libexplain  1.4.D001
libexplain/buffer/errno/socketpair.c
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00001 /*
00002  * libexplain - Explain errno values returned by libc functions
00003  * Copyright (C) 2010, 2013 Peter Miller
00004  *
00005  * This program is free software; you can redistribute it and/or modify it
00006  * under the terms of the GNU Lesser General Public License as published by
00007  * the Free Software Foundation; either version 3 of the License, or (at
00008  * your option) any later version.
00009  *
00010  * This program is distributed in the hope that it will be useful, but
00011  * WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
00013  * 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/errno.h>
00020 
00021 #include <libexplain/buffer/address_family.h>
00022 #include <libexplain/buffer/efault.h>
00023 #include <libexplain/buffer/errno/socket.h>
00024 #include <libexplain/buffer/errno/socketpair.h>
00025 #include <libexplain/buffer/pointer.h>
00026 #include <libexplain/buffer/socket_protocol.h>
00027 #include <libexplain/buffer/socket_type.h>
00028 #include <libexplain/explanation.h>
00029 
00030 
00031 static void
00032 explain_buffer_errno_socketpair_system_call(explain_string_buffer_t *sb, int
00033     errnum, int domain, int type, int protocol, int *sv)
00034 {
00035     (void)errnum;
00036     explain_string_buffer_puts(sb, "socketpair(domain = ");
00037     explain_buffer_address_family(sb, domain);
00038     explain_string_buffer_puts(sb, ", type = ");
00039     explain_buffer_socket_type(sb, type);
00040     explain_string_buffer_puts(sb, ", protocol = ");
00041     explain_buffer_socket_protocol(sb, protocol);
00042     explain_string_buffer_puts(sb, ", sv = ");
00043     explain_buffer_pointer(sb, sv);
00044     explain_string_buffer_putc(sb, ')');
00045 }
00046 
00047 
00048 void
00049 explain_buffer_errno_socketpair_explanation(explain_string_buffer_t *sb,
00050     int errnum, const char *syscall_name, int domain, int type, int protocol,
00051     int *sv)
00052 {
00053     /*
00054      * http://www.opengroup.org/onlinepubs/009695399/functions/socketpair.html
00055      */
00056     (void)sv;
00057     switch (errnum)
00058     {
00059     case EFAULT:
00060         explain_buffer_efault(sb, "sv");
00061         break;
00062 
00063     default:
00064         explain_buffer_errno_socket_explanation
00065         (
00066             sb,
00067             errnum,
00068             syscall_name,
00069             domain,
00070             type,
00071             protocol
00072         );
00073         break;
00074     }
00075 }
00076 
00077 
00078 void
00079 explain_buffer_errno_socketpair(explain_string_buffer_t *sb, int errnum, int
00080     domain, int type, int protocol, int *sv)
00081 {
00082     explain_explanation_t exp;
00083 
00084     explain_explanation_init(&exp, errnum);
00085     explain_buffer_errno_socketpair_system_call
00086     (
00087         &exp.system_call_sb,
00088         errnum,
00089         domain,
00090         type,
00091         protocol,
00092         sv
00093     );
00094     explain_buffer_errno_socketpair_explanation
00095     (
00096         &exp.explanation_sb,
00097         errnum,
00098         "socketpair",
00099         domain,
00100         type,
00101         protocol,
00102         sv
00103     );
00104     explain_explanation_assemble(&exp, sb);
00105 }
00106 
00107 
00108 /* vim: set ts=8 sw=4 et : */