1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
|
#include "EXTERN.h"
#define PERLIO_NOT_STDIO 1
#include "perl.h"
#include "XSUB.h"
#ifdef I_UNISTD
# include <unistd.h>
#endif
#ifdef I_FCNTL
# include <fcntl.h>
#endif
#ifdef PerlIO
typedef int SysRet;
typedef PerlIO * InputStream;
typedef PerlIO * OutputStream;
#else
#define PERLIO_IS_STDIO 1
typedef int SysRet;
typedef FILE * InputStream;
typedef FILE * OutputStream;
#endif
static int
not_here(s)
char *s;
{
croak("%s not implemented on this architecture", s);
return -1;
}
static bool
constant(name, pval)
char *name;
IV *pval;
{
switch (*name) {
case '_':
if (strEQ(name, "_IOFBF"))
#ifdef _IOFBF
{ *pval = _IOFBF; return TRUE; }
#else
return FALSE;
#endif
if (strEQ(name, "_IOLBF"))
#ifdef _IOLBF
{ *pval = _IOLBF; return TRUE; }
#else
return FALSE;
#endif
if (strEQ(name, "_IONBF"))
#ifdef _IONBF
{ *pval = _IONBF; return TRUE; }
#else
return FALSE;
#endif
break;
case 'S':
if (strEQ(name, "SEEK_SET"))
#ifdef SEEK_SET
{ *pval = SEEK_SET; return TRUE; }
#else
return FALSE;
#endif
if (strEQ(name, "SEEK_CUR"))
#ifdef SEEK_CUR
{ *pval = SEEK_CUR; return TRUE; }
#else
return FALSE;
#endif
if (strEQ(name, "SEEK_END"))
#ifdef SEEK_END
{ *pval = SEEK_END; return TRUE; }
#else
return FALSE;
#endif
break;
}
return FALSE;
}
MODULE = IO PACKAGE = IO::Seekable PREFIX = f
SV *
fgetpos(handle)
InputStream handle
CODE:
if (handle) {
Fpos_t pos;
#ifdef PerlIO
PerlIO_getpos(handle, &pos);
#else
fgetpos(handle, &pos);
#endif
ST(0) = sv_2mortal(newSVpv((char*)&pos, sizeof(Fpos_t)));
}
else {
ST(0) = &sv_undef;
errno = EINVAL;
}
SysRet
fsetpos(handle, pos)
InputStream handle
SV * pos
CODE:
char *p;
if (handle && (p = SvPVx(pos, na)) && na == sizeof(Fpos_t))
#ifdef PerlIO
RETVAL = PerlIO_setpos(handle, (Fpos_t*)p);
#else
RETVAL = fsetpos(handle, (Fpos_t*)p);
#endif
else {
RETVAL = -1;
errno = EINVAL;
}
OUTPUT:
RETVAL
MODULE = IO PACKAGE = IO::File PREFIX = f
SV *
new_tmpfile(packname = "IO::File")
char * packname
PREINIT:
OutputStream fp;
GV *gv;
CODE:
#ifdef PerlIO
fp = PerlIO_tmpfile();
#else
fp = tmpfile();
#endif
gv = (GV*)SvREFCNT_inc(newGVgen(packname));
hv_delete(GvSTASH(gv), GvNAME(gv), GvNAMELEN(gv), G_DISCARD);
if (do_open(gv, "+>&", 3, FALSE, 0, 0, fp)) {
ST(0) = sv_2mortal(newRV((SV*)gv));
sv_bless(ST(0), gv_stashpv(packname, TRUE));
SvREFCNT_dec(gv); /* undo increment in newRV() */
}
else {
ST(0) = &sv_undef;
SvREFCNT_dec(gv);
}
MODULE = IO PACKAGE = IO::Handle PREFIX = f
SV *
constant(name)
char * name
CODE:
IV i;
if (constant(name, &i))
ST(0) = sv_2mortal(newSViv(i));
else
ST(0) = &sv_undef;
int
ungetc(handle, c)
InputStream handle
int c
CODE:
if (handle)
#ifdef PerlIO
RETVAL = PerlIO_ungetc(handle, c);
#else
RETVAL = ungetc(c, handle);
#endif
else {
RETVAL = -1;
errno = EINVAL;
}
OUTPUT:
RETVAL
int
ferror(handle)
InputStream handle
CODE:
if (handle)
#ifdef PerlIO
RETVAL = PerlIO_error(handle);
#else
RETVAL = ferror(handle);
#endif
else {
RETVAL = -1;
errno = EINVAL;
}
OUTPUT:
RETVAL
int
clearerr(handle)
InputStream handle
CODE:
if (handle) {
#ifdef PerlIO
PerlIO_clearerr(handle);
#else
clearerr(handle);
#endif
RETVAL = 0;
}
else {
RETVAL = -1;
errno = EINVAL;
}
OUTPUT:
RETVAL
int
untaint(handle)
SV * handle
CODE:
#ifdef IOf_UNTAINT
IO * io;
io = sv_2io(handle);
if (io) {
IoFLAGS(io) |= IOf_UNTAINT;
RETVAL = 0;
}
else {
#endif
RETVAL = -1;
errno = EINVAL;
#ifdef IOf_UNTAINT
}
#endif
OUTPUT:
RETVAL
SysRet
fflush(handle)
OutputStream handle
CODE:
if (handle)
#ifdef PerlIO
RETVAL = PerlIO_flush(handle);
#else
RETVAL = Fflush(handle);
#endif
else {
RETVAL = -1;
errno = EINVAL;
}
OUTPUT:
RETVAL
void
setbuf(handle, buf)
OutputStream handle
char * buf = SvPOK(ST(1)) ? sv_grow(ST(1), BUFSIZ) : 0;
CODE:
if (handle)
#ifdef PERLIO_IS_STDIO
setbuf(handle, buf);
#else
not_here("IO::Handle::setbuf");
#endif
SysRet
setvbuf(handle, buf, type, size)
OutputStream handle
char * buf = SvPOK(ST(1)) ? sv_grow(ST(1), SvIV(ST(3))) : 0;
int type
int size
CODE:
/* Should check HAS_SETVBUF once Configure tests for that */
#if defined(PERLIO_IS_STDIO) && defined(_IOFBF)
if (handle)
RETVAL = setvbuf(handle, buf, type, size);
else {
RETVAL = -1;
errno = EINVAL;
}
#else
RETVAL = (SysRet) not_here("IO::Handle::setvbuf");
#endif
OUTPUT:
RETVAL
|
