Imported Upstream version 2.22upstream/2.22upstream

1 files changed, 48 insertions, 0 deletions

diff --git a/fdisks/partname.c b/fdisks/partname.c
new file mode 100644
index 0000000..1671e19
--- /dev/null
+++ b/fdisks/partname.c
@@ -0,0 +1,48 @@
+#include <ctype.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "blkdev.h"
+#include "pathnames.h"
+#include "common.h"
+#include "c.h"
+
+/*
+ * return partition name - uses static storage unless buf is supplied
+ */
+char *
+partname(char *dev, int pno, int lth) {
+	static char bufp[PATH_MAX];
+	char *p;
+	int w, wp;
+
+	w = strlen(dev);
+	p = "";
+
+	if (isdigit(dev[w-1]))
+		p = "p";
+
+	/* devfs kludge - note: fdisk partition names are not supposed
+	   to equal kernel names, so there is no reason to do this */
+	if (strcmp (dev + w - 4, "disc") == 0) {
+		w -= 4;
+		p = "part";
+	}
+
+	/* udev names partitions by appending -partN
+	   e.g. ata-SAMSUNG_SV8004H_0357J1FT712448-part1 */
+	if ((strncmp(dev, _PATH_DEV_BYID, strlen(_PATH_DEV_BYID)) == 0) ||
+	     strncmp(dev, _PATH_DEV_BYPATH, strlen(_PATH_DEV_BYPATH)) == 0) {
+	       p = "-part";
+	}
+
+	wp = strlen(p);
+
+	if (lth) {
+		snprintf(bufp, sizeof(bufp), "%*.*s%s%-2u",
+			 lth-wp-2, w, dev, p, pno);
+	} else {
+		snprintf(bufp, sizeof(bufp), "%.*s%s%-2u", w, dev, p, pno);
+	}
+	return bufp;
+}