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63 lines
2.2 KiB
63 lines
2.2 KiB
/* absolute.c: Test if a filename is absolute or explicitly relative. |
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Copyright (C) 1993, 94, 95 Karl Berry. |
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This library is free software; you can redistribute it and/or |
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modify it under the terms of the GNU Library General Public |
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License as published by the Free Software Foundation; either |
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version 2 of the License, or (at your option) any later version. |
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This library 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 GNU |
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Library General Public License for more details. |
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You should have received a copy of the GNU Library General Public |
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License along with this library; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
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#include <kpathsea/config.h> |
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#include <kpathsea/absolute.h> |
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#include <kpathsea/c-pathch.h> |
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/* Sorry this is such a system-dependent mess, but I can't see any way |
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to usefully generalize. */ |
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boolean |
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kpse_absolute_p P2C(const_string, filename, boolean, relative_ok) |
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{ |
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#ifdef VMS |
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#include <string.h> |
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return strcspn (filename, "]>:") != strlen (filename); |
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#else /* not VMS */ |
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boolean absolute = IS_DIR_SEP (*filename) |
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#ifdef DOSISH |
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/* Novell allows non-alphanumeric drive letters. */ |
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|| (*filename && IS_DEVICE_SEP (filename[1])) |
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#endif /* DOSISH */ |
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#ifdef WIN32 |
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/* UNC names */ |
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|| (*filename == '\\' && filename[1] == '\\') |
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#endif |
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#ifdef AMIGA |
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/* Colon anywhere means a device. */ |
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|| strchr (filename, ':') |
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#endif /* AMIGA */ |
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; |
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boolean explicit_relative |
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= relative_ok |
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#ifdef AMIGA |
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/* Leading / is like `../' on Unix and DOS. Allow Unix syntax, |
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too, though, because of possible patch programs like |
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`UnixDirsII' by Martin Scott. */ |
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&& IS_DIR_SEP (*filename) || 0 |
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#endif /* AMIGA */ |
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&& (*filename == '.' && (IS_DIR_SEP (filename[1]) |
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|| (filename[1] == '.' && IS_DIR_SEP (filename[2])))); |
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/* FIXME: On UNIX an IS_DIR_SEP of any but the last character in the name |
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implies relative. */ |
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return absolute || explicit_relative; |
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#endif /* not VMS */ |
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}
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