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
|
/****************************************************************
* *
* Copyright (c) 2001-2023 Fidelity National Information *
* Services, Inc. and/or its subsidiaries. All rights reserved. *
* *
* This source code contains the intellectual property *
* of its copyright holder(s), and is made available *
* under a license. If you do not know the terms of *
* the license, please stop and do not read further. *
* *
****************************************************************/
#include "mdef.h"
#include "gtm_unistd.h"
#include "gtm_stdlib.h"
#include "gtm_signal.h"
#include "gtm_string.h"
#include <errno.h>
#include <wctype.h>
#include <wchar.h>
#include "io.h"
#include "iottdef.h"
#include "gtmio.h"
#include "gt_timer.h"
#include "send_msg.h"
#include "error.h"
#include "dollarx.h"
#include "have_crit.h"
#include "iott_flush_time.h"
#include "svnames.h"
#include "op.h"
#include "util.h"
#include "deferred_events_queue.h"
#ifdef UTF8_SUPPORTED
#include "gtm_icu_api.h"
#include "gtm_utf8.h"
#endif
GBLREF boolean_t gtm_utf8_mode, hup_on, prin_in_dev_failure, prin_out_dev_failure;
GBLREF int exi_condition, process_exiting;
GBLREF int4 error_condition;
GBLREF io_pair io_curr_device, io_std_device;
GBLREF mval dollar_zstatus;
GBLREF volatile int4 outofband;
error_def(ERR_NOPRINCIO);
error_def(ERR_TERMHANGUP);
error_def(ERR_TERMWRITE);
error_def(ERR_ZINTRECURSEIO);
void iott_write_buffered_text(io_desc *io_ptr, char *text, int textlen);
void iott_write_buffered_text(io_desc *io_ptr, char *text, int textlen)
{
d_tt_struct *tt_ptr;
int buff_left, status;
boolean_t ch_set;
tt_ptr = io_ptr->dev_sp;
assert(tt_ptr->write_active == FALSE);
if (sighup == outofband)
{
TERMHUP_NOPRINCIO_CHECK(TRUE); /* TRUE for WRITE */
return;
}
ESTABLISH_GTMIO_CH(&io_ptr->pair, ch_set);
tt_ptr->write_active = TRUE;
buff_left = IOTT_BUFF_LEN - (int)((tt_ptr->tbuffp - tt_ptr->ttybuff));
assert(buff_left > IOTT_BUFF_MIN || prin_out_dev_failure);
if (!prin_out_dev_failure && (buff_left < textlen))
{
iott_flush_buffer(io_ptr, TRUE);
buff_left = IOTT_BUFF_LEN;
}
if (textlen <= buff_left)
{
memcpy((void *)tt_ptr->tbuffp, text, textlen);
tt_ptr->tbuffp += textlen;
buff_left -= textlen;
if (buff_left <= IOTT_BUFF_MIN)
iott_flush_buffer(io_ptr, FALSE); /* tt_ptr->write_active = FALSE */
else
tt_ptr->write_active = FALSE;
} else
{
DOWRITERC(tt_ptr->fildes, text, textlen, status);
tt_ptr->write_active = FALSE;
if ((0 == status) && (ERR_TERMHANGUP != error_condition))
{
if ((io_ptr == io_std_device.out) && (prin_out_dev_failure))
{ /* if it was TRUE, try flush we may have skipped above & clear flag because write worked */
prin_out_dev_failure = FALSE;
iott_flush_buffer(io_ptr, TRUE);
}
} else /* (0 != status) */
{
ISSUE_NOPRINCIO_IF_NEEDED(io_ptr, TRUE, FALSE); /* TRUE, FALSE: WRITE, not socket */
RTS_ERROR_CSA_ABT(NULL, VARLSTCNT(3) ERR_TERMWRITE, 0, status);
}
}
REVERT_GTMIO_CH(&io_ptr->pair, ch_set);
}
void iott_write(mstr *v)
{
unsigned str_len;
unsigned len;
int status, this_width, char_width, avail_width;
char *str;
unsigned char *ptr, *ptrnext, *ptrtop;
io_desc *io_ptr, *flush_parm;
d_tt_struct *tt_ptr;
boolean_t utf8_active = FALSE;
wint_t codepoint;
boolean_t flush_immediately;
boolean_t ch_set;
/* We cannot be starting unsafe timers during process exiting or in an interrupt-deferred window. */
flush_immediately = (process_exiting || (INTRPT_OK_TO_INTERRUPT != intrpt_ok_state));
str_len = v->len;
if (0 != str_len)
{
str = v->addr;
io_ptr = io_curr_device.out;
tt_ptr = (d_tt_struct *)io_ptr->dev_sp;
if (tt_ptr->mupintr)
RTS_ERROR_CSA_ABT(NULL, VARLSTCNT(1) ERR_ZINTRECURSEIO);
ESTABLISH_GTMIO_CH(&io_curr_device, ch_set);
UTF8_ONLY(utf8_active = gtm_utf8_mode ? (CHSET_M != io_ptr->ochset) : FALSE;)
for (; ;)
{
if (FALSE == io_ptr->wrap)
len = str_len;
else
{
if ((io_ptr->dollar.x >= io_ptr->width) && (START == io_ptr->esc_state))
{
iott_write_buffered_text(io_ptr, STR_AND_LEN(NATIVE_TTEOL));
io_ptr->dollar.y++;
io_ptr->dollar.x = 0;
}
if (START != io_ptr->esc_state)
len = str_len; /* write all if in escape sequence */
#ifdef UTF8_SUPPORTED
else if (utf8_active)
{
ptrtop = (unsigned char *)str + str_len;
avail_width = io_ptr->width - io_ptr->dollar.x;
this_width = 0;
ptr = (unsigned char *)str;
assert(ptr < ptrtop);
do
{
ptrnext = UTF8_MBTOWC(ptr, ptrtop, codepoint);
if (WEOF == codepoint)
UTF8_BADCHAR(0, ptr, ptrtop, 0, NULL);
GTM_IO_WCWIDTH(codepoint, char_width);
if ((this_width + char_width) > avail_width)
break;
this_width += char_width;
ptr = ptrnext;
} while(ptr < ptrtop);
len = (int)(ptr - (unsigned char *)str);
if (0 == len)
{
if (char_width <= io_ptr->width)
{
io_ptr->dollar.x = io_ptr->width; /* force wrap */
continue;
} else
RTS_ERROR_CSA_ABT(NULL, VARLSTCNT(1) ERR_TERMWRITE);
}
}
#endif
else
if ((io_ptr->dollar.x + str_len) <= io_ptr->width)
len = str_len;
else
len = io_ptr->width - io_ptr->dollar.x;
}
assert(0 != len);
iott_write_buffered_text(io_ptr, str, len);
dollarx(io_ptr, (uchar_ptr_t)str, (uchar_ptr_t)str + len);
str_len -= len;
if (0 >= (signed)str_len)
break;
str += len;
}
if (flush_immediately)
{
if (TRUE == tt_ptr->timer_set)
{
cancel_timer((TID)io_ptr);
tt_ptr->timer_set = FALSE;
}
tt_ptr->write_active = TRUE;
iott_flush_buffer(io_ptr, FALSE);
} else if (FALSE == tt_ptr->timer_set)
{
flush_parm = io_ptr;
tt_ptr->timer_set = TRUE;
start_timer((TID)io_ptr,
IOTT_FLUSH_WAIT,
&iott_flush_time,
SIZEOF(flush_parm),
(char *)&flush_parm);
}
REVERT_GTMIO_CH(&io_curr_device, ch_set);
}
}
|
