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1 | /* classes: h_files */ |
2 | ||
3 | #ifndef FPORTSH | |
4 | #define FPORTSH | |
840ae05d | 5 | /* Copyright (C) 1995,1996,1997,1998,1999 Free Software Foundation, Inc. |
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6 | * |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2, or (at your option) | |
10 | * any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this software; see the file COPYING. If not, write to | |
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19 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
20 | * Boston, MA 02111-1307 USA | |
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21 | * |
22 | * As a special exception, the Free Software Foundation gives permission | |
23 | * for additional uses of the text contained in its release of GUILE. | |
24 | * | |
25 | * The exception is that, if you link the GUILE library with other files | |
26 | * to produce an executable, this does not by itself cause the | |
27 | * resulting executable to be covered by the GNU General Public License. | |
28 | * Your use of that executable is in no way restricted on account of | |
29 | * linking the GUILE library code into it. | |
30 | * | |
31 | * This exception does not however invalidate any other reasons why | |
32 | * the executable file might be covered by the GNU General Public License. | |
33 | * | |
34 | * This exception applies only to the code released by the | |
35 | * Free Software Foundation under the name GUILE. If you copy | |
36 | * code from other Free Software Foundation releases into a copy of | |
37 | * GUILE, as the General Public License permits, the exception does | |
38 | * not apply to the code that you add in this way. To avoid misleading | |
39 | * anyone as to the status of such modified files, you must delete | |
40 | * this exception notice from them. | |
41 | * | |
42 | * If you write modifications of your own for GUILE, it is your choice | |
43 | * whether to permit this exception to apply to your modifications. | |
82892bed | 44 | * If you do not wish that, delete this exception notice. */ |
d3a6bc94 GB |
45 | |
46 | /* Software engineering face-lift by Greg J. Badros, 11-Dec-1999, | |
47 | gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */ | |
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48 | \f |
49 | ||
b4309c3c | 50 | #include "libguile/__scm.h" |
0f2d19dd | 51 | |
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52 | #include "libguile/ports.h" |
53 | ||
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54 | \f |
55 | ||
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56 | /* struct allocated for each buffered FPORT. */ |
57 | struct scm_fport { | |
58 | int fdes; /* file descriptor. */ | |
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59 | }; |
60 | ||
61 | #define SCM_FSTREAM(x) ((struct scm_fport *) SCM_STREAM (x)) | |
62 | #define SCM_FPORT_FDES(x) (SCM_FSTREAM (x)->fdes) | |
63 | ||
d3a6bc94 | 64 | #define SCM_FPORTP(x) (SCM_NIMP(x) && (SCM_TYP16S(x)==scm_tc7_port)) |
f1267706 MD |
65 | #define SCM_OPFPORTP(x) (SCM_NIMP(x) && (((0xfeff | SCM_OPN) & SCM_UNPACK_CAR (x))==(scm_tc7_port | SCM_OPN))) |
66 | #define SCM_OPINFPORTP(x) (SCM_NIMP(x) && (((0xfeff | SCM_OPN | SCM_RDNG) & SCM_UNPACK_CAR (x))==(scm_tc7_port | SCM_OPN | SCM_RDNG))) | |
67 | #define SCM_OPOUTFPORTP(x) (SCM_NIMP(x) && (((0xfeff | SCM_OPN | SCM_WRTNG) & SCM_UNPACK_CAR (x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG))) | |
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68 | |
69 | /* test whether fdes supports random access. */ | |
70 | #define SCM_FDES_RANDOM_P(fdes) ((lseek (fdes, 0, SEEK_CUR) == -1) ? 0 : 1) | |
71 | ||
0f2d19dd | 72 | \f |
93016112 | 73 | extern SCM scm_setbuf0 (SCM port); |
7a6f1ffa | 74 | extern SCM scm_setvbuf (SCM port, SCM mode, SCM size); |
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75 | extern void scm_setfileno (FILE *fs, int fd); |
76 | extern void scm_evict_ports (int fd); | |
77 | extern SCM scm_open_file (SCM filename, SCM modes); | |
e4cd0c0a | 78 | extern SCM scm_fdes_to_port (int fdes, char *mode, SCM name); |
7866a09b | 79 | extern void scm_init_fports (void); |
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80 | |
81 | #endif /* FPORTSH */ | |
89e00824 ML |
82 | |
83 | /* | |
84 | Local Variables: | |
85 | c-file-style: "gnu" | |
86 | End: | |
87 | */ |