Rev 3265 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 3265 | post | 1 | /* Copyright (c) 2008, Tim Post <tinkertim@gmail.com> |
| 2 | * All rights reserved. |
||
| 3 | * |
||
| 4 | * Redistribution and use in source and binary forms, with or without |
||
| 5 | * modification, are permitted provided that the following conditions are met: |
||
| 6 | * |
||
| 7 | * Redistributions of source code must retain the above copyright notice, this |
||
| 8 | * list of conditions and the following disclaimer. |
||
| 9 | * |
||
| 10 | * Redistributions in binary form must reproduce the above copyright notice, |
||
| 11 | * this list of conditions and the following disclaimer in the documentation |
||
| 12 | * and/or other materials provided with the distribution. |
||
| 13 | * |
||
| 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 |
||
| 16 | * software without specific prior written permission. |
||
| 17 | * |
||
| 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 |
||
| 20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
||
| 21 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
||
| 22 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
||
| 23 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
||
| 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 |
||
| 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 |
||
| 28 | * POSSIBILITY OF SUCH DAMAGE. |
||
| 29 | */ |
||
| 30 | |||
| 31 | #include <stdio.h> |
||
| 32 | #include <string.h> |
||
| 33 | #include <stdlib.h> |
||
| 34 | #include <unistd.h> |
||
| 35 | #include <stdarg.h> |
||
| 36 | |||
| 37 | #include "config.h" |
||
| 38 | #include "errors.h" |
||
| 39 | #include "errstr.h" |
||
| 40 | |||
| 41 | /* Error printing, translation and handling functions */ |
||
| 42 | |||
| 43 | volatile int cli_lasterr = 0; |
||
| 44 | extern volatile unsigned int cli_verbocity; |
||
| 45 | |||
| 46 | /* Look up errno in cl_errors and return the corresponding string. |
||
| 47 | * Return NULL if not found */ |
||
| 48 | char *err2str(int errno) |
||
| 49 | { |
||
| 50 | |||
| 51 | if (NULL != cl_errors[errno]) |
||
| 52 | return cl_errors[errno]; |
||
| 53 | |||
| 54 | return (char *)NULL; |
||
| 55 | } |
||
| 56 | |||
| 57 | /* Print an error report signifying errno, which is translated to |
||
| 58 | * its corresponding human readable string. If errno > 0, raise the |
||
| 59 | * cli_quit int that tells the main program loop to exit immediately */ |
||
| 60 | |||
| 61 | void cli_error(int errno, const char *fmt, ...) |
||
| 62 | { |
||
| 63 | va_list vargs; |
||
| 64 | va_start(vargs, fmt); |
||
| 65 | vprintf(fmt, vargs); |
||
| 66 | va_end(vargs); |
||
| 67 | |||
| 68 | if (NULL != err2str(errno)) |
||
| 69 | printf(" (%s)\n", err2str(errno)); |
||
| 70 | else |
||
| 71 | printf(" (Unknown Error %d)\n", errno); |
||
| 72 | |||
| 73 | if (errno < 0) |
||
| 74 | exit(EXIT_FAILURE); |
||
| 75 | |||
| 76 | } |
||
| 77 | |||
| 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; |
||
| 91 | } |
||
| 92 | |||
| 93 | |||
| 94 | |||
| 95 |