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Re: QNX and stdio extension modules (was: Re: gnulib request)
From: |
Bruno Haible |
Subject: |
Re: QNX and stdio extension modules (was: Re: gnulib request) |
Date: |
Wed, 3 Oct 2007 22:30:39 +0200 |
User-agent: |
KMail/1.5.4 |
Here's the unfinished and untested port to QNX of the stdio extension
modules. Since it's likely to be a better starting point for whomever
volunteers to support that platform than no port at all, I'm committing it.
2007-10-03 Bruno Haible <address@hidden>
Port the stdio extensions to QNX (untested).
* lib/fseterr.c (fseterr): Add support for QNX.
* lib/fbufmode.c (fbufmode): Likewise.
* lib/freadable.c (freadable): Likewise.
* lib/fwritable.c (fwritable): Likewise.
* lib/freading.c (freading): Likewise.
* lib/fwriting.c (fwriting): Likewise.
* lib/freadahead.c (freadahed): Likewise.
* lib/fpurge.c (fpurge): Likewise.
* lib/fseeko.c (rpl_fseeko): Likewise.
*** lib/fbufmode.c.orig 2007-10-03 21:35:27.000000000 +0200
--- lib/fbufmode.c 2007-10-03 01:57:58.000000000 +0200
***************
*** 75,80 ****
--- 75,86 ----
if (fp->__modeflags & __FLAG_NBF)
return _IONBF;
return _IOFBF;
+ #elif defined __QNX__ /* QNX */
+ if (fp->_Mode & _MLBF)
+ return _IOLBF;
+ if (fp->_Mode & _MNBF)
+ return _IONBF;
+ return _IOFBF;
#else
#error "Please port gnulib fbufmode.c to your platform! Look at the setvbuf
implementation."
#endif
*** lib/fpurge.c.orig 2007-10-03 21:35:27.000000000 +0200
--- lib/fpurge.c 2007-10-03 03:00:36.000000000 +0200
***************
*** 104,109 ****
--- 104,118 ----
fp->__bufpos = fp->__bufread;
# endif
return 0;
+ # elif defined __QNX__ /* QNX */
+ fp->_Rback = fp->_Back + sizeof (fp->_Back);
+ fp->_Rsave = NULL;
+ if (fp->_Mode & _MWRITE)
+ /* fp->_Buf <= fp->_Next <= fp->_Wend */
+ fp->_Next = fp->_Buf;
+ else
+ /* fp->_Buf <= fp->_Next <= fp->_Rend */
+ fp->_Rend = fp->_Next;
# else
#error "Please port gnulib fpurge.c to your platform! Look at the
definitions of fflush, setvbuf and ungetc on your system, then report this to
bug-gnulib."
# endif
*** lib/freadable.c.orig 2007-10-03 21:35:27.000000000 +0200
--- lib/freadable.c 2007-10-03 02:05:03.000000000 +0200
***************
*** 32,38 ****
return (fp->_flags & (__SRW | __SRD)) != 0;
#elif defined _IOERR /* AIX, HP-UX, IRIX, OSF/1, Solaris,
mingw */
return (fp->_flag & (_IORW | _IOREAD)) != 0;
#else
! #error "Please port gnulib freadable.c to your platform!"
#endif
}
--- 32,40 ----
return (fp->_flags & (__SRW | __SRD)) != 0;
#elif defined _IOERR /* AIX, HP-UX, IRIX, OSF/1, Solaris,
mingw */
return (fp->_flag & (_IORW | _IOREAD)) != 0;
+ #elif defined __QNX__ /* QNX */
+ return (fp->_Mode & _MOPENR) != 0;
#else
! #error "Please port gnulib freadable.c to your platform! Look at the
definition of fopen, fdopen on your system, then report this to bug-gnulib."
#endif
}
*** lib/freadahead.c.orig 2007-10-03 21:35:27.000000000 +0200
--- lib/freadahead.c 2007-10-03 02:57:27.000000000 +0200
***************
*** 56,61 ****
--- 56,66 ----
# else
return 0;
# endif
+ #elif defined __QNX__ /* QNX */
+ if ((fp->_Mode & _MWRITE) != 0)
+ return 0;
+ /* fp->_Buf <= fp->_Next <= fp->_Rend */
+ return fp->_Rend - fp->_Next;
#else
#error "Please port gnulib freadahead.c to your platform! Look at the
definition of fflush, fread on your system, then report this to bug-gnulib."
#endif
*** lib/freading.c.orig 2007-10-03 21:35:27.000000000 +0200
--- lib/freading.c 2007-10-03 02:19:37.000000000 +0200
***************
*** 40,45 ****
--- 40,48 ----
return (fp->_flag & _IOREAD) != 0;
#elif defined __UCLIBC__ /* uClibc */
return (fp->__modeflags & (__FLAG_READONLY | __FLAG_READING)) != 0;
+ #elif defined __QNX__ /* QNX */
+ return ((fp->_Mode & _MOPENW) == 0
+ || (fp->_Mode & _MREAD) != 0);
#else
#error "Please port gnulib freading.c to your platform!"
#endif
*** lib/fseeko.c.orig 2007-10-03 21:35:27.000000000 +0200
--- lib/fseeko.c 2007-10-03 03:02:38.000000000 +0200
***************
*** 90,95 ****
--- 90,99 ----
|| fp->__bufpos == fp->__bufstart)
&& ((fp->__modeflags & (__FLAG_READONLY | __FLAG_READING)) == 0
|| fp->__bufpos == fp->__bufread))
+ #elif defined __QNX__ /* QNX */
+ if ((fp->_Mode & _MWRITE ? fp->_Next == fp->_Buf : fp->_Next == fp->_Rend)
+ && fp->_Rback == fp->_Back + sizeof (fp->_Back)
+ && fp->_Rsave == NULL)
#else
#error "Please port gnulib fseeko.c to your platform! Look at the code in
fpurge.c, then report this to bug-gnulib."
#endif
*** lib/fseterr.c.orig 2007-10-03 21:35:27.000000000 +0200
--- lib/fseterr.c 2007-10-03 01:48:26.000000000 +0200
***************
*** 47,52 ****
--- 47,54 ----
# endif
#elif defined __UCLIBC__ /* uClibc */
fp->__modeflags |= __FLAG_ERROR;
+ #elif defined __QNX__ /* QNX */
+ fp->_Mode |= _MERR;
#elif 0 /* unknown */
/* Portable fallback, based on an idea by Rich Felker.
Wow! 6 system calls for something that is just a bit operation!
*** lib/fwritable.c.orig 2007-10-03 21:35:27.000000000 +0200
--- lib/fwritable.c 2007-10-03 02:05:10.000000000 +0200
***************
*** 32,38 ****
return (fp->_flags & (__SRW | __SWR)) != 0;
#elif defined _IOERR /* AIX, HP-UX, IRIX, OSF/1, Solaris,
mingw */
return (fp->_flag & (_IORW | _IOWRT)) != 0;
#else
! #error "Please port gnulib fwritable.c to your platform!"
#endif
}
--- 32,40 ----
return (fp->_flags & (__SRW | __SWR)) != 0;
#elif defined _IOERR /* AIX, HP-UX, IRIX, OSF/1, Solaris,
mingw */
return (fp->_flag & (_IORW | _IOWRT)) != 0;
+ #elif defined __QNX__ /* QNX */
+ return (fp->_mode & _MOPENW) != 0;
#else
! #error "Please port gnulib fwritable.c to your platform! Look at the
definition of fopen, fdopen on your system, then report this to bug-gnulib."
#endif
}
*** lib/fwriting.c.orig 2007-10-03 21:35:27.000000000 +0200
--- lib/fwriting.c 2007-10-03 02:22:27.000000000 +0200
***************
*** 34,39 ****
--- 34,42 ----
return (fp->_flag & _IOWRT) != 0;
#elif defined __UCLIBC__ /* uClibc */
return (fp->__modeflags & __FLAG_WRITING) != 0;
+ #elif defined __QNX__ /* QNX */
+ return ((fp->_Mode & _MOPENR) == 0
+ || (fp->_Mode & _MWRITE) != 0);
#else
#error "Please port gnulib fwriting.c to your platform!"
#endif
- Re: gnulib request, Sean Boudreau, 2007/10/01
- Re: gnulib request, Bruno Haible, 2007/10/01
- Re: gnulib request, Sean Boudreau, 2007/10/02
- QNX and stdio extension modules (was: Re: gnulib request), Bruno Haible, 2007/10/02
- Re: QNX and stdio extension modules (was: Re: gnulib request), Sean Boudreau, 2007/10/03
- Re: QNX and stdio extension modules (was: Re: gnulib request), Eric Blake, 2007/10/03
- Re: QNX and stdio extension modules (was: Re: gnulib request), Bruno Haible, 2007/10/03
- Re: QNX and stdio extension modules (was: Re: gnulib request), Sean Boudreau, 2007/10/03
- Re: QNX and stdio extension modules (was: Re: gnulib request),
Bruno Haible <=