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authorGravatar Eric Andersen <andersen@codepoet.org>1999-10-05 16:24:54 +0000
committerGravatar Eric Andersen <andersen@codepoet.org>1999-10-05 16:24:54 +0000
commitcc8ed39b240180b58810784f844e253263594ac3 (patch)
tree15feebbb4be9a9168209609f48f0b100f9364420 /miscutils/makedevs.c
downloadbusybox-cc8ed39b240180b58810784f844e253263594ac3.tar.gz
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Initial revision0_29alpha2
Diffstat (limited to 'miscutils/makedevs.c')
-rw-r--r--miscutils/makedevs.c95
1 files changed, 95 insertions, 0 deletions
diff --git a/miscutils/makedevs.c b/miscutils/makedevs.c
new file mode 100644
index 000000000..691236e29
--- /dev/null
+++ b/miscutils/makedevs.c
@@ -0,0 +1,95 @@
+/*
+ * public domain -- Dave 'Kill a Cop' Cinege <dcinege@psychosis.com>
+ *
+ * makedevs
+ * Make ranges of device files quickly.
+ * known bugs: can't deal with alpha ranges
+ */
+
+#include "internal.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+const char makedevs_usage[] =
+"makedevs 0.01 -- Create an entire range of device files\n\n"
+"\tmakedevs /dev/ttyS c 4 64 0 63 (ttyS0-ttyS63)\n"
+"\tmakedevs /dev/hda b 3 0 0 8 s (hda,hda1-hda8)\n";
+
+int
+makedevs_main(struct FileInfo * i, int argc, char * * argv)
+{
+
+const char *basedev = argv[1];
+const char *type = argv[2];
+int major = atoi(argv[3]);
+int Sminor = atoi(argv[4]);
+int S = atoi(argv[5]);
+int E = atoi(argv[6]);
+int sbase = argc == 8 ? 1 : 0;
+
+mode_t mode = 0;
+dev_t dev = 0;
+char devname[255];
+char buf[255];
+
+ switch (type[0]) {
+ case 'c':
+ mode = S_IFCHR; break;
+ case 'b':
+ mode = S_IFBLK; break;
+ case 'f':
+ mode = S_IFIFO; break;
+ default:
+ usage(makedevs_usage);
+ return 2;
+ }
+ mode |= 0660;
+
+ while ( S <= E ) {
+
+ if (type[0] != 'f')
+ dev = (major << 8) | Sminor;
+ strcpy(devname, basedev);
+
+ if (sbase == 0) {
+ sprintf(buf, "%d", S);
+ strcat(devname, buf);
+ } else {
+ sbase = 0;
+ }
+
+ if (mknod (devname, mode, dev))
+ printf("Failed to create: %s\n", devname);
+
+ S++; Sminor++;
+ }
+
+return 0;
+}
+
+/*
+And this is what this program replaces. The shell is too slow!
+
+makedev () {
+local basedev=$1; local S=$2; local E=$3
+local major=$4; local Sminor=$5; local type=$6
+local sbase=$7
+
+ if [ ! "$sbase" = "" ]; then
+ mknod "$basedev" $type $major $Sminor
+ S=`expr $S + 1`
+ Sminor=`expr $Sminor + 1`
+ fi
+
+ while [ $S -le $E ]; do
+ mknod "$basedev$S" $type $major $Sminor
+ S=`expr $S + 1`
+ Sminor=`expr $Sminor + 1`
+ done
+}
+*/