Benny Prijono | e722461 | 2005-11-13 19:40:44 +0000 | [diff] [blame^] | 1 | /* $Id$
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| 2 | */
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| 3 | /*
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| 4 | * PJLIB - PJ Foundation Library
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| 5 | * (C)2003-2005 Benny Prijono <bennylp@bulukucing.org>
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| 6 | *
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| 7 | * Author:
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| 8 | * Benny Prijono <bennylp@bulukucing.org>
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| 9 | *
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| 10 | * This library is free software; you can redistribute it and/or
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| 11 | * modify it under the terms of the GNU Lesser General Public
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| 12 | * License as published by the Free Software Foundation; either
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| 13 | * version 2.1 of the License, or (at your option) any later version.
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| 14 | *
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| 15 | * This library is distributed in the hope that it will be useful,
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| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 18 | * Lesser General Public License for more details.
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| 19 | *
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| 20 | * You should have received a copy of the GNU Lesser General Public
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| 21 | * License along with this library; if not, write to the Free Software
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| 22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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| 23 | */
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| 24 | #include <pj/errno.h>
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| 25 | #include <pj/string.h>
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| 26 | #include <pj/compat/sprintf.h>
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| 27 |
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| 28 | /* Prototype for platform specific error message, which will be defined
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| 29 | * in separate file.
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| 30 | */
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| 31 | extern int platform_strerror( pj_os_err_type code,
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| 32 | char *buf, pj_size_t bufsize );
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| 33 |
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| 34 | /* PJLIB's own error codes/messages */
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| 35 | static const struct
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| 36 | {
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| 37 | int code;
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| 38 | const char *msg;
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| 39 | } err_str[] =
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| 40 | {
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| 41 | { PJ_EUNKNOWN, "Unknown Error" },
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| 42 | { PJ_EPENDING, "Pending operation" },
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| 43 | { PJ_ETOOMANYCONN, "Too many connecting sockets" },
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| 44 | { PJ_EINVAL, "Invalid value or argument" },
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| 45 | { PJ_ENAMETOOLONG, "Name too long" },
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| 46 | { PJ_ENOTFOUND, "Not found" },
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| 47 | { PJ_ENOMEM, "Not enough memory" },
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| 48 | { PJ_EBUG, "BUG DETECTED!" },
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| 49 | { PJ_ETIMEDOUT, "Operation timed out" },
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| 50 | { PJ_ETOOMANY, "Too many objects of the specified type"},
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| 51 | { PJ_EBUSY, "Object is busy"},
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| 52 | { PJ_ENOTSUP, "Option/operation is not supported"},
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Benny Prijono | 85d3f45 | 2005-11-09 15:37:19 +0000 | [diff] [blame] | 53 | { PJ_EINVALIDOP, "Invalid operation"},
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Benny Prijono | f010e69 | 2005-11-11 19:01:31 +0000 | [diff] [blame] | 54 | { PJ_ECANCELLED, "Operation cancelled"},
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Benny Prijono | e722461 | 2005-11-13 19:40:44 +0000 | [diff] [blame^] | 55 | { PJ_EEXISTS, "Object already exists" }
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| 56 | };
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| 57 |
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| 58 | /*
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| 59 | * pjlib_error()
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| 60 | *
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| 61 | * Retrieve message string for PJLIB's own error code.
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| 62 | */
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| 63 | static int pjlib_error(pj_status_t code, char *buf, pj_size_t size)
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| 64 | {
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| 65 | unsigned i;
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| 66 |
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| 67 | for (i=0; i<sizeof(err_str)/sizeof(err_str[0]); ++i) {
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| 68 | if (err_str[i].code == code) {
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| 69 | pj_size_t len = strlen(err_str[i].msg);
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| 70 | if (len >= size) len = size-1;
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| 71 | pj_memcpy(buf, err_str[i].msg, len);
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| 72 | buf[len] = '\0';
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| 73 | return len;
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| 74 | }
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| 75 | }
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| 76 |
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| 77 | *buf++ = '?';
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| 78 | *buf++ = '?';
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| 79 | *buf++ = '?';
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| 80 | *buf++ = '\0';
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| 81 | return 3;
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| 82 | }
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| 83 |
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| 84 | /*
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| 85 | * pj_strerror()
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| 86 | */
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| 87 | PJ_DEF(pj_str_t) pj_strerror( pj_status_t statcode,
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| 88 | char *buf, pj_size_t bufsize )
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| 89 | {
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| 90 | int len = -1;
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| 91 | pj_str_t errstr;
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| 92 |
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| 93 | if (statcode < PJ_ERRNO_START + PJ_ERRNO_SPACE_SIZE) {
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| 94 | len = pj_snprintf( buf, bufsize, "Unknown error %d", statcode);
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| 95 |
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| 96 | } else if (statcode < PJ_ERRNO_START_STATUS + PJ_ERRNO_SPACE_SIZE) {
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| 97 | len = pjlib_error(statcode, buf, bufsize);
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| 98 |
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| 99 | } else if (statcode < PJ_ERRNO_START_SYS + PJ_ERRNO_SPACE_SIZE) {
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| 100 | len = platform_strerror(PJ_STATUS_TO_OS(statcode), buf, bufsize);
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| 101 |
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| 102 | } else if (statcode < PJ_ERRNO_START_USER + PJ_ERRNO_SPACE_SIZE) {
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| 103 | len = pj_snprintf( buf, bufsize, "User error %d", statcode);
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| 104 |
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| 105 | } else {
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| 106 | len = pj_snprintf( buf, bufsize, "Invalid error %d", statcode);
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| 107 |
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| 108 | }
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| 109 |
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| 110 | if (len < 1) {
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| 111 | *buf = '\0';
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| 112 | len = 0;
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| 113 | }
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| 114 |
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| 115 | errstr.ptr = buf;
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| 116 | errstr.slen = len;
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| 117 |
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| 118 | return errstr;
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| 119 | }
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| 120 |
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