1d42665b6b
function old new delta getopt32 1370 1385 +15 sulogin_main 490 494 +4 realpath_main 84 86 +2 sleep_main 76 77 +1 mt_main 256 257 +1 printenv_main 75 74 -1 fdformat_main 546 545 -1 usleep_main 44 42 -2 setlogcons_main 77 75 -2 ed_main 2654 2649 -5 deallocvt_main 69 64 -5 addgroup_main 373 368 -5 mkfs_minix_main 2989 2982 -7 tail_main 1221 1213 -8 sv_main 1254 1241 -13 du_main 348 328 -20 tftp_main 325 302 -23 split_main 581 558 -23 nc_main 1000 977 -23 diff_main 891 868 -23 arping_main 1797 1770 -27 ls_main 893 847 -46 od_main 2797 2750 -47 readprofile_main 1944 1895 -49 tcpudpsvd_main 1973 1922 -51 udhcpc_main 2590 2513 -77 grep_main 824 722 -102 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 5/22 up/down: 23/-560) Total: -537 bytes text data bss dec hex filename 796973 658 7428 805059 c48c3 busybox_old 796479 662 7420 804561 c46d1 busybox_unstripped
78 lines
1.4 KiB
C
78 lines
1.4 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Mini swapon/swapoff implementation for busybox
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*
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* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
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*
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* Licensed under the GPL version 2, see the file LICENSE in this tarball.
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*/
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#include "libbb.h"
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#include <mntent.h>
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#include <sys/swap.h>
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static int swap_enable_disable(char *device)
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{
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int status;
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struct stat st;
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xstat(device, &st);
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#if ENABLE_DESKTOP
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/* test for holes */
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if (S_ISREG(st.st_mode))
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if (st.st_blocks * (off_t)512 < st.st_size)
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bb_error_msg("warning: swap file has holes");
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#endif
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if (applet_name[5] == 'n')
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status = swapon(device, 0);
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else
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status = swapoff(device);
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if (status != 0) {
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bb_simple_perror_msg(device);
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return 1;
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}
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return 0;
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}
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static int do_em_all(void)
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{
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struct mntent *m;
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FILE *f;
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int err;
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f = setmntent("/etc/fstab", "r");
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if (f == NULL)
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bb_perror_msg_and_die("/etc/fstab");
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err = 0;
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while ((m = getmntent(f)) != NULL)
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if (strcmp(m->mnt_type, MNTTYPE_SWAP) == 0)
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err += swap_enable_disable(m->mnt_fsname);
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endmntent(f);
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return err;
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}
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int swap_on_off_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int swap_on_off_main(int argc ATTRIBUTE_UNUSED, char **argv)
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{
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int ret;
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if (!argv[1])
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bb_show_usage();
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ret = getopt32(argv, "a");
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if (ret)
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return do_em_all();
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/* ret = 0; redundant */
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while (*++argv)
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ret += swap_enable_disable(*argv);
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return ret;
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}
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