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Diffstat (limited to 'gcc/ada/cstreams.c')
| -rw-r--r-- | gcc/ada/cstreams.c | 340 |
1 files changed, 0 insertions, 340 deletions
diff --git a/gcc/ada/cstreams.c b/gcc/ada/cstreams.c deleted file mode 100644 index e714162..0000000 --- a/gcc/ada/cstreams.c +++ /dev/null @@ -1,340 +0,0 @@ -/**************************************************************************** - * * - * GNAT RUN-TIME COMPONENTS * - * * - * C S T R E A M S * - * * - * Auxiliary C functions for Interfaces.C.Streams * - * * - * Copyright (C) 1992-2022, 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 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. * - * * - * 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. * - * * - ****************************************************************************/ - -/* Routines required for implementing routines in Interfaces.C.Streams. */ - -#ifndef _LARGEFILE_SOURCE -#define _LARGEFILE_SOURCE -#endif -#define _FILE_OFFSET_BITS 64 -/* the define above will make off_t a 64bit type on GNU/Linux */ - -/* Tell Cygwin's <stdio.h> to expose fileno_unlocked() */ -#if defined(__CYGWIN__) && !defined(__CYGWIN32__) && !defined(_GNU_SOURCE) -#define _GNU_SOURCE -#endif - -#include <stdio.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <unistd.h> - -#ifdef _AIX -/* needed to avoid conflicting declarations */ -#include <unistd.h> -#include <sys/mman.h> -#endif - -#ifdef __vxworks -#include "vxWorks.h" -#endif - -#ifdef IN_RTS -#include <string.h> -#else -#include "config.h" -#include "system.h" -#endif - -#include "adaint.h" - -#ifdef __cplusplus -extern "C" { -#endif - -#ifdef __linux__ -/* Don't use macros on GNU/Linux since they cause incompatible changes between - glibc 2.0 and 2.1 */ - -#ifdef stderr -# undef stderr -#endif -#ifdef stdin -# undef stdin -#endif -#ifdef stdout -# undef stdout -#endif - -#endif - -/* Don't use macros versions of this functions on VxWorks since they cause - imcompatible changes in some VxWorks versions */ -#ifdef __vxworks -#undef getchar -#undef putchar -#undef feof -#undef ferror -#undef fileno -#endif - -/* The _IONBF value in MINGW32 stdio.h is wrong. */ -#if defined (WINNT) || defined (_WINNT) -#if OLD_MINGW -#undef _IONBF -#define _IONBF 0004 -#endif -#endif - -int -__gnat_feof (FILE *stream) -{ - return (feof (stream)); -} - -int -__gnat_ferror (FILE *stream) -{ - return (ferror (stream)); -} - -int -__gnat_fileno (FILE *stream) -{ - return (fileno (stream)); -} - -/* on some systems, the constants for seek are not defined, if so, then - provide the conventional definitions */ - -#ifndef SEEK_SET -#define SEEK_SET 0 /* Set file pointer to offset */ -#define SEEK_CUR 1 /* Set file pointer to its current value plus offset */ -#define SEEK_END 2 /* Set file pointer to the size of the file plus offset */ -#endif - -/* if L_tmpnam is not set, use a large number that should be safe */ -#ifndef L_tmpnam -#define L_tmpnam 256 -#endif - -int __gnat_constant_eof = EOF; -int __gnat_constant_iofbf = _IOFBF; -int __gnat_constant_iolbf = _IOLBF; -int __gnat_constant_ionbf = _IONBF; -int __gnat_constant_l_tmpnam = L_tmpnam; -int __gnat_constant_seek_cur = SEEK_CUR; -int __gnat_constant_seek_end = SEEK_END; -int __gnat_constant_seek_set = SEEK_SET; - -FILE * -__gnat_constant_stderr (void) -{ - return stderr; -} - -FILE * -__gnat_constant_stdin (void) -{ - return stdin; -} - -FILE * -__gnat_constant_stdout (void) -{ - return stdout; -} - -char * -__gnat_full_name (char *nam, char *buffer) -{ -#ifdef RTSS - /* RTSS applications have no current-directory notion, so RTSS file I/O - requests must use fully qualified path names, such as: - c:\temp\MyFile.txt (for a file system object) - \\.\MyDevice0 (for a device object) - */ - if (nam[1] == ':' || nam[0] == '\\') - strcpy (buffer, nam); - else - buffer[0] = '\0'; - -#elif defined (__MINGW32__) - /* If this is a device file return it as is; - under Windows NT a device file ends with ":". */ - if (nam[strlen (nam) - 1] == ':') - strcpy (buffer, nam); - else - { - char *p; - - _fullpath (buffer, nam, __gnat_max_path_len); - - for (p = buffer; *p; p++) - if (*p == '/') - *p = '\\'; - } - -#elif defined (__FreeBSD__) || defined (__DragonFly__) || defined (__OpenBSD__) - - /* Use realpath function which resolves links and references to . and .. - on those Unix systems that support it. Note that GNU/Linux provides it but - cannot handle more than 5 symbolic links in a full name, so we use the - getcwd approach instead. */ - realpath (nam, buffer); - -#elif defined (__QNX__) - - int length; - - if (__gnat_is_absolute_path (nam, strlen (nam))) - realpath (nam, buffer); - else - { - length = __gnat_max_path_len; - __gnat_get_current_dir (buffer, &length); - strncat (buffer, nam, __gnat_max_path_len - length - 1); - } - -#elif defined (__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. Use the __gnat_is_absolute_path - to verify it. */ - - int length; - - if (__gnat_is_absolute_path (nam, strlen (nam))) - strcpy (buffer, nam); - - else - { - length = __gnat_max_path_len; - __gnat_get_current_dir (buffer, &length); - strncat (buffer, nam, __gnat_max_path_len - length - 1); - } - -#else - if (nam[0] != '/') - { - char *p = getcwd (buffer, __gnat_max_path_len); - - if (p == 0) - { - buffer[0] = '\0'; - return 0; - } - - - /* If the name returned is an absolute path, it is safe to append '/' - to the path and concatenate the name of the file. */ - if (buffer[0] == '/') - strcat (buffer, "/"); - - strcat (buffer, nam); - } - else - strcpy (buffer, nam); -#endif - - return buffer; -} - -#ifdef _WIN32 - /* On Windows we want to use the fseek/fteel supporting large files. This - issue is due to the fact that a long on Win64 is still a 32 bits value */ -__int64 -__gnat_ftell64 (FILE *stream) -{ - return _ftelli64 (stream); -} - -int -__gnat_fseek64 (FILE *stream, __int64 offset, int origin) -{ - return _fseeki64 (stream, offset, origin); -} - -#elif defined (__linux__) || defined (__sun__) || defined (__FreeBSD__) \ - || defined (__APPLE__) -/* section for platforms having ftello/fseeko */ - -__int64 -__gnat_ftell64 (FILE *stream) -{ - return (__int64)ftello (stream); -} - -int -__gnat_fseek64 (FILE *stream, __int64 offset, int origin) -{ - /* make sure that the offset is not bigger than the OS off_t, if so return - with error as this mean that we are trying to handle files larger than - 2Gb on a patform not supporting it. */ - if ((off_t)offset == offset) - return fseeko (stream, (off_t) offset, origin); - else - return -1; -} - -#else - -__int64 -__gnat_ftell64 (FILE *stream) -{ - return (__int64)ftell (stream); -} - -int -__gnat_fseek64 (FILE *stream, __int64 offset, int origin) -{ - /* make sure that the offset is not bigger than the OS off_t, if so return - with error as this mean that we are trying to handle files larger than - 2Gb on a patform not supporting it. */ - if ((off_t)offset == offset) - return fseek (stream, (off_t) offset, origin); - else - return -1; -} -#endif - -/* Returns true if the path names a fifo (i.e. a named pipe). */ -int -__gnat_is_fifo (const char* path) -{ -/* Posix defines S_ISFIFO as a macro. If the macro doesn't exist, we return - false. */ -#ifdef S_ISFIFO - struct stat buf; - const int status = stat(path, &buf); - if (status == 0) - return S_ISFIFO(buf.st_mode); -#endif - - /* S_ISFIFO is not available, or stat got an error (probably - file not found). */ - return 0; -} - -#ifdef __cplusplus -} -#endif |