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sortix--sortix/utils/command-not-found.c
Jonas 'Sortie' Termansen af40496ffb Convert utils to C.
2016-03-03 23:02:24 +01:00

114 lines
3.6 KiB
C

/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2013, 2015.
This program is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the Free
Software Foundation, either version 3 of the License, or (at your option)
any later version.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
command-not-found.c
Prints a notice that the attempted command wasn't found and possibly
suggests how to install the command or suggests the proper spelling in case
of a typo.
*******************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
void suggest_editor(const char* filename)
{
fprintf(stderr, "No command '%s' found, did you mean:\n", filename);
fprintf(stderr, " Command 'editor' from package 'utils'\n");
}
void suggest_pager(const char* filename)
{
fprintf(stderr, "No command '%s' found, did you mean:\n", filename);
fprintf(stderr, " Command 'pager' from package 'utils'\n");
}
void suggest_extfs(const char* filename)
{
fprintf(stderr, "No command '%s' found, did you mean:\n", filename);
fprintf(stderr, " Command 'extfs' from package 'ext'\n");
}
void suggest_unmount(const char* filename)
{
fprintf(stderr, "No command '%s' found, did you mean:\n", filename);
fprintf(stderr, " Command 'unmount' from package 'utils'\n");
}
void suggest_logout(const char* filename)
{
fprintf(stderr, "No command '%s' found, did you mean:\n", filename);
fprintf(stderr, " Exiting your shell normally to logout.\n");
}
void suggest_poweroff(const char* filename)
{
fprintf(stderr, "No command '%s' found, did you mean:\n", filename);
if ( getenv("LOGIN_PID") )
{
fprintf(stderr, " Exiting your shell normally to logout.\n");
fprintf(stderr, " Login as user 'poweroff' to power off computer.\n");
}
else
{
fprintf(stderr, " Exiting your shell normally to poweroff.\n");
}
}
void suggest_reboot(const char* filename)
{
fprintf(stderr, "No command '%s' found, did you mean:\n", filename);
if ( getenv("LOGIN_PID") )
{
fprintf(stderr, " Exiting your shell normally to logout.\n");
fprintf(stderr, " Login as user 'reboot' to reboot computer.\n");
}
else
{
fprintf(stderr, " Exiting your shell with 'exit 1' to reboot.\n");
}
}
int main(int argc, char* argv[])
{
const char* filename = 2 <= argc ? argv[1] : argv[0];
if ( !strcmp(filename, "ed") ||
!strcmp(filename, "emacs") ||
!strcmp(filename, "nano") ||
!strcmp(filename, "vi") ||
!strcmp(filename, "vim") )
suggest_editor(filename);
else if ( !strcmp(filename, "less") ||
!strcmp(filename, "more") )
suggest_pager(filename);
else if ( !strcmp(filename, "mount") )
suggest_extfs(filename);
else if ( !strcmp(filename, "umount") )
suggest_unmount(filename);
else if ( !strcmp(filename, "logout") ||
!strcmp(filename, "logoff") )
suggest_logout(filename);
else if ( !strcmp(filename, "poweroff") ||
!strcmp(filename, "halt") ||
!strcmp(filename, "shutdown") )
suggest_poweroff(filename);
else if ( !strcmp(filename, "reboot") )
suggest_reboot(filename);
fprintf(stderr, "%s: command not found\n", filename);
return 127;
}