mirror of
https://gitlab.com/sortix/sortix.git
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92 lines
2.1 KiB
C
92 lines
2.1 KiB
C
/*
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* Copyright (c) 2014 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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* unmount.c
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* Unmount a filesystem.
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*/
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#include <sys/mount.h>
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#include <err.h>
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#include <locale.h>
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#include <stdbool.h>
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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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static void compact_arguments(int* argc, char*** argv)
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{
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for ( int i = 0; i < *argc; i++ )
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{
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while ( i < *argc && !(*argv)[i] )
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{
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for ( int n = i; n < *argc; n++ )
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(*argv)[n] = (*argv)[n+1];
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(*argc)--;
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}
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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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setlocale(LC_ALL, "");
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bool force = false;
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bool lazy = false;
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for ( int i = 1; i < argc; i++ )
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{
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const char* arg = argv[i];
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if ( arg[0] != '-' || !arg[1] )
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continue;
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argv[i] = NULL;
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if ( !strcmp(arg, "--") )
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break;
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if ( arg[1] != '-' )
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{
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char c;
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while ( (c = *++arg) ) switch ( c )
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{
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case 'f': force = true; break;
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case 'l': lazy = true; break;
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default:
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errx(1, "unknown option -- '%c'", c);
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}
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}
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else if ( !strcmp(arg, "--force") )
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force = true;
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else if ( !strcmp(arg, "--lazy") )
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lazy = true;
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else
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errx(1, "unknown option: %s", arg);
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}
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compact_arguments(&argc, &argv);
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int flags = 0;
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if ( flags & force )
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flags |= UNMOUNT_FORCE;
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if ( flags & lazy )
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flags |= UNMOUNT_DETACH;
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for ( int i = 1; i < argc; i++ )
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{
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const char* path = argv[i];
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if ( unmount(path, flags) < 0 )
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err(1, "%s", path);
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}
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return 0;
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}
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