/usr/include/zdir.h is in libczmq-dev 4.0.2-7.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 | /* =========================================================================
zdir - work with file-system directories
Copyright (c) the Contributors as noted in the AUTHORS file.
This file is part of CZMQ, the high-level C binding for 0MQ:
http://czmq.zeromq.org.
This Source Code Form is subject to the terms of the Mozilla Public
License, v. 2.0. If a copy of the MPL was not distributed with this
file, You can obtain one at http://mozilla.org/MPL/2.0/.
=========================================================================
*/
#ifndef __ZDIR_H_INCLUDED__
#define __ZDIR_H_INCLUDED__
#ifdef __cplusplus
extern "C" {
#endif
// @warning THE FOLLOWING @INTERFACE BLOCK IS AUTO-GENERATED BY ZPROJECT
// @warning Please edit the model at "api/zdir.api" to make changes.
// @interface
// This is a stable class, and may not change except for emergencies. It
// is provided in stable builds.
// Create a new directory item that loads in the full tree of the specified
// path, optionally located under some parent path. If parent is "-", then
// loads only the top-level directory, and does not use parent as a path.
CZMQ_EXPORT zdir_t *
zdir_new (const char *path, const char *parent);
// Destroy a directory tree and all children it contains.
CZMQ_EXPORT void
zdir_destroy (zdir_t **self_p);
// Return directory path
CZMQ_EXPORT const char *
zdir_path (zdir_t *self);
// Return last modification time for directory.
CZMQ_EXPORT time_t
zdir_modified (zdir_t *self);
// Return total hierarchy size, in bytes of data contained in all files
// in the directory tree.
CZMQ_EXPORT off_t
zdir_cursize (zdir_t *self);
// Return directory count
CZMQ_EXPORT size_t
zdir_count (zdir_t *self);
// Returns a sorted list of zfile objects; Each entry in the list is a pointer
// to a zfile_t item already allocated in the zdir tree. Do not destroy the
// original zdir tree until you are done with this list.
// Caller owns return value and must destroy it when done.
CZMQ_EXPORT zlist_t *
zdir_list (zdir_t *self);
// Remove directory, optionally including all files that it contains, at
// all levels. If force is false, will only remove the directory if empty.
// If force is true, will remove all files and all subdirectories.
CZMQ_EXPORT void
zdir_remove (zdir_t *self, bool force);
// Calculate differences between two versions of a directory tree.
// Returns a list of zdir_patch_t patches. Either older or newer may
// be null, indicating the directory is empty/absent. If alias is set,
// generates virtual filename (minus path, plus alias).
// Caller owns return value and must destroy it when done.
CZMQ_EXPORT zlist_t *
zdir_diff (zdir_t *older, zdir_t *newer, const char *alias);
// Return full contents of directory as a zdir_patch list.
// Caller owns return value and must destroy it when done.
CZMQ_EXPORT zlist_t *
zdir_resync (zdir_t *self, const char *alias);
// Load directory cache; returns a hash table containing the SHA-1 digests
// of every file in the tree. The cache is saved between runs in .cache.
// Caller owns return value and must destroy it when done.
CZMQ_EXPORT zhash_t *
zdir_cache (zdir_t *self);
// Print contents of directory to open stream
CZMQ_EXPORT void
zdir_fprint (zdir_t *self, FILE *file, int indent);
// Print contents of directory to stdout
CZMQ_EXPORT void
zdir_print (zdir_t *self, int indent);
// Create a new zdir_watch actor instance:
//
// zactor_t *watch = zactor_new (zdir_watch, NULL);
//
// Destroy zdir_watch instance:
//
// zactor_destroy (&watch);
//
// Enable verbose logging of commands and activity:
//
// zstr_send (watch, "VERBOSE");
//
// Subscribe to changes to a directory path:
//
// zsock_send (watch, "ss", "SUBSCRIBE", "directory_path");
//
// Unsubscribe from changes to a directory path:
//
// zsock_send (watch, "ss", "UNSUBSCRIBE", "directory_path");
//
// Receive directory changes:
// zsock_recv (watch, "sp", &path, &patches);
//
// // Delete the received data.
// free (path);
// zlist_destroy (&patches);
CZMQ_EXPORT void
zdir_watch (zsock_t *pipe, void *unused);
// Self test of this class.
CZMQ_EXPORT void
zdir_test (bool verbose);
// @end
// Returns a sorted array of zfile objects; returns a single block of memory,
// that you destroy by calling zstr_free(). Each entry in the array is a pointer
// to a zfile_t item already allocated in the zdir tree. The array ends with
// a null pointer. Do not destroy the original zdir tree until you are done
// with this array.
CZMQ_EXPORT zfile_t **
zdir_flatten (zdir_t *self);
// Free a provided string, and nullify the parent pointer. Safe to call on
// a null pointer.
CZMQ_EXPORT void
zdir_flatten_free (zfile_t ***files_p);
#ifdef __cplusplus
}
#endif
// Deprecated method aliases
#define zdir_dump(s,i) zdir_print(s,i)
#endif
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