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-rw-r--r--console-tools/dumpkmap.c21
1 files changed, 4 insertions, 17 deletions
diff --git a/console-tools/dumpkmap.c b/console-tools/dumpkmap.c
index d4e2cf281..b803e579a 100644
--- a/console-tools/dumpkmap.c
+++ b/console-tools/dumpkmap.c
@@ -15,7 +15,8 @@
15//config: This program dumps the kernel's keyboard translation table to 15//config: This program dumps the kernel's keyboard translation table to
16//config: stdout, in binary format. You can then use loadkmap to load it. 16//config: stdout, in binary format. You can then use loadkmap to load it.
17 17
18//applet:IF_DUMPKMAP(APPLET(dumpkmap, BB_DIR_BIN, BB_SUID_DROP)) 18//applet:IF_DUMPKMAP(APPLET_NOEXEC(dumpkmap, dumpkmap, BB_DIR_BIN, BB_SUID_DROP, dumpkmap))
19/* bb_common_bufsiz1 usage here is safe wrt NOEXEC: not expecting it to be zeroed. */
19 20
20//kbuild:lib-$(CONFIG_DUMPKMAP) += dumpkmap.o 21//kbuild:lib-$(CONFIG_DUMPKMAP) += dumpkmap.o
21 22
@@ -47,8 +48,6 @@ int dumpkmap_main(int argc UNUSED_PARAM, char **argv)
47{ 48{
48 struct kbentry ke; 49 struct kbentry ke;
49 int i, j, fd; 50 int i, j, fd;
50#define flags bb_common_bufsiz1
51 setup_common_bufsiz();
52 51
53 /* When user accidentally runs "dumpkmap FILE" 52 /* When user accidentally runs "dumpkmap FILE"
54 * instead of "dumpkmap >FILE", we'd dump binary stuff to tty. 53 * instead of "dumpkmap >FILE", we'd dump binary stuff to tty.
@@ -60,19 +59,8 @@ int dumpkmap_main(int argc UNUSED_PARAM, char **argv)
60 59
61 fd = get_console_fd_or_die(); 60 fd = get_console_fd_or_die();
62 61
63#if 0 62#define flags bb_common_bufsiz1
64 write(STDOUT_FILENO, "bkeymap", 7); 63 setup_common_bufsiz();
65 /* Here we want to set everything to 0 except for indexes:
66 * [0-2] [4-6] [8-10] [12]
67 */
68 /*memset(flags, 0x00, MAX_NR_KEYMAPS); - already is */
69 memset(flags, 0x01, 13);
70 flags[3] = flags[7] = flags[11] = 0;
71 /* dump flags */
72 write(STDOUT_FILENO, flags, MAX_NR_KEYMAPS);
73#define flags7 flags
74#else
75 /* Same effect */
76 /* 0 1 2 3 4 5 6 7 8 9 a b c=12 */ 64 /* 0 1 2 3 4 5 6 7 8 9 a b c=12 */
77 memcpy(flags, "bkeymap\1\1\1\0\1\1\1\0\1\1\1\0\1", 65 memcpy(flags, "bkeymap\1\1\1\0\1\1\1\0\1\1\1\0\1",
78 /* Can use sizeof, or sizeof-1. sizeof is even, using that */ 66 /* Can use sizeof, or sizeof-1. sizeof is even, using that */
@@ -80,7 +68,6 @@ int dumpkmap_main(int argc UNUSED_PARAM, char **argv)
80 ); 68 );
81 write(STDOUT_FILENO, flags, 7 + MAX_NR_KEYMAPS); 69 write(STDOUT_FILENO, flags, 7 + MAX_NR_KEYMAPS);
82#define flags7 (flags + 7) 70#define flags7 (flags + 7)
83#endif
84 71
85 for (i = 0; i < 13; i++) { 72 for (i = 0; i < 13; i++) {
86 if (flags7[i]) { 73 if (flags7[i]) {