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	rmmod.c - ubase - suckless linux base utils
	git clone git://git.suckless.org/ubase
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	---
	rmmod.c (754B)
	---
	1 /* See LICENSE file for copyright and license details. */
	2 #include <sys/syscall.h>
	3
	4 #include <fcntl.h>
	5 #include <libgen.h>
	6 #include <stdio.h>
	7 #include <stdlib.h>
	8 #include <string.h>
	9 #include <unistd.h>
	10
	11 #include "util.h"
	12
	13 static void
	14 usage(void)
	15 {
	16 eprintf("usage: %s [-fw] module...\n", argv0);
	17 }
	18
	19 int
	20 main(int argc, char *argv[])
	21 {
	22 char mod, p;
	23 int i;
	24 int flags = O_NONBLOCK;
	25
	26 ARGBEGIN {
	27 case 'f':
	28 flags \|= O_TRUNC;
	29 break;
	30 case 'w':
	31 flags &= ~O_NONBLOCK;
	32 break;
	33 default:
	34 usage();
	35 } ARGEND;
	36
	37 if (argc < 1)
	38 usage();
	39
	40 for (i = 0; i < argc; i++) {
	41 mod = argv[i];
	42 p = strrchr(mod, '.');
	43 if (p && !strcmp(p, ".ko"))
	44 *p = '\0';
	45 if (syscall(__NR_delete_module, mod, flags) < 0)
	46 eprintf("delete_module:");
	47 }
	48
	49 return 0;
	50 }