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thodg/got/include/got_reference.h

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  • Author : Stefan Sperling
    Date : 2018-04-02 11:10:05
    Hash : 0c60ce5a
    Message : document the current public API

  • include/got_reference.h
  • /*
     * Copyright (c) 2018 Stefan Sperling <stsp@openbsd.org>
     *
     * Permission to use, copy, modify, and distribute this software for any
     * purpose with or without fee is hereby granted, provided that the above
     * copyright notice and this permission notice appear in all copies.
     *
     * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
     * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
     * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
     * ANY SPECIAL, DIRECT, 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.
     */
    
    /* A reference which points to an arbitrary object. */
    struct got_reference;
    
    /* Well-known reference names. */
    #define GOT_REF_HEAD		"HEAD"
    #define GOT_REF_ORIG_HEAD	"ORIG_HEAD"
    #define GOT_REF_MERGE_HEAD	"MERGE_HEAD"
    #define GOT_REF_FETCH_HEAD	"FETCH_HEAD"
    
    struct got_repository;
    struct got_object_id;
    
    /*
     * Attempt to open the reference with the provided name in a repository.
     * The caller must dispose of it with got_ref_close().
     */
    const struct got_error * got_ref_open(struct got_reference **,
        struct got_repository *, const char *);
    
    /* Dispose of a reference. */
    void got_ref_close(struct got_reference *);
    
    /*
     * Create a duplicate copy of a reference.
     * The caller must dispose of this copy with got_ref_close().
     */
    struct got_reference *got_ref_dup(struct got_reference *);
    
    /* Attempt to resolve a reference to an object ID. */
    const struct got_error *got_ref_resolve(struct got_object_id **,
        struct got_repository *, struct got_reference *);
    
    /* Return a string representation of a reference. */
    char *got_ref_to_str(struct got_reference *);