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4271
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1 /* Pathname support. |
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2 Copyright (C) 2001-2002 Free Software Foundation, Inc. |
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3 |
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4 This program is free software; you can redistribute it and/or modify |
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5 it under the terms of the GNU General Public License as published by |
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6 the Free Software Foundation; either version 2, or (at your option) |
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7 any later version. |
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8 |
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9 This program is distributed in the hope that it will be useful, |
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 GNU General Public License for more details. |
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13 |
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14 You should have received a copy of the GNU General Public License |
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15 along with this program; if not, write to the Free Software Foundation, |
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16 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
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17 |
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18 #ifndef _PATHNAME_H |
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19 #define _PATHNAME_H |
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20 |
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21 /* Pathname support. |
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22 ISSLASH(C) tests whether C is a directory separator character. |
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23 IS_ABSOLUTE_PATH(P) tests whether P is an absolute path. If it is not, |
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24 it may be concatenated to a directory pathname. |
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25 IS_PATH_WITH_DIR(P) tests whether P contains a directory specification. |
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26 */ |
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27 #if defined _WIN32 || defined __WIN32__ || defined __EMX__ || defined __DJGPP__ |
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28 /* Win32, OS/2, DOS */ |
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29 # define ISSLASH(C) ((C) == '/' || (C) == '\\') |
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30 # define HAS_DEVICE(P) \ |
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31 ((((P)[0] >= 'A' && (P)[0] <= 'Z') || ((P)[0] >= 'a' && (P)[0] <= 'z')) \ |
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32 && (P)[1] == ':') |
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33 # define IS_ABSOLUTE_PATH(P) (ISSLASH ((P)[0]) || HAS_DEVICE (P)) |
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34 # define IS_PATH_WITH_DIR(P) \ |
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35 (strchr (P, '/') != NULL || strchr (P, '\\') != NULL || HAS_DEVICE (P)) |
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36 # define FILESYSTEM_PREFIX_LEN(P) (HAS_DEVICE (P) ? 2 : 0) |
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37 #else |
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38 /* Unix */ |
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39 # define ISSLASH(C) ((C) == '/') |
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40 # define IS_ABSOLUTE_PATH(P) ISSLASH ((P)[0]) |
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41 # define IS_PATH_WITH_DIR(P) (strchr (P, '/') != NULL) |
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42 # define FILESYSTEM_PREFIX_LEN(P) 0 |
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43 #endif |
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44 |
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45 /* Concatenate a directory pathname, a relative pathname and an optional |
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46 suffix. Return a freshly allocated pathname. */ |
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47 extern char *concatenated_pathname (const char *directory, |
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48 const char *filename, const char *suffix); |
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49 |
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50 #endif /* _PATHNAME_H */ |
