libexplain  1.4.D001
libexplain/buffer/errno/getrlimit.c
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00001 /*
00002  * libexplain - Explain errno values returned by libc functions
00003  * Copyright (C) 2008, 2009, 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,
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/errno.h>
00020 
00021 #include <libexplain/buffer/efault.h>
00022 #include <libexplain/buffer/errno/generic.h>
00023 #include <libexplain/buffer/errno/getrlimit.h>
00024 #include <libexplain/buffer/pointer.h>
00025 #include <libexplain/buffer/resource.h>
00026 #include <libexplain/explanation.h>
00027 
00028 
00029 static void
00030 explain_buffer_errno_getrlimit_system_call(explain_string_buffer_t *sb,
00031     int errnum, int resource, struct rlimit *rlim)
00032 {
00033     (void)errnum;
00034     explain_string_buffer_puts(sb, "getrlimit(resource = ");
00035     explain_buffer_resource(sb, resource);
00036     explain_string_buffer_puts(sb, ", rlim = ");
00037     explain_buffer_pointer(sb, rlim);
00038     explain_string_buffer_putc(sb, ')');
00039 }
00040 
00041 
00042 static void
00043 explain_buffer_errno_getrlimit_explanation(explain_string_buffer_t *sb,
00044     int errnum, int resource, struct rlimit *rlim)
00045 {
00046     /*
00047      * http://www.opengroup.org/onlinepubs/009695399/functions/getrlimit.html
00048      */
00049     (void)resource;
00050     (void)rlim;
00051     switch (errnum)
00052     {
00053     case EFAULT:
00054         explain_buffer_efault(sb, "rlim");
00055         break;
00056 
00057     case EINVAL:
00058         /* FIXME: i18n */
00059         explain_string_buffer_puts(sb, "the resource specified is unknown");
00060         break;
00061 
00062     default:
00063         explain_buffer_errno_generic(sb, errnum, "getrlimit");
00064         break;
00065     }
00066 }
00067 
00068 
00069 void
00070 explain_buffer_errno_getrlimit(explain_string_buffer_t *sb, int errnum,
00071     int resource, struct rlimit *rlim)
00072 {
00073     explain_explanation_t exp;
00074 
00075     explain_explanation_init(&exp, errnum);
00076     explain_buffer_errno_getrlimit_system_call
00077     (
00078         &exp.system_call_sb,
00079         errnum,
00080         resource,
00081         rlim
00082     );
00083     explain_buffer_errno_getrlimit_explanation
00084     (
00085         &exp.explanation_sb,
00086         errnum,
00087         resource,
00088         rlim
00089     );
00090     explain_explanation_assemble(&exp, sb);
00091 }
00092 
00093 
00094 /* vim: set ts=8 sw=4 et : */