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zdir_patch - Class for work with directory patches

//  This is a stable class, and may not change except for emergencies. It
//  is provided in stable builds.
#define ZDIR_PATCH_CREATE 1                 // Creates a new file
#define ZDIR_PATCH_DELETE 2                 // Delete a file
// Create new patch CZMQ_EXPORT zdir_patch_t * zdir_patch_new (const char *path, zfile_t *file, int op, const char *alias);
// Destroy a patch CZMQ_EXPORT void zdir_patch_destroy (zdir_patch_t **self_p);
// Create copy of a patch. If the patch is null, or memory was exhausted, // returns null. // Caller owns return value and must destroy it when done. CZMQ_EXPORT zdir_patch_t * zdir_patch_dup (zdir_patch_t *self);
// Return patch file directory path CZMQ_EXPORT const char * zdir_patch_path (zdir_patch_t *self);
// Return patch file item CZMQ_EXPORT zfile_t * zdir_patch_file (zdir_patch_t *self);
// Return operation CZMQ_EXPORT int zdir_patch_op (zdir_patch_t *self);
// Return patch virtual file path CZMQ_EXPORT const char * zdir_patch_vpath (zdir_patch_t *self);
// Calculate hash digest for file (create only) CZMQ_EXPORT void zdir_patch_digest_set (zdir_patch_t *self);
// Return hash digest for patch file CZMQ_EXPORT const char * zdir_patch_digest (zdir_patch_t *self);
// Self test of this class. CZMQ_EXPORT void zdir_patch_test (bool verbose);
Please add '@interface' section in './../src/zdir_patch.c'.

The zdir_patch class works with one patch, which says "create this file" or "delete this file" (referring to a zfile item each time).
Please add @discuss section in ./../src/zdir_patch.c.

From zdir_patch_test method.
const char *SELFTEST_DIR_RW = "src/selftest-rw";
const char *testfile = "bilbo"; const char *prefix = "/"; char *prefixed_testfile = zsys_sprintf ("%s%s", prefix, testfile); assert (prefixed_testfile);
// Make sure old aborted tests do not hinder us zsys_file_delete (prefixed_testfile);
zfile_t *file = zfile_new (SELFTEST_DIR_RW, testfile); assert (file); zdir_patch_t *patch = zdir_patch_new (SELFTEST_DIR_RW, file, patch_create, prefix); assert (patch); zfile_destroy (&file);
file = zdir_patch_file (patch); assert (file); assert (streq (zfile_filename (file, SELFTEST_DIR_RW), testfile)); assert (streq (zdir_patch_vpath (patch), prefixed_testfile)); zdir_patch_destroy (&patch);
zstr_free (&prefixed_testfile);
#if defined (__WINDOWS__) zsys_shutdown(); #endif

The czmq manual was written by the authors in the AUTHORS file.

Main web site:
Report bugs to the email <[1]>

Copyright (c) the Contributors as noted in the AUTHORS file. This file is part of CZMQ, the high-level C binding for 0MQ: 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 LICENSE included with the czmq distribution.

01/02/2019 CZMQ 4.1.1

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