1 /****************************************************************************
2  *                                                                          *
3  *                         GNAT COMPILER COMPONENTS                         *
4  *                                                                          *
5  *                               A D A I N T                                *
6  *                                                                          *
7  *                              C Header File                               *
8  *                                                                          *
9  *          Copyright (C) 1992-2003 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 2,  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.  See the GNU General Public License *
17  * for  more details.  You should have  received  a copy of the GNU General *
18  * Public License  distributed with GNAT;  see file COPYING.  If not, write *
19  * to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, *
20  * MA 02111-1307, USA.                                                      *
21  *                                                                          *
22  * As a  special  exception,  if you  link  this file  with other  files to *
23  * produce an executable,  this file does not by itself cause the resulting *
24  * executable to be covered by the GNU General Public License. This except- *
25  * ion does not  however invalidate  any other reasons  why the  executable *
26  * file might be covered by the  GNU Public License.                        *
27  *                                                                          *
28  * GNAT was originally developed  by the GNAT team at  New York University. *
29  * Extensive contributions were provided by Ada Core Technologies Inc.      *
30  *                                                                          *
31  ****************************************************************************/
32 
33 #include <stdio.h>
34 #include <dirent.h>
35 
36 typedef long OS_Time; /* Type corresponding to GNAT.OS_Lib.OS_Time */
37 
38 extern int    __gnat_max_path_len;
39 extern void   __gnat_to_gm_time			   (OS_Time *, int *,
40 						    int *, int *,
41 						    int *, int *,
42 						    int *);
43 extern int    __gnat_get_maximum_file_name_length  (void);
44 extern int    __gnat_get_switches_case_sensitive   (void);
45 extern int    __gnat_get_file_names_case_sensitive (void);
46 extern char   __gnat_get_default_identifier_character_set (void);
47 extern void   __gnat_get_current_dir		   (char *, int *);
48 extern void   __gnat_get_object_suffix_ptr         (int *,
49 						    const char **);
50 extern void   __gnat_get_executable_suffix_ptr     (int *,
51 						    const char **);
52 extern void   __gnat_get_debuggable_suffix_ptr     (int *,
53 						    const char **);
54 extern int    __gnat_readlink			   (char *, char *,
55 						    size_t);
56 extern int    __gnat_symlink                       (char *, char *);
57 extern int    __gnat_try_lock                      (char *, char *);
58 extern int    __gnat_open_new                      (char *, int);
59 extern int    __gnat_open_new_temp		   (char *, int);
60 extern int    __gnat_mkdir			   (char *);
61 extern int    __gnat_stat			   (char *,
62 						    struct stat *);
63 extern int    __gnat_open_read                     (char *, int);
64 extern int    __gnat_open_rw                       (char *, int);
65 extern int    __gnat_open_create                   (char *, int);
66 extern int    __gnat_open_append                   (char *, int);
67 extern long   __gnat_file_length                   (int);
68 extern void   __gnat_tmp_name			   (char *);
69 extern char  *__gnat_readdir                       (DIR *, char *);
70 extern int    __gnat_readdir_is_thread_safe        (void);
71 extern time_t __gnat_file_time_name                (char *);
72 extern time_t __gnat_file_time_fd                  (int);
73 extern void   __gnat_set_file_time_name		   (char *, time_t);
74 extern void   __gnat_get_env_value_ptr             (char *, int *,
75 						    char **);
76 extern int    __gnat_file_exists		   (char *);
77 extern int    __gnat_is_regular_file               (char *);
78 extern int    __gnat_is_absolute_path              (char *);
79 extern int    __gnat_is_directory		   (char *);
80 extern int    __gnat_is_writable_file		   (char *);
81 extern int    __gnat_is_readable_file		   (char *name);
82 extern void   __gnat_set_readonly                  (char *name);
83 extern void   __gnat_set_writable                  (char *name);
84 extern int    __gnat_is_symbolic_link		   (char *name);
85 extern int    __gnat_portable_spawn                (char *[]);
86 extern int    __gnat_portable_no_block_spawn       (char *[]);
87 extern int    __gnat_portable_wait                 (int *);
88 extern int    __gnat_waitpid			   (int);
89 extern char  *__gnat_locate_exec                   (char *, char *);
90 extern char  *__gnat_locate_exec_on_path	   (char *);
91 extern char  *__gnat_locate_regular_file           (char *, char *);
92 extern void   __gnat_maybe_glob_args               (int *, char ***);
93 extern void   __gnat_os_exit			   (int);
94 extern void   __gnat_set_env_value		   (char *, char *);
95 extern char  *__gnat_get_libraries_from_registry   (void);
96 extern int    __gnat_to_canonical_file_list_init   (char *, int);
97 extern char  *__gnat_to_canonical_file_list_next   (void);
98 extern void   __gnat_to_canonical_file_list_free   (void);
99 extern char  *__gnat_to_canonical_dir_spec         (char *, int);
100 extern char  *__gnat_to_canonical_file_spec        (char *);
101 extern char  *__gnat_to_host_dir_spec              (char *, int);
102 extern char  *__gnat_to_host_file_spec             (char *);
103 extern char  *__gnat_to_canonical_path_spec	   (char *);
104 extern void   __gnat_adjust_os_resource_limits	   (void);
105 extern void   convert_addresses			   (void *, int,
106 						    void *, int *);
107 extern int    __gnat_copy_attribs		   (char *, char *, int);
108 extern int    __gnat_feof		  	   (FILE *);
109 extern int    __gnat_ferror                        (FILE *);
110 extern int    __gnat_fileno		  	   (FILE *);
111 extern int    __gnat_is_regular_file_fd  	   (int);
112 extern FILE  *__gnat_constant_stderr	  	   (void);
113 extern FILE  *__gnat_constant_stdin	  	   (void);
114 extern FILE  *__gnat_constant_stdout	  	   (void);
115 extern char  *__gnat_full_name		  	   (char *, char *);
116 
117 extern int    __gnat_arg_count			   (void);
118 extern int    __gnat_len_arg			   (int);
119 extern void   __gnat_fill_arg			   (char *, int);
120 extern int    __gnat_env_count			   (void);
121 extern int    __gnat_len_env			   (int);
122 extern void   __gnat_fill_env			   (char *, int);
123 
124 /* Routines for interface to scanf and printf functions for integer values */
125 
126 extern int    get_int				   (void);
127 extern void   put_int				   (int);
128 extern void   put_int_stderr			   (int);
129 extern int    get_char				   (void);
130 extern void   put_char				   (int);
131 extern void   put_char_stderr			   (int);
132 extern char  *mktemp				   (char *);
133 
134 extern void   __gnat_set_exit_status		   (int);
135 
136 extern int    __gnat_expect_fork		   (void);
137 extern void   __gnat_expect_portable_execvp	   (char *, char *[]);
138 extern int    __gnat_pipe			   (int *);
139 extern int    __gnat_expect_poll		   (int *, int, int, int *);
140 extern void   __gnat_set_binary_mode		   (int);
141 extern void   __gnat_set_text_mode		   (int);
142 extern char  *__gnat_ttyname			   (int);
143 extern int    __gnat_lseek			   (int, long, int);
144 
145 #ifdef __MINGW32__
146 extern void   __gnat_plist_init                    (void);
147 #endif
148 
149 #ifdef IN_RTS
150 /* Portable definition of strdup, which is not available on all systems.  */
151 #define xstrdup(S)  strcpy ((char *) malloc (strlen (S) + 1), S)
152 #endif
153 
154 /* This function returns the version of GCC being used.  Here it's GCC 3.  */
155 extern int get_gcc_version		     (void);
156 
157 /* This function offers a hook for libgnarl to set the
158    locking subprograms for libgcc_eh. */
159 extern void __gnatlib_install_locks	     (void (*) (void),
160 					      void (*) (void));
161