thodg/libgit2/tests/odb/backend/backend_helpers.c

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• Hash : f673e232
  Author :
  Date : 2018-12-27T13:47:34
  

  git_error: use new names in internal APIs and usage Move to the `git_error` name in the internal API for error-related functions.

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• tests/odb/backend/backend_helpers.c

• #include "clar_libgit2.h"
  #include "git2/sys/odb_backend.h"
  #include "backend_helpers.h"
  
  static int search_object(const fake_object **out, fake_backend *fake, const git_oid *oid, size_t len)
  {
  	const fake_object *obj = fake->objects, *found = NULL;
  
  	while (obj && obj->oid) {
  		git_oid current_oid;
  
  		git_oid_fromstr(&current_oid, obj->oid);
  
  		if (git_oid_ncmp(&current_oid, oid, len) == 0) {
  			if (found)
  				return GIT_EAMBIGUOUS;
  			found = obj;
  		}
  
  		obj++;
  	}
  
  	if (found && out)
  		*out = found;
  
  	return found ? GIT_OK : GIT_ENOTFOUND;
  }
  
  static int fake_backend__exists(git_odb_backend *backend, const git_oid *oid)
  {
  	fake_backend *fake;
  
  	fake = (fake_backend *)backend;
  
  	fake->exists_calls++;
  
  	return search_object(NULL, fake, oid, GIT_OID_HEXSZ) == GIT_OK;
  }
  
  static int fake_backend__exists_prefix(
  	git_oid *out, git_odb_backend *backend, const git_oid *oid, size_t len)
  {
  	const fake_object *obj;
  	fake_backend *fake;
  	int error;
  
  	fake = (fake_backend *)backend;
  
  	fake->exists_prefix_calls++;
  
  	if ((error = search_object(&obj, fake, oid, len)) < 0)
  		return error;
  
  	if (out)
  		git_oid_fromstr(out, obj->oid);
  
  	return 0;
  }
  
  static int fake_backend__read(
  	void **buffer_p, size_t *len_p, git_object_t *type_p,
  	git_odb_backend *backend, const git_oid *oid)
  {
  	const fake_object *obj;
  	fake_backend *fake;
  	int error;
  
  	fake = (fake_backend *)backend;
  
  	fake->read_calls++;
  
  	if ((error = search_object(&obj, fake, oid, GIT_OID_HEXSZ)) < 0)
  		return error;
  
  	*len_p = strlen(obj->content);
  	*buffer_p = git__strdup(obj->content);
  	*type_p = GIT_OBJECT_BLOB;
  
  	return 0;
  }
  
  static int fake_backend__read_header(
  	size_t *len_p, git_object_t *type_p,
  	git_odb_backend *backend, const git_oid *oid)
  {
  	const fake_object *obj;
  	fake_backend *fake;
  	int error;
  
  	fake = (fake_backend *)backend;
  
  	fake->read_header_calls++;
  
  	if ((error = search_object(&obj, fake, oid, GIT_OID_HEXSZ)) < 0)
  		return error;
  
  	*len_p = strlen(obj->content);
  	*type_p = GIT_OBJECT_BLOB;
  
  	return 0;
  }
  
  static int fake_backend__read_prefix(
  	git_oid *out_oid, void **buffer_p, size_t *len_p, git_object_t *type_p,
  	git_odb_backend *backend, const git_oid *short_oid, size_t len)
  {
  	const fake_object *obj;
  	fake_backend *fake;
  	int error;
  
  	fake = (fake_backend *)backend;
  
  	fake->read_prefix_calls++;
  
  	if ((error = search_object(&obj, fake, short_oid, len)) < 0)
  		return error;
  
  	git_oid_fromstr(out_oid, obj->oid);
  	*len_p = strlen(obj->content);
  	*buffer_p = git__strdup(obj->content);
  	*type_p = GIT_OBJECT_BLOB;
  
  	return 0;
  }
  
  static void fake_backend__free(git_odb_backend *_backend)
  {
  	fake_backend *backend;
  
  	backend = (fake_backend *)_backend;
  
  	git__free(backend);
  }
  
  int build_fake_backend(
  	git_odb_backend **out,
  	const fake_object *objects)
  {
  	fake_backend *backend;
  
  	backend = git__calloc(1, sizeof(fake_backend));
  	GIT_ERROR_CHECK_ALLOC(backend);
  
  	backend->parent.version = GIT_ODB_BACKEND_VERSION;
  
  	backend->parent.refresh = NULL;
  	backend->objects = objects;
  
  	backend->parent.read = fake_backend__read;
  	backend->parent.read_prefix = fake_backend__read_prefix;
  	backend->parent.read_header = fake_backend__read_header;
  	backend->parent.exists = fake_backend__exists;
  	backend->parent.exists_prefix = fake_backend__exists_prefix;
  	backend->parent.free = &fake_backend__free;
  
  	*out = (git_odb_backend *)backend;
  
  	return 0;
  }
  

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