libexplain  1.4.D001
libexplain/buffer/errno/remove.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 #include <libexplain/ac/sys/stat.h>
00021 
00022 #include <libexplain/buffer/errno/remove.h>
00023 #include <libexplain/buffer/errno/rmdir.h>
00024 #include <libexplain/buffer/errno/unlink.h>
00025 #include <libexplain/buffer/pointer.h>
00026 #include <libexplain/explanation.h>
00027 #include <libexplain/pathname_is_a_directory.h>
00028 
00029 
00030 static void
00031 explain_buffer_errno_remove_system_call(explain_string_buffer_t *sb,
00032     int errnum, const char *pathname)
00033 {
00034     explain_string_buffer_puts(sb, "remove(pathname = ");
00035     if (errnum == EFAULT)
00036         explain_buffer_pointer(sb, pathname);
00037     else
00038         explain_string_buffer_puts_quoted(sb, pathname);
00039     explain_string_buffer_putc(sb, ')');
00040 }
00041 
00042 
00043 static void
00044 explain_buffer_errno_remove_explanation(explain_string_buffer_t *sb,
00045     int errnum, const char *syscall_name, const char *pathname)
00046 {
00047     if (explain_pathname_is_a_directory(pathname))
00048     {
00049         explain_buffer_errno_rmdir_explanation
00050         (
00051             sb,
00052             errnum,
00053             syscall_name,
00054             pathname
00055         );
00056     }
00057     else
00058     {
00059         explain_buffer_errno_unlink_explanation
00060         (
00061             sb,
00062             errnum,
00063             syscall_name,
00064             pathname
00065         );
00066     }
00067 }
00068 
00069 
00070 void
00071 explain_buffer_errno_remove(explain_string_buffer_t *sb, int errnum,
00072     const char *pathname)
00073 {
00074     explain_explanation_t exp;
00075 
00076     explain_explanation_init(&exp, errnum);
00077     explain_buffer_errno_remove_system_call
00078     (
00079         &exp.system_call_sb,
00080         errnum,
00081         pathname
00082     );
00083     explain_buffer_errno_remove_explanation
00084     (
00085         &exp.explanation_sb,
00086         errnum,
00087         "remove",
00088         pathname
00089     );
00090     explain_explanation_assemble(&exp, sb);
00091 }
00092 
00093 
00094 /* vim: set ts=8 sw=4 et : */