| /* $Id$ */ |
| /* |
| * Copyright (C)2003-2006 Benny Prijono <benny@prijono.org> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| #include <pj/errno.h> |
| #include <pj/string.h> |
| #include <pj/compat/sprintf.h> |
| |
| /* Prototype for platform specific error message, which will be defined |
| * in separate file. |
| */ |
| extern int platform_strerror( pj_os_err_type code, |
| char *buf, pj_size_t bufsize ); |
| |
| /* PJLIB's own error codes/messages */ |
| static const struct |
| { |
| int code; |
| const char *msg; |
| } err_str[] = |
| { |
| { PJ_EUNKNOWN, "Unknown Error" }, |
| { PJ_EPENDING, "Pending operation" }, |
| { PJ_ETOOMANYCONN, "Too many connecting sockets" }, |
| { PJ_EINVAL, "Invalid value or argument" }, |
| { PJ_ENAMETOOLONG, "Name too long" }, |
| { PJ_ENOTFOUND, "Not found" }, |
| { PJ_ENOMEM, "Not enough memory" }, |
| { PJ_EBUG, "BUG DETECTED!" }, |
| { PJ_ETIMEDOUT, "Operation timed out" }, |
| { PJ_ETOOMANY, "Too many objects of the specified type"}, |
| { PJ_EBUSY, "Object is busy"}, |
| { PJ_ENOTSUP, "Option/operation is not supported"}, |
| { PJ_EINVALIDOP, "Invalid operation"}, |
| { PJ_ECANCELLED, "Operation cancelled"}, |
| { PJ_EEXISTS, "Object already exists" } |
| }; |
| |
| /* |
| * pjlib_error() |
| * |
| * Retrieve message string for PJLIB's own error code. |
| */ |
| static int pjlib_error(pj_status_t code, char *buf, pj_size_t size) |
| { |
| unsigned i; |
| |
| for (i=0; i<sizeof(err_str)/sizeof(err_str[0]); ++i) { |
| if (err_str[i].code == code) { |
| pj_size_t len = strlen(err_str[i].msg); |
| if (len >= size) len = size-1; |
| pj_memcpy(buf, err_str[i].msg, len); |
| buf[len] = '\0'; |
| return len; |
| } |
| } |
| |
| *buf++ = '?'; |
| *buf++ = '?'; |
| *buf++ = '?'; |
| *buf++ = '\0'; |
| return 3; |
| } |
| |
| /* |
| * pj_strerror() |
| */ |
| PJ_DEF(pj_str_t) pj_strerror( pj_status_t statcode, |
| char *buf, pj_size_t bufsize ) |
| { |
| int len = -1; |
| pj_str_t errstr; |
| |
| if (statcode < PJ_ERRNO_START + PJ_ERRNO_SPACE_SIZE) { |
| len = pj_snprintf( buf, bufsize, "Unknown error %d", statcode); |
| |
| } else if (statcode < PJ_ERRNO_START_STATUS + PJ_ERRNO_SPACE_SIZE) { |
| len = pjlib_error(statcode, buf, bufsize); |
| |
| } else if (statcode < PJ_ERRNO_START_SYS + PJ_ERRNO_SPACE_SIZE) { |
| len = platform_strerror(PJ_STATUS_TO_OS(statcode), buf, bufsize); |
| |
| } else if (statcode < PJ_ERRNO_START_USER + PJ_ERRNO_SPACE_SIZE) { |
| len = pj_snprintf( buf, bufsize, "User error %d", statcode); |
| |
| } else { |
| len = pj_snprintf( buf, bufsize, "Invalid error %d", statcode); |
| |
| } |
| |
| if (len < 1) { |
| *buf = '\0'; |
| len = 0; |
| } |
| |
| errstr.ptr = buf; |
| errstr.slen = len; |
| |
| return errstr; |
| } |
| |