Rev 3346 | Go to most recent revision | Details | Last modification | View Log | RSS feed
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| 3265 | post | 1 | /* Copyright (c) 2008, Tim Post <tinkertim@gmail.com> |
| 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 | |||
| 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 | |||
| 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 | |||
| 41 | /* Error printing, translation and handling functions */ |
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| 42 | |||
| 43 | volatile int cli_lasterr = 0; |
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| 44 | extern volatile unsigned int cli_verbocity; |
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| 45 | |||
| 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 | |||
| 51 | if (NULL != cl_errors[errno]) |
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| 52 | return cl_errors[errno]; |
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| 53 | |||
| 54 | return (char *)NULL; |
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| 55 | } |
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| 56 | |||
| 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 | |||
| 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 | |||
| 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 | |||
| 73 | if (errno < 0) |
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| 74 | exit(EXIT_FAILURE); |
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| 75 | |||
| 76 | } |
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| 77 | |||
| 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 | |||
| 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 | |||
| 93 | |||
| 94 | |||
| 95 |