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d23b8f57 RK |
1 | /**************************************************************************** |
2 | * * | |
3 | * GNAT COMPILER COMPONENTS * | |
4 | * * | |
5 | * A D A I N T * | |
6 | * * | |
d23b8f57 RK |
7 | * C Header File * |
8 | * * | |
1d005acc | 9 | * Copyright (C) 1992-2019, Free Software Foundation, Inc. * |
d23b8f57 RK |
10 | * * |
11 | * GNAT is free software; you can redistribute it and/or modify it under * | |
12 | * terms of the GNU General Public License as published by the Free Soft- * | |
748086b7 | 13 | * ware Foundation; either version 3, or (at your option) any later ver- * |
d23b8f57 RK |
14 | * sion. GNAT is distributed in the hope that it will be useful, but WITH- * |
15 | * OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * | |
748086b7 JJ |
16 | * or FITNESS FOR A PARTICULAR PURPOSE. * |
17 | * * | |
18 | * As a special exception under Section 7 of GPL version 3, you are granted * | |
19 | * additional permissions described in the GCC Runtime Library Exception, * | |
20 | * version 3.1, as published by the Free Software Foundation. * | |
21 | * * | |
22 | * You should have received a copy of the GNU General Public License and * | |
23 | * a copy of the GCC Runtime Library Exception along with this program; * | |
24 | * see the files COPYING3 and COPYING.RUNTIME respectively. If not, see * | |
25 | * <http://www.gnu.org/licenses/>. * | |
d23b8f57 RK |
26 | * * |
27 | * GNAT was originally developed by the GNAT team at New York University. * | |
71ff80dc | 28 | * Extensive contributions were provided by Ada Core Technologies Inc. * |
d23b8f57 RK |
29 | * * |
30 | ****************************************************************************/ | |
31 | ||
9e9bd455 LG |
32 | #ifdef __cplusplus |
33 | extern "C" { | |
34 | #endif | |
35 | ||
0022d9e3 | 36 | #include <sys/stat.h> |
c4039eb0 | 37 | #include <stdio.h> |
0022d9e3 | 38 | |
7e8338d8 | 39 | #if defined (_WIN32) || defined (__CYGWIN__) |
0022d9e3 PO |
40 | #include "mingw32.h" |
41 | #endif | |
42 | ||
d23b8f57 RK |
43 | #include <dirent.h> |
44 | ||
fa5537cb | 45 | /* Constants used for the form parameter encoding values */ |
ffec8e81 AC |
46 | #define Encoding_UTF8 0 /* UTF-8 */ |
47 | #define Encoding_8bits 1 /* Standard 8bits, CP_ACP on Windows. */ | |
48 | #define Encoding_Unspecified 2 /* Based on GNAT_CODE_PAGE env variable. */ | |
fa5537cb | 49 | |
8d12c865 RD |
50 | /* Large file support. It is unclear what portable mechanism we can use to |
51 | determine at compile time what support the system offers for large files. | |
52 | For now we just list the platforms we have manually tested. */ | |
03456e44 | 53 | |
a6fc663e | 54 | #if (defined (__GLIBC__) && !defined(STANDALONE)) || defined (__sun__) || defined (__QNX__) |
f6c7fcc0 | 55 | #define GNAT_FOPEN fopen64 |
2b9fbec9 | 56 | #define GNAT_OPEN open64 |
f6c7fcc0 DK |
57 | #define GNAT_STAT stat64 |
58 | #define GNAT_FSTAT fstat64 | |
59 | #define GNAT_LSTAT lstat64 | |
60 | #define GNAT_STRUCT_STAT struct stat64 | |
24228312 AC |
61 | |
62 | #elif defined(_WIN32) | |
63 | #define GNAT_FOPEN fopen64 | |
64 | #define GNAT_OPEN open | |
65 | #define GNAT_STAT stat64 | |
66 | #define GNAT_FSTAT fstat64 | |
67 | #define GNAT_LSTAT lstat | |
68 | #define GNAT_STRUCT_STAT struct stat64 | |
69 | ||
be035558 AC |
70 | #elif defined(__APPLE__) |
71 | ||
72 | # include <TargetConditionals.h> | |
73 | ||
74 | # if TARGET_IPHONE_SIMULATOR | |
75 | /* On iOS (simulator or not), the stat structure is the 64 bit one. | |
76 | But the simulator uses the MacOS X syscalls that aren't 64 bit. | |
77 | Fix this interfacing issue here. */ | |
78 | int fstat64(int, struct stat *); | |
79 | int stat64(const char *, struct stat *); | |
80 | int lstat64(const char *, struct stat *); | |
81 | # define GNAT_STAT stat64 | |
82 | # define GNAT_FSTAT fstat64 | |
83 | # define GNAT_LSTAT lstat64 | |
84 | # else | |
85 | # define GNAT_STAT stat | |
86 | # define GNAT_FSTAT fstat | |
87 | # define GNAT_LSTAT lstat | |
88 | # endif | |
89 | ||
90 | # define GNAT_FOPEN fopen | |
91 | # define GNAT_OPEN open | |
92 | # define GNAT_STRUCT_STAT struct stat | |
93 | ||
03456e44 | 94 | #else |
f6c7fcc0 | 95 | #define GNAT_FOPEN fopen |
2b9fbec9 | 96 | #define GNAT_OPEN open |
f6c7fcc0 DK |
97 | #define GNAT_STAT stat |
98 | #define GNAT_FSTAT fstat | |
99 | #define GNAT_LSTAT lstat | |
100 | #define GNAT_STRUCT_STAT struct stat | |
03456e44 AC |
101 | #endif |
102 | ||
ae65d635 AC |
103 | /* Type corresponding to GNAT.OS_Lib.OS_Time */ |
104 | #if defined (_WIN64) | |
105 | typedef long long OS_Time; | |
106 | #else | |
107 | typedef long OS_Time; | |
108 | #endif | |
d23b8f57 | 109 | |
fd7215d7 | 110 | #define __int64 long long |
be42aa71 | 111 | GNAT_STRUCT_STAT; |
fd7215d7 | 112 | |
48263c9a EB |
113 | /* A lazy cache for the attributes of a file. On some systems, a single call to |
114 | stat() will give all this information, so it is better than doing a system | |
115 | call every time. On other systems this require several system calls. | |
116 | */ | |
117 | ||
118 | struct file_attributes { | |
c6d2191a AC |
119 | int error; |
120 | /* Errno value returned by stat()/fstat(). If non-zero, other fields should | |
121 | * be considered as invalid. | |
122 | */ | |
123 | ||
96867674 | 124 | unsigned char exists; |
48263c9a | 125 | |
96867674 AC |
126 | unsigned char writable; |
127 | unsigned char readable; | |
128 | unsigned char executable; | |
48263c9a | 129 | |
96867674 AC |
130 | unsigned char symbolic_link; |
131 | unsigned char regular; | |
132 | unsigned char directory; | |
48263c9a EB |
133 | |
134 | OS_Time timestamp; | |
148c744a | 135 | __int64 file_length; |
48263c9a EB |
136 | }; |
137 | /* WARNING: changing the size here might require changing the constant | |
138 | * File_Attributes_Size in osint.ads (which should be big enough to | |
139 | * fit the above struct on any system) | |
140 | */ | |
141 | ||
fbf5a39b | 142 | extern int __gnat_max_path_len; |
fa5537cb | 143 | extern OS_Time __gnat_current_time (void); |
9392454c | 144 | extern void __gnat_current_time_string (char *); |
d7598e11 PO |
145 | extern void __gnat_to_gm_time (OS_Time *, int *, int *, |
146 | int *, int *, | |
147 | int *, int *); | |
c3d01e19 PO |
148 | extern void __gnat_to_os_time (OS_Time *, int, int, int, |
149 | int, int, int); | |
fbf5a39b AC |
150 | extern int __gnat_get_maximum_file_name_length (void); |
151 | extern int __gnat_get_switches_case_sensitive (void); | |
152 | extern int __gnat_get_file_names_case_sensitive (void); | |
0e35524d | 153 | extern int __gnat_get_env_vars_case_sensitive (void); |
fbf5a39b AC |
154 | extern char __gnat_get_default_identifier_character_set (void); |
155 | extern void __gnat_get_current_dir (char *, int *); | |
156 | extern void __gnat_get_object_suffix_ptr (int *, | |
157 | const char **); | |
158 | extern void __gnat_get_executable_suffix_ptr (int *, | |
159 | const char **); | |
160 | extern void __gnat_get_debuggable_suffix_ptr (int *, | |
161 | const char **); | |
162 | extern int __gnat_readlink (char *, char *, | |
163 | size_t); | |
164 | extern int __gnat_symlink (char *, char *); | |
165 | extern int __gnat_try_lock (char *, char *); | |
166 | extern int __gnat_open_new (char *, int); | |
167 | extern int __gnat_open_new_temp (char *, int); | |
e01934b7 | 168 | extern int __gnat_mkdir (char *, int); |
fbf5a39b | 169 | extern int __gnat_stat (char *, |
f6c7fcc0 | 170 | GNAT_STRUCT_STAT *); |
991395ab AC |
171 | extern int __gnat_unlink (char *); |
172 | extern int __gnat_rename (char *, char *); | |
4e0079cc | 173 | extern int __gnat_chdir (char *); |
468ee337 | 174 | extern int __gnat_rmdir (char *); |
991395ab | 175 | |
4d49c6e1 | 176 | extern FILE *__gnat_fopen (char *, char *, int); |
d7598e11 | 177 | extern FILE *__gnat_freopen (char *, char *, FILE *, |
4d49c6e1 | 178 | int); |
479f9059 | 179 | extern int __gnat_open (char *, int); |
fbf5a39b AC |
180 | extern int __gnat_open_read (char *, int); |
181 | extern int __gnat_open_rw (char *, int); | |
182 | extern int __gnat_open_create (char *, int); | |
e6f69614 | 183 | extern int __gnat_create_output_file (char *); |
fb468a94 AC |
184 | extern int __gnat_create_output_file_new (char *); |
185 | ||
fbf5a39b | 186 | extern int __gnat_open_append (char *, int); |
935a9145 | 187 | extern long __gnat_file_length_long (int); |
148c744a PO |
188 | extern __int64 __gnat_file_length (int); |
189 | extern __int64 __gnat_named_file_length (char *); | |
fbf5a39b | 190 | extern void __gnat_tmp_name (char *); |
0022d9e3 PO |
191 | extern DIR *__gnat_opendir (char *); |
192 | extern char *__gnat_readdir (DIR *, char *, int *); | |
193 | extern int __gnat_closedir (DIR *); | |
fbf5a39b | 194 | extern int __gnat_readdir_is_thread_safe (void); |
aa720a54 AC |
195 | |
196 | extern OS_Time __gnat_file_time_name (char *); | |
197 | extern OS_Time __gnat_file_time_fd (int); | |
198 | /* return -1 in case of error */ | |
199 | ||
fbf5a39b | 200 | extern void __gnat_set_file_time_name (char *, time_t); |
0022d9e3 | 201 | |
48263c9a EB |
202 | extern int __gnat_dup (int); |
203 | extern int __gnat_dup2 (int, int); | |
204 | extern int __gnat_file_exists (char *); | |
205 | extern int __gnat_is_regular_file (char *); | |
206 | extern int __gnat_is_absolute_path (char *,int); | |
207 | extern int __gnat_is_directory (char *); | |
fbf5a39b AC |
208 | extern int __gnat_is_writable_file (char *); |
209 | extern int __gnat_is_readable_file (char *name); | |
48263c9a | 210 | extern int __gnat_is_executable_file (char *name); |
0640c7d1 AC |
211 | extern int __gnat_is_write_accessible_file (char *name); |
212 | extern int __gnat_is_read_accessible_file (char *name); | |
48263c9a | 213 | |
c6d2191a AC |
214 | extern void __gnat_reset_attributes (struct file_attributes *); |
215 | extern int __gnat_error_attributes (struct file_attributes *); | |
148c744a | 216 | extern __int64 __gnat_file_length_attr (int, char *, struct file_attributes *); |
48263c9a EB |
217 | extern OS_Time __gnat_file_time_name_attr (char *, struct file_attributes *); |
218 | extern OS_Time __gnat_file_time_fd_attr (int, struct file_attributes *); | |
219 | extern int __gnat_file_exists_attr (char *, struct file_attributes *); | |
220 | extern int __gnat_is_regular_file_attr (char *, struct file_attributes *); | |
221 | extern int __gnat_is_directory_attr (char *, struct file_attributes *); | |
222 | extern int __gnat_is_readable_file_attr (char *, struct file_attributes *); | |
223 | extern int __gnat_is_writable_file_attr (char *, struct file_attributes *); | |
224 | extern int __gnat_is_executable_file_attr (char *, struct file_attributes *); | |
225 | extern int __gnat_is_symbolic_link_attr (char *, struct file_attributes *); | |
226 | ||
8b79ad42 | 227 | extern void __gnat_set_non_writable (char *name); |
fbf5a39b | 228 | extern void __gnat_set_writable (char *name); |
d2d8b2a7 | 229 | extern void __gnat_set_executable (char *name, int); |
43540ec6 AC |
230 | extern void __gnat_set_readable (char *name); |
231 | extern void __gnat_set_non_readable (char *name); | |
fbf5a39b AC |
232 | extern int __gnat_is_symbolic_link (char *name); |
233 | extern int __gnat_portable_spawn (char *[]); | |
234 | extern int __gnat_portable_no_block_spawn (char *[]); | |
235 | extern int __gnat_portable_wait (int *); | |
36357cf3 | 236 | extern int __gnat_portable_no_block_wait (int *); |
876f1624 | 237 | extern int __gnat_current_process_id (void); |
fbf5a39b | 238 | extern char *__gnat_locate_exec (char *, char *); |
876f1624 | 239 | extern char *__gnat_locate_exec_on_path (char *); |
fbf5a39b AC |
240 | extern char *__gnat_locate_regular_file (char *, char *); |
241 | extern void __gnat_maybe_glob_args (int *, char ***); | |
242 | extern void __gnat_os_exit (int); | |
fbf5a39b AC |
243 | extern char *__gnat_get_libraries_from_registry (void); |
244 | extern int __gnat_to_canonical_file_list_init (char *, int); | |
245 | extern char *__gnat_to_canonical_file_list_next (void); | |
246 | extern void __gnat_to_canonical_file_list_free (void); | |
247 | extern char *__gnat_to_canonical_dir_spec (char *, int); | |
248 | extern char *__gnat_to_canonical_file_spec (char *); | |
249 | extern char *__gnat_to_host_dir_spec (char *, int); | |
250 | extern char *__gnat_to_host_file_spec (char *); | |
251 | extern char *__gnat_to_canonical_path_spec (char *); | |
252 | extern void __gnat_adjust_os_resource_limits (void); | |
fa5537cb | 253 | extern void convert_addresses (const char *, void *, int, |
fbf5a39b AC |
254 | void *, int *); |
255 | extern int __gnat_copy_attribs (char *, char *, int); | |
256 | extern int __gnat_feof (FILE *); | |
257 | extern int __gnat_ferror (FILE *); | |
258 | extern int __gnat_fileno (FILE *); | |
259 | extern int __gnat_is_regular_file_fd (int); | |
260 | extern FILE *__gnat_constant_stderr (void); | |
261 | extern FILE *__gnat_constant_stdin (void); | |
262 | extern FILE *__gnat_constant_stdout (void); | |
263 | extern char *__gnat_full_name (char *, char *); | |
d23b8f57 | 264 | |
fbf5a39b AC |
265 | extern int __gnat_arg_count (void); |
266 | extern int __gnat_len_arg (int); | |
267 | extern void __gnat_fill_arg (char *, int); | |
268 | extern int __gnat_env_count (void); | |
269 | extern int __gnat_len_env (int); | |
270 | extern void __gnat_fill_env (char *, int); | |
d23b8f57 RK |
271 | |
272 | /* Routines for interface to scanf and printf functions for integer values */ | |
273 | ||
fbf5a39b AC |
274 | extern int get_int (void); |
275 | extern void put_int (int); | |
276 | extern void put_int_stderr (int); | |
277 | extern int get_char (void); | |
278 | extern void put_char (int); | |
279 | extern void put_char_stderr (int); | |
280 | extern char *mktemp (char *); | |
d23b8f57 | 281 | |
fbf5a39b | 282 | extern void __gnat_set_exit_status (int); |
d23b8f57 | 283 | |
fbf5a39b AC |
284 | extern int __gnat_expect_fork (void); |
285 | extern void __gnat_expect_portable_execvp (char *, char *[]); | |
286 | extern int __gnat_pipe (int *); | |
287 | extern int __gnat_expect_poll (int *, int, int, int *); | |
288 | extern void __gnat_set_binary_mode (int); | |
289 | extern void __gnat_set_text_mode (int); | |
18f2c460 | 290 | extern void __gnat_set_mode (int,int); |
fbf5a39b | 291 | extern char *__gnat_ttyname (int); |
efdfd311 | 292 | extern int __gnat_lseek (int, long, int); |
cc892b2c | 293 | extern int __gnat_set_close_on_exec (int, int); |
f5a0cbf1 AC |
294 | extern int __gnat_dup (int); |
295 | extern int __gnat_dup2 (int, int); | |
d23b8f57 | 296 | |
fd7215d7 AC |
297 | /* large file support */ |
298 | extern __int64 __gnat_ftell64 (FILE *); | |
299 | extern int __gnat_fseek64 (FILE *, __int64, int); | |
300 | ||
7a259f2e VC |
301 | extern int __gnat_number_of_cpus (void); |
302 | ||
d7598e11 PO |
303 | extern void __gnat_os_filename (char *, char *, char *, |
304 | int *, char *, int *); | |
b7c9777e AC |
305 | |
306 | extern char * __gnat_locate_executable_file (char *, char *); | |
307 | extern char * __gnat_locate_file_with_predicate (char *, char *, | |
308 | int (*)(char*)); | |
309 | ||
3c55062f | 310 | #if defined (__ANDROID__) |
329be64b | 311 | #undef __linux__ |
3c55062f BB |
312 | extern void *__gnat_lwp_self (void); |
313 | ||
329be64b | 314 | #elif defined (__linux__) |
9549767b | 315 | extern void *__gnat_lwp_self (void); |
6b81741c AC |
316 | |
317 | /* Routines for interface to required CPU set primitives */ | |
318 | ||
319 | #include <sched.h> | |
320 | ||
9d1e0e72 JR |
321 | extern cpu_set_t *__gnat_cpu_alloc (size_t); |
322 | extern size_t __gnat_cpu_alloc_size (size_t); | |
9f55bc62 | 323 | extern void __gnat_cpu_free (cpu_set_t *); |
9d1e0e72 JR |
324 | extern void __gnat_cpu_zero (size_t, cpu_set_t *); |
325 | extern void __gnat_cpu_set (int, size_t, cpu_set_t *); | |
9549767b | 326 | #endif |
d7598e11 | 327 | |
75069667 VF |
328 | #if defined (_WIN32) |
329 | /* Interface to delete a handle from internally maintained list of child | |
330 | process handles on Windows */ | |
6c802906 | 331 | extern int |
75069667 | 332 | __gnat_win32_remove_handle (HANDLE h, int pid); |
fbf5a39b | 333 | #endif |
437026ef | 334 | |
d23b8f57 RK |
335 | #ifdef IN_RTS |
336 | /* Portable definition of strdup, which is not available on all systems. */ | |
337 | #define xstrdup(S) strcpy ((char *) malloc (strlen (S) + 1), S) | |
338 | #endif | |
fbf5a39b AC |
339 | |
340 | /* This function returns the version of GCC being used. Here it's GCC 3. */ | |
d7598e11 | 341 | extern int get_gcc_version (void); |
fbf5a39b | 342 | |
d7598e11 PO |
343 | extern int __gnat_binder_supports_auto_init (void); |
344 | extern int __gnat_sals_init_using_constructors (void); | |
9e9bd455 | 345 | |
747412b8 AC |
346 | extern const void * __gnat_get_executable_load_address (void); |
347 | ||
9e9bd455 LG |
348 | #ifdef __cplusplus |
349 | } | |
350 | #endif |