| 1 | /*
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| 2 | * Copyright (c) 2010 Martin Decky
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup libc
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| 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | */
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| 34 |
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| 35 | #include <errno.h>
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| 36 | #include <str_error.h>
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| 37 | #include <stdio.h>
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| 38 | #include <fibril.h>
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| 39 |
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| 40 | #define MIN_ERRNO -17
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| 41 | #define NOERR_LEN 64
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| 42 |
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| 43 | static const char* err_desc[] = {
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| 44 | "No error",
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| 45 | "No such entry",
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| 46 | "Not enough memory",
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| 47 | "Limit exceeded",
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| 48 | "Connection refused",
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| 49 | "Forwarding error",
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| 50 | "Permission denied",
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| 51 | "Answerbox closed connection",
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| 52 | "Other party error",
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| 53 | "Entry already exists",
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| 54 | "Bad memory pointer",
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| 55 | "Not supported",
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| 56 | "Address not available",
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| 57 | "Timeout expired",
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| 58 | "Invalid value",
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| 59 | "Resource is busy",
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| 60 | "Result does not fit its size",
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| 61 | "Operation interrupted"
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| 62 | };
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| 63 |
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| 64 | static fibril_local char noerr[NOERR_LEN];
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| 65 |
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| 66 | const char *str_error(const int e)
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| 67 | {
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| 68 | if ((e <= 0) && (e >= MIN_ERRNO))
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| 69 | return err_desc[-e];
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| 70 |
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| 71 | /* Ad hoc descriptions of error codes interesting for USB. */
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| 72 | // FIXME: integrate these as first-class error values
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| 73 | switch (e) {
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| 74 | case EBADCHECKSUM:
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| 75 | return "Bad checksum";
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| 76 | case ESTALL:
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| 77 | return "Operation stalled";
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| 78 | case EAGAIN:
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| 79 | return "Resource temporarily unavailable";
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| 80 | case EEMPTY:
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| 81 | return "Resource is empty";
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| 82 | default:
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| 83 | break;
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| 84 | }
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| 85 |
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| 86 | snprintf(noerr, NOERR_LEN, "Unkown error code %d", e);
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| 87 | return noerr;
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| 88 | }
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| 89 |
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| 90 | /** @}
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| 91 | */
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