From 1d5cace9db9aef76f26b2d7ba54bbb76443b00b2 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 5 May 2024 20:33:23 +0200 Subject: Adding upstream version 5.0. Signed-off-by: Daniel Baumann --- lib/glob/glob_loop.c | 77 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 lib/glob/glob_loop.c (limited to 'lib/glob/glob_loop.c') diff --git a/lib/glob/glob_loop.c b/lib/glob/glob_loop.c new file mode 100644 index 0000000..5f319cc --- /dev/null +++ b/lib/glob/glob_loop.c @@ -0,0 +1,77 @@ +/* Copyright (C) 1991-2017 Free Software Foundation, Inc. + + This file is part of GNU Bash, the Bourne Again SHell. + + Bash 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 3 of the License, or + (at your option) any later version. + + Bash 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 Bash. If not, see . +*/ + +static int INTERNAL_GLOB_PATTERN_P __P((const GCHAR *)); + +/* Return nonzero if PATTERN has any special globbing chars in it. + Compiled twice, once each for single-byte and multibyte characters. */ +static int +INTERNAL_GLOB_PATTERN_P (pattern) + const GCHAR *pattern; +{ + register const GCHAR *p; + register GCHAR c; + int bopen; + + p = pattern; + bopen = 0; + + while ((c = *p++) != L('\0')) + switch (c) + { + case L('?'): + case L('*'): + return 1; + + case L('['): /* Only accept an open brace if there is a close */ + bopen++; /* brace to match it. Bracket expressions must be */ + continue; /* complete, according to Posix.2 */ + case L(']'): + if (bopen) + return 1; + continue; + + case L('+'): /* extended matching operators */ + case L('@'): + case L('!'): + if (*p == L('(')) /*) */ + return 1; + continue; + + case L('\\'): +#if 0 + /* Don't let the pattern end in a backslash (GMATCH returns no match + if the pattern ends in a backslash anyway), but otherwise return 1, + since the matching engine uses backslash as an escape character + and it can be removed. */ + return (*p != L('\0')); +#else + /* The pattern may not end with a backslash. */ + if (*p++ == L('\0')) + return 0; +#endif + } + + return 0; +} + +#undef INTERNAL_GLOB_PATTERN_P +#undef L +#undef INT +#undef CHAR +#undef GCHAR -- cgit v1.2.3