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* cygwin.din: Add fchdir symbols.

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* path.cc (chdir): Guard against invalid parameter.
         (fchdir): New function.
         * include/cygwin/version.h: Bump API minor version to 40.
         * uinfo.cc (internal_getlogin): Remove unused variable.
This commit is contained in:
Corinna Vinschen
2001-06-10 10:00:21 +00:00
parent d4217d5680
commit 463513f0e2
5 changed files with 36 additions and 10 deletions
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32
winsup/cygwin/path.cc
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@ -2994,8 +2994,14 @@ int
chdir (const char *dir)
{
MALLOC_CHECK;
syscall_printf ("dir %s", dir);
path_conv path (dir, PC_FULL | PC_SYM_FOLLOW);
if (path.error)
{
set_errno (path.error);
syscall_printf ("-1 = chdir (%s)", dir);
return -1;
}
syscall_printf ("dir %s", dir);
char *s;
/* Incredibly. Windows allows you to specify a path with trailing
@ -3005,13 +3011,6 @@ chdir (const char *dir)
for (s = strchr (dir, '\0'); --s >= dir && isspace ((unsigned int) (*s & 0xff)); )
*s = '\0';
if (path.error)
{
set_errno (path.error);
syscall_printf ("-1 = chdir (%s)", dir);
return -1;
}
/* Look for trailing path component consisting entirely of dots. This
is needed only in case of chdir since Windows simply ignores count
of dots > 2 here instead of returning an error code. Counts of dots
@ -3068,6 +3067,23 @@ chdir (const char *dir)
return res;
}
extern "C"
int
fchdir (int fd)
{
sigframe thisframe (mainthread);
if (cygheap->fdtab.not_open (fd))
{
syscall_printf ("-1 = fchdir (%d)", fd);
set_errno (EBADF);
return -1;
}
int ret = chdir (cygheap->fdtab[fd]->get_name ());
syscall_printf ("%d = fchdir (%d)", ret, fd);
return ret;
}
/******************** Exported Path Routines *********************/
/* Cover functions to the path conversion routines.