90847fc881
I'm checking for zero-size allocations and assert()-ing them, so we can more easily get backtraces and debug problems, but we'll also allow -DNDEBUG people to live on the edge if they wish. We do not rely on errno when checking for OOM errors because some implementations of malloc do not set it, and malloc is commonly overridden by userspace wrappers. I've spent some time looking through the source and didn't find any obvious places where we would explicitly allocate 0 bytes, so we shouldn't trip any of those assertions. We also avoid allocating zero bytes because C libraries don't handle this consistently (some return NULL, some not); and it's dangerous either way. git-svn-id: https://svn.musicpd.org/mpd/trunk@4690 09075e82-0dd4-0310-85a5-a0d7c8717e4f
70 lines
2.2 KiB
C
70 lines
2.2 KiB
C
/* the Music Player Daemon (MPD)
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* (c)2003-2006 by Warren Dukes (warren.dukes@gmail.com)
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* This project's homepage is: http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; 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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*/
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#ifndef PATH_H
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#define PATH_H
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#include "../config.h"
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#include <sys/param.h>
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extern const char *musicDir;
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void initPaths(void);
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void finishPaths(void);
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/* utf8ToFsCharset() and fsCharsetToUtf8()
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* Each returns a static pointer to a dynamically allocated buffer
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* which means:
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* - Do not manually free the return value of these functions, it'll be
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* automatically freed the next time it is called.
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* - They are not reentrant, xstrdup the return value immediately if
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* you expect to call one of these functions again, but still need the
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* previous result.
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* - The static pointer is unique to each function.
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*/
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char *utf8ToFsCharset(char *str);
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char *fsCharsetToUtf8(char *str);
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void setFsCharset(char *charset);
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char *getFsCharset(void);
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/* relative music path to absolute music path
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* char * passed is a static variable, so don't free it
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*/
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char *rmp2amp(char *file);
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/* static char * returned */
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char *rpp2app(char *file);
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/* static char * returned */
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char *parentPath(char *path);
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/* strips extra "///" and leading "/" and trailing "/" */
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char *sanitizePathDup(char *path);
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/* this is actually like strlcpy (OpenBSD), but we don't actually want to
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* blindly use it everywhere, only for paths that are OK to truncate (for
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* error reporting and such.
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* dest must be MAXPATHLEN+1 bytes large (which is standard in mpd) */
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void pathcpy_trunc(char *dest, const char *src);
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#endif
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