thodg/libgit2/src/proxy.c

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• Hash : c6184f0c
  Author :
  Date : 2020-06-08T21:07:36
  

  tree-wide: do not compile deprecated functions with hard deprecation
  
  When compiling libgit2 with -DDEPRECATE_HARD, we add a preprocessor
  definition `GIT_DEPRECATE_HARD` which causes the "git2/deprecated.h"
  header to be empty. As a result, no function declarations are made
  available to callers, but the implementations are still available to
  link against. This has the problem that function declarations also
  aren't visible to the implementations, meaning that the symbol's
  visibility will not be set up correctly. As a result, the resulting
  library may not expose those deprecated symbols at all on some platforms
  and thus cause linking errors.
  
  Fix the issue by conditionally compiling deprecated functions, only.
  While it becomes impossible to link against such a library in case one
  uses deprecated functions, distributors of libgit2 aren't expected to
  pass -DDEPRECATE_HARD anyway. Instead, users of libgit2 should manually
  define GIT_DEPRECATE_HARD to hide deprecated functions. Using "real"
  hard deprecation still makes sense in the context of CI to test we don't
  use deprecated symbols ourselves and in case a dependant uses libgit2 in
  a vendored way and knows it won't ever use any of the deprecated symbols
  anyway.
  

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• src/proxy.c

• /*
   * Copyright (C) the libgit2 contributors. All rights reserved.
   *
   * This file is part of libgit2, distributed under the GNU GPL v2 with
   * a Linking Exception. For full terms see the included COPYING file.
   */
  
  #include "proxy.h"
  
  #include "git2/proxy.h"
  
  int git_proxy_options_init(git_proxy_options *opts, unsigned int version)
  {
  	GIT_INIT_STRUCTURE_FROM_TEMPLATE(
  		opts, version, git_proxy_options, GIT_PROXY_OPTIONS_INIT);
  	return 0;
  }
  
  #ifndef GIT_DEPRECATE_HARD
  int git_proxy_init_options(git_proxy_options *opts, unsigned int version)
  {
  	return git_proxy_options_init(opts, version);
  }
  #endif
  
  int git_proxy_options_dup(git_proxy_options *tgt, const git_proxy_options *src)
  {
  	if (!src) {
  		git_proxy_options_init(tgt, GIT_PROXY_OPTIONS_VERSION);
  		return 0;
  	}
  
  	memcpy(tgt, src, sizeof(git_proxy_options));
  	if (src->url) {
  		tgt->url = git__strdup(src->url);
  		GIT_ERROR_CHECK_ALLOC(tgt->url);
  	}
  
  	return 0;
  }
  
  void git_proxy_options_clear(git_proxy_options *opts)
  {
  	git__free((char *) opts->url);
  	opts->url = NULL;
  }
  

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