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-rw-r--r--lib/libc/gen/devname.c29
1 files changed, 27 insertions, 2 deletions
diff --git a/lib/libc/gen/devname.c b/lib/libc/gen/devname.c
index 39178fe..898c8e8 100644
--- a/lib/libc/gen/devname.c
+++ b/lib/libc/gen/devname.c
@@ -44,9 +44,10 @@ static char sccsid[] = "@(#)devname.c 8.2 (Berkeley) 4/29/95";
#include <paths.h>
#include <stdio.h>
#include <string.h>
+#include <sys/stat.h>
-char *
-devname(dev, type)
+static char *
+xdevname(dev, type)
dev_t dev;
mode_t type;
{
@@ -78,3 +79,27 @@ devname(dev, type)
key.size = sizeof(bkey);
return ((db->get)(db, &key, &data, 0) ? NULL : (char *)data.data);
}
+
+char *
+devname(dev, type)
+ dev_t dev;
+ mode_t type;
+{
+ static char buf[20];
+ char *r;
+
+ r = xdevname(dev, type);
+ if (!r) {
+ r = buf;
+ if (minor(dev) > 255) {
+ sprintf(buf, "#%c%d:0x%x",
+ (type & S_IFMT) == S_IFCHR ? 'C' : 'B',
+ major(dev), minor(dev));
+ } else {
+ sprintf(buf, "#%c%d:%d",
+ (type & S_IFMT) == S_IFCHR ? 'C' : 'B',
+ major(dev), minor(dev));
+ }
+ }
+ return (r);
+}
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