* *
* C Implementation File *
* *
- * Copyright (C) 1992-2005, Free Software Foundation, Inc. *
+ * Copyright (C) 1992-2009, 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- *
- * ware Foundation; either version 2, or (at your option) any later ver- *
+ * ware Foundation; either version 3, or (at your option) any later ver- *
* sion. GNAT is distributed in the hope that it will be useful, but WITH- *
* OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY *
- * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License *
- * for more details. You should have received a copy of the GNU General *
- * Public License distributed with GNAT; see file COPYING. If not, write *
- * to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, *
- * MA 02111-1307, USA. *
+ * or FITNESS FOR A PARTICULAR PURPOSE. *
* *
- * As a special exception, if you link this file with other files to *
- * produce an executable, this file does not by itself cause the resulting *
- * executable to be covered by the GNU General Public License. This except- *
- * ion does not however invalidate any other reasons why the executable *
- * file might be covered by the GNU Public License. *
+ * As a special exception under Section 7 of GPL version 3, you are granted *
+ * additional permissions described in the GCC Runtime Library Exception, *
+ * version 3.1, as published by the Free Software Foundation. *
+ * *
+ * You should have received a copy of the GNU General Public License and *
+ * a copy of the GCC Runtime Library Exception along with this program; *
+ * see the files COPYING3 and COPYING.RUNTIME respectively. If not, see *
+ * <http://www.gnu.org/licenses/>. *
* *
* GNAT was originally developed by the GNAT team at New York University. *
* Extensive contributions were provided by Ada Core Technologies Inc. *
#else
#include "config.h"
#include "system.h"
+#include "version.h"
#endif
-#ifdef __MINGW32__
+#if defined (__MINGW32__)
+
+#if defined (RTX)
+#include <windows.h>
+#include <Rtapi.h>
+#else
#include "mingw32.h"
+
+/* Current code page to use, set in initialize.c. */
+UINT CurrentCodePage;
+#endif
+
#include <sys/utime.h>
+
+/* For isalpha-like tests in the compiler, we're expected to resort to
+ safe-ctype.h/ISALPHA. This isn't available for the runtime library
+ build, so we fallback on ctype.h/isalpha there. */
+
+#ifdef IN_RTS
#include <ctype.h>
-#else
-#ifndef VMS
-#include <utime.h>
+#define ISALPHA isalpha
#endif
+
+#elif defined (__Lynx__)
+
+/* Lynx utime.h only defines the entities of interest to us if
+ defined (VMOS_DEV), so ... */
+#define VMOS_DEV
+#include <utime.h>
+#undef VMOS_DEV
+
+#elif !defined (VMS)
+#include <utime.h>
#endif
+/* wait.h processing */
#ifdef __MINGW32__
#if OLD_MINGW
#include <sys/wait.h>
#endif
+#elif defined (__vxworks) && defined (__RTP__)
+#include <wait.h>
+#elif defined (__Lynx__)
+/* ??? We really need wait.h and it includes resource.h on Lynx. GCC
+ has a resource.h header as well, included instead of the lynx
+ version in our setup, causing lots of errors. We don't really need
+ the lynx contents of this file, so just workaround the issue by
+ preventing the inclusion of the GCC header from doing anything. */
+#define GCC_RESOURCE_H
+#include <sys/wait.h>
+#elif defined (__nucleus__)
+/* No wait() or waitpid() calls available */
#else
+/* Default case */
#include <sys/wait.h>
#endif
/* Header files and definitions for __gnat_set_file_time_name. */
+#define __NEW_STARLET 1
#include <vms/rms.h>
#include <vms/atrdef.h>
#include <vms/fibdef.h>
Y = tmptime * 10000000 + reftime; }
/* descrip.h doesn't have everything ... */
+typedef struct fibdef* __fibdef_ptr32 __attribute__ (( mode (SI) ));
struct dsc$descriptor_fib
{
- unsigned long fib$l_len;
- struct fibdef *fib$l_addr;
+ unsigned int fib$l_len;
+ __fibdef_ptr32 fib$l_addr;
};
/* I/O Status Block. */
struct IOSB
{
unsigned short status, count;
- unsigned long devdep;
+ unsigned int devdep;
};
static char *tryfile;
#endif
#if defined (_WIN32)
+
#include <dir.h>
#include <windows.h>
+#include <accctrl.h>
+#include <aclapi.h>
#undef DIR_SEPARATOR
#define DIR_SEPARATOR '\\'
#endif
#define DIR_SEPARATOR '/'
#endif
+/* Check for cross-compilation */
+#if defined (CROSS_COMPILE) || defined (CROSS_DIRECTORY_STRUCTURE)
+#define IS_CROSS 1
+int __gnat_is_cross_compiler = 1;
+#else
+#undef IS_CROSS
+int __gnat_is_cross_compiler = 0;
+#endif
+
char __gnat_dir_separator = DIR_SEPARATOR;
char __gnat_path_separator = PATH_SEPARATOR;
#elif defined (VMS)
#define GNAT_MAX_PATH_LEN 256 /* PATH_MAX */
-#elif defined (__vxworks) || defined (__OPENNT)
+#elif defined (__vxworks) || defined (__OPENNT) || defined(__nucleus__)
#define GNAT_MAX_PATH_LEN PATH_MAX
#else
#include <sys/param.h>
#endif
+#ifdef MAXPATHLEN
#define GNAT_MAX_PATH_LEN MAXPATHLEN
+#else
+#define GNAT_MAX_PATH_LEN 256
+#endif
#endif
+/* Used for Ada bindings */
+const int __gnat_size_of_file_attributes = sizeof (struct file_attributes);
+
+/* Reset the file attributes as if no system call had been performed */
+void __gnat_stat_to_attr (int fd, char* name, struct file_attributes* attr);
+
/* 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
int __gnat_max_path_len = GNAT_MAX_PATH_LEN;
int max_path_len = GNAT_MAX_PATH_LEN;
+/* Control whether we can use ACL on Windows. */
+
+int __gnat_use_acl = 1;
+
/* The following macro HAVE_READDIR_R should be defined if the
system provides the routine readdir_r. */
#undef HAVE_READDIR_R
#define MAYBE_TO_PTR32(argv) argv
#endif
+const char ATTR_UNSET = 127;
+
+void
+__gnat_reset_attributes
+ (struct file_attributes* attr)
+{
+ attr->exists = ATTR_UNSET;
+
+ attr->writable = ATTR_UNSET;
+ attr->readable = ATTR_UNSET;
+ attr->executable = ATTR_UNSET;
+
+ attr->regular = ATTR_UNSET;
+ attr->symbolic_link = ATTR_UNSET;
+ attr->directory = ATTR_UNSET;
+
+ attr->timestamp = (OS_Time)-2;
+ attr->file_length = -1;
+}
+
+OS_Time
+__gnat_current_time
+ (void)
+{
+ time_t res = time (NULL);
+ return (OS_Time) res;
+}
+
+/* Return the current local time as a string in the ISO 8601 format of
+ "YYYY-MM-DD HH:MM:SS.SS". The returned string is 22 + 1 (NULL) characters
+ long. */
+
+void
+__gnat_current_time_string
+ (char *result)
+{
+ const char *format = "%Y-%m-%d %H:%M:%S";
+ /* Format string necessary to describe the ISO 8601 format */
+
+ const time_t t_val = time (NULL);
+
+ strftime (result, 22, format, localtime (&t_val));
+ /* Convert the local time into a string following the ISO format, copying
+ at most 22 characters into the result string. */
+
+ result [19] = '.';
+ result [20] = '0';
+ result [21] = '0';
+ /* The sub-seconds are manually set to zero since type time_t lacks the
+ precision necessary for nanoseconds. */
+}
+
void
__gnat_to_gm_time
(OS_Time *p_time,
/* Place the contents of the symbolic link named PATH in the buffer BUF,
which has size BUFSIZ. If PATH is a symbolic link, then return the number
- of characters of its content in BUF. Otherwise, return -1. For Windows,
- OS/2 and vxworks, always return -1. */
+ of characters of its content in BUF. Otherwise, return -1.
+ For systems not supporting symbolic links, always return -1. */
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;
-#elif defined (__INTERIX) || defined (VMS)
- return -1;
-#elif defined (__vxworks)
+#if defined (MSDOS) || defined (_WIN32) || defined (__EMX__) \
+ || defined (VMS) || defined(__vxworks) || defined (__nucleus__)
return -1;
#else
return readlink (path, buf, bufsiz);
#endif
}
-/* Creates a symbolic link named NEWPATH which contains the string OLDPATH. If
- NEWPATH exists it will NOT be overwritten. For Windows, OS/2, VxWorks,
- Interix and VMS, always return -1. */
+/* Creates a symbolic link named NEWPATH which contains the string OLDPATH.
+ If NEWPATH exists it will NOT be overwritten.
+ For systems not supporting symbolic links, always return -1. */
int
__gnat_symlink (char *oldpath ATTRIBUTE_UNUSED,
char *newpath ATTRIBUTE_UNUSED)
{
-#if defined (MSDOS) || defined (_WIN32) || defined (__EMX__)
- return -1;
-#elif defined (__INTERIX) || defined (VMS)
- return -1;
-#elif defined (__vxworks)
+#if defined (MSDOS) || defined (_WIN32) || defined (__EMX__) \
+ || defined (VMS) || defined(__vxworks) || defined (__nucleus__)
return -1;
#else
return symlink (oldpath, newpath);
/* Try to lock a file, return 1 if success. */
-#if defined (__vxworks) || defined (MSDOS) || defined (_WIN32)
+#if defined (__vxworks) || defined (__nucleus__) || defined (MSDOS) \
+ || defined (_WIN32) || defined (__EMX__) || defined (VMS)
/* Version that does not use link. */
int
__gnat_try_lock (char *dir, char *file)
{
- char full_path[256];
int fd;
+#ifdef __MINGW32__
+ TCHAR wfull_path[GNAT_MAX_PATH_LEN];
+ TCHAR wfile[GNAT_MAX_PATH_LEN];
+ TCHAR wdir[GNAT_MAX_PATH_LEN];
- sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file);
- fd = open (full_path, O_CREAT | O_EXCL, 0600);
- if (fd < 0)
- return 0;
-
- close (fd);
- return 1;
-}
-
-#elif defined (__EMX__) || defined (VMS)
-
-/* More cases that do not use link; identical code, to solve too long
- line problem ??? */
+ S2WSC (wdir, dir, GNAT_MAX_PATH_LEN);
+ S2WSC (wfile, file, GNAT_MAX_PATH_LEN);
-int
-__gnat_try_lock (char *dir, char *file)
-{
+ _stprintf (wfull_path, _T("%s%c%s"), wdir, _T(DIR_SEPARATOR), wfile);
+ fd = _topen (wfull_path, O_CREAT | O_EXCL, 0600);
+#else
char full_path[256];
- int fd;
sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file);
fd = open (full_path, O_CREAT | O_EXCL, 0600);
+#endif
+
if (fd < 0)
return 0;
{
char full_path[256];
char temp_file[256];
- struct stat stat_result;
+ GNAT_STRUCT_STAT stat_result;
int fd;
sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file);
void
__gnat_get_current_dir (char *dir, int *length)
{
-#ifdef VMS
+#if defined (__MINGW32__)
+ TCHAR wdir[GNAT_MAX_PATH_LEN];
+
+ _tgetcwd (wdir, *length);
+
+ WS2SC (dir, wdir, GNAT_MAX_PATH_LEN);
+
+#elif defined (VMS)
/* Force Unix style, which is what GNAT uses internally. */
getcwd (dir, *length, 0);
#else
return;
}
+/* Returns the OS filename and corresponding encoding. */
+
+void
+__gnat_os_filename (char *filename ATTRIBUTE_UNUSED,
+ char *w_filename ATTRIBUTE_UNUSED,
+ char *os_name, int *o_length,
+ char *encoding ATTRIBUTE_UNUSED, int *e_length)
+{
+#if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS)
+ WS2SC (os_name, (TCHAR *)w_filename, (DWORD)*o_length);
+ *o_length = strlen (os_name);
+ strcpy (encoding, "encoding=utf8");
+ *e_length = strlen (encoding);
+#else
+ strcpy (os_name, filename);
+ *o_length = strlen (filename);
+ *e_length = 0;
+#endif
+}
+
+/* Delete a file. */
+
+int
+__gnat_unlink (char *path)
+{
+#if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS)
+ {
+ TCHAR wpath[GNAT_MAX_PATH_LEN];
+
+ S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
+ return _tunlink (wpath);
+ }
+#else
+ return unlink (path);
+#endif
+}
+
+/* Rename a file. */
+
+int
+__gnat_rename (char *from, char *to)
+{
+#if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS)
+ {
+ TCHAR wfrom[GNAT_MAX_PATH_LEN], wto[GNAT_MAX_PATH_LEN];
+
+ S2WSC (wfrom, from, GNAT_MAX_PATH_LEN);
+ S2WSC (wto, to, GNAT_MAX_PATH_LEN);
+ return _trename (wfrom, wto);
+ }
+#else
+ return rename (from, to);
+#endif
+}
+
+/* Changing directory. */
+
+int
+__gnat_chdir (char *path)
+{
+#if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS)
+ {
+ TCHAR wpath[GNAT_MAX_PATH_LEN];
+
+ S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
+ return _tchdir (wpath);
+ }
+#else
+ return chdir (path);
+#endif
+}
+
+/* Removing a directory. */
+
+int
+__gnat_rmdir (char *path)
+{
+#if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS)
+ {
+ TCHAR wpath[GNAT_MAX_PATH_LEN];
+
+ S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
+ return _trmdir (wpath);
+ }
+#elif defined (VTHREADS)
+ /* rmdir not available */
+ return -1;
+#else
+ return rmdir (path);
+#endif
+}
+
+FILE *
+__gnat_fopen (char *path, char *mode, int encoding ATTRIBUTE_UNUSED)
+{
+#if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS)
+ TCHAR wpath[GNAT_MAX_PATH_LEN];
+ TCHAR wmode[10];
+
+ S2WS (wmode, mode, 10);
+
+ if (encoding == Encoding_Unspecified)
+ S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
+ else if (encoding == Encoding_UTF8)
+ S2WSU (wpath, path, GNAT_MAX_PATH_LEN);
+ else
+ S2WS (wpath, path, GNAT_MAX_PATH_LEN);
+
+ return _tfopen (wpath, wmode);
+#elif defined (VMS)
+ return decc$fopen (path, mode);
+#else
+ return GNAT_FOPEN (path, mode);
+#endif
+}
+
+FILE *
+__gnat_freopen (char *path, char *mode, FILE *stream, int encoding ATTRIBUTE_UNUSED)
+{
+#if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS)
+ TCHAR wpath[GNAT_MAX_PATH_LEN];
+ TCHAR wmode[10];
+
+ S2WS (wmode, mode, 10);
+
+ if (encoding == Encoding_Unspecified)
+ S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
+ else if (encoding == Encoding_UTF8)
+ S2WSU (wpath, path, GNAT_MAX_PATH_LEN);
+ else
+ S2WS (wpath, path, GNAT_MAX_PATH_LEN);
+
+ return _tfreopen (wpath, wmode, stream);
+#elif defined (VMS)
+ return decc$freopen (path, mode, stream);
+#else
+ return freopen (path, mode, stream);
+#endif
+}
+
int
__gnat_open_read (char *path, int fmode)
{
"mbc=16", "deq=64", "fop=tef");
#elif defined (__vxworks)
fd = open (path, O_RDONLY | o_fmode, 0444);
+#elif defined (__MINGW32__)
+ {
+ TCHAR wpath[GNAT_MAX_PATH_LEN];
+
+ S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
+ fd = _topen (wpath, O_RDONLY | o_fmode, 0444);
+ }
#else
fd = open (path, O_RDONLY | o_fmode);
#endif
#if defined (VMS)
fd = open (path, O_RDWR | o_fmode, PERM,
"mbc=16", "deq=64", "fop=tef");
+#elif defined (__MINGW32__)
+ {
+ TCHAR wpath[GNAT_MAX_PATH_LEN];
+
+ S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
+ fd = _topen (wpath, O_RDWR | o_fmode, PERM);
+ }
#else
fd = open (path, O_RDWR | o_fmode, PERM);
#endif
#if defined (VMS)
fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM,
"mbc=16", "deq=64", "fop=tef");
+#elif defined (__MINGW32__)
+ {
+ TCHAR wpath[GNAT_MAX_PATH_LEN];
+
+ S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
+ fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM);
+ }
#else
fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM);
#endif
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");
+#elif defined (__MINGW32__)
+ {
+ TCHAR wpath[GNAT_MAX_PATH_LEN];
+
+ S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
+ fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM);
+ }
#else
fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM);
#endif
}
int
+__gnat_create_output_file_new (char *path)
+{
+ int fd;
+#if defined (VMS)
+ fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT | O_EXCL, PERM,
+ "rfm=stmlf", "ctx=rec", "rat=none", "rop=nlk",
+ "shr=del,get,put,upd");
+#elif defined (__MINGW32__)
+ {
+ TCHAR wpath[GNAT_MAX_PATH_LEN];
+
+ S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
+ fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT | O_EXCL, PERM);
+ }
+#else
+ fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT | O_EXCL, PERM);
+#endif
+
+ return fd < 0 ? -1 : fd;
+}
+
+int
__gnat_open_append (char *path, int fmode)
{
int fd;
#if defined (VMS)
fd = open (path, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM,
"mbc=16", "deq=64", "fop=tef");
+#elif defined (__MINGW32__)
+ {
+ TCHAR wpath[GNAT_MAX_PATH_LEN];
+
+ S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
+ fd = _topen (wpath, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM);
+ }
#else
fd = open (path, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM);
#endif
#if defined (VMS)
fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM,
"mbc=16", "deq=64", "fop=tef");
+#elif defined (__MINGW32__)
+ {
+ TCHAR wpath[GNAT_MAX_PATH_LEN];
+
+ S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
+ fd = _topen (wpath, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM);
+ }
#else
fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM);
#endif
strcpy (path, "GNAT-XXXXXX");
-#if (defined (__FreeBSD__) || defined (linux)) && !defined (__vxworks)
+#if (defined (__FreeBSD__) || defined (__NetBSD__) || defined (__OpenBSD__) \
+ || defined (linux) || defined(__GLIBC__)) && !defined (__vxworks)
return mkstemp (path);
#elif defined (__Lynx__)
mktemp (path);
+#elif defined (__nucleus__)
+ return -1;
#else
if (mktemp (path) == NULL)
return -1;
return fd < 0 ? -1 : fd;
}
-/* Return the number of bytes in the specified file. */
+/****************************************************************
+ ** Perform a call to GNAT_STAT or GNAT_FSTAT, and extract as much information
+ ** as possible from it, storing the result in a cache for later reuse
+ ****************************************************************/
-long
-__gnat_file_length (int fd)
+void
+__gnat_stat_to_attr (int fd, char* name, struct file_attributes* attr)
{
+ GNAT_STRUCT_STAT statbuf;
int ret;
- struct stat statbuf;
- ret = fstat (fd, &statbuf);
- if (ret || !S_ISREG (statbuf.st_mode))
- return 0;
+ if (fd != -1)
+ ret = GNAT_FSTAT (fd, &statbuf);
+ else
+ ret = __gnat_stat (name, &statbuf);
+
+ attr->regular = (!ret && S_ISREG (statbuf.st_mode));
+ attr->directory = (!ret && S_ISDIR (statbuf.st_mode));
+
+ if (!attr->regular)
+ attr->file_length = 0;
+ else
+ /* st_size may be 32 bits, or 64 bits which is converted to long. We
+ don't return a useful value for files larger than 2 gigabytes in
+ either case. */
+ attr->file_length = statbuf.st_size; /* all systems */
+
+#ifndef __MINGW32__
+ /* on Windows requires extra system call, see comment in __gnat_file_exists_attr */
+ attr->exists = !ret;
+#endif
+
+#if !defined (_WIN32) || defined (RTX)
+ /* on Windows requires extra system call, see __gnat_is_readable_file_attr */
+ attr->readable = (!ret && (statbuf.st_mode & S_IRUSR));
+ attr->writable = (!ret && (statbuf.st_mode & S_IWUSR));
+ attr->executable = (!ret && (statbuf.st_mode & S_IXUSR));
+#endif
+
+#if !defined (__EMX__) && !defined (MSDOS) && (!defined (_WIN32) || defined (RTX))
+ /* on Windows requires extra system call, see __gnat_file_time_name_attr */
+ if (ret != 0) {
+ attr->timestamp = (OS_Time)-1;
+ } else {
+#ifdef VMS
+ /* VMS has file versioning. */
+ attr->timestamp = (OS_Time)statbuf.st_ctime;
+#else
+ attr->timestamp = (OS_Time)statbuf.st_mtime;
+#endif
+ }
+#endif
- return (statbuf.st_size);
}
-/* Return the number of bytes in the specified named file. */
+/****************************************************************
+ ** Return the number of bytes in the specified file
+ ****************************************************************/
long
-__gnat_named_file_length (char *name)
+__gnat_file_length_attr (int fd, char* name, struct file_attributes* attr)
{
- int ret;
- struct stat statbuf;
+ if (attr->file_length == -1) {
+ __gnat_stat_to_attr (fd, name, attr);
+ }
- ret = __gnat_stat (name, &statbuf);
- if (ret || !S_ISREG (statbuf.st_mode))
- return 0;
+ return attr->file_length;
+}
+
+long
+__gnat_file_length (int fd)
+{
+ struct file_attributes attr;
+ __gnat_reset_attributes (&attr);
+ return __gnat_file_length_attr (fd, NULL, &attr);
+}
- return (statbuf.st_size);
+long
+__gnat_named_file_length (char *name)
+{
+ struct file_attributes attr;
+ __gnat_reset_attributes (&attr);
+ return __gnat_file_length_attr (-1, name, &attr);
}
/* Create a temporary filename and put it in string pointed to by
void
__gnat_tmp_name (char *tmp_filename)
{
-#ifdef __MINGW32__
+#ifdef RTX
+ /* Variable used to create a series of unique names */
+ static int counter = 0;
+
+ /* RTX in RTSS mode does not support tempnam nor tmpnam so we emulate it */
+ strcpy (tmp_filename, "c:\\WINDOWS\\Temp\\gnat-");
+ sprintf (&tmp_filename[strlen (tmp_filename)], "%d\0", counter++);
+
+#elif defined (__MINGW32__)
{
char *pname;
free (pname);
}
-#elif defined (linux) || defined (__FreeBSD__)
+#elif defined (linux) || defined (__FreeBSD__) || defined (__NetBSD__) \
+ || defined (__OpenBSD__) || defined(__GLIBC__)
#define MAX_SAFE_PATH 1000
char *tmpdir = getenv ("TMPDIR");
#endif
}
+/* Open directory and returns a DIR pointer. */
+
+DIR* __gnat_opendir (char *name)
+{
+#if defined (RTX)
+ /* Not supported in RTX */
+
+ return NULL;
+
+#elif defined (__MINGW32__)
+ TCHAR wname[GNAT_MAX_PATH_LEN];
+
+ S2WSC (wname, name, GNAT_MAX_PATH_LEN);
+ return (DIR*)_topendir (wname);
+
+#else
+ return opendir (name);
+#endif
+}
+
/* Read the next entry in a directory. The returned string points somewhere
in the buffer. */
char *
-__gnat_readdir (DIR *dirp, char *buffer)
+__gnat_readdir (DIR *dirp, char *buffer, int *len)
{
+#if defined (RTX)
+ /* Not supported in RTX */
+
+ return NULL;
+
+#elif defined (__MINGW32__)
+ struct _tdirent *dirent = _treaddir ((_TDIR*)dirp);
+
+ if (dirent != NULL)
+ {
+ WS2SC (buffer, dirent->d_name, GNAT_MAX_PATH_LEN);
+ *len = strlen (buffer);
+
+ return buffer;
+ }
+ else
+ return NULL;
+
+#elif defined (HAVE_READDIR_R)
/* If possible, try to use the thread-safe version. */
-#ifdef HAVE_READDIR_R
if (readdir_r (dirp, buffer) != NULL)
- return ((struct dirent*) buffer)->d_name;
+ {
+ *len = strlen (((struct dirent*) buffer)->d_name);
+ return ((struct dirent*) buffer)->d_name;
+ }
else
return NULL;
if (dirent != NULL)
{
strcpy (buffer, dirent->d_name);
+ *len = strlen (buffer);
return buffer;
}
else
#endif
}
+/* Close a directory entry. */
+
+int __gnat_closedir (DIR *dirp)
+{
+#if defined (RTX)
+ /* Not supported in RTX */
+
+ return 0;
+
+#elif defined (__MINGW32__)
+ return _tclosedir ((_TDIR*)dirp);
+
+#else
+ return closedir (dirp);
+#endif
+}
+
/* Returns 1 if readdir is thread safe, 0 otherwise. */
int
#endif
}
-#ifdef _WIN32
+#if defined (_WIN32) && !defined (RTX)
/* Number of seconds between <Jan 1st 1601> and <Jan 1st 1970>. */
static const unsigned long long w32_epoch_offset = 11644473600ULL;
since <Jan 1st 1970>. */
if (GetFileTime (h, NULL, NULL, &t_write.ft_time))
- return (time_t) (t_write.ull_time / 10000000ULL
- - w32_epoch_offset);
+ 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. */
OS_Time
-__gnat_file_time_name (char *name)
+__gnat_file_time_name_attr (char* name, struct file_attributes* attr)
{
-
+ if (attr->timestamp == (OS_Time)-2) {
#if defined (__EMX__) || defined (MSDOS)
- int fd = open (name, O_RDONLY | O_BINARY);
- time_t ret = __gnat_file_time_fd (fd);
- close (fd);
- 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);
-
- 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 (OS_Time)statbuf.st_ctime;
+ int fd = open (name, O_RDONLY | O_BINARY);
+ time_t ret = __gnat_file_time_fd (fd);
+ close (fd);
+ attr->timestamp = (OS_Time)ret;
+
+#elif defined (_WIN32) && !defined (RTX)
+ time_t ret = -1;
+ TCHAR wname[GNAT_MAX_PATH_LEN];
+ S2WSC (wname, name, GNAT_MAX_PATH_LEN);
+
+ HANDLE h = CreateFile
+ (wname, GENERIC_READ, FILE_SHARE_READ, 0,
+ OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0);
+
+ if (h != INVALID_HANDLE_VALUE) {
+ ret = win32_filetime (h);
+ CloseHandle (h);
+ }
+ attr->timestamp = (OS_Time) ret;
#else
- return (OS_Time)statbuf.st_mtime;
+ __gnat_stat_to_attr (-1, name, attr);
#endif
}
-#endif
+ return attr->timestamp;
+}
+
+OS_Time
+__gnat_file_time_name (char *name)
+{
+ struct file_attributes attr;
+ __gnat_reset_attributes (&attr);
+ return __gnat_file_time_name_attr (name, &attr);
}
/* Return a GNAT time stamp given a file descriptor. */
OS_Time
-__gnat_file_time_fd (int fd)
+__gnat_file_time_fd_attr (int fd, struct file_attributes* attr)
{
- /* 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
- actual OS timestamp of the file. By using the OS2/DOS functions directly
- the GNAT timestamp are independent of this behavior, which is desired to
- facilitate the distribution of GNAT compiled libraries. */
+ if (attr->timestamp == (OS_Time)-2) {
+ /* 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
+ actual OS timestamp of the file. By using the OS2/DOS functions directly
+ the GNAT timestamp are independent of this behavior, which is desired to
+ facilitate the distribution of GNAT compiled libraries. */
#if defined (__EMX__) || defined (MSDOS)
#ifdef __EMX__
- FILESTATUS fs;
- int ret = DosQueryFileInfo (fd, 1, (unsigned char *) &fs,
- sizeof (FILESTATUS));
+ FILESTATUS fs;
+ int ret = DosQueryFileInfo (fd, 1, (unsigned char *) &fs,
+ sizeof (FILESTATUS));
- unsigned file_year = fs.fdateLastWrite.year;
- unsigned file_month = fs.fdateLastWrite.month;
- unsigned file_day = fs.fdateLastWrite.day;
- unsigned file_hour = fs.ftimeLastWrite.hours;
- unsigned file_min = fs.ftimeLastWrite.minutes;
- unsigned file_tsec = fs.ftimeLastWrite.twosecs;
+ unsigned file_year = fs.fdateLastWrite.year;
+ unsigned file_month = fs.fdateLastWrite.month;
+ unsigned file_day = fs.fdateLastWrite.day;
+ unsigned file_hour = fs.ftimeLastWrite.hours;
+ unsigned file_min = fs.ftimeLastWrite.minutes;
+ unsigned file_tsec = fs.ftimeLastWrite.twosecs;
#else
- struct ftime fs;
- int ret = getftime (fd, &fs);
+ struct ftime fs;
+ int ret = getftime (fd, &fs);
- unsigned file_year = fs.ft_year;
- unsigned file_month = fs.ft_month;
- unsigned file_day = fs.ft_day;
- unsigned file_hour = fs.ft_hour;
- unsigned file_min = fs.ft_min;
- unsigned file_tsec = fs.ft_tsec;
+ unsigned file_year = fs.ft_year;
+ unsigned file_month = fs.ft_month;
+ unsigned file_day = fs.ft_day;
+ unsigned file_hour = fs.ft_hour;
+ unsigned file_min = fs.ft_min;
+ unsigned file_tsec = fs.ft_tsec;
#endif
- /* Calculate the seconds since epoch from the time components. First count
- the whole days passed. The value for years returned by the DOS and OS2
- functions count years from 1980, so to compensate for the UNIX epoch which
- begins in 1970 start with 10 years worth of days and add days for each
- four year period since then. */
+ /* Calculate the seconds since epoch from the time components. First count
+ the whole days passed. The value for years returned by the DOS and OS2
+ functions count years from 1980, so to compensate for the UNIX epoch which
+ begins in 1970 start with 10 years worth of days and add days for each
+ four year period since then. */
- time_t tot_secs;
- int cum_days[12] = {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334};
- int days_passed = 3652 + (file_year / 4) * 1461;
- int years_since_leap = file_year % 4;
+ time_t tot_secs;
+ int cum_days[12] = {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334};
+ int days_passed = 3652 + (file_year / 4) * 1461;
+ int years_since_leap = file_year % 4;
- if (years_since_leap == 1)
- days_passed += 366;
- else if (years_since_leap == 2)
- days_passed += 731;
- else if (years_since_leap == 3)
- days_passed += 1096;
+ if (years_since_leap == 1)
+ days_passed += 366;
+ else if (years_since_leap == 2)
+ days_passed += 731;
+ else if (years_since_leap == 3)
+ days_passed += 1096;
- if (file_year > 20)
- days_passed -= 1;
+ if (file_year > 20)
+ days_passed -= 1;
- days_passed += cum_days[file_month - 1];
- if (years_since_leap == 0 && file_year != 20 && file_month > 2)
- days_passed++;
+ days_passed += cum_days[file_month - 1];
+ if (years_since_leap == 0 && file_year != 20 && file_month > 2)
+ days_passed++;
- days_passed += file_day - 1;
+ days_passed += file_day - 1;
- /* OK - have whole days. Multiply -- then add in other parts. */
+ /* OK - have whole days. Multiply -- then add in other parts. */
- tot_secs = days_passed * 86400;
- tot_secs += file_hour * 3600;
- tot_secs += file_min * 60;
- tot_secs += file_tsec * 2;
- return (OS_Time) tot_secs;
+ tot_secs = days_passed * 86400;
+ tot_secs += file_hour * 3600;
+ tot_secs += file_min * 60;
+ tot_secs += file_tsec * 2;
+ attr->timestamp = (OS_Time) tot_secs;
-#elif defined (_WIN32)
- HANDLE h = (HANDLE) _get_osfhandle (fd);
- time_t ret = win32_filetime (h);
- return (OS_Time) ret;
+#elif defined (_WIN32) && !defined (RTX)
+ HANDLE h = (HANDLE) _get_osfhandle (fd);
+ time_t ret = win32_filetime (h);
+ attr->timestamp = (OS_Time) ret;
#else
- struct stat statbuf;
-
- if (fstat (fd, &statbuf) != 0) {
- return (OS_Time) -1;
- } else {
-#ifdef VMS
- /* VMS has file versioning. */
- return (OS_Time) statbuf.st_ctime;
-#else
- return (OS_Time) statbuf.st_mtime;
-#endif
- }
+ __gnat_stat_to_attr (fd, NULL, attr);
#endif
+ }
+
+ return attr->timestamp;
+}
+
+OS_Time
+__gnat_file_time_fd (int fd)
+{
+ struct file_attributes attr;
+ __gnat_reset_attributes (&attr);
+ return __gnat_file_time_fd_attr (fd, &attr);
}
/* Set the file time stamp. */
/* Code to implement __gnat_set_file_time_name for these systems. */
-#elif defined (_WIN32)
+#elif defined (_WIN32) && !defined (RTX)
union
{
FILETIME ft_time;
unsigned long long ull_time;
} t_write;
+ TCHAR wname[GNAT_MAX_PATH_LEN];
+
+ S2WSC (wname, name, GNAT_MAX_PATH_LEN);
- HANDLE h = CreateFile (name, GENERIC_WRITE, FILE_SHARE_WRITE, NULL,
- OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS,
- NULL);
+ HANDLE h = CreateFile
+ (wname, 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> */
struct
{
unsigned long long backup, create, expire, revise;
- unsigned long uic;
+ unsigned int uic;
union
{
unsigned short value;
struct dsc$descriptor_s resultdsc
= {NAM$C_MAXRSS, DSC$K_DTYPE_VT, DSC$K_CLASS_VS, (void *) result.string};
- tryfile = (char *) __gnat_to_host_dir_spec (name, 0);
+ /* Convert parameter name (a file spec) to host file form. Note that this
+ is needed on VMS to prepare for subsequent calls to VMS RMS library
+ routines. Note that it would not work to call __gnat_to_host_dir_spec
+ as was done in a previous version, since this fails silently unless
+ the feature logical DECC$EFS_CHARSET is enabled, in which case a DNF
+ (directory not found) condition is signalled. */
+ tryfile = (char *) __gnat_to_host_file_spec (name);
/* Allocate and initialize a FAB and NAM structures. */
fab = cc$rms_fab;
#endif
}
-void
-__gnat_get_env_value_ptr (char *name, int *len, char **value)
-{
- *value = getenv (name);
- if (!*value)
- *len = 0;
- else
- *len = strlen (*value);
-
- return;
-}
-
-/* VMS specific declarations for set_env_value. */
-
-#ifdef VMS
-
-static char *to_host_path_spec (char *);
-
-struct descriptor_s
-{
- unsigned short len, mbz;
- __char_ptr32 adr;
-};
-
-typedef struct _ile3
-{
- unsigned short len, code;
- __char_ptr32 adr;
- unsigned short *retlen_adr;
-} ile_s;
-
-#endif
-
-void
-__gnat_set_env_value (char *name, char *value)
-{
-#ifdef MSDOS
-
-#elif defined (VMS)
- struct descriptor_s name_desc;
- /* Put in JOB table for now, so that the project stuff at least works. */
- struct descriptor_s table_desc = {7, 0, "LNM$JOB"};
- char *host_pathspec = value;
- char *copy_pathspec;
- int num_dirs_in_pathspec = 1;
- char *ptr;
- long status;
-
- name_desc.len = strlen (name);
- name_desc.mbz = 0;
- name_desc.adr = name;
-
- if (*host_pathspec == 0)
- /* deassign */
- {
- status = LIB$DELETE_LOGICAL (&name_desc, &table_desc);
- /* no need to check status; if the logical name is not
- defined, that's fine. */
- return;
- }
-
- ptr = host_pathspec;
- while (*ptr++)
- if (*ptr == ',')
- num_dirs_in_pathspec++;
-
- {
- int i, status;
- ile_s *ile_array = alloca (sizeof (ile_s) * (num_dirs_in_pathspec + 1));
- char *copy_pathspec = alloca (strlen (host_pathspec) + 1);
- char *curr, *next;
-
- strcpy (copy_pathspec, host_pathspec);
- curr = copy_pathspec;
- for (i = 0; i < num_dirs_in_pathspec; i++)
- {
- next = strchr (curr, ',');
- if (next == 0)
- next = strchr (curr, 0);
-
- *next = 0;
- ile_array[i].len = strlen (curr);
-
- /* Code 2 from lnmdef.h means its a string. */
- ile_array[i].code = 2;
- ile_array[i].adr = curr;
-
- /* retlen_adr is ignored. */
- ile_array[i].retlen_adr = 0;
- curr = next + 1;
- }
-
- /* Terminating item must be zero. */
- ile_array[i].len = 0;
- ile_array[i].code = 0;
- ile_array[i].adr = 0;
- ile_array[i].retlen_adr = 0;
-
- status = LIB$SET_LOGICAL (&name_desc, 0, &table_desc, 0, ile_array);
- if ((status & 1) != 1)
- LIB$SIGNAL (status);
- }
-
-#else
- int size = strlen (name) + strlen (value) + 2;
- char *expression;
-
- expression = (char *) xmalloc (size * sizeof (char));
-
- sprintf (expression, "%s=%s", name, value);
- putenv (expression);
-#endif
-}
-
-#ifdef _WIN32
-#include <windows.h>
-#endif
-
/* Get the list of installed standard libraries from the
HKEY_LOCAL_MACHINE\SOFTWARE\Ada Core Technologies\GNAT\Standard Libraries
key. */
char *
__gnat_get_libraries_from_registry (void)
{
- char *result = (char *) "";
+ char *result = (char *) xmalloc (1);
+
+ result[0] = '\0';
-#if defined (_WIN32) && ! defined (__vxworks) && ! defined (CROSS_COMPILE)
+#if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS) \
+ && ! defined (RTX)
HKEY reg_key;
DWORD name_size, value_size;
for (index = 0; res == ERROR_SUCCESS; index++)
{
value_size = name_size = 256;
- res = RegEnumValue (reg_key, index, name, &name_size, 0,
- &type, (LPBYTE)value, &value_size);
+ res = RegEnumValueA (reg_key, index, name, &name_size, 0,
+ &type, (LPBYTE)value, &value_size);
if (res == ERROR_SUCCESS && type == REG_SZ)
{
strcpy (result, old_result);
strcat (result, value);
strcat (result, ";");
+ free (old_result);
}
}
}
int
-__gnat_stat (char *name, struct stat *statbuf)
+__gnat_stat (char *name, GNAT_STRUCT_STAT *statbuf)
{
-#ifdef _WIN32
+#ifdef __MINGW32__
/* 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[GNAT_MAX_PATH_LEN + 2];
+ terminated by a directory separator except if just after a drive name
+ or with UNC path without directory (only the name of the shared
+ resource), for example: \\computer\share\ */
+
+ TCHAR wname [GNAT_MAX_PATH_LEN + 2];
+ int name_len, k;
+ TCHAR last_char;
+ int dirsep_count = 0;
+
+ S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
+ name_len = _tcslen (wname);
if (name_len > GNAT_MAX_PATH_LEN)
return -1;
- strcpy (win32_name, name);
+ last_char = wname[name_len - 1];
- while (name_len > 1 && (last_char == '\\' || last_char == '/'))
+ while (name_len > 1 && (last_char == _T('\\') || last_char == _T('/')))
{
- win32_name[name_len - 1] = '\0';
+ wname[name_len - 1] = _T('\0');
name_len--;
- last_char = win32_name[name_len - 1];
+ last_char = wname[name_len - 1];
}
- if (name_len == 2 && win32_name[1] == ':')
- strcat (win32_name, "\\");
+ /* Count back-slashes. */
- return stat (win32_name, statbuf);
+ for (k=0; k<name_len; k++)
+ if (wname[k] == _T('\\') || wname[k] == _T('/'))
+ dirsep_count++;
+
+ /* Only a drive letter followed by ':', we must add a directory separator
+ for the stat routine to work properly. */
+ if ((name_len == 2 && wname[1] == _T(':'))
+ || (name_len > 3 && wname[0] == _T('\\') && wname[1] == _T('\\')
+ && dirsep_count == 3))
+ _tcscat (wname, _T("\\"));
+
+ return _tstat (wname, (struct _stat *)statbuf);
#else
- return stat (name, statbuf);
+ return GNAT_STAT (name, statbuf);
#endif
}
+/*************************************************************************
+ ** Check whether a file exists
+ *************************************************************************/
+
int
-__gnat_file_exists (char *name)
+__gnat_file_exists_attr (char* name, struct file_attributes* attr)
{
- struct stat statbuf;
+ if (attr->exists == ATTR_UNSET) {
+#ifdef __MINGW32__
+ /* On Windows do not use __gnat_stat() because of a bug in Microsoft
+ _stat() routine. When the system time-zone is set with a negative
+ offset the _stat() routine fails on specific files like CON: */
+ TCHAR wname [GNAT_MAX_PATH_LEN + 2];
+ S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
+ attr->exists = GetFileAttributes (wname) != INVALID_FILE_ATTRIBUTES;
+#else
+ __gnat_stat_to_attr (-1, name, attr);
+#endif
+ }
- return !__gnat_stat (name, &statbuf);
+ return attr->exists;
}
int
+__gnat_file_exists (char *name)
+{
+ struct file_attributes attr;
+ __gnat_reset_attributes (&attr);
+ return __gnat_file_exists_attr (name, &attr);
+}
+
+/**********************************************************************
+ ** Whether name is an absolute path
+ **********************************************************************/
+
+int
__gnat_is_absolute_path (char *name, int length)
{
+#ifdef __vxworks
+ /* On VxWorks systems, an absolute path can be represented (depending on
+ the host platform) as either /dir/file, or device:/dir/file, or
+ device:drive_letter:/dir/file. */
+
+ int index;
+
+ if (name[0] == '/')
+ return 1;
+
+ for (index = 0; index < length; index++)
+ {
+ if (name[index] == ':' &&
+ ((name[index + 1] == '/') ||
+ (isalpha (name[index + 1]) && index + 2 <= length &&
+ name[index + 2] == '/')))
+ return 1;
+
+ else if (name[index] == '/')
+ return 0;
+ }
+ return 0;
+#else
return (length != 0) &&
(*name == '/' || *name == DIR_SEPARATOR
#if defined (__EMX__) || defined (MSDOS) || defined (WINNT)
- || (length > 1 && isalpha (name[0]) && name[1] == ':')
+ || (length > 1 && ISALPHA (name[0]) && name[1] == ':')
#endif
);
+#endif
+}
+
+int
+__gnat_is_regular_file_attr (char* name, struct file_attributes* attr)
+{
+ if (attr->regular == ATTR_UNSET) {
+ __gnat_stat_to_attr (-1, name, attr);
+ }
+
+ return attr->regular;
}
int
__gnat_is_regular_file (char *name)
{
- int ret;
- struct stat statbuf;
+ struct file_attributes attr;
+ __gnat_reset_attributes (&attr);
+ return __gnat_is_regular_file_attr (name, &attr);
+}
+
+int
+__gnat_is_directory_attr (char* name, struct file_attributes* attr)
+{
+ if (attr->directory == ATTR_UNSET) {
+ __gnat_stat_to_attr (-1, name, attr);
+ }
- ret = __gnat_stat (name, &statbuf);
- return (!ret && S_ISREG (statbuf.st_mode));
+ return attr->directory;
}
int
__gnat_is_directory (char *name)
{
- int ret;
- struct stat statbuf;
+ struct file_attributes attr;
+ __gnat_reset_attributes (&attr);
+ return __gnat_is_directory_attr (name, &attr);
+}
+
+#if defined (_WIN32) && !defined (RTX)
+
+/* Returns the same constant as GetDriveType but takes a pathname as
+ argument. */
+
+static UINT
+GetDriveTypeFromPath (TCHAR *wfullpath)
+{
+ TCHAR wdrv[MAX_PATH];
+ TCHAR wpath[MAX_PATH];
+ TCHAR wfilename[MAX_PATH];
+ TCHAR wext[MAX_PATH];
+
+ _tsplitpath (wfullpath, wdrv, wpath, wfilename, wext);
- ret = __gnat_stat (name, &statbuf);
- return (!ret && S_ISDIR (statbuf.st_mode));
+ if (_tcslen (wdrv) != 0)
+ {
+ /* we have a drive specified. */
+ _tcscat (wdrv, _T("\\"));
+ return GetDriveType (wdrv);
+ }
+ else
+ {
+ /* No drive specified. */
+
+ /* Is this a relative path, if so get current drive type. */
+ if (wpath[0] != _T('\\') ||
+ (_tcslen (wpath) > 2 && wpath[0] == _T('\\') && wpath[1] != _T('\\')))
+ return GetDriveType (NULL);
+
+ UINT result = GetDriveType (wpath);
+
+ /* Cannot guess the drive type, is this \\.\ ? */
+
+ if (result == DRIVE_NO_ROOT_DIR &&
+ _tcslen (wpath) >= 4 && wpath[0] == _T('\\') && wpath[1] == _T('\\')
+ && wpath[2] == _T('.') && wpath[3] == _T('\\'))
+ {
+ if (_tcslen (wpath) == 4)
+ _tcscat (wpath, wfilename);
+
+ LPTSTR p = &wpath[4];
+ LPTSTR b = _tcschr (p, _T('\\'));
+
+ if (b != NULL)
+ { /* logical drive \\.\c\dir\file */
+ *b++ = _T(':');
+ *b++ = _T('\\');
+ *b = _T('\0');
+ }
+ else
+ _tcscat (p, _T(":\\"));
+
+ return GetDriveType (p);
+ }
+
+ return result;
+ }
+}
+
+/* This MingW section contains code to work with ACL. */
+static int
+__gnat_check_OWNER_ACL
+(TCHAR *wname,
+ DWORD CheckAccessDesired,
+ GENERIC_MAPPING CheckGenericMapping)
+{
+ DWORD dwAccessDesired, dwAccessAllowed;
+ PRIVILEGE_SET PrivilegeSet;
+ DWORD dwPrivSetSize = sizeof (PRIVILEGE_SET);
+ BOOL fAccessGranted = FALSE;
+ HANDLE hToken = NULL;
+ DWORD nLength = 0;
+ SECURITY_DESCRIPTOR* pSD = NULL;
+
+ GetFileSecurity
+ (wname, OWNER_SECURITY_INFORMATION |
+ GROUP_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION,
+ NULL, 0, &nLength);
+
+ if ((pSD = (PSECURITY_DESCRIPTOR) HeapAlloc
+ (GetProcessHeap (), HEAP_ZERO_MEMORY, nLength)) == NULL)
+ return 0;
+
+ /* Obtain the security descriptor. */
+
+ if (!GetFileSecurity
+ (wname, OWNER_SECURITY_INFORMATION |
+ GROUP_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION,
+ pSD, nLength, &nLength))
+ goto error;
+
+ if (!ImpersonateSelf (SecurityImpersonation))
+ goto error;
+
+ if (!OpenThreadToken
+ (GetCurrentThread(), TOKEN_DUPLICATE | TOKEN_QUERY, FALSE, &hToken))
+ goto error;
+
+ /* Undoes the effect of ImpersonateSelf. */
+
+ RevertToSelf ();
+
+ /* We want to test for write permissions. */
+
+ dwAccessDesired = CheckAccessDesired;
+
+ MapGenericMask (&dwAccessDesired, &CheckGenericMapping);
+
+ if (!AccessCheck
+ (pSD , /* security descriptor to check */
+ hToken, /* impersonation token */
+ dwAccessDesired, /* requested access rights */
+ &CheckGenericMapping, /* pointer to GENERIC_MAPPING */
+ &PrivilegeSet, /* receives privileges used in check */
+ &dwPrivSetSize, /* size of PrivilegeSet buffer */
+ &dwAccessAllowed, /* receives mask of allowed access rights */
+ &fAccessGranted))
+ goto error;
+
+ CloseHandle (hToken);
+ HeapFree (GetProcessHeap (), 0, pSD);
+ return fAccessGranted;
+
+ error:
+ if (hToken)
+ CloseHandle (hToken);
+ HeapFree (GetProcessHeap (), 0, pSD);
+ return 0;
+}
+
+static void
+__gnat_set_OWNER_ACL
+(TCHAR *wname,
+ DWORD AccessMode,
+ DWORD AccessPermissions)
+{
+ PACL pOldDACL = NULL;
+ PACL pNewDACL = NULL;
+ PSECURITY_DESCRIPTOR pSD = NULL;
+ EXPLICIT_ACCESS ea;
+ TCHAR username [100];
+ DWORD unsize = 100;
+
+ /* Get current user, he will act as the owner */
+
+ if (!GetUserName (username, &unsize))
+ return;
+
+ if (GetNamedSecurityInfo
+ (wname,
+ SE_FILE_OBJECT,
+ DACL_SECURITY_INFORMATION,
+ NULL, NULL, &pOldDACL, NULL, &pSD) != ERROR_SUCCESS)
+ return;
+
+ BuildExplicitAccessWithName
+ (&ea, username, AccessPermissions, AccessMode, NO_INHERITANCE);
+
+ if (AccessMode == SET_ACCESS)
+ {
+ /* SET_ACCESS, we want to set an explicte set of permissions, do not
+ merge with current DACL. */
+ if (SetEntriesInAcl (1, &ea, NULL, &pNewDACL) != ERROR_SUCCESS)
+ return;
+ }
+ else
+ if (SetEntriesInAcl (1, &ea, pOldDACL, &pNewDACL) != ERROR_SUCCESS)
+ return;
+
+ if (SetNamedSecurityInfo
+ (wname, SE_FILE_OBJECT,
+ DACL_SECURITY_INFORMATION, NULL, NULL, pNewDACL, NULL) != ERROR_SUCCESS)
+ return;
+
+ LocalFree (pSD);
+ LocalFree (pNewDACL);
+}
+
+/* Check if it is possible to use ACL for wname, the file must not be on a
+ network drive. */
+
+static int
+__gnat_can_use_acl (TCHAR *wname)
+{
+ return __gnat_use_acl && GetDriveTypeFromPath (wname) != DRIVE_REMOTE;
+}
+
+#endif /* defined (_WIN32) && !defined (RTX) */
+
+int
+__gnat_is_readable_file_attr (char* name, struct file_attributes* attr)
+{
+ if (attr->readable == ATTR_UNSET) {
+#if defined (_WIN32) && !defined (RTX)
+ TCHAR wname [GNAT_MAX_PATH_LEN + 2];
+ GENERIC_MAPPING GenericMapping;
+
+ S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
+
+ if (__gnat_can_use_acl (wname))
+ {
+ ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING));
+ GenericMapping.GenericRead = GENERIC_READ;
+ attr->readable = __gnat_check_OWNER_ACL (wname, FILE_READ_DATA, GenericMapping);
+ }
+ else
+ attr->readable = GetFileAttributes (wname) != INVALID_FILE_ATTRIBUTES;
+#else
+ __gnat_stat_to_attr (-1, name, attr);
+#endif
+ }
+
+ return attr->readable;
}
int
__gnat_is_readable_file (char *name)
{
- int ret;
- int mode;
- struct stat statbuf;
+ struct file_attributes attr;
+ __gnat_reset_attributes (&attr);
+ return __gnat_is_readable_file_attr (name, &attr);
+}
+
+int
+__gnat_is_writable_file_attr (char* name, struct file_attributes* attr)
+{
+ if (attr->writable == ATTR_UNSET) {
+#if defined (_WIN32) && !defined (RTX)
+ TCHAR wname [GNAT_MAX_PATH_LEN + 2];
+ GENERIC_MAPPING GenericMapping;
+
+ S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
+
+ if (__gnat_can_use_acl (wname))
+ {
+ ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING));
+ GenericMapping.GenericWrite = GENERIC_WRITE;
+
+ attr->writable = __gnat_check_OWNER_ACL
+ (wname, FILE_WRITE_DATA | FILE_APPEND_DATA, GenericMapping)
+ && !(GetFileAttributes (wname) & FILE_ATTRIBUTE_READONLY);
+ }
+ else
+ attr->writable = !(GetFileAttributes (wname) & FILE_ATTRIBUTE_READONLY);
- ret = __gnat_stat (name, &statbuf);
- mode = statbuf.st_mode & S_IRUSR;
- return (!ret && mode);
+#else
+ __gnat_stat_to_attr (-1, name, attr);
+#endif
+ }
+
+ return attr->writable;
}
int
__gnat_is_writable_file (char *name)
{
- int ret;
- int mode;
- struct stat statbuf;
+ struct file_attributes attr;
+ __gnat_reset_attributes (&attr);
+ return __gnat_is_writable_file_attr (name, &attr);
+}
+
+int
+__gnat_is_executable_file_attr (char* name, struct file_attributes* attr)
+{
+ if (attr->executable == ATTR_UNSET) {
+#if defined (_WIN32) && !defined (RTX)
+ TCHAR wname [GNAT_MAX_PATH_LEN + 2];
+ GENERIC_MAPPING GenericMapping;
+
+ S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
+
+ if (__gnat_can_use_acl (wname))
+ {
+ ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING));
+ GenericMapping.GenericExecute = GENERIC_EXECUTE;
+
+ attr->executable = __gnat_check_OWNER_ACL (wname, FILE_EXECUTE, GenericMapping);
+ }
+ else
+ attr->executable = GetFileAttributes (wname) != INVALID_FILE_ATTRIBUTES
+ && _tcsstr (wname, _T(".exe")) - wname == (int) (_tcslen (wname) - 4);
+#else
+ __gnat_stat_to_attr (-1, name, attr);
+#endif
+ }
+
+ return attr->executable;
+}
- ret = __gnat_stat (name, &statbuf);
- mode = statbuf.st_mode & S_IWUSR;
- return (!ret && mode);
+int
+__gnat_is_executable_file (char *name)
+{
+ struct file_attributes attr;
+ __gnat_reset_attributes (&attr);
+ return __gnat_is_executable_file_attr (name, &attr);
}
void
__gnat_set_writable (char *name)
{
-#ifndef __vxworks
- struct stat statbuf;
+#if defined (_WIN32) && !defined (RTX)
+ TCHAR wname [GNAT_MAX_PATH_LEN + 2];
- if (stat (name, &statbuf) == 0)
- {
- statbuf.st_mode = statbuf.st_mode | S_IWUSR;
- chmod (name, statbuf.st_mode);
- }
+ S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
+
+ if (__gnat_can_use_acl (wname))
+ __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_WRITE);
+
+ SetFileAttributes
+ (wname, GetFileAttributes (wname) & ~FILE_ATTRIBUTE_READONLY);
+#elif ! defined (__vxworks) && ! defined(__nucleus__)
+ GNAT_STRUCT_STAT statbuf;
+
+ if (GNAT_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 defined (_WIN32) && !defined (RTX)
+ TCHAR wname [GNAT_MAX_PATH_LEN + 2];
- if (stat (name, &statbuf) == 0)
- {
- statbuf.st_mode = statbuf.st_mode | S_IXUSR;
- chmod (name, statbuf.st_mode);
- }
+ S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
+
+ if (__gnat_can_use_acl (wname))
+ __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_EXECUTE);
+
+#elif ! defined (__vxworks) && ! defined(__nucleus__)
+ GNAT_STRUCT_STAT statbuf;
+
+ if (GNAT_STAT (name, &statbuf) == 0)
+ {
+ statbuf.st_mode = statbuf.st_mode | S_IXUSR;
+ chmod (name, statbuf.st_mode);
+ }
+#endif
+}
+
+void
+__gnat_set_non_writable (char *name)
+{
+#if defined (_WIN32) && !defined (RTX)
+ TCHAR wname [GNAT_MAX_PATH_LEN + 2];
+
+ S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
+
+ if (__gnat_can_use_acl (wname))
+ __gnat_set_OWNER_ACL
+ (wname, DENY_ACCESS,
+ FILE_WRITE_DATA | FILE_APPEND_DATA |
+ FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES);
+
+ SetFileAttributes
+ (wname, GetFileAttributes (wname) | FILE_ATTRIBUTE_READONLY);
+#elif ! defined (__vxworks) && ! defined(__nucleus__)
+ GNAT_STRUCT_STAT statbuf;
+
+ if (GNAT_STAT (name, &statbuf) == 0)
+ {
+ statbuf.st_mode = statbuf.st_mode & 07577;
+ chmod (name, statbuf.st_mode);
+ }
+#endif
+}
+
+void
+__gnat_set_readable (char *name)
+{
+#if defined (_WIN32) && !defined (RTX)
+ TCHAR wname [GNAT_MAX_PATH_LEN + 2];
+
+ S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
+
+ if (__gnat_can_use_acl (wname))
+ __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_READ);
+
+#elif ! defined (__vxworks) && ! defined(__nucleus__)
+ GNAT_STRUCT_STAT statbuf;
+
+ if (GNAT_STAT (name, &statbuf) == 0)
+ {
+ chmod (name, statbuf.st_mode | S_IREAD);
+ }
+#endif
+}
+
+void
+__gnat_set_non_readable (char *name)
+{
+#if defined (_WIN32) && !defined (RTX)
+ TCHAR wname [GNAT_MAX_PATH_LEN + 2];
+
+ S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
+
+ if (__gnat_can_use_acl (wname))
+ __gnat_set_OWNER_ACL (wname, DENY_ACCESS, FILE_GENERIC_READ);
+
+#elif ! defined (__vxworks) && ! defined(__nucleus__)
+ GNAT_STRUCT_STAT statbuf;
+
+ if (GNAT_STAT (name, &statbuf) == 0)
+ {
+ chmod (name, statbuf.st_mode & (~S_IREAD));
+ }
#endif
}
-void
-__gnat_set_readonly (char *name)
+int
+__gnat_is_symbolic_link_attr (char* name, struct file_attributes* attr)
{
-#ifndef __vxworks
- struct stat statbuf;
+ if (attr->symbolic_link == ATTR_UNSET) {
+#if defined (__vxworks) || defined (__nucleus__)
+ attr->symbolic_link = 0;
- if (stat (name, &statbuf) == 0)
- {
- statbuf.st_mode = statbuf.st_mode & 07577;
- chmod (name, statbuf.st_mode);
- }
+#elif defined (_AIX) || defined (__APPLE__) || defined (__unix__)
+ int ret;
+ GNAT_STRUCT_STAT statbuf;
+ ret = GNAT_LSTAT (name, &statbuf);
+ attr->symbolic_link = (!ret && S_ISLNK (statbuf.st_mode));
+#else
+ attr->symbolic_link = 0;
#endif
+ }
+ return attr->symbolic_link;
}
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;
+ struct file_attributes attr;
+ __gnat_reset_attributes (&attr);
+ return __gnat_is_symbolic_link_attr (name, &attr);
- ret = lstat (name, &statbuf);
- return (!ret && S_ISLNK (statbuf.st_mode));
-
-#else
- return 0;
-#endif
}
#if defined (sun) && defined (__SVR4)
int finished ATTRIBUTE_UNUSED;
int pid ATTRIBUTE_UNUSED;
-#if defined (MSDOS) || defined (_WIN32)
+#if defined (__vxworks) || defined(__nucleus__) || defined(RTX)
+ return -1;
+
+#elif defined (MSDOS) || defined (_WIN32)
/* 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);
else
return status;
-#elif defined (__vxworks)
- return -1;
#else
#ifdef __EMX__
int
__gnat_dup (int oldfd)
{
-#if defined (__vxworks)
- /* Not supported on VxWorks. */
- return -1;
+#if defined (__vxworks) && !defined (__RTP__)
+ /* Not supported on VxWorks 5.x, but supported on VxWorks 6.0 when using
+ RTPs. */
+ return -1;
#else
- return dup (oldfd);
+ return dup (oldfd);
#endif
}
/* Make newfd be the copy of oldfd, closing newfd first if necessary.
- Return -1 if an error occured. */
+ Return -1 if an error occurred. */
int
__gnat_dup2 (int oldfd, int newfd)
{
-#if defined (__vxworks)
- /* Not supported on VxWorks. */
+#if defined (__vxworks) && !defined (__RTP__)
+ /* Not supported on VxWorks 5.x, but supported on VxWorks 6.0 when using
+ RTPs. */
return -1;
#else
return dup2 (oldfd, newfd);
/* WIN32 code to implement a wait call that wait for any child process. */
-#ifdef _WIN32
+#if defined (_WIN32) && !defined (RTX)
/* Synchronization code, to be thread safe. */
-static CRITICAL_SECTION plist_cs;
+#ifdef CERT
-void
-__gnat_plist_init (void)
-{
- InitializeCriticalSection (&plist_cs);
-}
+/* For the Cert run times on native Windows we use dummy functions
+ for locking and unlocking tasks since we do not support multiple
+ threads on this configuration (Cert run time on native Windows). */
-static void
-plist_enter (void)
-{
- EnterCriticalSection (&plist_cs);
-}
+void dummy (void) {}
-static void
-plist_leave (void)
-{
- LeaveCriticalSection (&plist_cs);
-}
+void (*Lock_Task) () = &dummy;
+void (*Unlock_Task) () = &dummy;
-typedef struct _process_list
-{
- HANDLE h;
- struct _process_list *next;
-} Process_List;
+#else
+
+#define Lock_Task system__soft_links__lock_task
+extern void (*Lock_Task) (void);
-static Process_List *PLIST = NULL;
+#define Unlock_Task system__soft_links__unlock_task
+extern void (*Unlock_Task) (void);
-static int plist_length = 0;
+#endif
+
+static HANDLE *HANDLES_LIST = NULL;
+static int *PID_LIST = NULL, plist_length = 0, plist_max_length = 0;
static void
add_handle (HANDLE h)
{
- Process_List *pl;
- pl = (Process_List *) xmalloc (sizeof (Process_List));
+ /* -------------------- critical section -------------------- */
+ (*Lock_Task) ();
- plist_enter();
+ if (plist_length == plist_max_length)
+ {
+ plist_max_length += 1000;
+ HANDLES_LIST =
+ xrealloc (HANDLES_LIST, sizeof (HANDLE) * plist_max_length);
+ PID_LIST =
+ xrealloc (PID_LIST, sizeof (int) * plist_max_length);
+ }
- /* -------------------- critical section -------------------- */
- pl->h = h;
- pl->next = PLIST;
- PLIST = pl;
+ HANDLES_LIST[plist_length] = h;
+ PID_LIST[plist_length] = GetProcessId (h);
++plist_length;
- /* -------------------- critical section -------------------- */
- plist_leave();
+ (*Unlock_Task) ();
+ /* -------------------- critical section -------------------- */
}
-static void
-remove_handle (HANDLE h)
+void
+__gnat_win32_remove_handle (HANDLE h, int pid)
{
- Process_List *pl;
- Process_List *prev = NULL;
-
- plist_enter();
+ int j;
/* -------------------- critical section -------------------- */
- pl = PLIST;
- while (pl)
+ (*Lock_Task) ();
+
+ for (j = 0; j < plist_length; j++)
{
- if (pl->h == h)
+ if ((HANDLES_LIST[j] == h) || (PID_LIST[j] == pid))
{
- if (pl == PLIST)
- PLIST = pl->next;
- else
- prev->next = pl->next;
- free (pl);
+ CloseHandle (h);
+ --plist_length;
+ HANDLES_LIST[j] = HANDLES_LIST[plist_length];
+ PID_LIST[j] = PID_LIST[plist_length];
break;
}
- else
- {
- prev = pl;
- pl = pl->next;
- }
}
- --plist_length;
+ (*Unlock_Task) ();
/* -------------------- critical section -------------------- */
-
- plist_leave();
}
-static int
+static HANDLE
win32_no_block_spawn (char *command, char *args[])
{
BOOL result;
k++;
}
- result = CreateProcess
- (NULL, (char *) full_command, &SA, NULL, TRUE,
- GetPriorityClass (GetCurrentProcess()), NULL, NULL, &SI, &PI);
+ {
+ int wsize = csize * 2;
+ TCHAR *wcommand = (TCHAR *) xmalloc (wsize);
+
+ S2WSC (wcommand, full_command, wsize);
+
+ free (full_command);
- free (full_command);
+ result = CreateProcess
+ (NULL, wcommand, &SA, NULL, TRUE,
+ GetPriorityClass (GetCurrentProcess()), NULL, NULL, &SI, &PI);
+
+ free (wcommand);
+ }
if (result == TRUE)
{
- add_handle (PI.hProcess);
CloseHandle (PI.hThread);
- return (int) PI.hProcess;
+ return PI.hProcess;
}
else
- return -1;
+ return NULL;
}
static int
win32_wait (int *status)
{
- DWORD exitcode;
+ DWORD exitcode, pid;
HANDLE *hl;
HANDLE h;
DWORD res;
int k;
- Process_List *pl;
+ int hl_len;
if (plist_length == 0)
{
return -1;
}
- hl = (HANDLE *) xmalloc (sizeof (HANDLE) * plist_length);
-
k = 0;
- plist_enter();
/* -------------------- critical section -------------------- */
- pl = PLIST;
- while (pl)
- {
- hl[k++] = pl->h;
- pl = pl->next;
- }
- /* -------------------- critical section -------------------- */
+ (*Lock_Task) ();
- plist_leave();
+ hl_len = plist_length;
- res = WaitForMultipleObjects (plist_length, hl, FALSE, INFINITE);
- h = hl[res - WAIT_OBJECT_0];
- free (hl);
+ hl = (HANDLE *) xmalloc (sizeof (HANDLE) * hl_len);
+
+ memmove (hl, HANDLES_LIST, sizeof (HANDLE) * hl_len);
+
+ (*Unlock_Task) ();
+ /* -------------------- critical section -------------------- */
- remove_handle (h);
+ res = WaitForMultipleObjects (hl_len, hl, FALSE, INFINITE);
+ h = hl[res - WAIT_OBJECT_0];
GetExitCodeProcess (h, &exitcode);
- CloseHandle (h);
+ pid = GetProcessId (h);
+ __gnat_win32_remove_handle (h, -1);
+
+ free (hl);
*status = (int) exitcode;
- return (int) h;
+ return (int) pid;
}
#endif
int
__gnat_portable_no_block_spawn (char *args[])
{
- int pid = 0;
-#if defined (__EMX__) || defined (MSDOS)
+#if defined (__vxworks) || defined (__nucleus__) || defined (RTX)
+ return -1;
+
+#elif defined (__EMX__) || defined (MSDOS)
/* ??? For PC machines I (Franco) don't know the system calls to implement
this routine. So I'll fake it as follows. This routine will behave
#elif defined (_WIN32)
- pid = win32_no_block_spawn (args[0], args);
- return pid;
+ HANDLE h = NULL;
-#elif defined (__vxworks)
- return -1;
+ h = win32_no_block_spawn (args[0], args);
+ if (h != NULL)
+ {
+ add_handle (h);
+ return GetProcessId (h);
+ }
+ else
+ return -1;
#else
- pid = fork ();
+
+ int pid = fork ();
if (pid == 0)
{
#endif
}
-#endif
-
return pid;
+
+ #endif
}
int
int status = 0;
int pid = 0;
-#if defined (_WIN32)
+#if defined (__vxworks) || defined (__nucleus__) || defined (RTX)
+ /* Not sure what to do here, so do same as __EMX__ case, i.e., nothing but
+ return zero. */
+
+#elif defined (_WIN32)
pid = win32_wait (&status);
#elif defined (__EMX__) || defined (MSDOS)
/* ??? See corresponding comment in portable_no_block_spawn. */
-#elif defined (__vxworks)
- /* Not sure what to do here, so do same as __EMX__ case, i.e., nothing but
- return zero. */
#else
pid = waitpid (-1, &status, 0);
__gnat_locate_regular_file (char *file_name, char *path_val)
{
char *ptr;
- int absolute = __gnat_is_absolute_path (file_name, strlen (file_name));
+ char *file_path = (char *) alloca (strlen (file_name) + 1);
+ int absolute;
+
+ /* Return immediately if file_name is empty */
+
+ if (*file_name == '\0')
+ return 0;
+
+ /* Remove quotes around file_name if present */
+
+ ptr = file_name;
+ if (*ptr == '"')
+ ptr++;
+
+ strcpy (file_path, ptr);
+
+ ptr = file_path + strlen (file_path) - 1;
+
+ if (*ptr == '"')
+ *ptr = '\0';
/* Handle absolute pathnames. */
+
+ absolute = __gnat_is_absolute_path (file_path, strlen (file_name));
+
if (absolute)
{
- if (__gnat_is_regular_file (file_name))
- return xstrdup (file_name);
+ if (__gnat_is_regular_file (file_path))
+ return xstrdup (file_path);
return 0;
}
{
/* The result has to be smaller than path_val + file_name. */
- char *file_path = alloca (strlen (path_val) + strlen (file_name) + 2);
+ char *file_path = (char *) alloca (strlen (path_val) + strlen (file_name) + 2);
for (;;)
{
if (*path_val == 0)
return 0;
+ /* Skip the starting quote */
+
+ if (*path_val == '"')
+ path_val++;
+
for (ptr = file_path; *path_val && *path_val != PATH_SEPARATOR; )
- *ptr++ = *path_val++;
+ *ptr++ = *path_val++;
ptr--;
+
+ /* Skip the ending quote */
+
+ if (*ptr == '"')
+ ptr--;
+
if (*ptr != '/' && *ptr != DIR_SEPARATOR)
*++ptr = DIR_SEPARATOR;
char *
__gnat_locate_exec (char *exec_name, char *path_val)
{
+ char *ptr;
if (!strstr (exec_name, HOST_EXECUTABLE_SUFFIX))
{
char *full_exec_name
- = alloca (strlen (exec_name) + strlen (HOST_EXECUTABLE_SUFFIX) + 1);
+ = (char *) alloca (strlen (exec_name) + strlen (HOST_EXECUTABLE_SUFFIX) + 1);
strcpy (full_exec_name, exec_name);
strcat (full_exec_name, HOST_EXECUTABLE_SUFFIX);
- return __gnat_locate_regular_file (full_exec_name, path_val);
+ ptr = __gnat_locate_regular_file (full_exec_name, path_val);
+
+ if (ptr == 0)
+ return __gnat_locate_regular_file (exec_name, path_val);
+ return ptr;
}
else
return __gnat_locate_regular_file (exec_name, path_val);
__gnat_locate_exec_on_path (char *exec_name)
{
char *apath_val;
+
+#if defined (_WIN32) && !defined (RTX)
+ TCHAR *wpath_val = _tgetenv (_T("PATH"));
+ TCHAR *wapath_val;
+ /* In Win32 systems we expand the PATH as for XP environment
+ variables are not automatically expanded. We also prepend the
+ ".;" to the path to match normal NT path search semantics */
+
+ #define EXPAND_BUFFER_SIZE 32767
+
+ wapath_val = alloca (EXPAND_BUFFER_SIZE);
+
+ wapath_val [0] = '.';
+ wapath_val [1] = ';';
+
+ DWORD res = ExpandEnvironmentStrings
+ (wpath_val, &wapath_val[2], EXPAND_BUFFER_SIZE - 2);
+
+ if (!res) wapath_val [0] = _T('\0');
+
+ apath_val = alloca (EXPAND_BUFFER_SIZE);
+
+ WS2SC (apath_val, wapath_val, EXPAND_BUFFER_SIZE);
+ return __gnat_locate_exec (exec_name, apath_val);
+
+#else
+
#ifdef VMS
char *path_val = "/VAXC$PATH";
#else
char *path_val = getenv ("PATH");
#endif
-#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);
+ if (path_val == NULL) return NULL;
+ apath_val = (char *) alloca (strlen (path_val) + 1);
strcpy (apath_val, path_val);
-
return __gnat_locate_exec (exec_name, apath_val);
+#endif
}
#ifdef VMS
new_canonical_filelist = 0;
}
+/* The functional equivalent of decc$translate_vms routine.
+ Designed to produce the same output, but is protected against
+ malformed paths (original version ACCVIOs in this case) and
+ does not require VMS-specific DECC RTL */
+
+#define NAM$C_MAXRSS 1024
+
+char *
+__gnat_translate_vms (char *src)
+{
+ static char retbuf [NAM$C_MAXRSS+1];
+ char *srcendpos, *pos1, *pos2, *retpos;
+ int disp, path_present = 0;
+
+ if (!src) return NULL;
+
+ srcendpos = strchr (src, '\0');
+ retpos = retbuf;
+
+ /* Look for the node and/or device in front of the path */
+ pos1 = src;
+ pos2 = strchr (pos1, ':');
+
+ if (pos2 && (pos2 < srcendpos) && (*(pos2 + 1) == ':')) {
+ /* There is a node name. "node_name::" becomes "node_name!" */
+ disp = pos2 - pos1;
+ strncpy (retbuf, pos1, disp);
+ retpos [disp] = '!';
+ retpos = retpos + disp + 1;
+ pos1 = pos2 + 2;
+ pos2 = strchr (pos1, ':');
+ }
+
+ if (pos2) {
+ /* There is a device name. "dev_name:" becomes "/dev_name/" */
+ *(retpos++) = '/';
+ disp = pos2 - pos1;
+ strncpy (retpos, pos1, disp);
+ retpos = retpos + disp;
+ pos1 = pos2 + 1;
+ *(retpos++) = '/';
+ }
+ else
+ /* No explicit device; we must look ahead and prepend /sys$disk/ if
+ the path is absolute */
+ if ((*pos1 == '[' || *pos1 == '<') && (pos1 < srcendpos)
+ && !strchr (".-]>", *(pos1 + 1))) {
+ strncpy (retpos, "/sys$disk/", 10);
+ retpos += 10;
+ }
+
+ /* Process the path part */
+ while (*pos1 == '[' || *pos1 == '<') {
+ path_present++;
+ pos1++;
+ if (*pos1 == ']' || *pos1 == '>') {
+ /* Special case, [] translates to '.' */
+ *(retpos++) = '.';
+ pos1++;
+ }
+ else {
+ /* '[000000' means root dir. It can be present in the middle of
+ the path due to expansion of logical devices, in which case
+ we skip it */
+ if (!strncmp (pos1, "000000", 6) && path_present > 1 &&
+ (*(pos1 + 6) == ']' || *(pos1 + 6) == '>' || *(pos1 + 6) == '.')) {
+ pos1 += 6;
+ if (*pos1 == '.') pos1++;
+ }
+ else if (*pos1 == '.') {
+ /* Relative path */
+ *(retpos++) = '.';
+ }
+
+ /* There is a qualified path */
+ while (*pos1 && *pos1 != ']' && *pos1 != '>') {
+ switch (*pos1) {
+ case '.':
+ /* '.' is used to separate directories. Replace it with '/' but
+ only if there isn't already '/' just before */
+ if (*(retpos - 1) != '/') *(retpos++) = '/';
+ pos1++;
+ if (pos1 + 1 < srcendpos && *pos1 == '.' && *(pos1 + 1) == '.') {
+ /* ellipsis refers to entire subtree; replace with '**' */
+ *(retpos++) = '*'; *(retpos++) = '*'; *(retpos++) = '/';
+ pos1 += 2;
+ }
+ break;
+ case '-' :
+ /* When after '.' '[' '<' is equivalent to Unix ".." but there
+ may be several in a row */
+ if (*(pos1 - 1) == '.' || *(pos1 - 1) == '[' ||
+ *(pos1 - 1) == '<') {
+ while (*pos1 == '-') {
+ pos1++;
+ *(retpos++) = '.'; *(retpos++) = '.'; *(retpos++) = '/';
+ }
+ retpos--;
+ break;
+ }
+ /* otherwise fall through to default */
+ default:
+ *(retpos++) = *(pos1++);
+ }
+ }
+ pos1++;
+ }
+ }
+
+ if (pos1 < srcendpos) {
+ /* Now add the actual file name, until the version suffix if any */
+ if (path_present) *(retpos++) = '/';
+ pos2 = strchr (pos1, ';');
+ disp = pos2? (pos2 - pos1) : (srcendpos - pos1);
+ strncpy (retpos, pos1, disp);
+ retpos += disp;
+ if (pos2 && pos2 < srcendpos) {
+ /* There is a non-empty version suffix. ";<ver>" becomes ".<ver>" */
+ *retpos++ = '.';
+ disp = srcendpos - pos2 - 1;
+ strncpy (retpos, pos2 + 1, disp);
+ retpos += disp;
+ }
+ }
+
+ *retpos = '\0';
+
+ return retbuf;
+
+}
+
/* Translate a VMS syntax directory specification in to Unix syntax. If
PREFIXFLAG is set, append an underscore "/". If no indicators of VMS syntax
found, return input string. Also translate a dirname that contains no
if (strchr (dirspec, ']') || strchr (dirspec, ':'))
{
strncpy (new_canonical_dirspec,
- (char *) decc$translate_vms (dirspec),
+ __gnat_translate_vms (dirspec),
MAXPATH);
}
else if (!strchr (dirspec, '/') && (dirspec1 = getenv (dirspec)) != 0)
{
strncpy (new_canonical_dirspec,
- (char *) decc$translate_vms (dirspec1),
+ __gnat_translate_vms (dirspec1),
MAXPATH);
}
else
}
/* Translate a VMS syntax file specification into Unix syntax.
- If no indicators of VMS syntax found, check if its an uppercase
+ If no indicators of VMS syntax found, check if it's an uppercase
alphanumeric_ name and if so try it out as an environment
variable (logical name). If all else fails return the
input string. */
if (strchr (filespec, ']') || strchr (filespec, ':'))
{
- strncpy (new_canonical_filespec,
- (char *) decc$translate_vms (filespec), MAXPATH);
+ char *tspec = (char *) __gnat_translate_vms (filespec);
+
+ if (tspec != (char *) -1)
+ strncpy (new_canonical_filespec, tspec, MAXPATH);
}
else if ((strlen (filespec) == strspn (filespec,
"ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_"))
&& (filespec1 = getenv (filespec)))
{
- strncpy (new_canonical_filespec,
- (char *) decc$translate_vms (filespec1), MAXPATH);
+ char *tspec = (char *) __gnat_translate_vms (filespec1);
+
+ if (tspec != (char *) -1)
+ strncpy (new_canonical_filespec, tspec, MAXPATH);
}
else
{
char *
__gnat_to_canonical_file_list_next (void)
{
- return (char *) "";
+ static char *empty = "";
+ return empty;
}
void
}
#endif
-#if defined (CROSS_COMPILE) \
- || (! (defined (sparc) && defined (sun) && defined (__SVR4)) \
- && ! (defined (linux) && defined (i386)) \
+#if defined (IS_CROSS) \
+ || (! ((defined (sparc) || defined (i386)) && defined (sun) \
+ && defined (__SVR4)) \
+ && ! (defined (linux) && (defined (i386) || defined (__x86_64__))) \
+ && ! (defined (linux) && defined (__ia64__)) \
+ && ! (defined (linux) && defined (powerpc)) \
&& ! defined (__FreeBSD__) \
+ && ! defined (__Lynx__) \
&& ! defined (__hpux__) \
&& ! defined (__APPLE__) \
&& ! defined (_AIX) \
&& ! (defined (__alpha__) && defined (__osf__)) \
+ && ! defined (VMS) \
&& ! defined (__MINGW32__) \
&& ! (defined (__mips) && defined (__sgi)))
-/* Dummy function to satisfy g-trasym.o. Currently Solaris sparc, HP/UX,
- GNU/Linux x86, Tru64 & Windows provide a non-dummy version of this
- procedure in libaddr2line.a. */
+/* Dummy function to satisfy g-trasym.o. See the preprocessor conditional
+ just above for a list of native platforms that provide a non-dummy
+ version of this procedure in libaddr2line.a. */
void
-convert_addresses (void *addrs ATTRIBUTE_UNUSED,
+convert_addresses (const char *file_name ATTRIBUTE_UNUSED,
+ void *addrs ATTRIBUTE_UNUSED,
int n_addr ATTRIBUTE_UNUSED,
void *buf ATTRIBUTE_UNUSED,
int *len ATTRIBUTE_UNUSED)
int
__gnat_copy_attribs (char *from, char *to, int mode)
{
-#if defined (VMS) || defined (__vxworks)
+#if defined (VMS) || defined (__vxworks) || defined (__nucleus__)
return -1;
+
+#elif defined (_WIN32) && !defined (RTX)
+ TCHAR wfrom [GNAT_MAX_PATH_LEN + 2];
+ TCHAR wto [GNAT_MAX_PATH_LEN + 2];
+ BOOL res;
+ FILETIME fct, flat, flwt;
+ HANDLE hfrom, hto;
+
+ S2WSC (wfrom, from, GNAT_MAX_PATH_LEN + 2);
+ S2WSC (wto, to, GNAT_MAX_PATH_LEN + 2);
+
+ /* retrieve from times */
+
+ hfrom = CreateFile
+ (wfrom, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
+
+ if (hfrom == INVALID_HANDLE_VALUE)
+ return -1;
+
+ res = GetFileTime (hfrom, &fct, &flat, &flwt);
+
+ CloseHandle (hfrom);
+
+ if (res == 0)
+ return -1;
+
+ /* retrieve from times */
+
+ hto = CreateFile
+ (wto, GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
+
+ if (hto == INVALID_HANDLE_VALUE)
+ return -1;
+
+ res = SetFileTime (hto, NULL, &flat, &flwt);
+
+ CloseHandle (hto);
+
+ if (res == 0)
+ return -1;
+
+ /* Set file attributes in full mode. */
+
+ if (mode == 1)
+ {
+ DWORD attribs = GetFileAttributes (wfrom);
+
+ if (attribs == INVALID_FILE_ATTRIBUTES)
+ return -1;
+
+ res = SetFileAttributes (wto, attribs);
+ if (res == 0)
+ return -1;
+ }
+
+ return 0;
+
#else
- struct stat fbuf;
+ GNAT_STRUCT_STAT fbuf;
struct utimbuf tbuf;
- if (stat (from, &fbuf) == -1)
+ if (GNAT_STAT (from, &fbuf) == -1)
{
return -1;
}
#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. */
+/* This function returns the major version number of GCC being used. */
int
get_gcc_version (void)
{
- return 3;
+#ifdef IN_RTS
+ return __GNUC__;
+#else
+ return (int) (version_string[0] - '0');
+#endif
}
int
-__gnat_set_close_on_exec (int fd, int close_on_exec_p)
+__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);
else
flags &= ~FD_CLOEXEC;
return fcntl (fd, F_SETFD, flags | FD_CLOEXEC);
+#elif defined(_WIN32)
+ HANDLE h = (HANDLE) _get_osfhandle (fd);
+ if (h == (HANDLE) -1)
+ return -1;
+ if (close_on_exec_p)
+ return ! SetHandleInformation (h, HANDLE_FLAG_INHERIT, 0);
+ return ! SetHandleInformation (h, HANDLE_FLAG_INHERIT,
+ HANDLE_FLAG_INHERIT);
#else
+ /* TODO: Unimplemented. */
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
}
+
+/* Indicates if platforms supports automatic initialization through the
+ constructor mechanism */
+int
+__gnat_binder_supports_auto_init (void)
+{
+#ifdef VMS
+ return 0;
+#else
+ return 1;
+#endif
+}
+
+/* Indicates that Stand-Alone Libraries are automatically initialized through
+ the constructor mechanism */
+int
+__gnat_sals_init_using_constructors (void)
+{
+#if defined (__vxworks) || defined (__Lynx__) || defined (VMS)
+ return 0;
+#else
+ return 1;
+#endif
+}
+
+#ifdef RTX
+
+/* In RTX mode, the procedure to get the time (as file time) is different
+ in RTSS mode and Win32 mode. In order to avoid duplicating an Ada file,
+ we introduce an intermediate procedure to link against the corresponding
+ one in each situation. */
+
+extern void GetTimeAsFileTime(LPFILETIME pTime);
+
+void GetTimeAsFileTime(LPFILETIME pTime)
+{
+#ifdef RTSS
+ RtGetRtssTimeAsFileTime (pTime); /* RTSS interface */
+#else
+ GetSystemTimeAsFileTime (pTime); /* w32 interface */
+#endif
+}
+
+#ifdef RTSS
+/* Add symbol that is required to link. It would otherwise be taken from
+ libgcc.a and it would try to use the gcc constructors that are not
+ supported by Microsoft linker. */
+
+extern void __main (void);
+
+void __main (void) {}
+#endif
+#endif
+
+#if defined (linux) || defined(__GLIBC__)
+/* pthread affinity support */
+
+int __gnat_pthread_setaffinity_np (pthread_t th,
+ size_t cpusetsize,
+ const void *cpuset);
+
+#ifdef CPU_SETSIZE
+#include <pthread.h>
+int
+__gnat_pthread_setaffinity_np (pthread_t th,
+ size_t cpusetsize,
+ const cpu_set_t *cpuset)
+{
+ return pthread_setaffinity_np (th, cpusetsize, cpuset);
+}
+#else
+int
+__gnat_pthread_setaffinity_np (pthread_t th ATTRIBUTE_UNUSED,
+ size_t cpusetsize ATTRIBUTE_UNUSED,
+ const void *cpuset ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+#endif
+#endif
+
+#if defined (linux)
+/* There is no function in the glibc to retrieve the LWP of the current
+ thread. We need to do a system call in order to retrieve this
+ information. */
+#include <sys/syscall.h>
+void *__gnat_lwp_self (void)
+{
+ return (void *) syscall (__NR_gettid);
+}
+#endif
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