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/* Install modified versions of certain ANSI-incompatible system header

   files which are fixed to work correctly with ANSI C and placed in a

   directory that GCC will search.

   Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2004, 2009

   Free Software Foundation, Inc.

This file is part of GCC.

GCC is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation; either version 3, or (at your option)

any later version.

GCC is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

GNU General Public License for more details.

You should have received a copy of the GNU General Public License

along with GCC; see the file COPYING3.  If not see

<http://www.gnu.org/licenses/>.  */

#ifndef GCC_FIXLIB_H

#define GCC_FIXLIB_H

#include "config.h"

#include "system.h"

#include <signal.h>

#include "xregex.h"

#include "libiberty.h"

#ifndef STDIN_FILENO

# define STDIN_FILENO   0

#endif

#ifndef STDOUT_FILENO

# define STDOUT_FILENO  1

#endif

#if ! defined( SIGCHLD ) && defined( SIGCLD )

#  define SIGCHLD SIGCLD

#endif

#ifndef SIGQUIT

#define SIGQUIT SIGTERM

#endif

#ifndef SIGIOT

#define SIGIOT SIGTERM

#endif

#ifndef SIGPIPE

#define SIGPIPE SIGTERM

#endif

#ifndef SIGALRM

#define SIGALRM SIGTERM

#endif

#ifndef SIGKILL

#define SIGKILL SIGTERM

#endif

typedef int t_success;

#define FAILURE         (-1)

#define SUCCESS           0

#define PROBLEM           1

#define SUCCEEDED(p)    ((p) == SUCCESS)

#define SUCCESSFUL(p)   SUCCEEDED (p)

#define FAILED(p)       ((p) < SUCCESS)

#define HADGLITCH(p)    ((p) > SUCCESS)

#ifndef DEBUG

# define STATIC static

#else

# define STATIC

#endif

#define tSCC static const char

#define tCC  const char

#define tSC  static char

/* If this particular system's header files define the macro `MAXPATHLEN',

   we happily take advantage of it; otherwise we use a value which ought

   to be large enough.  */

#ifndef MAXPATHLEN

# define MAXPATHLEN     4096

#endif

#ifndef EXIT_SUCCESS

# define EXIT_SUCCESS 0

#endif

#ifndef EXIT_FAILURE

# define EXIT_FAILURE 1

#endif

#define EXIT_BROKEN  3

#define NUL             '\0'

#ifndef NOPROCESS

#define NOPROCESS       ((pid_t) -1)

#define NULLPROCESS     ((pid_t)0)

#define EXIT_PANIC      99

#endif /* NOPROCESS */

#define IGNORE_ARG(a)   ((void)(a))

typedef enum t_bool

{

  BOOL_FALSE, BOOL_TRUE

} t_bool;

typedef int apply_fix_p_t;  /* Apply Fix Predicate Type */

#define APPLY_FIX 0

#define SKIP_FIX  1

#define ENV_TABLE                                    \

  _ENV_( pz_machine,   BOOL_TRUE, "TARGET_MACHINE",  \

         "output from config.guess" )                \

                                                     \

  _ENV_( pz_orig_dir,  BOOL_TRUE, "ORIGDIR",         \

         "directory of fixincl and applyfix" )       \

                                                     \

  _ENV_( pz_src_dir,   BOOL_TRUE, "SRCDIR",          \

         "directory of original files" )             \

                                                     \

  _ENV_( pz_input_dir, BOOL_TRUE, "INPUT",           \

         "current directory for fixincl" )           \

                                                     \

  _ENV_( pz_dest_dir,  BOOL_TRUE, "DESTDIR",         \

         "output directory" )                        \

                                                     \

  _ENV_( pz_mn_name_pat, BOOL_FALSE, "MN_NAME_PAT",  \

         "regex matching forbidden identifiers" )    \

                                                     \

  _ENV_( pz_verbose,  BOOL_FALSE, "VERBOSE",         \

         "amount of user entertainment" )            \

                                                     \

  _ENV_( pz_find_base, BOOL_TRUE, "FIND_BASE",       \

         "leader to trim from file names" )

#define _ENV_(v,m,n,t)   extern tCC* v;

ENV_TABLE

#undef _ENV_

/*  Test Descriptor

    Each fix may have associated tests that determine

    whether the fix needs to be applied or not.

    Each test has a type (from the te_test_type enumeration);

    associated test text; and, if the test is TT_EGREP or

    the negated form TT_NEGREP, a pointer to the compiled

    version of the text string.

    */

typedef enum

{

  TT_TEST, TT_EGREP, TT_NEGREP, TT_FUNCTION

} te_test_type;

typedef struct test_desc tTestDesc;

struct test_desc

{

  te_test_type type;

  const char *pz_test_text;

  regex_t *p_test_regex;

};

typedef struct patch_desc tPatchDesc;

/*  Fix Descriptor

    Everything you ever wanted to know about how to apply

    a particular fix (which files, how to qualify them,

    how to actually make the fix, etc...)

    NB:  the FD_ defines are BIT FLAGS, even though

         some are mutually exclusive

    */

#define FD_MACH_ONLY      0x0000

#define FD_MACH_IFNOT     0x0001

#define FD_SHELL_SCRIPT   0x0002

#define FD_SUBROUTINE     0x0004

#define FD_REPLACEMENT    0x0008

#define FD_SKIP_TEST      0x8000

typedef struct fix_desc tFixDesc;

struct fix_desc

{

  tCC*        fix_name;       /* Name of the fix */

  tCC*        file_list;      /* List of files it applies to */

  tCC**       papz_machs;     /* List of machine/os-es it applies to */

  int         test_ct;

  int         fd_flags;

  tTestDesc*  p_test_desc;

  tCC**       patch_args;

  long        unused;

};

typedef struct {

  int         type_name_len;

  tCC*        pz_type;

  tCC*        pz_TYPE;

  tCC*        pz_gtype;

} t_gnu_type_map;

extern int gnu_type_map_ct;

#ifdef HAVE_MMAP_FILE

#define UNLOAD_DATA() do { if (curr_data_mapped) { \

  munmap ((void*)pz_curr_data, data_map_size); close (data_map_fd); } \

  else free ((void*)pz_curr_data); } while(0)

#else

#define UNLOAD_DATA() free ((void*)pz_curr_data)

#endif

/*

 *  Exported procedures

 */

char * load_file_data ( FILE* fp );

#ifdef IS_CXX_HEADER_NEEDED

t_bool is_cxx_header ( tCC* filename, tCC* filetext );

#endif /* IS_CXX_HEADER_NEEDED */

#ifdef SKIP_QUOTE_NEEDED

tCC*   skip_quote ( char  q, char* text );

#endif

void   compile_re ( tCC* pat, regex_t* re, int match, tCC *e1, tCC *e2 );

void   apply_fix ( tFixDesc* p_fixd, tCC* filname );

apply_fix_p_t

       run_test ( tCC* t_name, tCC* f_name, tCC* text );

#ifdef SEPARATE_FIX_PROC

char*  make_raw_shell_str ( char* pz_d, tCC* pz_s, size_t smax );

#endif

t_bool mn_get_regexps ( regex_t** label_re, regex_t** name_re, tCC *who );

void   initialize_opts ( void );

#endif /* ! GCC_FIXLIB_H */