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https://github.com/libgit2/libgit2.git
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8bd69574bd
Many fuzzers will need to operate with a repository; extract the repository initialization from downloads_refs_fuzzer.c into its own utility area.
52 lines
1.0 KiB
C
52 lines
1.0 KiB
C
/*
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* Copyright (C) the libgit2 contributors. All rights reserved.
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*
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* This file is part of libgit2, distributed under the GNU GPL v2 with
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* a Linking Exception. For full terms see the included COPYING file.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "git2.h"
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#include "futils.h"
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#include "fuzzer_utils.h"
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void fuzzer_git_abort(const char *op)
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{
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const git_error *err = git_error_last();
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fprintf(stderr, "unexpected libgit error: %s: %s\n",
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op, err ? err->message : "<none>");
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abort();
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}
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git_repository *fuzzer_repo_init(void)
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{
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git_repository *repo;
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#if defined(_WIN32)
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char tmpdir[MAX_PATH], path[MAX_PATH];
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if (GetTempPath((DWORD)sizeof(tmpdir), tmpdir) == 0)
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abort();
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if (GetTempFileName(tmpdir, "lg2", 1, path) == 0)
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abort();
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if (git_futils_mkdir(path, 0700, 0) < 0)
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abort();
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#else
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char path[] = "/tmp/git2.XXXXXX";
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if (mkdtemp(path) != path)
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abort();
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#endif
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if (git_repository_init(&repo, path, 1) < 0)
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fuzzer_git_abort("git_repository_init");
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return repo;
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}
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