Diff of /trunk/mkinitrd-magellan/busybox/util-linux/swaponoff.c

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	revision 815 by niro, Sat Sep 1 22:45:15 2007 UTC	revision 816 by niro, Fri Apr 24 18:33:46 2009 UTC
#	Line 7	Line 7
7	* Licensed under the GPL version 2, see the file LICENSE in this tarball.	* Licensed under the GPL version 2, see the file LICENSE in this tarball.
8	*/	*/
9
10	#include "busybox.h"	#include "libbb.h"
11	#include <mntent.h>	#include <mntent.h>
12	#include <sys/swap.h>	#include <sys/swap.h>
13
14		#if ENABLE_FEATURE_SWAPON_PRI
15		struct globals {
16		int flags;
17		};
18		#define G (*(struct globals*)&bb_common_bufsiz1)
19		#define g_flags (G.flags)
20		#else
21		#define g_flags 0
22		#endif
23
24	static int swap_enable_disable(char *device)	static int swap_enable_disable(char *device)
25	{	{
#	Line 19  static int swap_enable_disable(char *dev	Line 28  static int swap_enable_disable(char *dev
28
29	xstat(device, &st);	xstat(device, &st);
30
31		#if ENABLE_DESKTOP
32	/* test for holes */	/* test for holes */
33	if (S_ISREG(st.st_mode))	if (S_ISREG(st.st_mode))
34	if (st.st_blocks * 512 < st.st_size)	if (st.st_blocks * (off_t)512 < st.st_size)
35	bb_error_msg_and_die("swap file has holes");	bb_error_msg("warning: swap file has holes");
36		#endif
37
38	if (applet_name[5] == 'n')	if (applet_name[5] == 'n')
39	status = swapon(device, 0);	status = swapon(device, g_flags);
40	else	else
41	status = swapoff(device);	status = swapoff(device);
42
43	if (status != 0) {	if (status != 0) {
44	bb_perror_msg("%s", device);	bb_simple_perror_msg(device);
45	return 1;	return 1;
46	}	}
47
#	Line 57  static int do_em_all(void)	Line 68  static int do_em_all(void)
68	return err;	return err;
69	}	}
70
71	#define DO_ALL    0x01	int swap_on_off_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
72		int swap_on_off_main(int argc UNUSED_PARAM, char **argv)
	int swap_on_off_main(int argc, char **argv)
73	{	{
74	int ret;	int ret;
75
76	if (argc == 1)	#if !ENABLE_FEATURE_SWAPON_PRI
77	bb_show_usage();	ret = getopt32(argv, "a");
78		#else
79		opt_complementary = "p+";
80		ret = getopt32(argv, (applet_name[5] == 'n') ? "ap:" : "a", &g_flags);
81
82		if (ret & 2) { // -p
83		g_flags = SWAP_FLAG_PREFER |
84		((g_flags & SWAP_FLAG_PRIO_MASK) << SWAP_FLAG_PRIO_SHIFT);
85		ret &= 1;
86		}
87		#endif
88
89	ret = getopt32(argc, argv, "a");	if (ret /* & 1: not needed */) // -a
	if (ret & DO_ALL)
90	return do_em_all();	return do_em_all();
91
92	ret = 0;	argv += optind;
93	while (*++argv)	if (!*argv)
94		bb_show_usage();
95
96		/* ret = 0; redundant */
97		do {
98	ret += swap_enable_disable(*argv);	ret += swap_enable_disable(*argv);
99		} while (*++argv);
100
101	return ret;	return ret;
102	}	}

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Legend: Removed from v.815   changed lines   Added in v.816