mirror of
https://gitlab.com/sortix/sortix.git
synced 2023-02-13 20:55:38 -05:00
114 lines
3.6 KiB
C
114 lines
3.6 KiB
C
/*
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* Copyright (c) 2013, 2015, 2016 Jonas 'Sortie' Termansen.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* command-not-found.c
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* Prints a notice that the attempted command wasn't found and possibly
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* suggests how to install the command or suggests the proper spelling in case
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* of a typo.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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void suggest_editor(const char* filename)
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{
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fprintf(stderr, "No command '%s' found, did you mean:\n", filename);
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fprintf(stderr, " Command 'editor' from package 'editor'\n");
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if ( access("/bin/vim", X_OK) == 0 )
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fprintf(stderr, " Command 'vim' from package 'vim'\n");
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}
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void suggest_pager(const char* filename)
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{
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fprintf(stderr, "No command '%s' found, did you mean:\n", filename);
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fprintf(stderr, " Command 'pager' from package 'utils'\n");
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}
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void suggest_extfs(const char* filename)
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{
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fprintf(stderr, "No command '%s' found, did you mean:\n", filename);
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fprintf(stderr, " Command 'extfs' from package 'ext'\n");
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}
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void suggest_unmount(const char* filename)
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{
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fprintf(stderr, "No command '%s' found, did you mean:\n", filename);
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fprintf(stderr, " Command 'unmount' from package 'utils'\n");
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}
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void suggest_logout(const char* filename)
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{
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fprintf(stderr, "No command '%s' found, did you mean:\n", filename);
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fprintf(stderr, " Exiting your shell normally to logout.\n");
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}
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void suggest_poweroff(const char* filename)
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{
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fprintf(stderr, "No command '%s' found, did you mean:\n", filename);
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if ( getenv("LOGIN_PID") )
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{
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fprintf(stderr, " Exiting your shell normally to logout.\n");
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fprintf(stderr, " Login as user 'poweroff' to power off computer.\n");
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}
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else
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{
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fprintf(stderr, " Exiting your shell normally to poweroff.\n");
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}
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}
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void suggest_reboot(const char* filename)
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{
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fprintf(stderr, "No command '%s' found, did you mean:\n", filename);
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if ( getenv("LOGIN_PID") )
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{
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fprintf(stderr, " Exiting your shell normally to logout.\n");
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fprintf(stderr, " Login as user 'reboot' to reboot computer.\n");
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}
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else
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{
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fprintf(stderr, " Exiting your shell with 'exit 1' to reboot.\n");
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}
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}
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int main(int argc, char* argv[])
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{
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const char* filename = 2 <= argc ? argv[1] : argv[0];
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if ( !strcmp(filename, "ed") ||
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!strcmp(filename, "emacs") ||
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!strcmp(filename, "nano") ||
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!strcmp(filename, "vi") ||
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!strcmp(filename, "vim") )
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suggest_editor(filename);
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else if ( !strcmp(filename, "less") ||
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!strcmp(filename, "more") )
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suggest_pager(filename);
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else if ( !strcmp(filename, "mount") )
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suggest_extfs(filename);
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else if ( !strcmp(filename, "umount") )
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suggest_unmount(filename);
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else if ( !strcmp(filename, "logout") ||
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!strcmp(filename, "logoff") )
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suggest_logout(filename);
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else if ( !strcmp(filename, "poweroff") ||
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!strcmp(filename, "halt") ||
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!strcmp(filename, "shutdown") )
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suggest_poweroff(filename);
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else if ( !strcmp(filename, "reboot") )
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suggest_reboot(filename);
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fprintf(stderr, "%s: command not found\n", filename);
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return 127;
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}
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