Initial revision

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
+}
+*/