1 /**************************************************************************** 2 * * 3 * GNAT COMPILER COMPONENTS * 4 * * 5 * A D A I N T * 6 * * 7 * C Header File * 8 * * 9 * Copyright (C) 1992-2019, Free Software Foundation, Inc. * 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- * 13 * ware Foundation; either version 3, or (at your option) any later ver- * 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 * 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/>. * 26 * * 27 * GNAT was originally developed by the GNAT team at New York University. * 28 * Extensive contributions were provided by Ada Core Technologies Inc. * 29 * * 30 ****************************************************************************/ 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 #include <sys/stat.h> 37 #include <stdio.h> 38 39 #if defined (_WIN32) || defined (__CYGWIN__) 40 #include "mingw32.h" 41 #endif 42 43 #include <dirent.h> 44 45 /* Constants used for the form parameter encoding values */ 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. */ 49 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. */ 53 54 #if defined (__GLIBC__) || defined (__sun__) || defined (__QNX__) 55 #define GNAT_FOPEN fopen64 56 #define GNAT_OPEN open64 57 #define GNAT_STAT stat64 58 #define GNAT_FSTAT fstat64 59 #define GNAT_LSTAT lstat64 60 #define GNAT_STRUCT_STAT struct stat64 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 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 94 #else 95 #define GNAT_FOPEN fopen 96 #define GNAT_OPEN open 97 #define GNAT_STAT stat 98 #define GNAT_FSTAT fstat 99 #define GNAT_LSTAT lstat 100 #define GNAT_STRUCT_STAT struct stat 101 #endif 102 103 /* 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 109 110 #define __int64 long long 111 GNAT_STRUCT_STAT; 112 113 /* 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 { 119 int error; 120 /* Errno value returned by stat()/fstat(). If non-zero, other fields should 121 * be considered as invalid. 122 */ 123 124 unsigned char exists; 125 126 unsigned char writable; 127 unsigned char readable; 128 unsigned char executable; 129 130 unsigned char symbolic_link; 131 unsigned char regular; 132 unsigned char directory; 133 134 OS_Time timestamp; 135 __int64 file_length; 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 */ 141 142 extern int __gnat_max_path_len; 143 extern OS_Time __gnat_current_time (void); 144 extern void __gnat_current_time_string (char *); 145 extern void __gnat_to_gm_time (OS_Time *, int *, int *, 146 int *, int *, 147 int *, int *); 148 extern void __gnat_to_os_time (OS_Time *, int, int, int, 149 int, int, int); 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); 153 extern int __gnat_get_env_vars_case_sensitive (void); 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); 168 extern int __gnat_mkdir (char *, int); 169 extern int __gnat_stat (char *, 170 GNAT_STRUCT_STAT *); 171 extern int __gnat_unlink (char *); 172 extern int __gnat_rename (char *, char *); 173 extern int __gnat_chdir (char *); 174 extern int __gnat_rmdir (char *); 175 176 extern FILE *__gnat_fopen (char *, char *, int); 177 extern FILE *__gnat_freopen (char *, char *, FILE *, 178 int); 179 extern int __gnat_open (char *, int); 180 extern int __gnat_open_read (char *, int); 181 extern int __gnat_open_rw (char *, int); 182 extern int __gnat_open_create (char *, int); 183 extern int __gnat_create_output_file (char *); 184 extern int __gnat_create_output_file_new (char *); 185 186 extern int __gnat_open_append (char *, int); 187 extern long __gnat_file_length_long (int); 188 extern __int64 __gnat_file_length (int); 189 extern __int64 __gnat_named_file_length (char *); 190 extern void __gnat_tmp_name (char *); 191 extern DIR *__gnat_opendir (char *); 192 extern char *__gnat_readdir (DIR *, char *, int *); 193 extern int __gnat_closedir (DIR *); 194 extern int __gnat_readdir_is_thread_safe (void); 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 */ 199 200 extern void __gnat_set_file_time_name (char *, time_t); 201 202 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 *); 208 extern int __gnat_is_writable_file (char *); 209 extern int __gnat_is_readable_file (char *name); 210 extern int __gnat_is_executable_file (char *name); 211 extern int __gnat_is_write_accessible_file (char *name); 212 extern int __gnat_is_read_accessible_file (char *name); 213 214 extern void __gnat_reset_attributes (struct file_attributes *); 215 extern int __gnat_error_attributes (struct file_attributes *); 216 extern __int64 __gnat_file_length_attr (int, char *, struct file_attributes *); 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 *); 226 227 extern void __gnat_set_non_writable (char *name); 228 extern void __gnat_set_writable (char *name); 229 extern void __gnat_set_executable (char *name, int); 230 extern void __gnat_set_readable (char *name); 231 extern void __gnat_set_non_readable (char *name); 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 *); 236 extern int __gnat_portable_no_block_wait (int *); 237 extern int __gnat_current_process_id (void); 238 extern char *__gnat_locate_exec (char *, char *); 239 extern char *__gnat_locate_exec_on_path (char *); 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); 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); 253 extern void convert_addresses (const char *, void *, int, 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 *); 264 265 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); 271 272 /* Routines for interface to scanf and printf functions for integer values */ 273 274 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 *); 281 282 extern void __gnat_set_exit_status (int); 283 284 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); 290 extern void __gnat_set_mode (int,int); 291 extern char *__gnat_ttyname (int); 292 extern int __gnat_lseek (int, long, int); 293 extern int __gnat_set_close_on_exec (int, int); 294 extern int __gnat_dup (int); 295 extern int __gnat_dup2 (int, int); 296 297 /* large file support */ 298 extern __int64 __gnat_ftell64 (FILE *); 299 extern int __gnat_fseek64 (FILE *, __int64, int); 300 301 extern int __gnat_number_of_cpus (void); 302 303 extern void __gnat_os_filename (char *, char *, char *, 304 int *, char *, int *); 305 306 extern char * __gnat_locate_executable_file (char *, char *); 307 extern char * __gnat_locate_file_with_predicate (char *, char *, 308 int (*)(char*)); 309 310 #if defined (__ANDROID__) 311 #undef __linux__ 312 extern void *__gnat_lwp_self (void); 313 314 #elif defined (__linux__) 315 extern void *__gnat_lwp_self (void); 316 317 /* Routines for interface to required CPU set primitives */ 318 319 #include <sched.h> 320 321 extern cpu_set_t *__gnat_cpu_alloc (size_t); 322 extern size_t __gnat_cpu_alloc_size (size_t); 323 extern void __gnat_cpu_free (cpu_set_t *); 324 extern void __gnat_cpu_zero (size_t, cpu_set_t *); 325 extern void __gnat_cpu_set (int, size_t, cpu_set_t *); 326 #endif 327 328 #if defined (_WIN32) 329 /* Interface to delete a handle from internally maintained list of child 330 process handles on Windows */ 331 extern int 332 __gnat_win32_remove_handle (HANDLE h, int pid); 333 #endif 334 335 #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 339 340 /* This function returns the version of GCC being used. Here it's GCC 3. */ 341 extern int get_gcc_version (void); 342 343 extern int __gnat_binder_supports_auto_init (void); 344 extern int __gnat_sals_init_using_constructors (void); 345 346 extern const void * __gnat_get_executable_load_address (void); 347 348 #ifdef __cplusplus 349 } 350 #endif 351