annotate io.c @ 35:2a8298bafec2

Try to use $HOME for the user's home directory
author Guido Berhoerster <guido+pwm@berhoerster.name>
date Tue, 06 Aug 2019 11:21:04 +0200
parents ec01c579024a
children 131c35592054
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
19
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
1 /*
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
2 * Copyright (C) 2017 Guido Berhoerster <guido+pwm@berhoerster.name>
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
3 *
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
4 * Permission is hereby granted, free of charge, to any person obtaining
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
5 * a copy of this software and associated documentation files (the
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
6 * "Software"), to deal in the Software without restriction, including
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
7 * without limitation the rights to use, copy, modify, merge, publish,
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
8 * distribute, sublicense, and/or sell copies of the Software, and to
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
9 * permit persons to whom the Software is furnished to do so, subject to
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
10 * the following conditions:
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
11 *
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
12 * The above copyright notice and this permission notice shall be included
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
13 * in all copies or substantial portions of the Software.
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
14 *
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
18 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
19 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
20 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
21 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
22 */
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
23
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
24 #include "compat.h"
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
25
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
26 #ifdef HAVE_ERR_H
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
27 #include <err.h>
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
28 #endif /* HAVE_ERR_H */
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
29 #include <errno.h>
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
30 #include <setjmp.h>
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
31 #include <signal.h>
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
32 #include <stdarg.h>
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
33 #include <stdio.h>
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
34 #include <stdio.h>
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
35 #include <string.h>
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
36 #include <unistd.h>
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
37
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
38 #include "io.h"
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
39 #include "util.h"
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
40 #include "pwm.h"
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
41
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
42 static sigjmp_buf signal_env;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
43
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
44 static void
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
45 signal_handler(int signal_no)
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
46 {
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
47 siglongjmp(signal_env, signal_no);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
48 }
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
49
22
ec01c579024a Add fully interactive mode
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 19
diff changeset
50 void
ec01c579024a Add fully interactive mode
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 19
diff changeset
51 io_trim_nl(char *s)
ec01c579024a Add fully interactive mode
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 19
diff changeset
52 {
ec01c579024a Add fully interactive mode
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 19
diff changeset
53 size_t len;
ec01c579024a Add fully interactive mode
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 19
diff changeset
54
ec01c579024a Add fully interactive mode
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 19
diff changeset
55 len = strlen(s);
ec01c579024a Add fully interactive mode
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 19
diff changeset
56 if ((len > 0) && (s[len - 1] == '\n')) {
ec01c579024a Add fully interactive mode
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 19
diff changeset
57 s[len - 1] = '\0';
ec01c579024a Add fully interactive mode
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 19
diff changeset
58 }
ec01c579024a Add fully interactive mode
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 19
diff changeset
59 }
ec01c579024a Add fully interactive mode
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 19
diff changeset
60
19
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
61 int
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
62 io_gl_complete_nothing(WordCompletion *cpl, void *data, const char *line,
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
63 int word_end)
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
64 {
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
65 return (0);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
66 }
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
67
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
68 enum io_status
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
69 io_get_char(const char *prompt, int *cp)
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
70 {
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
71 enum io_status retval = IO_OK;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
72 GetLine *gl = NULL;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
73
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
74 gl = new_GetLine(16, 0);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
75 if (gl== NULL) {
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
76 err(1, "new_GetLine");
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
77 }
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
78 gl_catch_blocked(gl);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
79
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
80 /* prompt with echo off */
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
81 gl_echo_mode(gl, 0);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
82 if ((*cp = gl_query_char(gl, prompt, '\0')) == EOF) {
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
83 switch (gl_return_status(gl)) {
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
84 case GLR_SIGNAL:
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
85 retval = IO_SIGNAL;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
86 break;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
87 case GLR_ERROR:
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
88 errx(1, "gl_get_line: %s",
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
89 gl_error_message(gl, NULL, 0));
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
90 default:
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
91 errx(1, "unknown error in gl_get_line");
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
92 }
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
93 }
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
94
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
95 /* erase prompt */
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
96 if (io_printf("\r%*s\r", (int)strlen(prompt), "") == IO_SIGNAL) {
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
97 retval = IO_SIGNAL;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
98 }
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
99
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
100 del_GetLine(gl);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
101
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
102 return (retval);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
103 }
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
104
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
105 enum io_status
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
106 io_get_line(GetLine *gl, const char *prompt, int with_history,
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
107 const char *start_line, int start_pos, size_t buf_size, char *buf)
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
108 {
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
109 enum io_status retval = IO_OK;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
110 GetLine *gl_private = NULL;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
111 GlHistoryState state;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
112 char *line;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
113
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
114 if (gl == NULL) {
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
115 gl = gl_private = new_GetLine(buf_size - 1, 0);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
116 if (gl_private == NULL) {
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
117 err(1, "new_GetLine");
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
118 }
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
119 gl_catch_blocked(gl_private);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
120 }
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
121
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
122 gl_state_of_history(gl, &state);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
123 gl_toggle_history(gl, with_history);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
124
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
125 line = gl_get_line(gl, prompt, start_line, start_pos);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
126 if (line == NULL) {
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
127 switch (gl_return_status(gl)) {
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
128 case GLR_BLOCKED:
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
129 break;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
130 case GLR_SIGNAL:
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
131 retval = IO_SIGNAL;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
132 goto out;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
133 case GLR_EOF:
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
134 retval = IO_EOF;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
135 goto out;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
136 case GLR_ERROR:
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
137 errx(1, "gl_get_line: %s",
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
138 gl_error_message(gl, NULL, 0));
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
139 default:
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
140 errx(1, "unknown error in gl_get_line");
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
141 }
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
142 }
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
143
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
144 if (snprintf(buf, buf_size, "%s", line) >= (int)buf_size) {
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
145 retval = IO_TRUNCATED;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
146 }
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
147
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
148 out:
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
149 if (gl != NULL) {
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
150 gl_toggle_history(gl, state.enabled);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
151 }
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
152 del_GetLine(gl_private);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
153
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
154 return (retval);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
155 }
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
156
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
157 enum io_status
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
158 io_get_password(const char *prompt, const char *confirm_prompt,
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
159 size_t buf_size, char *buf)
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
160 {
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
161 enum io_status retval = IO_OK;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
162 GetLine *gl = NULL;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
163 size_t len;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
164 char *password_buf = NULL;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
165 char *confirm_buf = NULL;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
166
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
167 gl = new_GetLine(buf_size - 1, 0);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
168 if (gl == NULL) {
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
169 err(1, "new_GetLine");
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
170 }
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
171 /* disable default filename completion */
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
172 gl_customize_completion(gl, NULL, io_gl_complete_nothing);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
173 gl_echo_mode(gl, 0);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
174
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
175 password_buf = xmalloc(buf_size);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
176
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
177 if (io_get_line(gl, prompt, 0, NULL, 0, buf_size, password_buf) ==
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
178 IO_SIGNAL) {
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
179 retval = IO_SIGNAL;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
180 goto out;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
181 }
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
182 len = strlen(password_buf);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
183 /* strip trailing newline */
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
184 if ((len > 0) && (password_buf[len - 1] == '\n')) {
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
185 password_buf[--len] = '\0';
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
186 }
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
187 if (len == 0) {
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
188 retval = IO_PASSWORD_EMPTY;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
189 goto out;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
190 }
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
191
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
192 if (confirm_prompt != NULL) {
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
193 if (io_printf("\n") == IO_SIGNAL) {
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
194 retval = IO_SIGNAL;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
195 goto out;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
196 }
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
197
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
198 /* confirm new password */
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
199 confirm_buf = xmalloc(buf_size);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
200 if (io_get_line(gl, confirm_prompt, 0, NULL, 0,
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
201 buf_size, confirm_buf) == IO_SIGNAL) {
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
202 retval = IO_SIGNAL;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
203 goto out;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
204 }
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
205 len = strlen(confirm_buf);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
206 /* strip trailing newline */
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
207 if ((len > 0) && (confirm_buf[len - 1] == '\n')) {
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
208 confirm_buf[--len] = '\0';
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
209 }
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
210 if (strcmp(password_buf, confirm_buf) != 0) {
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
211 retval = IO_PASSWORD_MISMATCH;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
212 goto out;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
213 }
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
214 }
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
215
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
216 strcpy(buf, password_buf);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
217
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
218 out:
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
219 if (io_printf("\n") == IO_SIGNAL) {
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
220 retval = IO_SIGNAL;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
221 goto out;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
222 }
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
223 free(password_buf);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
224 free(confirm_buf);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
225 del_GetLine(gl);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
226
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
227 return (retval);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
228 }
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
229
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
230 enum io_status
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
231 io_dputs(int fd, const char *s)
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
232 {
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
233 struct sigaction action;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
234 struct sigaction oaction;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
235 int signal_no = 0;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
236 const char *p = s;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
237 size_t remaining;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
238 ssize_t n;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
239
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
240 /* install signal handlers */
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
241 action.sa_handler = signal_handler;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
242 action.sa_flags = 0;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
243 sigemptyset(&action.sa_mask);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
244 sigaddset(&action.sa_mask, SIGINT);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
245 sigaddset(&action.sa_mask, SIGTERM);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
246 sigaddset(&action.sa_mask, SIGHUP);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
247 sigaddset(&action.sa_mask, SIGQUIT);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
248 if ((sigaction(SIGINT, &action, &oaction) != 0) ||
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
249 (sigaction(SIGTERM, &action, &oaction) != 0) ||
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
250 (sigaction(SIGHUP, &action, &oaction) != 0) ||
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
251 (sigaction(SIGQUIT, &action, &oaction) != 0)) {
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
252 err(1, "sigaction");
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
253 }
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
254
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
255 if ((signal_no = sigsetjmp(signal_env, 1)) != 0) {
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
256 /* signal received, signal mask has been restored */
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
257 goto out;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
258 }
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
259
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
260 remaining = strlen(s);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
261 while (remaining > 0) {
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
262 pwm_unblock_signals();
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
263 n = write(fd, p, remaining);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
264 if ((n < (int)remaining) && (errno != EINTR)) {
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
265 err(1, "write");
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
266 }
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
267 pwm_block_signals();
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
268 remaining -= MAX(n, 0);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
269 p += MAX(n, 0);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
270 }
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
271
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
272 out:
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
273 /* restore signal handlers */
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
274 if ((sigaction(SIGINT, &oaction, NULL) != 0) ||
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
275 (sigaction(SIGTERM, &oaction, NULL) != 0) ||
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
276 (sigaction(SIGHUP, &oaction, NULL) != 0) ||
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
277 (sigaction(SIGQUIT, &oaction, NULL) != 0)) {
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
278 err(1, "sigaction");
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
279 }
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
280
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
281 return ((signal_no == 0) ? IO_OK : IO_SIGNAL);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
282 }
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
283
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
284 enum io_status
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
285 io_vdprintf(int fd, const char *fmt, va_list args)
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
286 {
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
287 enum io_status retval;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
288 char *buf;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
289
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
290 xvasprintf(&buf, fmt, args);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
291 retval = io_dputs(fd, buf);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
292 free(buf);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
293
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
294 return (retval);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
295 }
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
296
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
297 enum io_status
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
298 io_dprintf(int fd, const char *fmt, ...)
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
299 {
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
300 enum io_status retval;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
301 va_list args;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
302
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
303 va_start(args, fmt);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
304 retval = io_vdprintf(fd, fmt, args);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
305 va_end(args);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
306
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
307 return (retval);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
308 }
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
309
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
310 enum io_status
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
311 io_printf(const char *fmt, ...)
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
312 {
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
313 enum io_status retval;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
314 va_list args;
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
315
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
316 va_start(args, fmt);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
317 retval = io_vdprintf(STDOUT_FILENO, fmt, args);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
318 va_end(args);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
319
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
320 return (retval);
5c6155c8e9b6 Handle signals
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
321 }