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334 lines
8.4 KiB
334 lines
8.4 KiB
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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// -*- Mode: C++ -*-
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//
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// Copyright (C) 2013-2021 Red Hat, Inc.
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///@file
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#ifndef __ABG_TOOLS_UTILS_H
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#define __ABG_TOOLS_UTILS_H
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#include <iostream>
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#include <istream>
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#include <memory>
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#include <ostream>
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#include <set>
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#include <string>
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#include "abg-suppression.h"
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namespace abigail
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{
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namespace tools_utils
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{
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using std::ostream;
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using std::istream;
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using std::ifstream;
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using std::string;
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using std::set;
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using std::shared_ptr;
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const char* get_system_libdir();
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const char* get_anonymous_struct_internal_name_prefix();
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const char* get_anonymous_union_internal_name_prefix();
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const char* get_anonymous_enum_internal_name_prefix();
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bool file_exists(const string&);
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bool is_regular_file(const string&);
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bool is_dir(const string&);
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bool dir_exists(const string&);
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bool dir_is_empty(const string &);
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bool decl_names_equal(const string&, const string&);
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bool maybe_get_symlink_target_file_path(const string& file_path,
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string& target_path);
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bool base_name(string const& path,
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string& file_name);
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bool dir_name(string const &path,
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string& path_dir_name,
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bool keep_separator_at_end=false);
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void real_path(const string&path, string& realpath);
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bool ensure_dir_path_created(const string&);
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bool ensure_parent_dir_created(const string&);
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ostream& emit_prefix(const string& prog_name, ostream& out);
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bool check_file(const string& path, ostream& out, const string& prog_name = "");
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bool check_dir(const string& path, ostream& out, const string& prog_name="");
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bool string_ends_with(const string&, const string&);
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bool string_begins_with(const string&, const string&);
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bool string_is_ascii(const string&);
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bool string_is_ascii_identifier(const string&);
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bool split_string(const string&, const string&, vector<string>&);
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bool string_suffix(const string&, const string&, string&);
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bool sorted_strings_common_prefix(vector<string>&, string&);
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string get_library_version_string();
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bool execute_command_and_get_output(const string&, vector<string>&);
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bool get_dsos_provided_by_rpm(const string& rpm_path,
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set<string>& provided_dsos);
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string trim_white_space(const string&);
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string trim_leading_string(const string& from, const string& to_trim);
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void convert_char_stars_to_char_star_stars(const vector<char*>&,
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vector<char**>&);
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suppr::type_suppression_sptr
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gen_suppr_spec_from_headers(const string& hdrs_root_dir);
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suppr::type_suppression_sptr
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gen_suppr_spec_from_headers(const string& hdrs_root_dir,
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const vector<string>& hdr_files);
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suppr::type_suppression_sptr
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gen_suppr_spec_from_headers(const vector<string>& headers_root_dirs,
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const vector<string>& header_files);
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suppr::suppressions_type
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gen_suppr_spec_from_kernel_abi_whitelists
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(const vector<string>& abi_whitelist_paths);
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bool
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get_vmlinux_path_from_kernel_dist(const string& from,
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string& vmlinux_path);
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bool
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get_binary_paths_from_kernel_dist(const string& dist_root,
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const string& debug_info_root_path,
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string& vmlinux_path,
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vector<string>& module_paths);
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bool
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get_binary_paths_from_kernel_dist(const string& dist_root,
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string& vmlinux_path,
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vector<string>& module_paths);
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string
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get_default_system_suppression_file_path();
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string
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get_default_user_suppression_file_path();
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void
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load_default_system_suppressions(suppr::suppressions_type&);
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void
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load_default_user_suppressions(suppr::suppressions_type&);
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bool
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find_file_under_dir(const string& root_dir,
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const string& file_path_to_look_for,
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string& result);
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class temp_file;
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/// Convenience typedef for a shared_ptr to @ref temp_file.
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typedef shared_ptr<temp_file> temp_file_sptr;
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/// A temporary file.
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///
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/// This is a helper file around the mkstemp API.
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///
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/// Once the temporary file is created, users can interact with it
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/// using an fstream. They can also get the path to the newly
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/// created temporary file.
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///
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/// When the instance of @ref temp_file is destroyed, the underlying
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/// resources are de-allocated, the underlying temporary file is
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/// closed and removed.
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class temp_file
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{
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struct priv;
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typedef shared_ptr<priv> priv_sptr;
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priv_sptr priv_;
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temp_file();
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public:
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bool
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is_good() const;
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const char*
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get_path() const;
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std::fstream&
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get_stream();
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static temp_file_sptr
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create();
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}; // end class temp_file
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size_t
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get_random_number();
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string
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get_random_number_as_string();
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/// The different types of files understood the bi* suite of tools.
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enum file_type
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{
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/// A file type we don't know about.
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FILE_TYPE_UNKNOWN,
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/// The native xml file format representing a translation unit.
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FILE_TYPE_NATIVE_BI,
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/// An elf file. Read this kind of file should yield an
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/// abigail::corpus type.
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FILE_TYPE_ELF,
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/// An archive (AR) file.
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FILE_TYPE_AR,
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// A native abixml file format representing a corpus of one or
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// several translation units.
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FILE_TYPE_XML_CORPUS,
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// A native abixml file format representing a corpus group of one or
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// several corpora.
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FILE_TYPE_XML_CORPUS_GROUP,
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/// An RPM (.rpm) binary file
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FILE_TYPE_RPM,
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/// An SRPM (.src.rpm) file
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FILE_TYPE_SRPM,
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/// A DEB (.deb) binary file
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FILE_TYPE_DEB,
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/// A plain directory
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FILE_TYPE_DIR,
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/// A tar archive. The archive can be compressed with the popular
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/// compression schemes recognized by GNU tar.
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FILE_TYPE_TAR
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};
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/// Exit status for abidiff and abicompat tools.
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///
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/// It's actually a bit mask. The value of each enumerator is a power
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/// of two.
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enum abidiff_status
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{
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/// This is for when the compared ABIs are equal.
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///
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/// Its numerical value is 0.
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ABIDIFF_OK = 0,
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/// This bit is set if there is an application error.
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///
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/// Its numerical value is 1.
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ABIDIFF_ERROR = 1,
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/// This bit is set if the tool is invoked in an non appropriate
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/// manner.
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///
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/// Its numerical value is 2.
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ABIDIFF_USAGE_ERROR = 1 << 1,
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/// This bit is set if the ABIs being compared are different.
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///
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/// Its numerical value is 4.
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ABIDIFF_ABI_CHANGE = 1 << 2,
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/// This bit is set if the ABIs being compared are different *and*
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/// are incompatible.
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///
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/// Its numerical value is 8.
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ABIDIFF_ABI_INCOMPATIBLE_CHANGE = 1 << 3
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};
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abidiff_status
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operator|(abidiff_status, abidiff_status);
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abidiff_status
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operator&(abidiff_status, abidiff_status);
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abidiff_status&
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operator|=(abidiff_status&l, abidiff_status r);
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bool
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abidiff_status_has_error(abidiff_status s);
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bool
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abidiff_status_has_abi_change(abidiff_status s);
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bool
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abidiff_status_has_incompatible_abi_change(abidiff_status s);
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/// A type used to time various part of the libabigail system.
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class timer
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{
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struct priv;
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typedef shared_ptr<priv> priv_sptr;
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priv_sptr priv_;
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public:
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enum kind
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{
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/// Default timer kind.
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DEFAULT_TIMER_KIND = 0,
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/// This kind of timer starts upon instantiation.
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START_ON_INSTANTIATION_TIMER_KIND = 1,
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};
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timer (kind k = DEFAULT_TIMER_KIND);
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bool start();
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bool stop();
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time_t value_in_seconds() const;
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bool value(time_t& hours,
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time_t& minutes,
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time_t& seconds,
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time_t& milliseconds) const;
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string value_as_string() const;
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~timer();
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}; //end class timer
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ostream& operator<<(ostream&, const timer&);
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ostream&
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operator<<(ostream& output, file_type r);
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file_type guess_file_type(istream& in);
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file_type guess_file_type(const string& file_path);
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bool
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get_rpm_name(const string& str, string& name);
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bool
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get_rpm_arch(const string& str, string& arch);
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bool
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get_deb_name(const string& str, string& name);
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bool
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file_is_kernel_package(const string& file_path,
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file_type file_type);
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bool
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file_is_kernel_debuginfo_package(const string& file_path,
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file_type file_type);
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std::shared_ptr<char>
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make_path_absolute(const char*p);
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char*
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make_path_absolute_to_be_freed(const char*p);
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corpus_group_sptr
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build_corpus_group_from_kernel_dist_under(const string& root,
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const string debug_info_root,
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const string& vmlinux_path,
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vector<string>& suppr_paths,
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vector<string>& kabi_wl_paths,
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suppr::suppressions_type& supprs,
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bool verbose,
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environment_sptr& env);
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}// end namespace tools_utils
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/// A macro that expands to aborting the program when executed.
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///
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/// Before aborting, the macro emits informatin about the source
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/// location where it was expanded.
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#define ABG_ASSERT_NOT_REACHED \
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do { \
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std::cerr << "in " << __FUNCTION__ \
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<< " at: " << __FILE__ << ":" << __LINE__ \
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<< ": execution should not have reached this point!\n"; \
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abort(); \
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} while (false)
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}//end namespace abigail
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#endif //__ABG_TOOLS_UTILS_H
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