| | 1 | /* classes: h_files */ |
| | 2 | |
| | 3 | #ifndef SCM_FPORTS_H |
| | 4 | #define SCM_FPORTS_H |
| | 5 | |
| | 6 | /* Copyright (C) 1995,1996,1997,1998,1999,2000,2001, 2006, 2008, 2009 Free Software Foundation, Inc. |
| | 7 | * |
| | 8 | * This library is free software; you can redistribute it and/or |
| | 9 | * modify it under the terms of the GNU Lesser General Public License |
| | 10 | * as published by the Free Software Foundation; either version 3 of |
| | 11 | * the License, or (at your option) any later version. |
| | 12 | * |
| | 13 | * This library is distributed in the hope that it will be useful, but |
| | 14 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| | 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| | 16 | * Lesser General Public License for more details. |
| | 17 | * |
| | 18 | * You should have received a copy of the GNU Lesser General Public |
| | 19 | * License along with this library; if not, write to the Free Software |
| | 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| | 21 | * 02110-1301 USA |
| | 22 | */ |
| | 23 | |
| | 24 | \f |
| | 25 | |
| | 26 | #include "libguile/__scm.h" |
| | 27 | |
| | 28 | #include "libguile/ports.h" |
| | 29 | |
| | 30 | \f |
| | 31 | |
| | 32 | /* struct allocated for each buffered FPORT. */ |
| | 33 | typedef struct scm_t_fport { |
| | 34 | int fdes; /* file descriptor. */ |
| | 35 | } scm_t_fport; |
| | 36 | |
| | 37 | SCM_API scm_t_bits scm_tc16_fport; |
| | 38 | |
| | 39 | #define SCM_FSTREAM(x) ((scm_t_fport *) SCM_STREAM (x)) |
| | 40 | #define SCM_FPORT_FDES(x) (SCM_FSTREAM (x)->fdes) |
| | 41 | |
| | 42 | #define SCM_FPORTP(x) (!SCM_IMP (x) && (SCM_TYP16 (x) == scm_tc16_fport)) |
| | 43 | #define SCM_OPFPORTP(x) (SCM_FPORTP (x) && (SCM_CELL_WORD_0 (x) & SCM_OPN)) |
| | 44 | #define SCM_OPINFPORTP(x) (SCM_OPFPORTP (x) && (SCM_CELL_WORD_0 (x) & SCM_RDNG)) |
| | 45 | #define SCM_OPOUTFPORTP(x) (SCM_OPFPORTP (x) && (SCM_CELL_WORD_0 (x) & SCM_WRTNG)) |
| | 46 | |
| | 47 | /* test whether fdes supports random access. */ |
| | 48 | #define SCM_FDES_RANDOM_P(fdes) ((lseek (fdes, 0, SEEK_CUR) == -1) ? 0 : 1) |
| | 49 | |
| | 50 | \f |
| | 51 | SCM_API SCM scm_setbuf0 (SCM port); |
| | 52 | SCM_API SCM scm_setvbuf (SCM port, SCM mode, SCM size); |
| | 53 | SCM_API void scm_evict_ports (int fd); |
| | 54 | SCM_API SCM scm_open_file (SCM filename, SCM modes); |
| | 55 | SCM_API SCM scm_fdes_to_port (int fdes, char *mode, SCM name); |
| | 56 | SCM_API SCM scm_file_port_p (SCM obj); |
| | 57 | SCM_INTERNAL void scm_init_fports (void); |
| | 58 | |
| | 59 | /* internal functions */ |
| | 60 | |
| | 61 | SCM_INTERNAL SCM scm_i_fdes_to_port (int fdes, long mode_bits, SCM name); |
| | 62 | |
| | 63 | |
| | 64 | #endif /* SCM_FPORTS_H */ |
| | 65 | |
| | 66 | /* |
| | 67 | Local Variables: |
| | 68 | c-file-style: "gnu" |
| | 69 | End: |
| | 70 | */ |
HCoop / bpt / guile.git / blame_incremental