1 /* 2 * Copyright (C) 2006 Tresys Technology, LLC 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Lesser General Public 6 * License as published by the Free Software Foundation; either 7 * version 2.1 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Lesser General Public License for more details. 13 * 14 * You should have received a copy of the GNU Lesser General Public 15 * License along with this library; if not, write to the Free Software 16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 17 */ 18 19 #ifndef _SEPOL_INTERNAL_DEBUG_H_ 20 #define _SEPOL_INTERNAL_DEBUG_H_ 21 22 #include <stdio.h> 23 #include <sepol/debug.h> 24 #include "dso.h" 25 #include "handle.h" 26 27 #define STATUS_SUCCESS 0 28 #define STATUS_ERR -1 29 #define STATUS_NODATA 1 30 31 /* FIXME: this needs to become a real function. Declaring variables 32 * in a macro is _evil_ as it can shadow other variables in local scope. 33 * The variable h has been renamed to _sepol_h to reduce this chance, but 34 * it is still wrong. 35 */ 36 #define msg_write(handle_arg, level_arg, \ 37 channel_arg, func_arg, ...) do { \ 38 sepol_handle_t *_sepol_h = (handle_arg) ?: &sepol_compat_handle; \ 39 if (_sepol_h->msg_callback) { \ 40 _sepol_h->msg_fname = func_arg; \ 41 _sepol_h->msg_channel = channel_arg; \ 42 _sepol_h->msg_level = level_arg; \ 43 \ 44 _sepol_h->msg_callback( \ 45 _sepol_h->msg_callback_arg, \ 46 _sepol_h, __VA_ARGS__); \ 47 } \ 48 } while(0) 49 50 #define ERR(handle, ...) \ 51 msg_write(handle, SEPOL_MSG_ERR, "libsepol", \ 52 __FUNCTION__, __VA_ARGS__) 53 54 #define INFO(handle, ...) \ 55 msg_write(handle, SEPOL_MSG_INFO, "libsepol", \ 56 __FUNCTION__, __VA_ARGS__) 57 58 #define WARN(handle, ...) \ 59 msg_write(handle, SEPOL_MSG_WARN, "libsepol", \ 60 __FUNCTION__, __VA_ARGS__) 61 62 #ifdef __GNUC__ 63 __attribute__ ((format(printf, 3, 4))) 64 #endif 65 extern void hidden sepol_msg_default_handler(void *varg, 66 sepol_handle_t * msg, 67 const char *fmt, ...); 68 69 extern struct sepol_handle sepol_compat_handle; 70 71 hidden_proto(sepol_msg_get_channel) 72 hidden_proto(sepol_msg_get_fname) 73 hidden_proto(sepol_msg_get_level) 74 #endif 75