All 64-bit CRT libraries except the msvcrt.dll provides native _fstat32, _stat32 and _wstat32 functions. 64-bit system os msvcrt.dll is an exception and does not contain these function. So implement mingw-w64 emulation of these functions via the 64-bit variants of stat functions.
Reported issue: https://github.com/mingw-w64/mingw-w64/issues/103 --- mingw-w64-crt/Makefile.am | 6 +++++ mingw-w64-crt/stdio/_fstat32.c | 48 ++++++++++++++++++++++++++++++++++ mingw-w64-crt/stdio/_stat32.c | 48 ++++++++++++++++++++++++++++++++++ mingw-w64-crt/stdio/_wstat32.c | 48 ++++++++++++++++++++++++++++++++++ 4 files changed, 150 insertions(+) create mode 100644 mingw-w64-crt/stdio/_fstat32.c create mode 100644 mingw-w64-crt/stdio/_stat32.c create mode 100644 mingw-w64-crt/stdio/_wstat32.c diff --git a/mingw-w64-crt/Makefile.am b/mingw-w64-crt/Makefile.am index 347b72897045..f603456693e4 100644 --- a/mingw-w64-crt/Makefile.am +++ b/mingw-w64-crt/Makefile.am @@ -626,6 +626,9 @@ src_msvcrt64=\ misc/wcsnlen.c \ misc/wctob.c \ stdio/_fseeki64.c \ + stdio/_fstat32.c \ + stdio/_stat32.c \ + stdio/_wstat32.c \ string/wcstok.c # Files included in libmsvcrt-os.a (for msvcrt.dll) on arm32 @@ -779,7 +782,10 @@ src_msvcrtarm64=\ misc/_getpid.c \ misc/__initenv.c \ misc/__winitenv.c \ + stdio/_fstat32.c \ stdio/_setmaxstdio.c \ + stdio/_stat32.c \ + stdio/_wstat32.c \ stdio/gets.c if ARM64EC diff --git a/mingw-w64-crt/stdio/_fstat32.c b/mingw-w64-crt/stdio/_fstat32.c new file mode 100644 index 000000000000..2b4bbf4f2bae --- /dev/null +++ b/mingw-w64-crt/stdio/_fstat32.c @@ -0,0 +1,48 @@ +/** + * This file has no copyright assigned and is placed in the Public Domain. + * This file is part of the mingw-w64 runtime package. + * No warranty is given; refer to the file DISCLAIMER.PD within this package. + */ + +#include <sys/stat.h> +#include <stdint.h> +#include <errno.h> + +/* When the file time does not fit into the st_Xtime field: + * crtdll-msvcr71 msvcr80+ + * st_Xtime -1 -1 + * errno no change EINVAL + * returns 0 0 + * + * When the file size does not fit into the st_size field: + * crtdll-msvcr90 msvcr100 msvcr110+ + * st_size truncate 0 0 + * errno no change no change EOVERFLOW + * returns 0 -1 -1 + * + * This file is used only for 64-bit msvcrt.dll builds. + * The stat function on 32-bit system os msvcrt.dll behaves + * like the msvcr80/msvcr90, so use this behavior. + */ +int __cdecl _fstat32(int _FileDes,struct _stat32 *_Stat) +{ + struct _stat64 st; + int ret=_fstat64(_FileDes,&st); + if (ret != 0) + return ret; + _Stat->st_dev=st.st_dev; + _Stat->st_ino=st.st_ino; + _Stat->st_mode=st.st_mode; + _Stat->st_nlink=st.st_nlink; + _Stat->st_uid=st.st_uid; + _Stat->st_gid=st.st_gid; + _Stat->st_rdev=st.st_rdev; + _Stat->st_size=(_off_t) st.st_size; /* truncate 64-bit st_size to 32-bit */ + _Stat->st_atime=((st.st_atime < 0 || st.st_atime > INT32_MAX) ? -1 : st.st_atime); + _Stat->st_mtime=((st.st_mtime < 0 || st.st_mtime > INT32_MAX) ? -1 : st.st_mtime); + _Stat->st_ctime=((st.st_ctime < 0 || st.st_ctime > INT32_MAX) ? -1 : st.st_ctime); + if (_Stat->st_atime == -1 || _Stat->st_mtime == -1 || _Stat->st_ctime == -1) + errno = EINVAL; + return 0; +} +int (__cdecl *__MINGW_IMP_SYMBOL(_fstat32))(int, struct _stat32 *) = _fstat32; diff --git a/mingw-w64-crt/stdio/_stat32.c b/mingw-w64-crt/stdio/_stat32.c new file mode 100644 index 000000000000..34cb4e3bcf5b --- /dev/null +++ b/mingw-w64-crt/stdio/_stat32.c @@ -0,0 +1,48 @@ +/** + * This file has no copyright assigned and is placed in the Public Domain. + * This file is part of the mingw-w64 runtime package. + * No warranty is given; refer to the file DISCLAIMER.PD within this package. + */ + +#include <sys/stat.h> +#include <stdint.h> +#include <errno.h> + +/* When the file time does not fit into the st_Xtime field: + * crtdll-msvcr71 msvcr80+ + * st_Xtime -1 -1 + * errno no change EINVAL + * returns 0 0 + * + * When the file size does not fit into the st_size field: + * crtdll-msvcr90 msvcr100 msvcr110+ + * st_size truncate 0 0 + * errno no change no change EOVERFLOW + * returns 0 -1 -1 + * + * This file is used only for 64-bit msvcrt.dll builds. + * The stat function on 32-bit system os msvcrt.dll behaves + * like the msvcr80/msvcr90, so use this behavior. + */ +int __cdecl _stat32(const char *_Name,struct _stat32 *_Stat) +{ + struct _stat64 st; + int ret=_stat64(_Name,&st); + if (ret != 0) + return ret; + _Stat->st_dev=st.st_dev; + _Stat->st_ino=st.st_ino; + _Stat->st_mode=st.st_mode; + _Stat->st_nlink=st.st_nlink; + _Stat->st_uid=st.st_uid; + _Stat->st_gid=st.st_gid; + _Stat->st_rdev=st.st_rdev; + _Stat->st_size=(_off_t) st.st_size; /* truncate 64-bit st_size to 32-bit */ + _Stat->st_atime=((st.st_atime < 0 || st.st_atime > INT32_MAX) ? -1 : st.st_atime); + _Stat->st_mtime=((st.st_mtime < 0 || st.st_mtime > INT32_MAX) ? -1 : st.st_mtime); + _Stat->st_ctime=((st.st_ctime < 0 || st.st_ctime > INT32_MAX) ? -1 : st.st_ctime); + if (_Stat->st_atime == -1 || _Stat->st_mtime == -1 || _Stat->st_ctime == -1) + errno = EINVAL; + return 0; +} +int (__cdecl *__MINGW_IMP_SYMBOL(_stat32))(const char *, struct _stat32 *) = _stat32; diff --git a/mingw-w64-crt/stdio/_wstat32.c b/mingw-w64-crt/stdio/_wstat32.c new file mode 100644 index 000000000000..8ef681a429c1 --- /dev/null +++ b/mingw-w64-crt/stdio/_wstat32.c @@ -0,0 +1,48 @@ +/** + * This file has no copyright assigned and is placed in the Public Domain. + * This file is part of the mingw-w64 runtime package. + * No warranty is given; refer to the file DISCLAIMER.PD within this package. + */ + +#include <sys/stat.h> +#include <stdint.h> +#include <errno.h> + +/* When the file time does not fit into the st_Xtime field: + * crtdll-msvcr71 msvcr80+ + * st_Xtime -1 -1 + * errno no change EINVAL + * returns 0 0 + * + * When the file size does not fit into the st_size field: + * crtdll-msvcr90 msvcr100 msvcr110+ + * st_size truncate 0 0 + * errno no change no change EOVERFLOW + * returns 0 -1 -1 + * + * This file is used only for 64-bit msvcrt.dll builds. + * The stat function on 32-bit system os msvcrt.dll behaves + * like the msvcr80/msvcr90, so use this behavior. + */ +int __cdecl _wstat32(const wchar_t *_Name,struct _stat32 *_Stat) +{ + struct _stat64 st; + int ret=_wstat64(_Name,&st); + if (ret != 0) + return ret; + _Stat->st_dev=st.st_dev; + _Stat->st_ino=st.st_ino; + _Stat->st_mode=st.st_mode; + _Stat->st_nlink=st.st_nlink; + _Stat->st_uid=st.st_uid; + _Stat->st_gid=st.st_gid; + _Stat->st_rdev=st.st_rdev; + _Stat->st_size=(_off_t) st.st_size; /* truncate 64-bit st_size to 32-bit */ + _Stat->st_atime=((st.st_atime < 0 || st.st_atime > INT32_MAX) ? -1 : st.st_atime); + _Stat->st_mtime=((st.st_mtime < 0 || st.st_mtime > INT32_MAX) ? -1 : st.st_mtime); + _Stat->st_ctime=((st.st_ctime < 0 || st.st_ctime > INT32_MAX) ? -1 : st.st_ctime); + if (_Stat->st_atime == -1 || _Stat->st_mtime == -1 || _Stat->st_ctime == -1) + errno = EINVAL; + return 0; +} +int (__cdecl *__MINGW_IMP_SYMBOL(_wstat32))(const wchar_t *, struct _stat32 *) = _wstat32; -- 2.20.1 _______________________________________________ Mingw-w64-public mailing list Mingw-w64-public@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mingw-w64-public
