1 files changed, 106 insertions, 0 deletions
diff --git a/libs/pbd3/pbd/ftw.h b/libs/pbd3/pbd/ftw.h
new file mode 100644
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+++ b/libs/pbd3/pbd/ftw.h
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+/*
+   Copyright (c) 2003 by Joel Baker.
+   All rights reserved.
+ 
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions
+   are met:
+
+   1. Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+   2. Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+   3. Neither the name of the Author nor the names of any contributors
+      may be used to endorse or promote products derived from this software
+      without specific prior written permission.
+			    
+   THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+   ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+   ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+   FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+   OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+   HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+   LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+   OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+   SUCH DAMAGE.
+*/
+
+#ifndef _FTW_H
+#define _FTW_H
+
+#include <sys/stat.h>
+
+/* Enumerated values for 'flag' when calling [n]ftw */
+
+enum {
+    FTW_D,   /* Directories */
+    FTW_DNR, /* Unreadable directory */
+    FTW_F,   /* Regular files */
+    FTW_SL,  /* Symbolic link */
+    FTW_NS,  /* stat(2) failed */
+
+#ifdef __USE_XOPEN_EXTENDED /* X/Open */
+
+/* Flags for nftw only */
+
+    FTW_DP, /* Directory, subdirs visited */
+    FTW_SLN, /* Dangling symlink */
+
+#endif /* __USE_XOPEN_EXTENDED */
+};
+
+#ifdef __USE_XOPEN_EXTENDED /* X/Open */
+
+/* Enumerated values for 'flags' when calling nftw */
+
+enum {
+    FTW_CHDIR = 1, /* Do a chdir(2) when entering a directory */
+    FTW_DEPTH = 2, /* Report files first (before directory) */
+    FTW_MOUNT = 4, /* Single filesystem */
+    FTW_PHYS  = 8  /* Physical walk; ignore symlinks */
+};
+
+#define FTW_PHYS FTW_PHYS
+#define FTW_MOUNT FTW_MOUNT
+#define FTW_CHDIR FTW_CHDIR
+#define FTW_DEPTH FTW_DEPTH
+
+/* FTW struct for callbacks from nftw */
+
+struct FTW {
+    int base;
+    int level;
+};
+
+#endif /* __USE_XOPEN_EXTENDED */
+
+/* Typecasts for callback functions */
+
+typedef int (*__ftw_func_t) \
+    (const char *file, const struct stat *status, int flag);
+
+#ifdef __USE_XOPEN_EXTENDED /* X/Open */
+
+typedef int (*__nftw_func_t) \
+    (const char *file, const struct stat *status, int flag, struct FTW *detail);
+
+#endif /* __USE_XOPEN_EXTENDED */
+
+/* ftw: walk a directory tree, calling a function for each element */
+
+extern int ftw (const char *dir, __ftw_func_t func, int descr);
+
+#ifdef __USE_XOPEN_EXTENDED /* X/Open */
+
+/* nftw: walk a directory tree, calling a function for each element; much
+ * like ftw, but with behavior flags and minty freshness.
+ */
+
+extern int nftw (const char *dir, __nftw_func_t func, int descr, int flags);
+
+#endif /* __USE_XOPEN_EXTENDED */
+
+#endif /* _FTW_H */