Include errno.h needed by fallbacks
[official-gcc.git] / fixincludes / fixlib.h
blob42d98b2255874cf182e61ba10710e6af414167db
2 /* Install modified versions of certain ANSI-incompatible system header
3 files which are fixed to work correctly with ANSI C and placed in a
4 directory that GCC will search.
6 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2004, 2009
7 Free Software Foundation, Inc.
9 This file is part of GCC.
11 GCC is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 3, or (at your option)
14 any later version.
16 GCC is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with GCC; see the file COPYING3. If not see
23 <http://www.gnu.org/licenses/>. */
25 #ifndef GCC_FIXLIB_H
26 #define GCC_FIXLIB_H
28 #include "config.h"
29 #include "system.h"
30 #include <signal.h>
32 #include "xregex.h"
33 #include "libiberty.h"
35 #ifndef STDIN_FILENO
36 # define STDIN_FILENO 0
37 #endif
38 #ifndef STDOUT_FILENO
39 # define STDOUT_FILENO 1
40 #endif
42 #if ! defined( SIGCHLD ) && defined( SIGCLD )
43 # define SIGCHLD SIGCLD
44 #endif
46 #ifndef SIGQUIT
47 #define SIGQUIT SIGTERM
48 #endif
49 #ifndef SIGIOT
50 #define SIGIOT SIGTERM
51 #endif
52 #ifndef SIGPIPE
53 #define SIGPIPE SIGTERM
54 #endif
55 #ifndef SIGALRM
56 #define SIGALRM SIGTERM
57 #endif
58 #ifndef SIGKILL
59 #define SIGKILL SIGTERM
60 #endif
62 typedef int t_success;
64 #define FAILURE (-1)
65 #define SUCCESS 0
66 #define PROBLEM 1
68 #define SUCCEEDED(p) ((p) == SUCCESS)
69 #define SUCCESSFUL(p) SUCCEEDED (p)
70 #define FAILED(p) ((p) < SUCCESS)
71 #define HADGLITCH(p) ((p) > SUCCESS)
73 #ifndef DEBUG
74 # define STATIC static
75 #else
76 # define STATIC
77 #endif
79 #define tSCC static const char
80 #define tCC const char
81 #define tSC static char
83 /* If this particular system's header files define the macro `MAXPATHLEN',
84 we happily take advantage of it; otherwise we use a value which ought
85 to be large enough. */
86 #ifndef MAXPATHLEN
87 # define MAXPATHLEN 4096
88 #endif
90 #ifndef EXIT_SUCCESS
91 # define EXIT_SUCCESS 0
92 #endif
93 #ifndef EXIT_FAILURE
94 # define EXIT_FAILURE 1
95 #endif
97 #define EXIT_BROKEN 3
99 #define NUL '\0'
101 #ifndef NOPROCESS
102 #define NOPROCESS ((pid_t) -1)
103 #define NULLPROCESS ((pid_t)0)
105 #define EXIT_PANIC 99
106 #endif /* NOPROCESS */
108 #define IGNORE_ARG(a) ((void)(a))
110 typedef enum t_bool
112 BOOL_FALSE, BOOL_TRUE
113 } t_bool;
115 typedef int apply_fix_p_t; /* Apply Fix Predicate Type */
117 #define APPLY_FIX 0
118 #define SKIP_FIX 1
120 #define ENV_TABLE \
121 _ENV_( pz_machine, BOOL_TRUE, "TARGET_MACHINE", \
122 "output from config.guess" ) \
124 _ENV_( pz_orig_dir, BOOL_TRUE, "ORIGDIR", \
125 "directory of fixincl and applyfix" ) \
127 _ENV_( pz_src_dir, BOOL_TRUE, "SRCDIR", \
128 "directory of original files" ) \
130 _ENV_( pz_input_dir, BOOL_TRUE, "INPUT", \
131 "current directory for fixincl" ) \
133 _ENV_( pz_dest_dir, BOOL_TRUE, "DESTDIR", \
134 "output directory" ) \
136 _ENV_( pz_mn_name_pat, BOOL_FALSE, "MN_NAME_PAT", \
137 "regex matching forbidden identifiers" ) \
139 _ENV_( pz_verbose, BOOL_FALSE, "VERBOSE", \
140 "amount of user entertainment" ) \
142 _ENV_( pz_find_base, BOOL_TRUE, "FIND_BASE", \
143 "leader to trim from file names" )
145 #define _ENV_(v,m,n,t) extern tCC* v;
146 ENV_TABLE
147 #undef _ENV_
149 /* Test Descriptor
151 Each fix may have associated tests that determine
152 whether the fix needs to be applied or not.
153 Each test has a type (from the te_test_type enumeration);
154 associated test text; and, if the test is TT_EGREP or
155 the negated form TT_NEGREP, a pointer to the compiled
156 version of the text string.
159 typedef enum
161 TT_TEST, TT_EGREP, TT_NEGREP, TT_FUNCTION
162 } te_test_type;
164 typedef struct test_desc tTestDesc;
166 struct test_desc
168 te_test_type type;
169 const char *pz_test_text;
170 regex_t *p_test_regex;
173 typedef struct patch_desc tPatchDesc;
175 /* Fix Descriptor
177 Everything you ever wanted to know about how to apply
178 a particular fix (which files, how to qualify them,
179 how to actually make the fix, etc...)
181 NB: the FD_ defines are BIT FLAGS, even though
182 some are mutually exclusive
185 #define FD_MACH_ONLY 0x0000
186 #define FD_MACH_IFNOT 0x0001
187 #define FD_SHELL_SCRIPT 0x0002
188 #define FD_SUBROUTINE 0x0004
189 #define FD_REPLACEMENT 0x0008
190 #define FD_SKIP_TEST 0x8000
192 typedef struct fix_desc tFixDesc;
193 struct fix_desc
195 tCC* fix_name; /* Name of the fix */
196 tCC* file_list; /* List of files it applies to */
197 tCC** papz_machs; /* List of machine/os-es it applies to */
198 int test_ct;
199 int fd_flags;
200 tTestDesc* p_test_desc;
201 tCC** patch_args;
202 long unused;
205 typedef struct {
206 int type_name_len;
207 tCC* pz_type;
208 tCC* pz_TYPE;
209 tCC* pz_gtype;
210 } t_gnu_type_map;
212 extern int gnu_type_map_ct;
214 #ifdef HAVE_MMAP_FILE
215 #define UNLOAD_DATA() do { if (curr_data_mapped) { \
216 munmap ((void*)pz_curr_data, data_map_size); close (data_map_fd); } \
217 else free ((void*)pz_curr_data); } while(0)
218 #else
219 #define UNLOAD_DATA() free ((void*)pz_curr_data)
220 #endif
223 * Exported procedures
225 char * load_file_data ( FILE* fp );
227 #ifdef IS_CXX_HEADER_NEEDED
228 t_bool is_cxx_header ( tCC* filename, tCC* filetext );
229 #endif /* IS_CXX_HEADER_NEEDED */
231 #ifdef SKIP_QUOTE_NEEDED
232 tCC* skip_quote ( char q, char* text );
233 #endif
235 void compile_re ( tCC* pat, regex_t* re, int match, tCC *e1, tCC *e2 );
237 void apply_fix ( tFixDesc* p_fixd, tCC* filname );
238 apply_fix_p_t
239 run_test ( tCC* t_name, tCC* f_name, tCC* text );
241 #ifdef SEPARATE_FIX_PROC
242 char* make_raw_shell_str ( char* pz_d, tCC* pz_s, size_t smax );
243 #endif
245 t_bool mn_get_regexps ( regex_t** label_re, regex_t** name_re, tCC *who );
247 void initialize_opts ( void );
248 #endif /* ! GCC_FIXLIB_H */