1 files changed, 122 insertions, 0 deletions
diff --git a/libtecla-1.6.3/pathutil.h b/libtecla-1.6.3/pathutil.h
new file mode 100644
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+++ b/libtecla-1.6.3/pathutil.h
@@ -0,0 +1,122 @@
+#ifndef pathutil_h
+#define pathutil_h
+
+/*
+ * Copyright (c) 2000, 2001, 2002, 2003, 2004, 2012 by Martin C. Shepherd.
+ * 
+ * All rights reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, and/or sell copies of the Software, and to permit persons
+ * to whom the Software is furnished to do so, provided that the above
+ * copyright notice(s) and this permission notice appear in all copies of
+ * the Software and that both the above copyright notice(s) and this
+ * permission notice appear in supporting documentation.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
+ * OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
+ * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
+ * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+ * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
+ * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * Except as contained in this notice, the name of a copyright holder
+ * shall not be used in advertising or otherwise to promote the sale, use
+ * or other dealings in this Software without prior written authorization
+ * of the copyright holder.
+ */
+
+/*
+ * The following object encapsulates a buffer designed to be used to
+ * store pathnames. The pathname member of the object is initially
+ * allocated with the size that _pu_pathname_dim() returns, and then
+ * if this turns out to be pessimistic, the pathname can be reallocated
+ * via calls to pb_append_to_path() and/or pb_resize_path().
+ */
+typedef struct {
+  char *name;         /* The path buffer */
+  size_t dim;         /* The current allocated size of buffer[] */
+} PathName;
+
+PathName *_new_PathName(void);
+PathName *_del_PathName(PathName *path);
+
+char *_pn_clear_path(PathName *path);
+char *_pn_append_to_path(PathName *path, const char *string, int slen,
+			int remove_escapes);
+char *_pn_prepend_to_path(PathName *path, const char *string, int slen,
+			  int remove_escapes);
+char *_pn_resize_path(PathName *path, size_t length);
+
+/*
+ * Search backwards for the potential start of a filename. This
+ * looks backwards from the specified index in a given string,
+ * stopping at the first unescaped space or the start of the line.
+ */
+char *_pu_start_of_path(const char *string, int back_from);
+
+/*
+ * Find the end of a potential filename, starting from a given index
+ * in the string. This looks forwards from the specified index in a
+ * given string, stopping at the first unescaped space or the end
+ * of the line.
+ */
+char *_pu_end_of_path(const char *string, int start_from);
+
+
+/*
+ * Return an estimate of the the length of the longest pathname
+ * on the local system.
+ */
+size_t _pu_pathname_dim(void);
+
+/*
+ * Return non-zero if the specified path name refers to a directory.
+ */
+int _pu_path_is_dir(const char *pathname);
+
+/*
+ * Return non-zero if the specified path name refers to a regular file.
+ */
+int _pu_path_is_file(const char *pathname);
+
+/*
+ * Return non-zero if the specified path name refers to an executable.
+ */
+int _pu_path_is_exe(const char *pathname);
+
+/*
+ * Return non-zero if a file exists with the specified pathname.
+ */
+int _pu_file_exists(const char *pathname);
+
+/*
+ * If neither the POSIX PATH_MAX macro nor the pathconf() function
+ * can be used to find out the maximum pathlength on the target
+ * system, the following fallback maximum length is used.
+ */
+#define MAX_PATHLEN_FALLBACK 1024
+
+/*
+ * If the pathname buffer turns out to be too small, it will be extended
+ * in chunks of the following amount (plus whatever is needed at the time).
+ */
+#define PN_PATHNAME_INC 100
+
+/*
+ * Define the special character-sequences of the filesystem.
+ */
+#define FS_ROOT_DIR "/"     /* The root directory */
+#define FS_ROOT_DIR_LEN (sizeof(FS_ROOT_DIR) - 1)
+#define FS_PWD "."          /* The current working directory */
+#define FS_PWD_LEN (sizeof(FS_PWD_LEN) - 1)
+#define FS_DIR_SEP "/"      /* The directory separator string */
+#define FS_DIR_SEP_LEN (sizeof(FS_DIR_SEP) - 1)
+
+#endif