libexplain  1.4.D001
libexplain/buffer/shmid_ds.c
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00001 /*
00002  * libexplain - a library of system-call-specific strerror replacements
00003  * Copyright (C) 2011, 2013 Peter Miller
00004  *
00005  * This program is free software; you can redistribute it and/or modify
00006  * it under the terms of the GNU Lesser General Public License as
00007  * published by the Free Software Foundation; either version 3 of the
00008  * License, or (at your option) any later version.
00009  *
00010  * This program is distributed in the hope that it will be useful,
00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013  * Lesser General Public License for more details.
00014  *
00015  * You should have received a copy of the GNU Lesser General Public License
00016  * along with this program. If not, see <http://www.gnu.org/licenses/>.
00017  */
00018 
00019 #include <libexplain/ac/sys/shm.h>
00020 
00021 #include <libexplain/buffer/int.h>
00022 #include <libexplain/buffer/ipc_perm.h>
00023 #include <libexplain/buffer/pid_t_star.h>
00024 #include <libexplain/buffer/pointer.h>
00025 #include <libexplain/buffer/shmid_ds.h>
00026 #include <libexplain/buffer/size_t.h>
00027 #include <libexplain/buffer/time_t.h>
00028 #include <libexplain/is_efault.h>
00029 
00030 
00031 void
00032 explain_buffer_shmid_ds(explain_string_buffer_t *sb,
00033     const struct shmid_ds *data, int extra)
00034 {
00035 #ifdef HAVE_SYS_SHM_H
00036     if (explain_is_efault_pointer(data, sizeof(*data)))
00037     {
00038         explain_buffer_pointer(sb, data);
00039         return;
00040     }
00041 
00042     explain_string_buffer_puts(sb, "{ shm_perm = ");
00043     explain_buffer_ipc_perm(sb, &data->shm_perm, extra);
00044     if (extra)
00045     {
00046         explain_string_buffer_puts(sb, ", shm_segsz = ");
00047         explain_buffer_size_t(sb, data->shm_segsz);
00048         if (data->shm_atime)
00049         {
00050             explain_string_buffer_puts(sb, ", shm_atime = ");
00051             explain_buffer_time_t(sb, data->shm_atime);
00052         }
00053         if (data->shm_dtime)
00054         {
00055             explain_string_buffer_puts(sb, ", shm_dtime = ");
00056             explain_buffer_time_t(sb, data->shm_dtime);
00057         }
00058         if (data->shm_ctime)
00059         {
00060             explain_string_buffer_puts(sb, ", shm_ctime = ");
00061             explain_buffer_time_t(sb, data->shm_ctime);
00062         }
00063         explain_string_buffer_puts(sb, ", shm_cpid = ");
00064         explain_buffer_pid_t(sb, data->shm_cpid);
00065         explain_string_buffer_puts(sb, ", shm_lpid = ");
00066         explain_buffer_pid_t(sb, data->shm_lpid);
00067         explain_string_buffer_puts(sb, ", shm_nattach = ");
00068         explain_buffer_int(sb, data->shm_nattch);
00069     }
00070     explain_string_buffer_puts(sb, " }");
00071 #else
00072     explain_buffer_pointer(sb, data);
00073 #endif
00074 }
00075 
00076 
00077 /* vim: set ts=8 sw=4 et : */