* *
* C Implementation File *
* *
- * Copyright (C) 1992-2009, Free Software Foundation, Inc. *
+ * Copyright (C) 1992-2010, 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 */
+#if (defined (__mips) && defined (__sgi)) || defined (__APPLE__)
+#include <unistd.h>
+#endif
+
+#if defined (__hpux__)
+#include <sys/param.h>
+#include <sys/pstat.h>
+#endif
+
#ifdef VMS
#define _POSIX_EXIT 1
#define HOST_EXECUTABLE_SUFFIX ".exe"
#include <sys/wait.h>
#endif
-#if defined (__EMX__) || defined (MSDOS) || defined (_WIN32)
+#if defined (_WIN32)
#elif defined (VMS)
/* Header files and definitions for __gnat_set_file_time_name. */
char string[NAM$C_MAXRSS+1];
};
+#define SYI$_ACTIVECPU_CNT 0x111e
+extern int LIB$GETSYI (int *, unsigned int *);
+
#else
#include <utime.h>
#endif
-#if defined (__EMX__) || defined (MSDOS) || defined (_WIN32)
+#if defined (_WIN32)
#include <process.h>
#endif
#if defined (_WIN32)
+
#include <dir.h>
#include <windows.h>
#include <accctrl.h>
external file mapped to LF in internal file), but in Unix-like systems,
no text translation is required, so these flags have no effect. */
-#if defined (__EMX__)
-#include <os2.h>
-#endif
-
-#if defined (MSDOS)
-#include <dos.h>
-#endif
-
#ifndef O_BINARY
#define O_BINARY 0
#endif
as well. This is only a temporary work-around for 3.11b. */
#ifndef GNAT_LIBRARY_TEMPLATE
-#if defined (__EMX__)
-#define GNAT_LIBRARY_TEMPLATE "*.a"
-#elif defined (VMS)
+#if defined (VMS)
#define GNAT_LIBRARY_TEMPLATE "*.olb"
#else
#define GNAT_LIBRARY_TEMPLATE "lib*.a"
const int __gnat_vmsp = 0;
#endif
-#ifdef __EMX__
-#define GNAT_MAX_PATH_LEN MAX_PATH
-
-#elif defined (VMS)
+#if defined (VMS)
#define GNAT_MAX_PATH_LEN 256 /* PATH_MAX */
#elif defined (__vxworks) || defined (__OPENNT) || defined(__nucleus__)
#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
+static 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)
char *buf ATTRIBUTE_UNUSED,
size_t bufsiz ATTRIBUTE_UNUSED)
{
-#if defined (MSDOS) || defined (_WIN32) || defined (__EMX__) \
- || defined (VMS) || defined(__vxworks) || defined (__nucleus__)
+#if defined (_WIN32) || defined (VMS) \
+ || defined(__vxworks) || defined (__nucleus__)
return -1;
#else
return readlink (path, buf, bufsiz);
__gnat_symlink (char *oldpath ATTRIBUTE_UNUSED,
char *newpath ATTRIBUTE_UNUSED)
{
-#if defined (MSDOS) || defined (_WIN32) || defined (__EMX__) \
- || defined (VMS) || defined(__vxworks) || defined (__nucleus__)
+#if defined (_WIN32) || 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 (__nucleus__) || defined (MSDOS) \
- || defined (_WIN32) || defined (__EMX__) || defined (VMS)
+#if defined (__vxworks) || defined (__nucleus__) \
+ || defined (_WIN32) || defined (VMS)
/* Version that does not use link. */
{
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);
int
__gnat_get_maximum_file_name_length (void)
{
-#if defined (MSDOS)
- return 8;
-#elif defined (VMS)
+#if defined (VMS)
if (getenv ("GNAT$EXTENDED_FILE_SPECIFICATIONS"))
return -1;
else
int
__gnat_get_file_names_case_sensitive (void)
{
-#if defined (__EMX__) || defined (MSDOS) || defined (VMS) || defined (WINNT)
- return 0;
+ const char *sensitive = getenv ("GNAT_FILE_NAME_CASE_SENSITIVE");
+
+ if (sensitive != NULL
+ && (sensitive[0] == '0' || sensitive[0] == '1')
+ && sensitive[1] == '\0')
+ return sensitive[0] - '0';
+ else
+#if defined (VMS) || defined (WINNT) || defined (__APPLE__)
+ return 0;
#else
- return 1;
+ return 1;
+#endif
+}
+
+/* Return nonzero if environment variables are case sensitive. */
+
+int
+__gnat_get_env_vars_case_sensitive (void)
+{
+#if defined (VMS) || defined (WINNT)
+ return 0;
+#else
+ return 1;
#endif
}
char
__gnat_get_default_identifier_character_set (void)
{
-#if defined (__EMX__) || defined (MSDOS)
- return 'p';
-#else
return '1';
-#endif
}
/* Return the current working directory. */
void
__gnat_get_debuggable_suffix_ptr (int *len, const char **value)
{
-#ifndef MSDOS
*value = HOST_EXECUTABLE_SUFFIX;
-#else
- /* On DOS, the extensionless COFF file is what gdb likes. */
- *value = "";
-#endif
if (*value == 0)
*len = 0;
/* Returns the OS filename and corresponding encoding. */
void
-__gnat_os_filename (char *filename, char *w_filename ATTRIBUTE_UNUSED,
+__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, o_length);
+ WS2SC (os_name, (TCHAR *)w_filename, (DWORD)*o_length);
*o_length = strlen (os_name);
strcpy (encoding, "encoding=utf8");
*e_length = strlen (encoding);
S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
return _trmdir (wpath);
}
+#elif defined (VTHREADS)
+ /* rmdir not available */
+ return -1;
#else
return rmdir (path);
#endif
#elif defined (VMS)
return decc$fopen (path, mode);
#else
- return fopen (path, mode);
+ return GNAT_FOPEN (path, mode);
#endif
}
FILE *
-__gnat_freopen (char *path, char *mode, FILE *stream, int encoding ATTRIBUTE_UNUSED)
+__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];
return fd < 0 ? -1 : fd;
}
-#if defined (__EMX__) || defined (__MINGW32__)
+#if defined (__MINGW32__)
#define PERM (S_IREAD | S_IWRITE)
#elif defined (VMS)
/* Excerpt from DECC C RTL Reference Manual:
}
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;
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));
- return (statbuf.st_size);
+ 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 */
+
+ attr->exists = !ret;
+
+#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 (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
+ }
}
-/* 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
return (time_t) (t_write.ull_time / 10000000ULL - w32_epoch_offset);
return (time_t) 0;
}
+
+/* As above but starting from a FILETIME. */
+static void
+f2t (const FILETIME *ft, time_t *t)
+{
+ union
+ {
+ FILETIME ft_time;
+ unsigned long long ull_time;
+ } t_write;
+
+ t_write.ft_time = *ft;
+ *t = (time_t) (t_write.ull_time / 10000000ULL - w32_epoch_offset);
+}
#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 (_WIN32) && !defined (RTX)
+ BOOL res;
+ WIN32_FILE_ATTRIBUTE_DATA fad;
+ time_t ret = -1;
+ TCHAR wname[GNAT_MAX_PATH_LEN];
+ S2WSC (wname, name, GNAT_MAX_PATH_LEN);
-#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) && !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);
- }
- 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;
+ if (res = GetFileAttributesEx (wname, GetFileExInfoStandard, &fad))
+ f2t (&fad.ftLastWriteTime, &ret);
+ attr->timestamp = (OS_Time) ret;
#else
- return (OS_Time)statbuf.st_mtime;
+ __gnat_stat_to_attr (-1, name, attr);
#endif
}
-#endif
+ return attr->timestamp;
}
-/* Return a GNAT time stamp given a file descriptor. */
-
OS_Time
-__gnat_file_time_fd (int fd)
+__gnat_file_time_name (char *name)
{
- /* 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__
+ struct file_attributes attr;
+ __gnat_reset_attributes (&attr);
+ return __gnat_file_time_name_attr (name, &attr);
+}
- FILESTATUS fs;
- int ret = DosQueryFileInfo (fd, 1, (unsigned char *) &fs,
- sizeof (FILESTATUS));
+/* Return a GNAT time stamp given a file descriptor. */
- 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;
+OS_Time
+__gnat_file_time_fd_attr (int fd, struct file_attributes* attr)
+{
+ if (attr->timestamp == (OS_Time)-2) {
+#if defined (_WIN32) && !defined (RTX)
+ HANDLE h = (HANDLE) _get_osfhandle (fd);
+ time_t ret = win32_filetime (h);
+ attr->timestamp = (OS_Time) ret;
#else
- 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;
+ __gnat_stat_to_attr (fd, NULL, attr);
#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. */
-
- 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 (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 += file_day - 1;
-
- /* 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;
-
-#elif defined (_WIN32) && !defined (RTX)
- HANDLE h = (HANDLE) _get_osfhandle (fd);
- time_t ret = win32_filetime (h);
- return (OS_Time) ret;
-
-#else
- struct stat statbuf;
+ return attr->timestamp;
+}
- 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
- }
-#endif
+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. */
void
__gnat_set_file_time_name (char *name, time_t time_stamp)
{
-#if defined (__EMX__) || defined (MSDOS) || defined (__vxworks)
+#if defined (__vxworks)
/* Code to implement __gnat_set_file_time_name for these systems. */
char *
__gnat_get_libraries_from_registry (void)
{
- char *result = (char *) "";
+ char *result = (char *) xmalloc (1);
+
+ result[0] = '\0';
#if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS) \
&& ! defined (RTX)
for (index = 0; res == ERROR_SUCCESS; index++)
{
value_size = name_size = 256;
- res = RegEnumValueA (reg_key, index, (TCHAR*)name, &name_size, 0,
+ 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 __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. */
+ WIN32_FILE_ATTRIBUTE_DATA fad;
TCHAR wname [GNAT_MAX_PATH_LEN + 2];
int name_len;
- TCHAR last_char;
+ BOOL res;
S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
name_len = _tcslen (wname);
if (name_len > GNAT_MAX_PATH_LEN)
return -1;
- last_char = wname[name_len - 1];
-
- while (name_len > 1 && (last_char == _T('\\') || last_char == _T('/')))
- {
- wname[name_len - 1] = _T('\0');
- name_len--;
- last_char = wname[name_len - 1];
+ ZeroMemory (statbuf, sizeof(GNAT_STRUCT_STAT));
+
+ res = GetFileAttributesEx (wname, GetFileExInfoStandard, &fad);
+
+ if (res == FALSE)
+ switch (GetLastError()) {
+ case ERROR_ACCESS_DENIED:
+ case ERROR_SHARING_VIOLATION:
+ case ERROR_LOCK_VIOLATION:
+ case ERROR_SHARING_BUFFER_EXCEEDED:
+ return EACCES;
+ case ERROR_BUFFER_OVERFLOW:
+ return ENAMETOOLONG;
+ case ERROR_NOT_ENOUGH_MEMORY:
+ return ENOMEM;
+ default:
+ return ENOENT;
}
- /* 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(':'))
- _tcscat (wname, _T("\\"));
+ f2t (&fad.ftCreationTime, &statbuf->st_ctime);
+ f2t (&fad.ftLastWriteTime, &statbuf->st_mtime);
+ f2t (&fad.ftLastAccessTime, &statbuf->st_atime);
- return _tstat (wname, statbuf);
+ statbuf->st_size = (off_t)fad.nFileSizeLow;
+
+ /* We do not have the S_IEXEC attribute, but this is not used on GNAT. */
+ statbuf->st_mode = S_IREAD;
+
+ if (fad.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
+ statbuf->st_mode |= S_IFDIR;
+ else
+ statbuf->st_mode |= S_IFREG;
+
+ if (!(fad.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
+ statbuf->st_mode |= S_IWRITE;
+
+ return 0;
#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)
{
-#ifdef __MINGW32__
- /* On Windows do not use __gnat_stat() because 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];
+ if (attr->exists == ATTR_UNSET) {
+ __gnat_stat_to_attr (-1, name, attr);
+ }
- S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
- return GetFileAttributes (wname) != INVALID_FILE_ATTRIBUTES;
-#else
- struct stat statbuf;
+ return attr->exists;
+}
- return !__gnat_stat (name, &statbuf);
-#endif
+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)
{
#else
return (length != 0) &&
(*name == '/' || *name == DIR_SEPARATOR
-#if defined (__EMX__) || defined (MSDOS) || defined (WINNT)
+#if defined (WINNT)
|| (length > 1 && ISALPHA (name[0]) && name[1] == ':')
#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;
-
- ret = __gnat_stat (name, &statbuf);
- return (!ret && S_ISDIR (statbuf.st_mode));
+ 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);
+
+ 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
PRIVILEGE_SET PrivilegeSet;
DWORD dwPrivSetSize = sizeof (PRIVILEGE_SET);
BOOL fAccessGranted = FALSE;
- HANDLE hToken;
- DWORD nLength;
+ HANDLE hToken = NULL;
+ DWORD nLength = 0;
SECURITY_DESCRIPTOR* pSD = NULL;
GetFileSecurity
(wname, OWNER_SECURITY_INFORMATION |
GROUP_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION,
pSD, nLength, &nLength))
- return 0;
+ goto error;
if (!ImpersonateSelf (SecurityImpersonation))
- return 0;
+ goto error;
if (!OpenThreadToken
(GetCurrentThread(), TOKEN_DUPLICATE | TOKEN_QUERY, FALSE, &hToken))
- return 0;
+ goto error;
/* Undoes the effect of ImpersonateSelf. */
&dwPrivSetSize, /* size of PrivilegeSet buffer */
&dwAccessAllowed, /* receives mask of allowed access rights */
&fAccessGranted))
- return 0;
+ goto error;
+ CloseHandle (hToken);
+ HeapFree (GetProcessHeap (), 0, pSD);
return fAccessGranted;
+
+ error:
+ if (hToken)
+ CloseHandle (hToken);
+ HeapFree (GetProcessHeap (), 0, pSD);
+ return 0;
}
static void
DWORD AccessMode,
DWORD AccessPermissions)
{
- ACL* pOldDACL = NULL;
- ACL* pNewDACL = NULL;
- SECURITY_DESCRIPTOR* pSD = NULL;
+ PACL pOldDACL = NULL;
+ PACL pNewDACL = NULL;
+ PSECURITY_DESCRIPTOR pSD = NULL;
EXPLICIT_ACCESS ea;
TCHAR username [100];
DWORD unsize = 100;
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 (char *name)
+__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;
+ TCHAR wname [GNAT_MAX_PATH_LEN + 2];
+ GENERIC_MAPPING GenericMapping;
- S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
+ S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
- ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING));
- GenericMapping.GenericRead = GENERIC_READ;
-
- return __gnat_check_OWNER_ACL (wname, FILE_READ_DATA, GenericMapping);
+ 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
- int ret;
- int mode;
- struct stat statbuf;
-
- ret = stat (name, &statbuf);
- mode = statbuf.st_mode & S_IRUSR;
- return (!ret && mode);
+ __gnat_stat_to_attr (-1, name, attr);
#endif
+ }
+
+ return attr->readable;
}
int
-__gnat_is_writable_file (char *name)
+__gnat_is_readable_file (char *name)
{
+ 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;
+ TCHAR wname [GNAT_MAX_PATH_LEN + 2];
+ GENERIC_MAPPING GenericMapping;
- S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
+ S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
- ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING));
- GenericMapping.GenericWrite = GENERIC_WRITE;
+ if (__gnat_can_use_acl (wname))
+ {
+ ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING));
+ GenericMapping.GenericWrite = GENERIC_WRITE;
- return __gnat_check_OWNER_ACL
- (wname, FILE_WRITE_DATA | FILE_APPEND_DATA, GenericMapping)
- && !(GetFileAttributes (wname) & FILE_ATTRIBUTE_READONLY);
-#else
- int ret;
- int mode;
- struct stat statbuf;
+ 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 = stat (name, &statbuf);
- mode = statbuf.st_mode & S_IWUSR;
- return (!ret && mode);
+#else
+ __gnat_stat_to_attr (-1, name, attr);
#endif
+ }
+
+ return attr->writable;
}
int
-__gnat_is_executable_file (char *name)
+__gnat_is_writable_file (char *name)
+{
+ 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;
+ TCHAR wname [GNAT_MAX_PATH_LEN + 2];
+ GENERIC_MAPPING GenericMapping;
- S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
+ S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
- ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING));
- GenericMapping.GenericExecute = GENERIC_EXECUTE;
+ if (__gnat_can_use_acl (wname))
+ {
+ ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING));
+ GenericMapping.GenericExecute = GENERIC_EXECUTE;
- return __gnat_check_OWNER_ACL (wname, FILE_EXECUTE, GenericMapping);
+ 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
- int ret;
- int mode;
- struct stat statbuf;
-
- ret = stat (name, &statbuf);
- mode = statbuf.st_mode & S_IXUSR;
- return (!ret && mode);
+ __gnat_stat_to_attr (-1, name, attr);
#endif
+ }
+
+ return attr->executable;
+}
+
+int
+__gnat_is_executable_file (char *name)
+{
+ struct file_attributes attr;
+ __gnat_reset_attributes (&attr);
+ return __gnat_is_executable_file_attr (name, &attr);
}
void
S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
- __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_WRITE);
+ 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__)
- struct stat statbuf;
+ GNAT_STRUCT_STAT statbuf;
- if (stat (name, &statbuf) == 0)
+ if (GNAT_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);
- __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_EXECUTE);
+ if (__gnat_can_use_acl (wname))
+ __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_EXECUTE);
+
#elif ! defined (__vxworks) && ! defined(__nucleus__)
- struct stat statbuf;
+ GNAT_STRUCT_STAT statbuf;
- if (stat (name, &statbuf) == 0)
+ if (GNAT_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);
- __gnat_set_OWNER_ACL
- (wname, DENY_ACCESS,
- FILE_WRITE_DATA | FILE_APPEND_DATA |
- FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES);
+ 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__)
- struct stat statbuf;
+ GNAT_STRUCT_STAT statbuf;
- if (stat (name, &statbuf) == 0)
+ if (GNAT_STAT (name, &statbuf) == 0)
{
statbuf.st_mode = statbuf.st_mode & 07577;
chmod (name, statbuf.st_mode);
S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
- __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_READ);
+ if (__gnat_can_use_acl (wname))
+ __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_READ);
+
#elif ! defined (__vxworks) && ! defined(__nucleus__)
- struct stat statbuf;
+ GNAT_STRUCT_STAT statbuf;
- if (stat (name, &statbuf) == 0)
+ if (GNAT_STAT (name, &statbuf) == 0)
{
chmod (name, statbuf.st_mode | S_IREAD);
}
S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
- __gnat_set_OWNER_ACL (wname, DENY_ACCESS, FILE_GENERIC_READ);
+ if (__gnat_can_use_acl (wname))
+ __gnat_set_OWNER_ACL (wname, DENY_ACCESS, FILE_GENERIC_READ);
+
#elif ! defined (__vxworks) && ! defined(__nucleus__)
- struct stat statbuf;
+ GNAT_STRUCT_STAT statbuf;
- if (stat (name, &statbuf) == 0)
+ if (GNAT_STAT (name, &statbuf) == 0)
{
chmod (name, statbuf.st_mode & (~S_IREAD));
}
}
int
-__gnat_is_symbolic_link (char *name ATTRIBUTE_UNUSED)
+__gnat_is_symbolic_link_attr (char* name, struct file_attributes* attr)
{
+ if (attr->symbolic_link == ATTR_UNSET) {
#if defined (__vxworks) || defined (__nucleus__)
- return 0;
+ attr->symbolic_link = 0;
#elif defined (_AIX) || defined (__APPLE__) || defined (__unix__)
- int ret;
- struct stat statbuf;
-
- ret = lstat (name, &statbuf);
- return (!ret && S_ISLNK (statbuf.st_mode));
-
+ int ret;
+ GNAT_STRUCT_STAT statbuf;
+ ret = GNAT_LSTAT (name, &statbuf);
+ attr->symbolic_link = (!ret && S_ISLNK (statbuf.st_mode));
#else
- return 0;
+ attr->symbolic_link = 0;
#endif
+ }
+ return attr->symbolic_link;
+}
+
+int
+__gnat_is_symbolic_link (char *name ATTRIBUTE_UNUSED)
+{
+ struct file_attributes attr;
+ __gnat_reset_attributes (&attr);
+ return __gnat_is_symbolic_link_attr (name, &attr);
+
}
#if defined (sun) && defined (__SVR4)
#if defined (__vxworks) || defined(__nucleus__) || defined(RTX)
return -1;
-#elif defined (MSDOS) || defined (_WIN32)
+#elif 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
-#ifdef __EMX__
- pid = spawnvp (P_NOWAIT, args[0], args);
- if (pid == -1)
- return -1;
-
-#else
pid = fork ();
if (pid < 0)
return -1;
_exit (1);
#endif
}
-#endif
/* The parent. */
finished = waitpid (pid, &status, 0);
#endif
}
+int
+__gnat_number_of_cpus (void)
+{
+ int cores = 1;
+
+#if defined (linux) || defined (sun) || defined (AIX) \
+ || (defined (__alpha__) && defined (_osf_)) || defined (__APPLE__)
+ cores = (int) sysconf (_SC_NPROCESSORS_ONLN);
+
+#elif (defined (__mips) && defined (__sgi))
+ cores = (int) sysconf (_SC_NPROC_ONLN);
+
+#elif defined (__hpux__)
+ struct pst_dynamic psd;
+ if (pstat_getdynamic (&psd, sizeof (psd), 1, 0) != -1)
+ cores = (int) psd.psd_proc_cnt;
+
+#elif defined (_WIN32)
+ SYSTEM_INFO sysinfo;
+ GetSystemInfo (&sysinfo);
+ cores = (int) sysinfo.dwNumberOfProcessors;
+
+#elif defined (VMS)
+ int code = SYI$_ACTIVECPU_CNT;
+ unsigned int res;
+ int status;
+
+ status = LIB$GETSYI (&code, &res);
+ if ((status & 1) != 0)
+ cores = res;
+#endif
+
+ return cores;
+}
+
/* WIN32 code to implement a wait call that wait for any child process. */
#if defined (_WIN32) && !defined (RTX)
#endif
-typedef struct _process_list
-{
- HANDLE h;
- struct _process_list *next;
-} Process_List;
-
-static Process_List *PLIST = NULL;
-
-static int plist_length = 0;
+static HANDLE *HANDLES_LIST = NULL;
+static int *PID_LIST = NULL, plist_length = 0, plist_max_length = 0;
static void
-add_handle (HANDLE h)
+add_handle (HANDLE h, int pid)
{
- Process_List *pl;
-
- pl = (Process_List *) xmalloc (sizeof (Process_List));
/* -------------------- critical section -------------------- */
(*Lock_Task) ();
- pl->h = h;
- pl->next = PLIST;
- PLIST = pl;
+ 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);
+ }
+
+ HANDLES_LIST[plist_length] = h;
+ PID_LIST[plist_length] = pid;
++plist_length;
(*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;
+ int j;
/* -------------------- critical section -------------------- */
(*Lock_Task) ();
- pl = PLIST;
- while (pl)
+ 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 -------------------- */
}
-static int
-win32_no_block_spawn (char *command, char *args[])
+static void
+win32_no_block_spawn (char *command, char *args[], HANDLE *h, int *pid)
{
BOOL result;
STARTUPINFO SI;
if (result == TRUE)
{
- add_handle (PI.hProcess);
CloseHandle (PI.hThread);
- return (int) PI.hProcess;
+ *h = PI.hProcess;
+ *pid = PI.dwProcessId;
}
else
- return -1;
+ {
+ *h = NULL;
+ *pid = 0;
+ }
}
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)
hl = (HANDLE *) xmalloc (sizeof (HANDLE) * hl_len);
- pl = PLIST;
- while (pl)
- {
- hl[k++] = pl->h;
- pl = pl->next;
- }
+ memmove (hl, HANDLES_LIST, sizeof (HANDLE) * hl_len);
(*Unlock_Task) ();
/* -------------------- critical section -------------------- */
res = WaitForMultipleObjects (hl_len, hl, FALSE, INFINITE);
h = hl[res - WAIT_OBJECT_0];
- free (hl);
-
- remove_handle (h);
GetExitCodeProcess (h, &exitcode);
- CloseHandle (h);
+ pid = PID_LIST [res - WAIT_OBJECT_0];
+ __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 (__vxworks) || defined (__nucleus__) || defined (RTX)
return -1;
-#elif defined (__EMX__) || defined (MSDOS)
+#elif defined (_WIN32)
- /* ??? 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
- exactly like the blocking portable_spawn and will systematically return
- a pid of 0 unless the spawned task did not complete successfully, in
- which case we return a pid of -1. To synchronize with this the
- portable_wait below systematically returns a pid of 0 and reports that
- the subprocess terminated successfully. */
+ HANDLE h = NULL;
+ int pid;
- if (spawnvp (P_WAIT, args[0], args) != 0)
+ win32_no_block_spawn (args[0], args, &h, &pid);
+ if (h != NULL)
+ {
+ add_handle (h, pid);
+ return pid;
+ }
+ else
return -1;
-#elif defined (_WIN32)
-
- pid = win32_no_block_spawn (args[0], args);
- return pid;
-
#else
- pid = fork ();
+
+ int pid = fork ();
if (pid == 0)
{
#endif
}
-#endif
-
return pid;
+
+ #endif
}
int
int pid = 0;
#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. */
+ /* Not sure what to do here, so do nothing but return zero. */
#elif defined (_WIN32)
pid = win32_wait (&status);
-#elif defined (__EMX__) || defined (MSDOS)
- /* ??? See corresponding comment in portable_no_block_spawn. */
-
#else
pid = waitpid (-1, &status, 0);
{
/* The result has to be smaller than path_val + file_name. */
- char *file_path = (char *) alloca (strlen (path_val) + strlen (file_name) + 2);
+ char *file_path =
+ (char *) alloca (strlen (path_val) + strlen (file_name) + 2);
for (;;)
{
- for (; *path_val == PATH_SEPARATOR; path_val++)
- ;
-
- if (*path_val == 0)
- return 0;
-
/* Skip the starting quote */
if (*path_val == '"')
for (ptr = file_path; *path_val && *path_val != PATH_SEPARATOR; )
*ptr++ = *path_val++;
- ptr--;
+ /* If directory is empty, it is the current directory*/
+
+ if (ptr == file_path)
+ {
+ *ptr = '.';
+ }
+ else
+ ptr--;
/* Skip the ending quote */
if (__gnat_is_regular_file (file_path))
return xstrdup (file_path);
+
+ if (*path_val == 0)
+ return 0;
+
+ /* Skip path separator */
+
+ path_val++;
}
}
char *ptr;
if (!strstr (exec_name, HOST_EXECUTABLE_SUFFIX))
{
- char *full_exec_name
- = (char *) alloca (strlen (exec_name) + strlen (HOST_EXECUTABLE_SUFFIX) + 1);
+ char *full_exec_name =
+ (char *) alloca
+ (strlen (exec_name) + strlen (HOST_EXECUTABLE_SUFFIX) + 1);
strcpy (full_exec_name, exec_name);
strcat (full_exec_name, HOST_EXECUTABLE_SUFFIX);
char *
__gnat_to_canonical_file_list_next (void)
{
- return (char *) "";
+ static char empty[] = "";
+ return empty;
}
void
#endif
-/* For EMX, we cannot include dummy in libgcc, since it is too difficult
- to coordinate this with the EMX distribution. Consequently, we put the
- definition of dummy which is used for exception handling, here. */
-
-#if defined (__EMX__)
-void __dummy () {}
-#endif
-
#if defined (__mips_vxworks)
int
_flush_cache()
&& ! (defined (linux) && defined (__ia64__)) \
&& ! (defined (linux) && defined (powerpc)) \
&& ! defined (__FreeBSD__) \
+ && ! defined (__Lynx__) \
&& ! defined (__hpux__) \
&& ! defined (__APPLE__) \
&& ! defined (_AIX) \
{
#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;
}
return -1;
if (close_on_exec_p)
return ! SetHandleInformation (h, HANDLE_FLAG_INHERIT, 0);
- return ! SetHandleInformation (h, HANDLE_FLAG_INHERIT,
+ return ! SetHandleInformation (h, HANDLE_FLAG_INHERIT,
HANDLE_FLAG_INHERIT);
#else
/* TODO: Unimplemented. */
/* Indicates if platforms supports automatic initialization through the
constructor mechanism */
int
-__gnat_binder_supports_auto_init ()
+__gnat_binder_supports_auto_init (void)
{
#ifdef VMS
return 0;
/* Indicates that Stand-Alone Libraries are automatically initialized through
the constructor mechanism */
int
-__gnat_sals_init_using_constructors ()
+__gnat_sals_init_using_constructors (void)
{
#if defined (__vxworks) || defined (__Lynx__) || defined (VMS)
return 0;
#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) {
+void *__gnat_lwp_self (void)
+{
return (void *) syscall (__NR_gettid);
}
#endif
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