Subversion Repositories HelenOS

Rev

Rev 3346 | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 3346 Rev 3366
1 
/* Copyright (c) 2008, Tim Post <tinkertim@gmail.com>
 1 
/* Copyright (c) 2008, Tim Post <tinkertim@gmail.com>
2 
 * All rights reserved.
 2 
 * All rights reserved.
3 
 *
 3 
 *
4 
 * Redistribution and use in source and binary forms, with or without
 4 
 * Redistribution and use in source and binary forms, with or without
5 
 * modification, are permitted provided that the following conditions are met:
 5 
 * modification, are permitted provided that the following conditions are met:
6 
 *
 6 
 *
7 
 * Redistributions of source code must retain the above copyright notice, this
 7 
 * Redistributions of source code must retain the above copyright notice, this
8 
 * list of conditions and the following disclaimer.
 8 
 * list of conditions and the following disclaimer.
9 
 *
 9 
 *
10 
 * Redistributions in binary form must reproduce the above copyright notice,
 10 
 * Redistributions in binary form must reproduce the above copyright notice,
11 
 * this list of conditions and the following disclaimer in the documentation
 11 
 * this list of conditions and the following disclaimer in the documentation
12 
 * and/or other materials provided with the distribution.
 12 
 * and/or other materials provided with the distribution.
13 
 *
 13 
 *
14 
 * Neither the name of the original program's authors nor the names of its
 14 
 * Neither the name of the original program's authors nor the names of its
15 
 * contributors may be used to endorse or promote products derived from this
 15 
 * contributors may be used to endorse or promote products derived from this
16 
 * software without specific prior written permission.
 16 
 * software without specific prior written permission.
17 
 *
 17 
 *
18 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 18 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19 
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 19 
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 20 
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 21 
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22 
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 22 
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 23 
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 24 
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 25 
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 26 
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 27 
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 
 * POSSIBILITY OF SUCH DAMAGE.
 28 
 * POSSIBILITY OF SUCH DAMAGE.
29 
 */
 29 
 */
30 
 
 30 
 
31 
#include <stdio.h>
 31 
#include <stdio.h>
32 
#include <string.h>
 32 
#include <string.h>
33 
#include <stdlib.h>
 33 
#include <stdlib.h>
34 
#include <unistd.h>
 34 
#include <unistd.h>
35 
#include <stdarg.h>
 35 
#include <stdarg.h>
36 
 
 36 
 
37 
#include "config.h"
 37 
#include "config.h"
38 
#include "errors.h"
 38 
#include "errors.h"
39 
#include "errstr.h"
 39 
#include "errstr.h"
40 
 
 40 
 
- 
 
 41 
volatile int cli_errno = CL_EOK;
- 
 
 42 
extern volatile unsigned int cli_quit;
- 
 
 43 
 
41 
/* Error printing, translation and handling functions */
 44 
/* Error printing, translation and handling functions */
42 
 
 45 
 
43 
volatile int cli_lasterr = 0;
 - 
 
44 
extern volatile unsigned int cli_verbocity;
 - 
 
45 
 
 46 
 
46 
/* Look up errno in cl_errors and return the corresponding string.
 47 
/* Look up errno in cl_errors and return the corresponding string.
47 
 * Return NULL if not found */
 48 
 * Return NULL if not found */
48 
char *err2str(int errno)
 49 
static char *err2str(int err)
49 
{
 50 
{
50 
 
 51 
 
51 
    if (NULL != cl_errors[errno])
 52 
    if (NULL != cl_errors[err])
52 
        return cl_errors[errno];
 53 
        return cl_errors[err];
53 
 
 54 
 
54 
    return (char *)NULL;
 55 
    return (char *)NULL;
55 
}
 56 
}
56 
 
 57 
 
57 
/* Print an error report signifying errno, which is translated to
 58 
/* Print an error report signifying errno, which is translated to
58 
 * its corresponding human readable string. If errno > 0, raise the
 59 
 * its corresponding human readable string. If errno > 0, raise the
59 
 * cli_quit int that tells the main program loop to exit immediately */
 60 
 * cli_quit int that tells the main program loop to exit immediately */
60 
 
 61 
 
61 
void cli_error(int errno, const char *fmt, ...)
 62 
void cli_error(int err, const char *fmt, ...)
62 
{
 63 
{
63 
    va_list vargs;
 64 
    va_list vargs;
64 
    va_start(vargs, fmt);
 65 
    va_start(vargs, fmt);
65 
    vprintf(fmt, vargs);
 66 
    vprintf(fmt, vargs);
66 
    va_end(vargs);
 67 
    va_end(vargs);
67 
 
 68 
 
68 
    if (NULL != err2str(errno))
 69 
    if (NULL != err2str(err))
69 
        printf(" (%s)\n", err2str(errno));
 70 
        printf(" (%s)\n", err2str(err));
70 
    else
 71 
    else
71 
        printf(" (Unknown Error %d)\n", errno);
 72 
        printf(" (Unknown Error %d)\n", err);
72 
 
 - 
 
73 
    if (errno < 0)
 - 
 
74 
        exit(EXIT_FAILURE);
 - 
 
75 
 
 73 
 
- 
 
 74 
    /* If fatal, raise cli_quit so that we try to exit
- 
 
 75 
     * gracefully. This will break the main loop and
- 
 
 76 
     * invoke the destructor */
- 
 
 77 
    if (err == CL_EFATAL)
76 
}
 78 
        cli_quit = 1;
77 
 
 79 
 
78 
/* Just a smart printf(), print the string only if cli_verbocity is high */
 - 
 
79 
void cli_verbose(const char *fmt, ...)
 - 
 
80 
{
 - 
 
81 
    if (cli_verbocity) {
 - 
 
82 
        va_list vargs;
 - 
 
83 
 
 - 
 
84 
        printf("[*] ");
 - 
 
85 
        va_start(vargs, fmt);
 - 
 
86 
        vprintf(fmt, vargs);
 - 
 
87 
        va_end(vargs);
 - 
 
88 
        printf("\n");
 - 
 
89 
    }
 - 
 
90 
    return;
 80 
    return;
- 
 
 81 
 
91 
}
 82 
}
92 
 
 83 
 
- 
 
 84 
 
93 
 
 85 
 
94 
 
 86 
 
95 
 
 87 
 
96 
 
 88