASCII(c) 1 +# else +# define ISASCII(c) isascii(c) +# endif + +# define ISUPPER(c) (ISASCII (c) && isupper (c)) + # ifndef errno extern int errno; @@ -49,7 +64,7 @@ fnmatch (pattern, string, flags) register char c; /* Note that this evaluates C many times. */ -# define FOLD(c) ((flags & FNM_CASEFOLD) && ISUPPER (c) ? tolower (c) : (c)) +# define FOLD(c) ((flags & FNM_CASEFOLD) && ISUPPER (c) ? tolower (c) : (c)) while ((c = *p++) != '\0') { @@ -71,6 +86,9 @@ fnmatch (pattern, string, flags) if (!(flags & FNM_NOESCAPE)) { c = *p++; + if (c == '\0') + /* Trailing \ loses. */ + return FNM_NOMATCH; c = FOLD (c); } if (FOLD (*n) != c) @@ -82,10 +100,24 @@ fnmatch (pattern, string, flags) (n == string || ((flags & FNM_FILE_NAME) && n[-1] == '/'))) return FNM_NOMATCH; - for (c = *p++; c == '?' || c == '*'; c = *p++, ++n) - if (((flags & FNM_FILE_NAME) && *n == '/') || - (c == '?' && *n == '\0')) - return FNM_NOMATCH; + for (c = *p++; c == '?' || c == '*'; c = *p++) + { + if ((flags & FNM_FILE_NAME) && *n == '/') + /* A slash does not match a wildcard under FNM_FILE_NAME. */ + return FNM_NOMATCH; + else if (c == '?') + { + /* A ? needs to match one character. */ + if (*n == '\0') + /* There isn't another character; no match. */ + return FNM_NOMATCH; + else + /* One character of the string is consumed in matching + this ? wildcard, so *??? won't match if there are + less than three characters. */ + ++n; + } + } if (c == '\0') return 0; @@ -122,7 +154,11 @@ fnmatch (pattern, string, flags) register char cstart = c, cend = c; if (!(flags & FNM_NOESCAPE) && c == '\\') - cstart = cend = *p++; + { + if (*p == '\0') + return FNM_NOMATCH; + cstart = cend = *p++; + } cstart = cend = FOLD (cstart); @@ -169,8 +205,12 @@ fnmatch (pattern, string, flags) c = *p++; if (!(flags & FNM_NOESCAPE) && c == '\\') - /* XXX 1003.2d11 is unclear if this is right. */ - ++p; + { + if (*p == '\0') + return FNM_NOMATCH; + /* XXX 1003.2d11 is unclear if this is right. */ + ++p; + } } if (not) return FNM_NOMATCH; @@ -196,3 +236,5 @@ fnmatch (pattern, string, flags) # undef FOLD } + +#endif /* _LIBC or not __GNU_LIBRARY__. */ -- 2.11.0