aboutsummaryrefslogtreecommitdiff
path: root/makedevs.c
diff options
context:
space:
mode:
authorErik Andersen <andersen@codepoet.org>2000-04-15 16:34:54 +0000
committerErik Andersen <andersen@codepoet.org>2000-04-15 16:34:54 +0000
commit5e1189e187f6a7957dadb8eda2c271c4a0777a23 (patch)
tree140cd30d77342c730afbc1df863bec93c63978a8 /makedevs.c
parent95c1c1e05f290ccbcc2ff863a62bcee5d57bf5c8 (diff)
downloadbusybox-w32-5e1189e187f6a7957dadb8eda2c271c4a0777a23.tar.gz
busybox-w32-5e1189e187f6a7957dadb8eda2c271c4a0777a23.tar.bz2
busybox-w32-5e1189e187f6a7957dadb8eda2c271c4a0777a23.zip
More documentation updates, and minor fixes to make things sync
up with the docs. -Erik
Diffstat (limited to 'makedevs.c')
-rw-r--r--makedevs.c19
1 files changed, 15 insertions, 4 deletions
diff --git a/makedevs.c b/makedevs.c
index 5948bacc8..c8206e020 100644
--- a/makedevs.c
+++ b/makedevs.c
@@ -17,10 +17,18 @@
17#include <sys/stat.h> 17#include <sys/stat.h>
18 18
19static const char makedevs_usage[] = 19static const char makedevs_usage[] =
20 "makedevs 0.01 -- Create an entire range of device files\n\n" 20 "makedevs NAME TYPE MAJOR MINOR FIRST LAST [s]\n\n"
21 "\tmakedevs /dev/ttyS c 4 64 0 63 (ttyS0-ttyS63)\n" 21 "Creates a range of block or character special files\n\n"
22 22 "TYPEs include:\n"
23 "\tmakedevs /dev/hda b 3 0 0 8 s (hda,hda1-hda8)\n"; 23 "\tb:\tMake a block (buffered) device.\n"
24 "\tc or u:\tMake a character (un-buffered) device.\n"
25 "\tp:\tMake a named pipe. MAJOR and MINOR are ignored for named pipes.\n\n"
26 "FIRST specifies the number appended to NAME to create the first device.\n"
27 "LAST specifies the number of the last item that should be created.\n"
28 "If 's' is the last argument, the base device is created as well.\n\n"
29 "For example:\n"
30 "\tmakedevs /dev/ttyS c 4 66 2 63 -> ttyS2-ttyS63\n"
31 "\tmakedevs /dev/hda b 3 0 0 8 s -> hda,hda1-hda8\n";
24 32
25int makedevs_main(int argc, char **argv) 33int makedevs_main(int argc, char **argv)
26{ 34{
@@ -38,6 +46,9 @@ int makedevs_main(int argc, char **argv)
38 char devname[255]; 46 char devname[255];
39 char buf[255]; 47 char buf[255];
40 48
49 if (argc < 7 || *argv[1]=='-')
50 usage(makedevs_usage);
51
41 switch (type[0]) { 52 switch (type[0]) {
42 case 'c': 53 case 'c':
43 mode = S_IFCHR; 54 mode = S_IFCHR;