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Re: Windows Build Issue: function getpass prototype needed

From: Mark D. Baushke
Subject: Re: Windows Build Issue: function getpass prototype needed
Date: Tue, 11 May 2004 17:37:31 -0700

Conrad T. Pino <Conrad@Pino.com> writes:

> Hi Mark & Derek,
> > From: Derek Robert Price
> > 
> > Mark D. Baushke wrote:
> > 
> > > Actually, for a C89 or C99 prototype, you can drop the 'extern ' part
> > > of the line and just use:
> > >
> > > char * getpass (const char *prompt);
> > >
> > > for what it is worth, under FreeBSD and GNU/Linux, the declaration is
> > > found in the <unistd.h> include file.
> > >
> > > >I'd like some input as to the best place to put it.
> > >
> > > I suppose it would make as much sense as anything to have you creatae
> > > a windows-NT\unistd.h file and change windows-NT/config.h to
> > > '#define HAVE_UNISTD_H' instead of using a #undef for it.
> > >
> > > Are there any other opinions out there?
> > 
> > That works for me.
> Suggestion works very well.  Warning gone with no side effects.
> Pleas comment on proposed "windows-NT/unistd.h" file that follows.

Typically system file.h files are protected against multiple inclusion
with a '#ifndef FILE_H' '#define FILE_H' '#endif /* file.h */' wrapper.

If we care, the <unistd.h> file contents are mandated by
"POSIX Standard: 2.10 Symbolic constants" and other functions
may also be added to it...

A partial list appears to be here http://cplus.kompf.de/posixlist.html
after looking at a quick google search.

> Conrad
> /* unistd.h -- Unix standard function prototypes
>    Copyright (C) 2004 Free Software Foundation, Inc.
>    This program is free software; you can redistribute it and/or modify
>    it under the terms of the GNU General Public License as published by
>    the Free Software Foundation; either version 2, or (at your option)
>    any later version.
>    This program is distributed in the hope that it will be useful,
>    but WITHOUT ANY WARRANTY; without even the implied warranty of
>    GNU General Public License for more details.
>    You should have received a copy of the GNU General Public License
>    along with this program; if not, write to the Free Software Foundation,
>    Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
> /* Written by Conrad T. Pino and Mark D. Baushke */
#ifndef UNISTD_H
#define UNISTD_H
> char * getpass (const char *prompt);

#if 0 /* someday maybe these should be added here as well */
int mkdir (const char *pathname, mode_t mode);
int rmdir (const char *pathname);
int chdir (const char *path);
int link (const char *oldpath, const char *newpath);
int unlink (const char *pathname);
int rename (const char *oldpath, const char *newpath);
int stat (const char *file_name, struct stat *buf);
int chmod (const char *path, mode_t mode);
int chown (const char *path, uid_t owner, gid_t group);
int utime (const char *filename, struct utimbuf *buf);
DIR *opendir (const char *name);
struct dirent *readdir(DIR *dir);
int closedir (DIR *dir);
void rewinddir (DIR *dir);
int access (const char *pathname, int mode);
int open (const char *pathname, int flags);
int creat (const char *pathname, mode_t mode);
int close (int fd);
ssize_t read (int fd, void *buf, size_t count);
ssize_t write (int fd, const void *buf, size_t count);
int fcntl (int fd, int cmd);
int fstat (int filedes, struct stat *buf);
off_t lseek (int fildes, off_t offset, int whence);
int dup (int oldfd);
int dup2 (int oldfd, int newfd);
int pipe (int filedes[2]);
mode_t umask (mode_t mask);
FILE *fdopen (int fildes, const char *mode);
int fileno (FILE *stream);
pid_t fork (void);
int execl (const char *path, const char *arg, ...);
int execle (const char *path, const char *arg, ...);
int execlp (const char *file, const char *arg, ...);
int execv (const char *path, char *const argv[]);
int execve (const char *path, char *const argv[],
            char *const envp[]);
int execvp (const char *file, char *const argv[]);
pid_t waitpid (pid_t pid, int *status, int options);
pid_t waitpid (pid_t pid, int *status, int options);
void _exit (int status);
int kill (pid_t pid, int sig);
unsigned int sleep (unsigned int seconds);
int pause (void);
unsigned int alarm (unsigned int seconds);
int setuid (uid_t uid);
int setgid (gid_t gid);

#endif /* someday */

#endif /* unitstd.h */

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