Mail Archives: djgpp-workers/2000/01/19/07:59:29
Eli Zaretskii wrote:
> > --- djgpp.old/include/libc/stubs.h Mon Sep 8 01:07:18 1997
> > +++ djgpp/include/libc/stubs.h Sun Jan 9 15:06:58 2000
> > @@ -36,6 +36,7 @@
> > #define crlf2nl __crlf2nl
> > #define dosmemget __dosmemget
> > #define dosmemput __dosmemput
> > +#define fchown __fchown
>
> Why did you need to add this? This is only required if some ANSI or
> Posix function calls fchown. I don't think this is the case.
Deleted.
> > + if (func(__FSEXT_read, &rv, &handle))
> ^^^^^^^^^^^^
> This should have been __FSEXT_fchown ;-).
:-) What a absent-mindeness :-) A result of taking
_read.c as a template for fchown.c. Another similar
thingie was extra (C) line with year 1995...
> I thought you wanted to check that the handle is valid, no? As
Now I do check it.
Anyway, below is revised patch version.
Laurynas Biveinis
------------
diff -u -r -N djgpp.old/include/sys/fsext.h djgpp/include/sys/fsext.h
--- djgpp.old/include/sys/fsext.h Mon Jun 29 00:17:44 1998
+++ djgpp/include/sys/fsext.h Fri Jan 14 13:33:20 2000
@@ -31,7 +31,8 @@
__FSEXT_dup,
__FSEXT_dup2,
__FSEXT_fstat,
- __FSEXT_stat
+ __FSEXT_stat,
+ __FSEXT_fchown,
} __FSEXT_Fnumber;
/* _ready gets passed a fd and should return a mask of these,
diff -u -r -N djgpp.old/include/unistd.h djgpp/include/unistd.h
--- djgpp.old/include/unistd.h Sat Dec 25 00:08:40 1999
+++ djgpp/include/unistd.h Tue Jan 18 20:19:42 2000
@@ -129,6 +129,7 @@
int brk(void *_heaptop);
char * dirname(const char *_fn);
int __file_exists(const char *_fn);
+int fchown(int fd, uid_t owner, gid_t group);
int fsync(int _fd);
int ftruncate(int, off_t);
int getdtablesize(void);
diff -u -r -N djgpp.old/src/libc/fsext/fsext.txh djgpp/src/libc/fsext/fsext.txh
--- djgpp.old/src/libc/fsext/fsext.txh Tue Jan 18 20:07:54 2000
+++ djgpp/src/libc/fsext/fsext.txh Tue Jan 18 20:08:58 2000
@@ -109,6 +109,11 @@
A file fstat handler (@pxref{fstat}). The extension should fill in
various status information about the emulated file.
+@item __FSEXT_fchown
+
+A file fchown handler (@pxref{fchown}). This is called when file
+attributtes are changed for an open file.
+
@end table
diff -u -r -N djgpp.old/src/libc/libc.tex djgpp/src/libc/libc.tex
--- djgpp.old/src/libc/libc.tex Sun Nov 28 13:20:48 1999
+++ djgpp/src/libc/libc.tex Tue Jan 18 20:32:20 2000
@@ -107,6 +107,7 @@
* cfsetispeed:: No-op.
* cfsetospeed:: No-op.
* chown:: Trivial.
+* fchown:: Trivial.
* fcntl:: Always fails for all operations except
@code{F_DUPFD} and @code{F_GETFD}.
* fork:: Always fails.
diff -u -r -N djgpp.old/src/libc/posix/unistd/fchown.c djgpp/src/libc/posix/unistd/fchown.c
--- djgpp.old/src/libc/posix/unistd/fchown.c Thu Jan 1 00:00:00 1970
+++ djgpp/src/libc/posix/unistd/fchown.c Wed Jan 19 14:38:42 2000
@@ -0,0 +1,19 @@
+/* Copyright (C) 2000 DJ Delorie, see COPYING.DJ for details */
+#include <sys/fsext.h>
+#include <io.h>
+#include <unistd.h>
+
+/* MS-DOS couldn't care less about file ownerships, so we
+ at least check if given handle is valid. */
+
+int fchown(int fd, uid_t owner, gid_t group)
+{
+ __FSEXT_Function * func = __FSEXT_get_function(fd);
+ if (func)
+ {
+ int rv;
+ if (func(__FSEXT_fchown, &rv, &fd))
+ return rv;
+ }
+ return (_get_dev_info(fd) == -1) ? 1 : 0;
+}
diff -u -r -N djgpp.old/src/libc/posix/unistd/fchown.txh djgpp/src/libc/posix/unistd/fchown.txh
--- djgpp.old/src/libc/posix/unistd/fchown.txh Thu Jan 1 00:00:00 1970
+++ djgpp/src/libc/posix/unistd/fchown.txh Wed Jan 19 14:05:50 2000
@@ -0,0 +1,25 @@
+@node fchown, unix
+@subheading Syntax
+
+@example
+#include <unistd.h>
+
+int fchown(int fd, int owner, int group);
+@end example
+
+@subheading Description
+
+This function does almost nothing under MS-DOS, it just
+checks if the handle @code{fd} is valid. This function can
+be hooked by the @xref{File System Extensions}.
+
+@subheading Return Value
+
+This function returns zero if the handle is valid, non-zero
+otherwise.
+
+
+@subheading Portability
+
+@portability !ansi, !posix
+
diff -u -r -N djgpp.old/src/libc/posix/unistd/makefile djgpp/src/libc/posix/unistd/makefile
--- djgpp.old/src/libc/posix/unistd/makefile Fri Sep 20 02:40:46 1996
+++ djgpp/src/libc/posix/unistd/makefile Sun Jan 9 15:04:38 2000
@@ -18,6 +18,7 @@
SRC += execve.c
SRC += execvp.c
SRC += execvpe.c
+SRC += fchown.c
SRC += fork.c
SRC += fpathcon.c
SRC += getcwd.c
- Raw text -