1 /**************************************************************************** 2 * * 3 * GNAT COMPILER COMPONENTS * 4 * * 5 * A D A I N T * 6 * * 7 * C Header File * 8 * * 9 * Copyright (C) 1992-2012, 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 #ifdef _WIN32 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) 55 #define GNAT_FOPEN fopen64 56 #define GNAT_STAT stat64 57 #define GNAT_FSTAT fstat64 58 #define GNAT_LSTAT lstat64 59 #define GNAT_STRUCT_STAT struct stat64 60 #else 61 #define GNAT_FOPEN fopen 62 #define GNAT_STAT stat 63 #define GNAT_FSTAT fstat 64 #define GNAT_LSTAT lstat 65 #define GNAT_STRUCT_STAT struct stat 66 #endif 67 68 /* Type corresponding to GNAT.OS_Lib.OS_Time */ 69 #if defined (_WIN64) 70 typedef long long OS_Time; 71 #else 72 typedef long OS_Time; 73 #endif 74 75 /* A lazy cache for the attributes of a file. On some systems, a single call to 76 stat() will give all this information, so it is better than doing a system 77 call every time. On other systems this require several system calls. 78 */ 79 80 struct file_attributes { 81 unsigned char exists; 82 83 unsigned char writable; 84 unsigned char readable; 85 unsigned char executable; 86 87 unsigned char symbolic_link; 88 unsigned char regular; 89 unsigned char directory; 90 91 OS_Time timestamp; 92 long file_length; 93 }; 94 /* WARNING: changing the size here might require changing the constant 95 * File_Attributes_Size in osint.ads (which should be big enough to 96 * fit the above struct on any system) 97 */ 98 99 extern int __gnat_max_path_len; 100 extern OS_Time __gnat_current_time (void); 101 extern void __gnat_current_time_string (char *); 102 extern void __gnat_to_gm_time (OS_Time *, int *, int *, 103 int *, int *, 104 int *, int *); 105 extern int __gnat_get_maximum_file_name_length (void); 106 extern int __gnat_get_switches_case_sensitive (void); 107 extern int __gnat_get_file_names_case_sensitive (void); 108 extern int __gnat_get_env_vars_case_sensitive (void); 109 extern char __gnat_get_default_identifier_character_set (void); 110 extern void __gnat_get_current_dir (char *, int *); 111 extern void __gnat_get_object_suffix_ptr (int *, 112 const char **); 113 extern void __gnat_get_executable_suffix_ptr (int *, 114 const char **); 115 extern void __gnat_get_debuggable_suffix_ptr (int *, 116 const char **); 117 extern int __gnat_readlink (char *, char *, 118 size_t); 119 extern int __gnat_symlink (char *, char *); 120 extern int __gnat_try_lock (char *, char *); 121 extern int __gnat_open_new (char *, int); 122 extern int __gnat_open_new_temp (char *, int); 123 extern int __gnat_mkdir (char *, int); 124 extern int __gnat_stat (char *, 125 GNAT_STRUCT_STAT *); 126 extern int __gnat_unlink (char *); 127 extern int __gnat_rename (char *, char *); 128 extern int __gnat_chdir (char *); 129 extern int __gnat_rmdir (char *); 130 131 extern FILE *__gnat_fopen (char *, char *, int); 132 extern FILE *__gnat_freopen (char *, char *, FILE *, 133 int); 134 extern int __gnat_open_read (char *, int); 135 extern int __gnat_open_rw (char *, int); 136 extern int __gnat_open_create (char *, int); 137 extern int __gnat_create_output_file (char *); 138 extern int __gnat_create_output_file_new (char *); 139 140 extern int __gnat_open_append (char *, int); 141 extern long __gnat_file_length (int); 142 extern long __gnat_named_file_length (char *); 143 extern void __gnat_tmp_name (char *); 144 extern DIR *__gnat_opendir (char *); 145 extern char *__gnat_readdir (DIR *, char *, int *); 146 extern int __gnat_closedir (DIR *); 147 extern int __gnat_readdir_is_thread_safe (void); 148 149 extern OS_Time __gnat_file_time_name (char *); 150 extern OS_Time __gnat_file_time_fd (int); 151 /* return -1 in case of error */ 152 153 extern void __gnat_set_file_time_name (char *, time_t); 154 155 extern int __gnat_dup (int); 156 extern int __gnat_dup2 (int, int); 157 extern int __gnat_file_exists (char *); 158 extern int __gnat_is_regular_file (char *); 159 extern int __gnat_is_absolute_path (char *,int); 160 extern int __gnat_is_directory (char *); 161 extern int __gnat_is_writable_file (char *); 162 extern int __gnat_is_readable_file (char *name); 163 extern int __gnat_is_executable_file (char *name); 164 165 extern void __gnat_reset_attributes (struct file_attributes* attr); 166 extern long __gnat_file_length_attr (int, char *, struct file_attributes *); 167 extern OS_Time __gnat_file_time_name_attr (char *, struct file_attributes *); 168 extern OS_Time __gnat_file_time_fd_attr (int, struct file_attributes *); 169 extern int __gnat_file_exists_attr (char *, struct file_attributes *); 170 extern int __gnat_is_regular_file_attr (char *, struct file_attributes *); 171 extern int __gnat_is_directory_attr (char *, struct file_attributes *); 172 extern int __gnat_is_readable_file_attr (char *, struct file_attributes *); 173 extern int __gnat_is_writable_file_attr (char *, struct file_attributes *); 174 extern int __gnat_is_executable_file_attr (char *, struct file_attributes *); 175 extern int __gnat_is_symbolic_link_attr (char *, struct file_attributes *); 176 177 extern void __gnat_set_non_writable (char *name); 178 extern void __gnat_set_writable (char *name); 179 extern void __gnat_set_executable (char *name); 180 extern void __gnat_set_readable (char *name); 181 extern void __gnat_set_non_readable (char *name); 182 extern int __gnat_is_symbolic_link (char *name); 183 extern int __gnat_portable_spawn (char *[]); 184 extern int __gnat_portable_no_block_spawn (char *[]); 185 extern int __gnat_portable_wait (int *); 186 extern char *__gnat_locate_exec (char *, char *); 187 extern char *__gnat_locate_exec_on_path (char *); 188 extern char *__gnat_locate_regular_file (char *, char *); 189 extern void __gnat_maybe_glob_args (int *, char ***); 190 extern void __gnat_os_exit (int); 191 extern char *__gnat_get_libraries_from_registry (void); 192 extern int __gnat_to_canonical_file_list_init (char *, int); 193 extern char *__gnat_to_canonical_file_list_next (void); 194 extern void __gnat_to_canonical_file_list_free (void); 195 extern char *__gnat_to_canonical_dir_spec (char *, int); 196 extern char *__gnat_to_canonical_file_spec (char *); 197 extern char *__gnat_to_host_dir_spec (char *, int); 198 extern char *__gnat_to_host_file_spec (char *); 199 extern char *__gnat_to_canonical_path_spec (char *); 200 extern void __gnat_adjust_os_resource_limits (void); 201 extern void convert_addresses (const char *, void *, int, 202 void *, int *); 203 extern int __gnat_copy_attribs (char *, char *, int); 204 extern int __gnat_feof (FILE *); 205 extern int __gnat_ferror (FILE *); 206 extern int __gnat_fileno (FILE *); 207 extern int __gnat_is_regular_file_fd (int); 208 extern FILE *__gnat_constant_stderr (void); 209 extern FILE *__gnat_constant_stdin (void); 210 extern FILE *__gnat_constant_stdout (void); 211 extern char *__gnat_full_name (char *, char *); 212 213 extern int __gnat_arg_count (void); 214 extern int __gnat_len_arg (int); 215 extern void __gnat_fill_arg (char *, int); 216 extern int __gnat_env_count (void); 217 extern int __gnat_len_env (int); 218 extern void __gnat_fill_env (char *, int); 219 220 /* Routines for interface to scanf and printf functions for integer values */ 221 222 extern int get_int (void); 223 extern void put_int (int); 224 extern void put_int_stderr (int); 225 extern int get_char (void); 226 extern void put_char (int); 227 extern void put_char_stderr (int); 228 extern char *mktemp (char *); 229 230 extern void __gnat_set_exit_status (int); 231 232 extern int __gnat_expect_fork (void); 233 extern void __gnat_expect_portable_execvp (char *, char *[]); 234 extern int __gnat_pipe (int *); 235 extern int __gnat_expect_poll (int *, int, int, int *); 236 extern void __gnat_set_binary_mode (int); 237 extern void __gnat_set_text_mode (int); 238 extern char *__gnat_ttyname (int); 239 extern int __gnat_lseek (int, long, int); 240 extern int __gnat_set_close_on_exec (int, int); 241 extern int __gnat_dup (int); 242 extern int __gnat_dup2 (int, int); 243 244 extern int __gnat_number_of_cpus (void); 245 246 extern void __gnat_os_filename (char *, char *, char *, 247 int *, char *, int *); 248 249 extern char * __gnat_locate_executable_file (char *, char *); 250 extern char * __gnat_locate_file_with_predicate (char *, char *, 251 int (*)(char*)); 252 253 #if defined (__ANDROID__) 254 #undef linux 255 extern void *__gnat_lwp_self (void); 256 257 #elif defined (linux) 258 extern void *__gnat_lwp_self (void); 259 260 /* Routines for interface to required CPU set primitives */ 261 262 #include <sched.h> 263 264 extern cpu_set_t *__gnat_cpu_alloc (size_t); 265 extern size_t __gnat_cpu_alloc_size (size_t); 266 extern void __gnat_cpu_free (cpu_set_t *); 267 extern void __gnat_cpu_zero (size_t, cpu_set_t *); 268 extern void __gnat_cpu_set (int, size_t, cpu_set_t *); 269 #endif 270 271 #if defined (_WIN32) 272 /* Interface to delete a handle from internally maintained list of child 273 process handles on Windows */ 274 extern void 275 __gnat_win32_remove_handle (HANDLE h, int pid); 276 #endif 277 278 #ifdef IN_RTS 279 /* Portable definition of strdup, which is not available on all systems. */ 280 #define xstrdup(S) strcpy ((char *) malloc (strlen (S) + 1), S) 281 #endif 282 283 /* This function returns the version of GCC being used. Here it's GCC 3. */ 284 extern int get_gcc_version (void); 285 286 extern int __gnat_binder_supports_auto_init (void); 287 extern int __gnat_sals_init_using_constructors (void); 288 289 #ifdef __cplusplus 290 } 291 #endif 292