diff options
Diffstat (limited to 'hurd')
| -rw-r--r-- | hurd/fopenport.c | 59 |
1 files changed, 32 insertions, 27 deletions
diff --git a/hurd/fopenport.c b/hurd/fopenport.c index b86f06d..7d017d8 100644 --- a/hurd/fopenport.c +++ b/hurd/fopenport.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1994, 1995, 1997 Free Software Foundation, Inc. +/* Copyright (C) 1994,95,97,2000 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -62,11 +62,13 @@ writeio (void *cookie, const char *buf, size_t n) The current file position is stored in *POS. Returns zero if successful, nonzero if not. */ static int -seekio (void *cookie, fpos_t *pos, int whence) +seekio (void *cookie, off_t *pos, int whence) { - error_t error = __io_seek ((file_t) cookie, *pos, whence, pos); + off_t res; + error_t error = __io_seek ((file_t) cookie, *pos, whence, &res); if (error) return __hurd_fail (error); + *pos = res; return 0; } @@ -82,25 +84,40 @@ closeio (void *cookie) return 0; } -static const __io_functions funcsio = { readio, writeio, seekio, closeio }; +#ifndef USE_IN_LIBIO +#define cookie_io_functions_t __io_functions +#endif +static const cookie_io_functions_t funcsio = +{ readio, writeio, seekio, closeio }; -/* Defined in fopen.c. */ -extern int __getmode (const char *mode, __io_mode *mptr); - - /* Open a stream on PORT. MODE is as for fopen. */ FILE * -__fopenport (mach_port_t port, const char *mode) +fopenport (mach_port_t port, const char *mode) { - register FILE *stream; - __io_mode m; int pflags; + int needflags; error_t err; - if (!__getmode (mode, &m)) - return NULL; + const char *m = mode; + + switch (*m++) + { + case 'r': + needflags = O_READ; + break; + case 'w': + needflags = O_WRITE; + break; + case 'a': + needflags = O_WRITE|O_APPEND; + break; + default: + return NULL; + } + if (m[0] == '+' || (m[0] == 'b' && m[1] == '+')) + needflags |= O_RDWR; /* Verify the PORT is valid allows the access MODE specifies. */ @@ -108,23 +125,11 @@ __fopenport (mach_port_t port, const char *mode) return __hurd_fail (err), NULL; /* Check the access mode. */ - if ((m.__read && !(pflags & O_READ)) || (m.__write && !(pflags & O_WRITE))) + if ((pflags & needflags) != needflags) { errno = EBADF; return NULL; } - stream = __newstream (); - if (stream == NULL) - return NULL; - - stream->__cookie = (void *) port; - stream->__mode = m; - stream->__io_funcs = funcsio; - stream->__room_funcs = __default_room_functions; - stream->__seen = 1; - - return stream; + return fopencookie ((void *) port, mode, funcsio); } - -weak_alias (__fopenport, fopenport) |