1 /* This file is part of the YAZ toolkit.
2 * Copyright (C) 1995-2010 Index Data.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of Index Data nor the names of its contributors
13 * may be used to endorse or promote products derived from this
14 * software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 * \brief File Path utilities
36 #include <yaz/yconfig.h>
41 /** \brief checks whether path is absolute
42 \param path path to checked
43 \retval 1 path is absolute
44 \retval 0 path is relative
46 YAZ_EXPORT int yaz_is_abspath (const char *path);
48 /** \brief get next path component in filepath
49 \param path_p pointer to path (updated to "next" entry if any)
50 \param comp upon pointer to component (if component is found)
51 \retval 0 no component found (and no more componennts)
52 \retval >0 length of component (length of *comp)
54 A filepath has components separted by colon. For example
55 /usr/lib/modules:c:/my:/:lib
56 which has these components
57 "/usr/lib/modules", "c:/my", "/", "lib"
59 YAZ_EXPORT size_t yaz_filepath_comp(const char **path_p, const char **comp);
62 /** \brief resolve file on path
63 \param fname "short" filename (without path)
64 \param path the path (dir1:dir2,..) - ala Unix
65 \param base can be added to relative paths (NULL for no append)
66 \param fullpath the full path to filename (if succesful)
68 Returns 0/NULL if no fname could be found in path;
69 pointer to fullpath if fname could be found.
70 We assume fullpath is 1024 bytes in length!
72 YAZ_EXPORT char *yaz_filepath_resolve(const char *fname, const char *path,
73 const char *base, char *fullpath);
76 /** \brief opens first file in path in path
77 \param fname "short" filename (without path)
78 \param mode mode as in fopen(3)
79 \param path the path (dir1:dir2,..) - ala Unix
80 \param base can be added to relative paths (NULL for no append)
82 Returns 0/NULL if no fname could be found in path;
83 FILE pointer if fname could be found.
85 YAZ_EXPORT FILE *yaz_fopen(const char *path, const char *fname,
86 const char *mode, const char *base);
88 /** \brief opens first file in path in path
89 \param fname "short" filename (without path)
90 \param mode mode as in fopen(3)
91 \param path the path (dir1:dir2,..) - ala Unix
93 Returns 0/NULL if no fname could be found in path;
94 FILE pointer if fname could be found.
96 YAZ_EXPORT FILE *yaz_path_fopen(const char *path, const char *fname,
99 /** \brief closes file
102 \retval -1 on failure
105 YAZ_EXPORT int yaz_fclose(FILE *f);
114 * c-file-style: "Stroustrup"
115 * indent-tabs-mode: nil
117 * vim: shiftwidth=4 tabstop=8 expandtab