Rev 3346 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
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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 | |||
| 3366 | post | 41 | volatile int cli_errno = CL_EOK; |
| 42 | extern volatile unsigned int cli_quit; |
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| 43 | |||
| 3265 | post | 44 | /* Error printing, translation and handling functions */ |
| 45 | |||
| 46 | |||
| 47 | /* Look up errno in cl_errors and return the corresponding string. |
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| 48 | * Return NULL if not found */ |
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| 3366 | post | 49 | static char *err2str(int err) |
| 3265 | post | 50 | { |
| 51 | |||
| 3366 | post | 52 | if (NULL != cl_errors[err]) |
| 53 | return cl_errors[err]; |
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| 3265 | post | 54 | |
| 55 | return (char *)NULL; |
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| 56 | } |
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| 57 | |||
| 58 | /* Print an error report signifying errno, which is translated to |
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| 59 | * its corresponding human readable string. If errno > 0, raise the |
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| 60 | * cli_quit int that tells the main program loop to exit immediately */ |
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| 61 | |||
| 3366 | post | 62 | void cli_error(int err, const char *fmt, ...) |
| 3265 | post | 63 | { |
| 64 | va_list vargs; |
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| 65 | va_start(vargs, fmt); |
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| 66 | vprintf(fmt, vargs); |
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| 67 | va_end(vargs); |
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| 68 | |||
| 3366 | post | 69 | if (NULL != err2str(err)) |
| 70 | printf(" (%s)\n", err2str(err)); |
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| 3265 | post | 71 | else |
| 3366 | post | 72 | printf(" (Unknown Error %d)\n", err); |
| 3265 | post | 73 | |
| 3366 | post | 74 | /* If fatal, raise cli_quit so that we try to exit |
| 75 | * gracefully. This will break the main loop and |
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| 76 | * invoke the destructor */ |
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| 77 | if (err == CL_EFATAL) |
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| 78 | cli_quit = 1; |
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| 3265 | post | 79 | |
| 3366 | post | 80 | return; |
| 81 | |||
| 3265 | post | 82 | } |
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