* *
* A D A I N T *
* *
- * *
* C Implementation File *
* *
- * Copyright (C) 1992-2003, Free Software Foundation, Inc. *
+ * Copyright (C) 1992-2005, Free Software Foundation, Inc. *
* *
* GNAT is free software; you can redistribute it and/or modify it under *
* terms of the GNU General Public License as published by the Free Soft- *
#endif /* VxWorks */
+#ifdef VMS
+#define _POSIX_EXIT 1
+#define HOST_EXECUTABLE_SUFFIX ".exe"
+#define HOST_OBJECT_SUFFIX ".obj"
+#endif
+
#ifdef IN_RTS
#include "tconfig.h"
#include "tsystem.h"
+
#include <sys/stat.h>
#include <fcntl.h>
#include <time.h>
+#ifdef VMS
+#include <unixio.h>
+#endif
/* We don't have libiberty, so use malloc. */
#define xmalloc(S) malloc (S)
#include "config.h"
#include "system.h"
#endif
+
+#ifdef __MINGW32__
+#include "mingw32.h"
+#include <sys/utime.h>
+#include <ctype.h>
+#else
+#ifndef VMS
+#include <utime.h>
+#endif
+#endif
+
+#ifdef __MINGW32__
+#if OLD_MINGW
#include <sys/wait.h>
+#endif
+#else
+#include <sys/wait.h>
+#endif
#if defined (__EMX__) || defined (MSDOS) || defined (_WIN32)
#elif defined (VMS)
/* Header files and definitions for __gnat_set_file_time_name. */
-#include <rms.h>
-#include <atrdef.h>
-#include <fibdef.h>
-#include <stsdef.h>
-#include <iodef.h>
+#include <vms/rms.h>
+#include <vms/atrdef.h>
+#include <vms/fibdef.h>
+#include <vms/stsdef.h>
+#include <vms/iodef.h>
#include <errno.h>
-#include <descrip.h>
+#include <vms/descrip.h>
#include <string.h>
#include <unixlib.h>
/* I/O Status Block. */
struct IOSB
-{
+{
unsigned short status, count;
unsigned long devdep;
};
#if defined (_WIN32)
#include <dir.h>
#include <windows.h>
+#undef DIR_SEPARATOR
+#define DIR_SEPARATOR '\\'
#endif
#include "adaint.h"
const int __gnat_vmsp = 0;
#endif
-/* This variable is used to export the maximum length of a path name to
- Ada code. */
-
#ifdef __EMX__
-int __gnat_max_path_len = _MAX_PATH;
+#define GNAT_MAX_PATH_LEN MAX_PATH
#elif defined (VMS)
-int __gnat_max_path_len = 4096; /* PATH_MAX */
+#define GNAT_MAX_PATH_LEN 256 /* PATH_MAX */
#elif defined (__vxworks) || defined (__OPENNT)
-int __gnat_max_path_len = PATH_MAX;
+#define GNAT_MAX_PATH_LEN PATH_MAX
#else
+
+#if defined (__MINGW32__)
+#include "mingw32.h"
+
+#if OLD_MINGW
#include <sys/param.h>
-int __gnat_max_path_len = MAXPATHLEN;
+#endif
+
+#else
+#include <sys/param.h>
+#endif
+
+#define GNAT_MAX_PATH_LEN MAXPATHLEN
#endif
+/* The __gnat_max_path_len variable is used to export the maximum
+ length of a path name to Ada code. max_path_len is also provided
+ for compatibility with older GNAT versions, please do not use
+ it. */
+
+int __gnat_max_path_len = GNAT_MAX_PATH_LEN;
+int max_path_len = GNAT_MAX_PATH_LEN;
+
/* The following macro HAVE_READDIR_R should be defined if the
system provides the routine readdir_r. */
#undef HAVE_READDIR_R
\f
+#if defined(VMS) && defined (__LONG_POINTERS)
+
+/* Return a 32 bit pointer to an array of 32 bit pointers
+ given a 64 bit pointer to an array of 64 bit pointers */
+
+typedef __char_ptr32 *__char_ptr_char_ptr32 __attribute__ ((mode (SI)));
+
+static __char_ptr_char_ptr32
+to_ptr32 (char **ptr64)
+{
+ int argc;
+ __char_ptr_char_ptr32 short_argv;
+
+ for (argc=0; ptr64[argc]; argc++);
+
+ /* Reallocate argv with 32 bit pointers. */
+ short_argv = (__char_ptr_char_ptr32) decc$malloc
+ (sizeof (__char_ptr32) * (argc + 1));
+
+ for (argc=0; ptr64[argc]; argc++)
+ short_argv[argc] = (__char_ptr32) decc$strdup (ptr64[argc]);
+
+ short_argv[argc] = (__char_ptr32) 0;
+ return short_argv;
+
+}
+#define MAYBE_TO_PTR32(argv) to_ptr32 (argv)
+#else
+#define MAYBE_TO_PTR32(argv) argv
+#endif
+
void
-__gnat_to_gm_time (p_time, p_year, p_month, p_day, p_hours, p_mins, p_secs)
- int *p_time, *p_year, *p_month, *p_day, *p_hours, *p_mins, *p_secs;
+__gnat_to_gm_time
+ (OS_Time *p_time,
+ int *p_year,
+ int *p_month,
+ int *p_day,
+ int *p_hours,
+ int *p_mins,
+ int *p_secs)
{
struct tm *res;
- time_t time = *p_time;
+ time_t time = (time_t) *p_time;
#ifdef _WIN32
/* On Windows systems, the time is sometimes rounded up to the nearest
time++;
#endif
+#ifdef VMS
+ res = localtime (&time);
+#else
res = gmtime (&time);
+#endif
if (res)
{
of characters of its content in BUF. Otherwise, return -1. For Windows,
OS/2 and vxworks, always return -1. */
-int
-__gnat_readlink (path, buf, bufsiz)
- char *path;
- char *buf;
- size_t bufsiz;
+int
+__gnat_readlink (char *path ATTRIBUTE_UNUSED,
+ char *buf ATTRIBUTE_UNUSED,
+ size_t bufsiz ATTRIBUTE_UNUSED)
{
#if defined (MSDOS) || defined (_WIN32) || defined (__EMX__)
return -1;
Interix and VMS, always return -1. */
int
-__gnat_symlink (oldpath, newpath)
- char *oldpath;
- char *newpath;
+__gnat_symlink (char *oldpath ATTRIBUTE_UNUSED,
+ char *newpath ATTRIBUTE_UNUSED)
{
#if defined (MSDOS) || defined (_WIN32) || defined (__EMX__)
return -1;
/* Version that does not use link. */
int
-__gnat_try_lock (dir, file)
- char *dir;
- char *file;
+__gnat_try_lock (char *dir, char *file)
{
char full_path[256];
int fd;
line problem ??? */
int
-__gnat_try_lock (dir, file)
- char *dir;
- char *file;
+__gnat_try_lock (char *dir, char *file)
{
char full_path[256];
int fd;
#else
/* Version using link(), more secure over NFS. */
+/* See TN 6913-016 for discussion ??? */
int
-__gnat_try_lock (dir, file)
- char *dir;
- char *file;
+__gnat_try_lock (char *dir, char *file)
{
char full_path[256];
char temp_file[256];
int fd;
sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file);
- sprintf (temp_file, "%s-%ld-%ld", dir, (long) getpid(), (long) getppid ());
+ sprintf (temp_file, "%s%cTMP-%ld-%ld",
+ dir, DIR_SEPARATOR, (long)getpid(), (long)getppid ());
/* Create the temporary file and write the process number. */
fd = open (temp_file, O_CREAT | O_WRONLY, 0600);
/* Return the maximum file name length. */
int
-__gnat_get_maximum_file_name_length ()
+__gnat_get_maximum_file_name_length (void)
{
#if defined (MSDOS)
return 8;
/* Return nonzero if file names are case sensitive. */
int
-__gnat_get_file_names_case_sensitive ()
+__gnat_get_file_names_case_sensitive (void)
{
#if defined (__EMX__) || defined (MSDOS) || defined (VMS) || defined (WINNT)
return 0;
}
char
-__gnat_get_default_identifier_character_set ()
+__gnat_get_default_identifier_character_set (void)
{
#if defined (__EMX__) || defined (MSDOS)
return 'p';
/* Return the current working directory. */
void
-__gnat_get_current_dir (dir, length)
- char *dir;
- int *length;
+__gnat_get_current_dir (char *dir, int *length)
{
#ifdef VMS
/* Force Unix style, which is what GNAT uses internally. */
*length = strlen (dir);
- dir[*length] = DIR_SEPARATOR;
- ++*length;
+ if (dir [*length - 1] != DIR_SEPARATOR)
+ {
+ dir [*length] = DIR_SEPARATOR;
+ ++(*length);
+ }
dir[*length] = '\0';
}
/* Return the suffix for object files. */
void
-__gnat_get_object_suffix_ptr (len, value)
- int *len;
- const char **value;
+__gnat_get_object_suffix_ptr (int *len, const char **value)
{
*value = HOST_OBJECT_SUFFIX;
/* Return the suffix for executable files. */
void
-__gnat_get_executable_suffix_ptr (len, value)
- int *len;
- const char **value;
+__gnat_get_executable_suffix_ptr (int *len, const char **value)
{
*value = HOST_EXECUTABLE_SUFFIX;
if (!*value)
executable extension. */
void
-__gnat_get_debuggable_suffix_ptr (len, value)
- int *len;
- const char **value;
+__gnat_get_debuggable_suffix_ptr (int *len, const char **value)
{
#ifndef MSDOS
*value = HOST_EXECUTABLE_SUFFIX;
}
int
-__gnat_open_read (path, fmode)
- char *path;
- int fmode;
+__gnat_open_read (char *path, int fmode)
{
int fd;
int o_fmode = O_BINARY;
return fd < 0 ? -1 : fd;
}
-#if defined (__EMX__)
+#if defined (__EMX__) || defined (__MINGW32__)
#define PERM (S_IREAD | S_IWRITE)
+#elif defined (VMS)
+/* Excerpt from DECC C RTL Reference Manual:
+ To create files with OpenVMS RMS default protections using the UNIX
+ system-call functions umask, mkdir, creat, and open, call mkdir, creat,
+ and open with a file-protection mode argument of 0777 in a program
+ that never specifically calls umask. These default protections include
+ correctly establishing protections based on ACLs, previous versions of
+ files, and so on. */
+#define PERM 0777
#else
#define PERM (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)
#endif
int
-__gnat_open_rw (path, fmode)
- char *path;
- int fmode;
+__gnat_open_rw (char *path, int fmode)
{
int fd;
int o_fmode = O_BINARY;
}
int
-__gnat_open_create (path, fmode)
- char *path;
- int fmode;
+__gnat_open_create (char *path, int fmode)
{
int fd;
int o_fmode = O_BINARY;
}
int
-__gnat_open_append (path, fmode)
- char *path;
- int fmode;
+__gnat_create_output_file (char *path)
+{
+ int fd;
+#if defined (VMS)
+ fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM,
+ "rfm=stmlf", "ctx=rec", "rat=none", "rop=nlk",
+ "shr=del,get,put,upd");
+#else
+ fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM);
+#endif
+
+ return fd < 0 ? -1 : fd;
+}
+
+int
+__gnat_open_append (char *path, int fmode)
{
int fd;
int o_fmode = O_BINARY;
/* Open a new file. Return error (-1) if the file already exists. */
int
-__gnat_open_new (path, fmode)
- char *path;
- int fmode;
+__gnat_open_new (char *path, int fmode)
{
int fd;
int o_fmode = O_BINARY;
processes, however they really slow down output. Used in gnatchop. */
int
-__gnat_open_new_temp (path, fmode)
- char *path;
- int fmode;
+__gnat_open_new_temp (char *path, int fmode)
{
int fd;
int o_fmode = O_BINARY;
strcpy (path, "GNAT-XXXXXX");
-#if defined (linux) && !defined (__vxworks)
+#if (defined (__FreeBSD__) || defined (linux)) && !defined (__vxworks)
return mkstemp (path);
#elif defined (__Lynx__)
mktemp (path);
/* Return the number of bytes in the specified file. */
long
-__gnat_file_length (fd)
- int fd;
+__gnat_file_length (int fd)
{
int ret;
struct stat statbuf;
return (statbuf.st_size);
}
+/* Return the number of bytes in the specified named file. */
+
+long
+__gnat_named_file_length (char *name)
+{
+ int ret;
+ struct stat statbuf;
+
+ ret = __gnat_stat (name, &statbuf);
+ if (ret || !S_ISREG (statbuf.st_mode))
+ return 0;
+
+ return (statbuf.st_size);
+}
+
/* Create a temporary filename and put it in string pointed to by
TMP_FILENAME. */
void
-__gnat_tmp_name (tmp_filename)
- char *tmp_filename;
+__gnat_tmp_name (char *tmp_filename)
{
#ifdef __MINGW32__
{
pname = (char *) tempnam ("c:\\temp", "gnat-");
+ /* if pname is NULL, the file was not created properly, the disk is full
+ or there is no more free temporary files */
+
+ if (pname == NULL)
+ *tmp_filename = '\0';
+
/* If pname start with a back slash and not path information it means that
the filename is valid for the current working directory. */
- if (pname[0] == '\\')
+ else if (pname[0] == '\\')
{
strcpy (tmp_filename, ".\\");
strcat (tmp_filename, pname+1);
free (pname);
}
-#elif defined (linux)
+#elif defined (linux) || defined (__FreeBSD__)
+#define MAX_SAFE_PATH 1000
char *tmpdir = getenv ("TMPDIR");
- if (tmpdir == NULL)
+ /* If tmpdir is longer than MAX_SAFE_PATH, revert to default value to avoid
+ a buffer overflow. */
+ if (tmpdir == NULL || strlen (tmpdir) > MAX_SAFE_PATH)
strcpy (tmp_filename, "/tmp/gnat-XXXXXX");
else
- sprintf (tmp_filename, "%.200s/gnat-XXXXXX", tmpdir);
+ sprintf (tmp_filename, "%s/gnat-XXXXXX", tmpdir);
close (mkstemp(tmp_filename));
#else
in the buffer. */
char *
-__gnat_readdir (dirp, buffer)
- DIR *dirp;
- char* buffer;
+__gnat_readdir (DIR *dirp, char *buffer)
{
/* If possible, try to use the thread-safe version. */
#ifdef HAVE_READDIR_R
return NULL;
#else
- struct dirent *dirent = readdir (dirp);
+ struct dirent *dirent = (struct dirent *) readdir (dirp);
if (dirent != NULL)
{
/* Returns 1 if readdir is thread safe, 0 otherwise. */
int
-__gnat_readdir_is_thread_safe ()
+__gnat_readdir_is_thread_safe (void)
{
#ifdef HAVE_READDIR_R
return 1;
}
#ifdef _WIN32
+/* Number of seconds between <Jan 1st 1601> and <Jan 1st 1970>. */
+static const unsigned long long w32_epoch_offset = 11644473600ULL;
/* Returns the file modification timestamp using Win32 routines which are
immune against daylight saving time change. It is in fact not possible to
stat structure. */
static time_t
-win32_filetime (h)
- HANDLE h;
+win32_filetime (HANDLE h)
{
- BOOL res;
- FILETIME t_create;
- FILETIME t_access;
- FILETIME t_write;
- unsigned long long timestamp;
-
- /* Number of seconds between <Jan 1st 1601> and <Jan 1st 1970>. */
- unsigned long long offset = 11644473600;
+ union
+ {
+ FILETIME ft_time;
+ unsigned long long ull_time;
+ } t_write;
/* GetFileTime returns FILETIME data which are the number of 100 nanosecs
since <Jan 1st 1601>. This function must return the number of seconds
since <Jan 1st 1970>. */
- res = GetFileTime (h, &t_create, &t_access, &t_write);
-
- timestamp = (((long long) t_write.dwHighDateTime << 32)
- + t_write.dwLowDateTime);
-
- timestamp = timestamp / 10000000 - offset;
-
- return (time_t) timestamp;
+ if (GetFileTime (h, NULL, NULL, &t_write.ft_time))
+ return (time_t) (t_write.ull_time / 10000000ULL
+ - w32_epoch_offset);
+ return (time_t) 0;
}
#endif
/* Return a GNAT time stamp given a file name. */
-time_t
-__gnat_file_time_name (name)
- char *name;
+OS_Time
+__gnat_file_time_name (char *name)
{
- struct stat statbuf;
#if defined (__EMX__) || defined (MSDOS)
int fd = open (name, O_RDONLY | O_BINARY);
time_t ret = __gnat_file_time_fd (fd);
close (fd);
- return ret;
+ return (OS_Time)ret;
#elif defined (_WIN32)
+ time_t ret = 0;
HANDLE h = CreateFile (name, GENERIC_READ, FILE_SHARE_READ, 0,
OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0);
- time_t ret = win32_filetime (h);
- CloseHandle (h);
- return ret;
-#else
- (void) __gnat_stat (name, &statbuf);
+ if (h != INVALID_HANDLE_VALUE)
+ {
+ ret = win32_filetime (h);
+ CloseHandle (h);
+ }
+ return (OS_Time) ret;
+#else
+ struct stat statbuf;
+ if (__gnat_stat (name, &statbuf) != 0) {
+ return (OS_Time)-1;
+ } else {
#ifdef VMS
- /* VMS has file versioning. */
- return statbuf.st_ctime;
+ /* VMS has file versioning. */
+ return (OS_Time)statbuf.st_ctime;
#else
- return statbuf.st_mtime;
+ return (OS_Time)statbuf.st_mtime;
#endif
+ }
#endif
}
/* Return a GNAT time stamp given a file descriptor. */
-time_t
-__gnat_file_time_fd (fd)
- int fd;
+OS_Time
+__gnat_file_time_fd (int fd)
{
/* The following workaround code is due to the fact that under EMX and
DJGPP fstat attempts to convert time values to GMT rather than keep the
tot_secs += file_hour * 3600;
tot_secs += file_min * 60;
tot_secs += file_tsec * 2;
- return tot_secs;
+ return (OS_Time) tot_secs;
#elif defined (_WIN32)
HANDLE h = (HANDLE) _get_osfhandle (fd);
time_t ret = win32_filetime (h);
- return ret;
+ return (OS_Time) ret;
#else
struct stat statbuf;
- (void) fstat (fd, &statbuf);
-
+ if (fstat (fd, &statbuf) != 0) {
+ return (OS_Time) -1;
+ } else {
#ifdef VMS
- /* VMS has file versioning. */
- return statbuf.st_ctime;
+ /* VMS has file versioning. */
+ return (OS_Time) statbuf.st_ctime;
#else
- return statbuf.st_mtime;
+ return (OS_Time) statbuf.st_mtime;
#endif
+ }
#endif
}
/* Set the file time stamp. */
void
-__gnat_set_file_time_name (name, time_stamp)
- char *name;
- time_t time_stamp;
+__gnat_set_file_time_name (char *name, time_t time_stamp)
{
-#if defined (__EMX__) || defined (MSDOS) || defined (_WIN32) \
- || defined (__vxworks)
+#if defined (__EMX__) || defined (MSDOS) || defined (__vxworks)
/* Code to implement __gnat_set_file_time_name for these systems. */
+#elif defined (_WIN32)
+ union
+ {
+ FILETIME ft_time;
+ unsigned long long ull_time;
+ } t_write;
+
+ HANDLE h = CreateFile (name, GENERIC_WRITE, FILE_SHARE_WRITE, NULL,
+ OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS,
+ NULL);
+ if (h == INVALID_HANDLE_VALUE)
+ return;
+ /* Add number of seconds between <Jan 1st 1601> and <Jan 1st 1970> */
+ t_write.ull_time = ((unsigned long long)time_stamp + w32_epoch_offset);
+ /* Convert to 100 nanosecond units */
+ t_write.ull_time *= 10000000ULL;
+
+ SetFileTime(h, NULL, NULL, &t_write.ft_time);
+ CloseHandle (h);
+ return;
+
#elif defined (VMS)
struct FAB fab;
struct NAM nam;
{
time_t t;
- struct tm *ts;
-
- ts = localtime (&time_stamp);
/* Set creation time to requested time. */
- unix_time_to_vms (time_stamp + ts->tm_gmtoff, newtime);
+ unix_time_to_vms (time_stamp, newtime);
t = time ((time_t) 0);
- ts = localtime (&t);
/* Set revision time to now in local time. */
- unix_time_to_vms (t + ts->tm_gmtoff, revtime);
+ unix_time_to_vms (t, revtime);
}
/* Reopen the file, modify the times and then close. */
}
void
-__gnat_get_env_value_ptr (name, len, value)
- char *name;
- int *len;
- char **value;
+__gnat_get_env_value_ptr (char *name, int *len, char **value)
{
*value = getenv (name);
if (!*value)
#ifdef VMS
-static char *to_host_path_spec PARAMS ((char *));
+static char *to_host_path_spec (char *);
struct descriptor_s
{
unsigned short len, mbz;
- char *adr;
+ __char_ptr32 adr;
};
typedef struct _ile3
{
unsigned short len, code;
- char *adr;
+ __char_ptr32 adr;
unsigned short *retlen_adr;
} ile_s;
#endif
void
-__gnat_set_env_value (name, value)
- char *name;
- char *value;
+__gnat_set_env_value (char *name, char *value)
{
#ifdef MSDOS
struct descriptor_s name_desc;
/* Put in JOB table for now, so that the project stuff at least works. */
struct descriptor_s table_desc = {7, 0, "LNM$JOB"};
- char *host_pathspec = to_host_path_spec (value);
+ char *host_pathspec = value;
char *copy_pathspec;
int num_dirs_in_pathspec = 1;
char *ptr;
-
- if (*host_pathspec == 0)
- return;
+ long status;
name_desc.len = strlen (name);
name_desc.mbz = 0;
name_desc.adr = name;
+ if (*host_pathspec == 0)
+ /* deassign */
+ {
+ status = LIB$DELETE_LOGICAL (&name_desc, &table_desc);
+ /* no need to check status; if the logical name is not
+ defined, that's fine. */
+ return;
+ }
+
ptr = host_pathspec;
while (*ptr++)
if (*ptr == ',')
key. */
char *
-__gnat_get_libraries_from_registry ()
+__gnat_get_libraries_from_registry (void)
{
char *result = (char *) "";
{
value_size = name_size = 256;
res = RegEnumValue (reg_key, index, name, &name_size, 0,
- &type, value, &value_size);
+ &type, (LPBYTE)value, &value_size);
if (res == ERROR_SUCCESS && type == REG_SZ)
{
}
int
-__gnat_stat (name, statbuf)
- char *name;
- struct stat *statbuf;
+__gnat_stat (char *name, struct stat *statbuf)
{
#ifdef _WIN32
/* Under Windows the directory name for the stat function must not be
terminated by a directory separator except if just after a drive name. */
int name_len = strlen (name);
char last_char = name[name_len - 1];
- char win32_name[4096];
+ char win32_name[GNAT_MAX_PATH_LEN + 2];
+
+ if (name_len > GNAT_MAX_PATH_LEN)
+ return -1;
strcpy (win32_name, name);
}
int
-__gnat_file_exists (name)
- char *name;
+__gnat_file_exists (char *name)
{
struct stat statbuf;
return !__gnat_stat (name, &statbuf);
}
-int
-__gnat_is_absolute_path (name)
- char *name;
+int
+__gnat_is_absolute_path (char *name, int length)
{
- return (*name == '/' || *name == DIR_SEPARATOR
+ return (length != 0) &&
+ (*name == '/' || *name == DIR_SEPARATOR
#if defined (__EMX__) || defined (MSDOS) || defined (WINNT)
- || strlen (name) > 1 && isalpha (name[0]) && name[1] == ':'
+ || (length > 1 && isalpha (name[0]) && name[1] == ':')
#endif
);
}
int
-__gnat_is_regular_file (name)
- char *name;
+__gnat_is_regular_file (char *name)
{
int ret;
struct stat statbuf;
}
int
-__gnat_is_directory (name)
- char *name;
+__gnat_is_directory (char *name)
{
int ret;
struct stat statbuf;
}
int
-__gnat_is_writable_file (name)
- char *name;
+__gnat_is_readable_file (char *name)
+{
+ int ret;
+ int mode;
+ struct stat statbuf;
+
+ ret = __gnat_stat (name, &statbuf);
+ mode = statbuf.st_mode & S_IRUSR;
+ return (!ret && mode);
+}
+
+int
+__gnat_is_writable_file (char *name)
{
int ret;
int mode;
return (!ret && mode);
}
-#ifdef VMS
-/* Defined in VMS header files. */
-#define fork() (decc$$alloc_vfork_blocks() >= 0 ? \
- LIB$GET_CURRENT_INVO_CONTEXT (decc$$get_vfork_jmpbuf()) : -1)
+void
+__gnat_set_writable (char *name)
+{
+#ifndef __vxworks
+ struct stat statbuf;
+
+ if (stat (name, &statbuf) == 0)
+ {
+ statbuf.st_mode = statbuf.st_mode | S_IWUSR;
+ chmod (name, statbuf.st_mode);
+ }
+#endif
+}
+
+void
+__gnat_set_executable (char *name)
+{
+#ifndef __vxworks
+ struct stat statbuf;
+
+ if (stat (name, &statbuf) == 0)
+ {
+ statbuf.st_mode = statbuf.st_mode | S_IXUSR;
+ chmod (name, statbuf.st_mode);
+ }
+#endif
+}
+
+void
+__gnat_set_readonly (char *name)
+{
+#ifndef __vxworks
+ struct stat statbuf;
+
+ if (stat (name, &statbuf) == 0)
+ {
+ statbuf.st_mode = statbuf.st_mode & 07577;
+ chmod (name, statbuf.st_mode);
+ }
+#endif
+}
+
+int
+__gnat_is_symbolic_link (char *name ATTRIBUTE_UNUSED)
+{
+#if defined (__vxworks)
+ return 0;
+
+#elif defined (_AIX) || defined (__APPLE__) || defined (__unix__)
+ int ret;
+ struct stat statbuf;
+
+ ret = lstat (name, &statbuf);
+ return (!ret && S_ISLNK (statbuf.st_mode));
+
+#else
+ return 0;
#endif
+}
#if defined (sun) && defined (__SVR4)
/* Using fork on Solaris will duplicate all the threads. fork1, which
#endif
int
-__gnat_portable_spawn (args)
- char *args[];
+__gnat_portable_spawn (char *args[])
{
int status = 0;
- int finished;
- int pid;
+ int finished ATTRIBUTE_UNUSED;
+ int pid ATTRIBUTE_UNUSED;
#if defined (MSDOS) || defined (_WIN32)
- status = spawnvp (P_WAIT, args[0], args);
+ /* args[0] must be quotes as it could contain a full pathname with spaces */
+ char *args_0 = args[0];
+ args[0] = (char *)xmalloc (strlen (args_0) + 3);
+ strcpy (args[0], "\"");
+ strcat (args[0], args_0);
+ strcat (args[0], "\"");
+
+ status = spawnvp (P_WAIT, args_0, (const char* const*)args);
+
+ /* restore previous value */
+ free (args[0]);
+ args[0] = (char *)args_0;
+
if (status < 0)
return -1;
else
if (pid == 0)
{
/* The child. */
- if (execv (args[0], args) != 0)
+ if (execv (args[0], MAYBE_TO_PTR32 (args)) != 0)
#if defined (VMS)
return -1; /* execv is in parent context on VMS. */
#else
return 0;
}
+/* Create a copy of the given file descriptor.
+ Return -1 if an error occurred. */
+
+int
+__gnat_dup (int oldfd)
+{
+#if defined (__vxworks)
+ /* Not supported on VxWorks. */
+ return -1;
+#else
+ return dup (oldfd);
+#endif
+}
+
+/* Make newfd be the copy of oldfd, closing newfd first if necessary.
+ Return -1 if an error occurred. */
+
+int
+__gnat_dup2 (int oldfd, int newfd)
+{
+#if defined (__vxworks)
+ /* Not supported on VxWorks. */
+ return -1;
+#else
+ return dup2 (oldfd, newfd);
+#endif
+}
+
/* WIN32 code to implement a wait call that wait for any child process. */
#ifdef _WIN32
static CRITICAL_SECTION plist_cs;
void
-__gnat_plist_init ()
+__gnat_plist_init (void)
{
InitializeCriticalSection (&plist_cs);
}
static void
-plist_enter ()
+plist_enter (void)
{
EnterCriticalSection (&plist_cs);
}
static void
-plist_leave ()
+plist_leave (void)
{
LeaveCriticalSection (&plist_cs);
}
static int plist_length = 0;
static void
-add_handle (h)
- HANDLE h;
+add_handle (HANDLE h)
{
Process_List *pl;
plist_leave();
}
-void remove_handle (h)
- HANDLE h;
+static void
+remove_handle (HANDLE h)
{
- Process_List *pl, *prev;
+ Process_List *pl;
+ Process_List *prev = NULL;
plist_enter();
}
static int
-win32_no_block_spawn (command, args)
- char *command;
- char *args[];
+win32_no_block_spawn (char *command, char *args[])
{
BOOL result;
STARTUPINFO SI;
k++;
}
- result = CreateProcess (NULL, (char *) full_command, &SA, NULL, TRUE,
- NORMAL_PRIORITY_CLASS, NULL, NULL, &SI, &PI);
+ result = CreateProcess
+ (NULL, (char *) full_command, &SA, NULL, TRUE,
+ GetPriorityClass (GetCurrentProcess()), NULL, NULL, &SI, &PI);
free (full_command);
}
static int
-win32_wait (status)
- int *status;
+win32_wait (int *status)
{
DWORD exitcode;
HANDLE *hl;
#endif
int
-__gnat_portable_no_block_spawn (args)
- char *args[];
+__gnat_portable_no_block_spawn (char *args[])
{
int pid = 0;
if (pid == 0)
{
/* The child. */
- if (execv (args[0], args) != 0)
+ if (execv (args[0], MAYBE_TO_PTR32 (args)) != 0)
#if defined (VMS)
return -1; /* execv is in parent context on VMS. */
-#else
+#else
_exit (1);
#endif
}
}
int
-__gnat_portable_wait (process_status)
- int *process_status;
+__gnat_portable_wait (int *process_status)
{
int status = 0;
int pid = 0;
return pid;
}
-int
-__gnat_waitpid (pid)
- int pid;
-{
- int status = 0;
-
-#if defined (_WIN32)
- cwait (&status, pid, _WAIT_CHILD);
-#elif defined (__EMX__) || defined (MSDOS) || defined (__vxworks)
- /* Status is already zero, so nothing to do. */
-#else
- waitpid (pid, &status, 0);
- status = WEXITSTATUS (status);
-#endif
-
- return status;
-}
-
void
-__gnat_os_exit (status)
- int status;
+__gnat_os_exit (int status)
{
-#ifdef VMS
- /* Exit without changing 0 to 1. */
- __posix_exit (status);
-#else
exit (status);
-#endif
}
/* Locate a regular file, give a Path value. */
char *
-__gnat_locate_regular_file (file_name, path_val)
- char *file_name;
- char *path_val;
+__gnat_locate_regular_file (char *file_name, char *path_val)
{
char *ptr;
+ int absolute = __gnat_is_absolute_path (file_name, strlen (file_name));
/* Handle absolute pathnames. */
+ if (absolute)
+ {
+ if (__gnat_is_regular_file (file_name))
+ return xstrdup (file_name);
+
+ return 0;
+ }
+
+ /* If file_name include directory separator(s), try it first as
+ a path name relative to the current directory */
for (ptr = file_name; *ptr && *ptr != '/' && *ptr != DIR_SEPARATOR; ptr++)
;
- if (*ptr != 0
-#if defined (__EMX__) || defined (MSDOS) || defined (WINNT)
- || isalpha (file_name[0]) && file_name[1] == ':'
-#endif
- )
+ if (*ptr != 0)
{
if (__gnat_is_regular_file (file_name))
return xstrdup (file_name);
-
- return 0;
}
if (path_val == 0)
instead. */
char *
-__gnat_locate_exec (exec_name, path_val)
- char *exec_name;
- char *path_val;
+__gnat_locate_exec (char *exec_name, char *path_val)
{
if (!strstr (exec_name, HOST_EXECUTABLE_SUFFIX))
{
/* Locate an executable using the Systems default PATH. */
char *
-__gnat_locate_exec_on_path (exec_name)
- char *exec_name;
+__gnat_locate_exec_on_path (char *exec_name)
{
+ char *apath_val;
#ifdef VMS
char *path_val = "/VAXC$PATH";
#else
char *path_val = getenv ("PATH");
#endif
- char *apath_val = alloca (strlen (path_val) + 1);
+#ifdef _WIN32
+ /* In Win32 systems we expand the PATH as for XP environment
+ variables are not automatically expanded. */
+ int len = strlen (path_val) * 3;
+ char *expanded_path_val = alloca (len + 1);
+ DWORD res = ExpandEnvironmentStrings (path_val, expanded_path_val, len);
+
+ if (res != 0)
+ {
+ path_val = expanded_path_val;
+ }
+#endif
+
+ apath_val = alloca (strlen (path_val) + 1);
strcpy (apath_val, path_val);
+
return __gnat_locate_exec (exec_name, apath_val);
}
/* These functions are used to translate to and from VMS and Unix syntax
file, directory and path specifications. */
+#define MAXPATH 256
#define MAXNAMES 256
#define NEW_CANONICAL_FILELIST_INCREMENT 64
-static char new_canonical_dirspec[255];
-static char new_canonical_filespec[255];
-static char new_canonical_pathspec[MAXNAMES*255];
+static char new_canonical_dirspec [MAXPATH];
+static char new_canonical_filespec [MAXPATH];
+static char new_canonical_pathspec [MAXNAMES*MAXPATH];
static unsigned new_canonical_filelist_index;
static unsigned new_canonical_filelist_in_use;
static unsigned new_canonical_filelist_allocated;
static char **new_canonical_filelist;
-static char new_host_pathspec[MAXNAMES*255];
-static char new_host_dirspec[255];
-static char new_host_filespec[255];
+static char new_host_pathspec [MAXNAMES*MAXPATH];
+static char new_host_dirspec [MAXPATH];
+static char new_host_filespec [MAXPATH];
/* Routine is called repeatedly by decc$from_vms via
- __gnat_to_canonical_file_list_init until it returns 0 or the expansion runs
- out. */
+ __gnat_to_canonical_file_list_init until it returns 0 or the expansion
+ runs out. */
static int
-wildcard_translate_unix (name)
- char *name;
+wildcard_translate_unix (char *name)
{
char *ver;
- char buff[256];
+ char buff [MAXPATH];
- strcpy (buff, name);
+ strncpy (buff, name, MAXPATH);
+ buff [MAXPATH - 1] = (char) 0;
ver = strrchr (buff, '.');
/* Chop off the version. */
one at a time (_next). If onlydirs set, only expand directory files. */
int
-__gnat_to_canonical_file_list_init (filespec, onlydirs)
- char *filespec;
- int onlydirs;
+__gnat_to_canonical_file_list_init (char *filespec, int onlydirs)
{
int len;
- char buff[256];
+ char buff [MAXPATH];
len = strlen (filespec);
- strcpy (buff, filespec);
+ strncpy (buff, filespec, MAXPATH);
+
+ /* Only look for directories */
+ if (onlydirs && !strstr (&buff [len-5], "*.dir"))
+ strncat (buff, "*.dir", MAXPATH);
- /* Only look for directories. */
- if (onlydirs && !strstr (&buff[len - 5], "*.dir"))
- strcat (buff, "*.dir");
+ buff [MAXPATH - 1] = (char) 0;
decc$from_vms (buff, wildcard_translate_unix, 1);
slashes, in case it's a logical name. */
char *
-__gnat_to_canonical_dir_spec (dirspec, prefixflag)
- char *dirspec;
- int prefixflag;
+__gnat_to_canonical_dir_spec (char *dirspec, int prefixflag)
{
int len;
char *dirspec1;
if (strchr (dirspec, ']') || strchr (dirspec, ':'))
- strcpy (new_canonical_dirspec, (char *) decc$translate_vms (dirspec));
+ {
+ strncpy (new_canonical_dirspec,
+ (char *) decc$translate_vms (dirspec),
+ MAXPATH);
+ }
else if (!strchr (dirspec, '/') && (dirspec1 = getenv (dirspec)) != 0)
- strcpy (new_canonical_dirspec, (char *) decc$translate_vms (dirspec1));
+ {
+ strncpy (new_canonical_dirspec,
+ (char *) decc$translate_vms (dirspec1),
+ MAXPATH);
+ }
else
- strcpy (new_canonical_dirspec, dirspec);
+ {
+ strncpy (new_canonical_dirspec, dirspec, MAXPATH);
+ }
}
len = strlen (new_canonical_dirspec);
- if (prefixflag && new_canonical_dirspec[len - 1] != '/')
- strcat (new_canonical_dirspec, "/");
+ if (prefixflag && new_canonical_dirspec [len-1] != '/')
+ strncat (new_canonical_dirspec, "/", MAXPATH);
+
+ new_canonical_dirspec [MAXPATH - 1] = (char) 0;
return new_canonical_dirspec;
}
/* Translate a VMS syntax file specification into Unix syntax.
- If no indicators of VMS syntax found, return input string. */
+ If no indicators of VMS syntax found, check if its an uppercase
+ alphanumeric_ name and if so try it out as an environment
+ variable (logical name). If all else fails return the
+ input string. */
char *
-__gnat_to_canonical_file_spec (filespec)
- char *filespec;
+__gnat_to_canonical_file_spec (char *filespec)
{
- strcpy (new_canonical_filespec, "");
+ char *filespec1;
+
+ strncpy (new_canonical_filespec, "", MAXPATH);
+
if (strchr (filespec, ']') || strchr (filespec, ':'))
- strcpy (new_canonical_filespec, (char *) decc$translate_vms (filespec));
+ {
+ strncpy (new_canonical_filespec,
+ (char *) decc$translate_vms (filespec), MAXPATH);
+ }
+ else if ((strlen (filespec) == strspn (filespec,
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_"))
+ && (filespec1 = getenv (filespec)))
+ {
+ strncpy (new_canonical_filespec,
+ (char *) decc$translate_vms (filespec1), MAXPATH);
+ }
else
- strcpy (new_canonical_filespec, filespec);
+ {
+ strncpy (new_canonical_filespec, filespec, MAXPATH);
+ }
+
+ new_canonical_filespec [MAXPATH - 1] = (char) 0;
return new_canonical_filespec;
}
If no indicators of VMS syntax found, return input string. */
char *
-__gnat_to_canonical_path_spec (pathspec)
- char *pathspec;
+__gnat_to_canonical_path_spec (char *pathspec)
{
- char *curr, *next, buff[256];
+ char *curr, *next, buff [MAXPATH];
if (pathspec == 0)
return pathspec;
char *next_dir;
next_dir = __gnat_to_canonical_file_list_next ();
- strcat (new_canonical_pathspec, next_dir);
+ strncat (new_canonical_pathspec, next_dir, MAXPATH);
/* Don't append the separator after the last expansion. */
if (i+1 < dirs)
- strcat (new_canonical_pathspec, ":");
+ strncat (new_canonical_pathspec, ":", MAXPATH);
}
__gnat_to_canonical_file_list_free ();
}
else
- strcat (new_canonical_pathspec,
- __gnat_to_canonical_dir_spec (buff, 0));
+ strncat (new_canonical_pathspec,
+ __gnat_to_canonical_dir_spec (buff, 0), MAXPATH);
if (*next == 0)
break;
- strcat (new_canonical_pathspec, ":");
+ strncat (new_canonical_pathspec, ":", MAXPATH);
curr = next + 1;
}
+ new_canonical_pathspec [MAXPATH - 1] = (char) 0;
+
return new_canonical_pathspec;
}
-static char filename_buff[256];
+static char filename_buff [MAXPATH];
static int
-translate_unix (name, type)
- char *name;
- int type;
+translate_unix (char *name, int type)
{
- strcpy (filename_buff, name);
+ strncpy (filename_buff, name, MAXPATH);
+ filename_buff [MAXPATH - 1] = (char) 0;
return 0;
}
directories. */
static char *
-to_host_path_spec (pathspec)
- char *pathspec;
+to_host_path_spec (char *pathspec)
{
- char *curr, *next, buff[256];
+ char *curr, *next, buff [MAXPATH];
if (pathspec == 0)
return pathspec;
strncpy (buff, curr, next - curr);
buff[next - curr] = 0;
- strcat (new_host_pathspec, __gnat_to_host_dir_spec (buff, 0));
+ strncat (new_host_pathspec, __gnat_to_host_dir_spec (buff, 0), MAXPATH);
if (*next == 0)
break;
- strcat (new_host_pathspec, ",");
+ strncat (new_host_pathspec, ",", MAXPATH);
curr = next + 1;
}
+ new_host_pathspec [MAXPATH - 1] = (char) 0;
+
return new_host_pathspec;
}
string. */
char *
-__gnat_to_host_dir_spec (dirspec, prefixflag)
- char *dirspec;
- int prefixflag ATTRIBUTE_UNUSED;
+__gnat_to_host_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED)
{
int len = strlen (dirspec);
- strcpy (new_host_dirspec, dirspec);
+ strncpy (new_host_dirspec, dirspec, MAXPATH);
+ new_host_dirspec [MAXPATH - 1] = (char) 0;
if (strchr (new_host_dirspec, ']') || strchr (new_host_dirspec, ':'))
return new_host_dirspec;
}
decc$to_vms (new_host_dirspec, translate_unix, 1, 2);
- strcpy (new_host_dirspec, filename_buff);
+ strncpy (new_host_dirspec, filename_buff, MAXPATH);
+ new_host_dirspec [MAXPATH - 1] = (char) 0;
return new_host_dirspec;
-
}
/* Translate a Unix syntax file specification into VMS syntax.
If indicators of VMS syntax found, return input string. */
char *
-__gnat_to_host_file_spec (filespec)
- char *filespec;
+__gnat_to_host_file_spec (char *filespec)
{
- strcpy (new_host_filespec, "");
+ strncpy (new_host_filespec, "", MAXPATH);
if (strchr (filespec, ']') || strchr (filespec, ':'))
- strcpy (new_host_filespec, filespec);
+ {
+ strncpy (new_host_filespec, filespec, MAXPATH);
+ }
else
{
decc$to_vms (filespec, translate_unix, 1, 1);
- strcpy (new_host_filespec, filename_buff);
+ strncpy (new_host_filespec, filename_buff, MAXPATH);
}
+ new_host_filespec [MAXPATH - 1] = (char) 0;
+
return new_host_filespec;
}
SYS$ADJWSL (131072, 0);
}
-#else
+#else /* VMS */
/* Dummy functions for Osint import for non-VMS systems. */
int
-__gnat_to_canonical_file_list_init (dirspec, onlydirs)
- char *dirspec ATTRIBUTE_UNUSED;
- int onlydirs ATTRIBUTE_UNUSED;
+__gnat_to_canonical_file_list_init
+ (char *dirspec ATTRIBUTE_UNUSED, int onlydirs ATTRIBUTE_UNUSED)
{
return 0;
}
char *
-__gnat_to_canonical_file_list_next ()
+__gnat_to_canonical_file_list_next (void)
{
return (char *) "";
}
void
-__gnat_to_canonical_file_list_free ()
+__gnat_to_canonical_file_list_free (void)
{
}
char *
-__gnat_to_canonical_dir_spec (dirspec, prefixflag)
- char *dirspec;
- int prefixflag ATTRIBUTE_UNUSED;
+__gnat_to_canonical_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED)
{
return dirspec;
}
char *
-__gnat_to_canonical_file_spec (filespec)
- char *filespec;
+__gnat_to_canonical_file_spec (char *filespec)
{
return filespec;
}
char *
-__gnat_to_canonical_path_spec (pathspec)
- char *pathspec;
+__gnat_to_canonical_path_spec (char *pathspec)
{
return pathspec;
}
char *
-__gnat_to_host_dir_spec (dirspec, prefixflag)
- char *dirspec;
- int prefixflag ATTRIBUTE_UNUSED;
+__gnat_to_host_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED)
{
return dirspec;
}
char *
-__gnat_to_host_file_spec (filespec)
- char *filespec;
+__gnat_to_host_file_spec (char *filespec)
{
return filespec;
}
void
-__gnat_adjust_os_resource_limits ()
+__gnat_adjust_os_resource_limits (void)
{
}
#endif
#if defined (__mips_vxworks)
-int _flush_cache()
+int
+_flush_cache()
{
CACHE_USER_FLUSH (0, ENTIRE_CACHE);
}
#if defined (CROSS_COMPILE) \
|| (! (defined (sparc) && defined (sun) && defined (__SVR4)) \
- && ! defined (linux) \
- && ! defined (hpux) \
+ && ! (defined (linux) && defined (i386)) \
+ && ! defined (__FreeBSD__) \
+ && ! defined (__hpux__) \
+ && ! defined (__APPLE__) \
+ && ! defined (_AIX) \
&& ! (defined (__alpha__) && defined (__osf__)) \
- && ! defined (__MINGW32__))
+ && ! defined (__MINGW32__) \
+ && ! (defined (__mips) && defined (__sgi)))
/* Dummy function to satisfy g-trasym.o. Currently Solaris sparc, HP/UX,
- GNU/Linux, Tru64 & Windows provide a non-dummy version of this procedure in
- libaddr2line.a. */
+ GNU/Linux x86, Tru64 & Windows provide a non-dummy version of this
+ procedure in libaddr2line.a. */
void
-convert_addresses (addrs, n_addr, buf, len)
- char *addrs[] ATTRIBUTE_UNUSED;
- int n_addr ATTRIBUTE_UNUSED;
- void *buf ATTRIBUTE_UNUSED;
- int *len;
+convert_addresses (void *addrs ATTRIBUTE_UNUSED,
+ int n_addr ATTRIBUTE_UNUSED,
+ void *buf ATTRIBUTE_UNUSED,
+ int *len ATTRIBUTE_UNUSED)
{
*len = 0;
}
#else
int __gnat_argument_needs_quote = 0;
#endif
+
+/* This option is used to enable/disable object files handling from the
+ binder file by the GNAT Project module. For example, this is disabled on
+ Windows (prior to GCC 3.4) as it is already done by the mdll module.
+ Stating with GCC 3.4 the shared libraries are not based on mdll
+ anymore as it uses the GCC's -shared option */
+#if defined (_WIN32) \
+ && ((__GNUC__ < 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ < 4)))
+int __gnat_prj_add_obj_files = 0;
+#else
+int __gnat_prj_add_obj_files = 1;
+#endif
+
+/* char used as prefix/suffix for environment variables */
+#if defined (_WIN32)
+char __gnat_environment_char = '%';
+#else
+char __gnat_environment_char = '$';
+#endif
+
+/* This functions copy the file attributes from a source file to a
+ destination file.
+
+ mode = 0 : In this mode copy only the file time stamps (last access and
+ last modification time stamps).
+
+ mode = 1 : In this mode, time stamps and read/write/execute attributes are
+ copied.
+
+ Returns 0 if operation was successful and -1 in case of error. */
+
+int
+__gnat_copy_attribs (char *from, char *to, int mode)
+{
+#if defined (VMS) || defined (__vxworks)
+ return -1;
+#else
+ struct stat fbuf;
+ struct utimbuf tbuf;
+
+ if (stat (from, &fbuf) == -1)
+ {
+ return -1;
+ }
+
+ tbuf.actime = fbuf.st_atime;
+ tbuf.modtime = fbuf.st_mtime;
+
+ if (utime (to, &tbuf) == -1)
+ {
+ return -1;
+ }
+
+ if (mode == 1)
+ {
+ if (chmod (to, fbuf.st_mode) == -1)
+ {
+ return -1;
+ }
+ }
+
+ return 0;
+#endif
+}
+
+/* This function is installed in libgcc.a. */
+extern void __gnat_install_locks (void (*) (void), void (*) (void));
+
+/* This function offers a hook for libgnarl to set the
+ locking subprograms for libgcc_eh.
+ This is only needed on OpenVMS, since other platforms use standard
+ --enable-threads=posix option, or similar. */
+
+void
+__gnatlib_install_locks (void (*lock) (void) ATTRIBUTE_UNUSED,
+ void (*unlock) (void) ATTRIBUTE_UNUSED)
+{
+#if defined (IN_RTS) && defined (VMS)
+ __gnat_install_locks (lock, unlock);
+ /* There is a bootstrap path issue if adaint is build with this
+ symbol unresolved for the stage1 compiler. Since the compiler
+ does not use tasking, we simply make __gnatlib_install_locks
+ a no-op in this case. */
+#endif
+}
+
+int
+__gnat_lseek (int fd, long offset, int whence)
+{
+ return (int) lseek (fd, offset, whence);
+}
+
+/* This function returns the version of GCC being used. Here it's GCC 3. */
+int
+get_gcc_version (void)
+{
+ return 3;
+}
+
+int
+__gnat_set_close_on_exec (int fd ATTRIBUTE_UNUSED,
+ int close_on_exec_p ATTRIBUTE_UNUSED)
+{
+#if defined (F_GETFD) && defined (FD_CLOEXEC) && ! defined (__vxworks)
+ int flags = fcntl (fd, F_GETFD, 0);
+ if (flags < 0)
+ return flags;
+ if (close_on_exec_p)
+ flags |= FD_CLOEXEC;
+ else
+ flags &= ~FD_CLOEXEC;
+ return fcntl (fd, F_SETFD, flags | FD_CLOEXEC);
+#else
+ return -1;
+ /* For the Windows case, we should use SetHandleInformation to remove
+ the HANDLE_INHERIT property from fd. This is not implemented yet,
+ but for our purposes (support of GNAT.Expect) this does not matter,
+ as by default handles are *not* inherited. */
+#endif
+}
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