[216d6fc] | 1 | /* Copyright (c) 2008, Tim Post <tinkertim@gmail.com>
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| 2 | * All rights reserved.
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| 3 | *
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| 4 | * Redistribution and use in source and binary forms, with or without
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| 5 | * modification, are permitted provided that the following conditions are met:
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| 6 | *
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| 7 | * Redistributions of source code must retain the above copyright notice, this
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| 8 | * list of conditions and the following disclaimer.
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| 9 | *
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| 10 | * Redistributions in binary form must reproduce the above copyright notice,
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| 11 | * this list of conditions and the following disclaimer in the documentation
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| 12 | * and/or other materials provided with the distribution.
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| 13 | *
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| 14 | * Neither the name of the original program's authors nor the names of its
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| 15 | * contributors may be used to endorse or promote products derived from this
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| 16 | * software without specific prior written permission.
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| 17 | *
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| 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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| 19 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 21 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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| 22 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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| 23 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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| 24 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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| 25 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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| 26 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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| 27 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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| 28 | * POSSIBILITY OF SUCH DAMAGE.
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| 29 | */
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| 30 |
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| 31 | #include <stdio.h>
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| 32 | #include <string.h>
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| 33 | #include <stdlib.h>
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| 34 | #include <unistd.h>
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| 35 | #include <stdarg.h>
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| 36 |
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| 37 | #include "config.h"
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| 38 | #include "errors.h"
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| 39 | #include "errstr.h"
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| 40 |
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| 41 | /* Error printing, translation and handling functions */
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| 42 |
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| 43 | volatile int cli_lasterr = 0;
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| 44 | extern volatile unsigned int cli_verbocity;
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| 45 |
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| 46 | /* Look up errno in cl_errors and return the corresponding string.
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| 47 | * Return NULL if not found */
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| 48 | char *err2str(int errno)
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| 49 | {
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| 50 |
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| 51 | if (NULL != cl_errors[errno])
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| 52 | return cl_errors[errno];
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| 53 |
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| 54 | return (char *)NULL;
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| 55 | }
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| 56 |
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| 57 | /* Print an error report signifying errno, which is translated to
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| 58 | * its corresponding human readable string. If errno > 0, raise the
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| 59 | * cli_quit int that tells the main program loop to exit immediately */
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| 60 |
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| 61 | void cli_error(int errno, const char *fmt, ...)
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| 62 | {
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| 63 | va_list vargs;
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| 64 | va_start(vargs, fmt);
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| 65 | vprintf(fmt, vargs);
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| 66 | va_end(vargs);
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| 67 |
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| 68 | if (NULL != err2str(errno))
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| 69 | printf(" (%s)\n", err2str(errno));
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| 70 | else
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| 71 | printf(" (Unknown Error %d)\n", errno);
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| 72 |
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| 73 | if (errno < 0)
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| 74 | exit(EXIT_FAILURE);
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| 75 |
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| 76 | }
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| 77 |
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| 78 | /* Just a smart printf(), print the string only if cli_verbocity is high */
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| 79 | void cli_verbose(const char *fmt, ...)
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| 80 | {
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| 81 | if (cli_verbocity) {
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| 82 | va_list vargs;
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| 83 |
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| 84 | printf("[*] ");
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| 85 | va_start(vargs, fmt);
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| 86 | vprintf(fmt, vargs);
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| 87 | va_end(vargs);
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| 88 | printf("\n");
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| 89 | }
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| 90 | return;
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| 91 | }
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| 92 |
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| 93 |
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| 94 |
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| 95 |
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